18:00 w parafii pw. Calculate H and S for the reaction. PDF Chapter 14 Chemical Equilibrium: Equal but Opposite Reaction Rates equilibrium. What are the conditions for chemical equilibrium? E. The amount of reactants is highest at equilibrium. the reaction quotient is affected by factors just the same way it affects the rate of reaction. The value of this constant can tell you which side (reactant or product) is favored. By calculating Q (products/reactants), you can compare it to the K value (products/reactants AT EQUILIBRIUM) to see if the reaction is at equilibrium or not. If you have information about one or more reactants, select Reactant Amount Given; Otherwise, select Product Amount Given. When describing/comparing K as it's own value (K < 10 -3 or K > 10 3 ), saying products/reactants are favored means that's where the equilibrium is more likely to exist - if K < 10 -3, then there are more REACTANTS at equilibrium, which means that reactants are favored at equilibrium Solved: Exercise 6.16Product or Reactant-Favored?Calculate for e If the value of \(K\) is greater than 1, the products in the reaction are favored. These cookies will be stored in your browser only with your consent. An equilibrium constant value is independent of the analytical concentrations of the reactant and product species in a mixture, but depends on temperature and on ionic strength. This equation only shows components in the gaseous or aqueous states. The reaction quotient (\(Q\)) measures the relative amounts of products and reactants present during a reaction at a particular point in time. Not completely on product or reactant side - have some of each "product favored" - mostly product "reactant favored" - mostly reactant 2. \[K = \dfrac{\left[ \ce{H_2} \right] \left[ \ce{CO_2} \right]}{\left[ \ce{CO} \right] \left[ \ce{H_2O} \right]} \nonumber \], \[1.34 = \dfrac{\left( 0.100 \right) \left( 0.100 \right)}{\left[ \ce{CO} \right] \left( 0.100 \right)} \nonumber \], Solving for \(\left[ \ce{CO} \right]\), we get: \(\left[ \ce{CO} \right] = 0.0746 \: \text{M}\). , the equilibrium condition is satisfied. Sometimes, subscripts are added to the equilibrium constant symbol \(K\), such as \(K_\text{eq}\), \(K_\text{c}\), \(K_\text{p}\), \(K_\text{a}\), \(K_\text{b}\), and \(K_\text{sp}\). Andrzeja Boboli we Wrocawiu. Step 4: Compare \(Q\) to K. Because \(K=0.04\) and \(Q=0\), \(K > Q\) and the reaction will shift right to regain equilibrium. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. and isn't hydrofluoric acid a pure liquid coz i remember Sal using it in the video of Heterogenous equilibrium so why did he use it? The reaction has a negative value for rH, and it is also product-favored at. Reaction score. Question: 8. e. Write the equilibrium constant expression that corresponds to the chemical equation. Any "stress" that alters one of these rates makes the system "shift" . 15 Which change will Favour the reverse reaction in the equilibrium? To determine \(Q\), the concentrations of the reactants and products must be known. After finding x, you multiply 0.05 to the 2.0 from 2.0-x and compare that value with what you found for x. So, in other words, the sum of all forces acting on it must be zero for a body to be in equilibrium. Which change will Favour the reverse reaction in the equilibrium? Using values of H f and S, calculate G rxn for the following reaction. And if there are more reactants than products then the reaction favors the reactants. Reactant-favored and Product-favored reactions. Calculate G (DELTA G) Demonstrated Example 5. John Sidoti Icac Outcome, 16 Which of the following must be true at equilibrium? Direct link to Eugene Choi's post This is a little off-topi, Posted 7 years ago. The reactant has a coefficient of three (3) multiplied by a subscript of four (4), giving 12 oxygen atoms. May 22, 2018. Only the concentration of the reactants is constant. This cookie is set by GDPR Cookie Consent plugin. The first, titled Arturo Xuncax, is set in an Indian village in Guatemala. K = Kf / Kr. This cookie is set by GDPR Cookie Consent plugin. While gas changes concentration after the reaction, solids and liquids do not (the way they are consumed only affects amount of molecules in the substance). Thus, the reaction has to convert some of the reactants into products to come to equilibrium. Answer of problem . b. I tried googling on how it is done and the only thing that comes up is solving for the value of K. There is nothing else given except the chemical reaction itself. PDF Equilibria, G, H and S H and - Texas Tech University 11 junio, 2022. Because the reaction tends toward reach equilibrium, the system shifts to the. A] A state in which the concentrations of the reactants and products are always equal.What happens when a chemical reaction reaches equilibrium?When chemical equilibrium is established, the concentrations of reactants and products do not change. These cookies ensure basic functionalities and security features of the website, anonymously. However, no concentration value was given for NH3 so the concentration is assumed to be 0. 4 marca, Wielki post to czas prezentw. Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. 9.00-15.00 tel. But opting out of some of these cookies may affect your browsing experience. Does equilibrium favor reactants or products? What is the \(Q\) value for this equation? Figure 5.14 The productfavored oxidation of iron. Which statement is true about a chemical reaction at equilibrium? \[\ce{CO(g) + H_2O(g) \rightleftharpoons CO_2(g) + H_2(g)} \nonumber\], \[Q_c = \dfrac{[CO_2][H_2]}{[CO][H_2O]} \nonumber\]. It does not store any personal data. Figure 5.14 The productfavored oxidation of iron. And if there are more reactants than products then the reaction favors the reactants.Why are products favored at equilibrium?Why are the products favored?When the amount of product in the reaction is greater than the amount of reactant, the reaction is product favoured while reactant favoured reactionWhat does it mean for a reaction to favor the products?To favor either the reactants or the products in equilibrium is to say the formation of either the reactants or products is favored, as indicated by the rate constants. 23 Why does equilibrium shift to weaker acid? Chemical equilibrium, a condition in the course of a reversible chemical reaction in which no net change in the amounts of reactants and products occurs. Concentrations of products are multiplied on the top of the expression. Zabrodzkiej 7B we Wrocawiu od pon. Where possible, classify these systems as reactant-favored or product-favored at 298 K. If the direction cannot be determined from the information given, classify the reaction as "Insufficient information." Find \(Q\) and determine which direction the reaction will shift to reach equilibrium. The cookie is used to store the user consent for the cookies in the category "Other. \[\ce{H_2O} \left( l \right) \rightleftharpoons \ce{H^+} \left( aq \right) + \ce{OH^-} \left( aq \right) \nonumber \], \[K = \left[ \ce{H^+} \right] \left[ \ce{OH^-} \right] \nonumber \]. youth topics for discussion pdf 29 Oct. product or reactant favored calculatorwtol sports reporters. The balanced equation is as follows: {eq}Fe_2O_3 + 3CO -> 2Fe + 3CO_2 {/eq} Step 2: Calculate the amounts of reactant from the amounts of product present using stoichiometry after the equation is . If the value of K is greater than 1, the products in the reaction are favored. find our the area under peak of . That leaves just 1 on top in the numerator. There is no tendency to form more reactants or more products at this point. Very little \(\ce{NO}\) is produced by this reaction; \(\ce{N2}\) and \(\ce{O2}\) do not react readily to produce \(\ce{NO}\) (this is lucky for usotherwise we would have little oxygen to breath in our atmosphere!). 1) Input a reaction equation to the box. Use equilibrium constant expressions to solve for unknown concentrations. rG=0. Q c is larger than K c. The system contains too much product and not enough reactant to be at equilibrium. Therefore the reverse reaction rate will decrease sharply, and then gradually increase until equilibrium is re-established. What is equilibrium position in chemistry? The cookie is used to store the user consent for the cookies in the category "Performance". Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. This cookie is set by GDPR Cookie Consent plugin. \[\ce{HCl(g) + NaOH(aq) \rightleftharpoons NaCl(aq) + H_2O(l)} \nonumber\]. You need to ask yourself questions and then do problems to answer those questions. A. Reactant-favored B. Product-favored C. Insufficient information 1. \[\ce{N_2(g) + 3H_2(aq) \rightleftharpoons 2NH_3(g)} \nonumber \], \[Q_c = \dfrac{[NH_3{(g)}]^2}{[N_2{(g)}][H_2{(g)}]^3}\nonumber \]. The reaction quotient aids in figuring out which direction a reaction is likely to proceed, given either the pressures or the concentrations of the reactants and the products. The value of Q c must become smaller before the reaction can . IZOLIACIJA PAROC" akmens vatos izoliacija Rockwool" akmens vatos izoliacija NMC" sintetins gumos izoliacija NMC" psto polietileno izoliacija Since the forward and reverse rates are equal, the concentrations of the reactants and products are constant at equilibrium. Not completel)h on product or reactant side have some of each "product favored" mostly product "reactant favored" mostly reactant "Dynamic Equilibrium" forward rate = reverse rate reactions happen, but cancel each other out, so that no overall change o "steady state" Previous Examples 1. product or reactant favored calculator - vmconsultoresrh.com a. Examples: From the equilibrium constant K tell whether the reactants or products are favored. The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. Posted 7 years ago. The equilibrium lies to the left, favoring the reactants. Conversely, a positive value of D G implies that a reaction is reactant-favored, i.e., after the reaction is completed there are more reactants than products.. If Q=K, the reaction is at equilibrium. A] A state in which the concentrations of the reactants and products are always equal. This equilibrium constant is referred to as the ion-product constant for water, Kw. By clicking Accept, you consent to the use of ALL the cookies. If the sum of coefficients of reactants is not equal to that of products, diluting the system will disturb an equilibrium, so reactant: product ratios will depend on the dilution of the system. Cause I'm not sure when I can actually use it. Legal. If the value of K is less than 1, the reactants in the reaction are favored.What side does equilibrium favor?Remember, it is favorable for a system to go from high energy to low energy. folder_openmexicali east border crossing. Will the following reaction be product favored? It is also independent of concentrations, pressures and volumes of reactants and products.Which change will Favour the reverse reaction in the equilibrium?A decrease in temperature will cause the equilibrium to shift to favour the exothermic reaction. 14 What factor does equilibrium constant depend on? 9 What is equilibrium position in chemistry? Standard reduction potentials can be used to explain an annoying experience many of us have had a pain in a tooth when a filling is touched with a stainless-steel fork . PDF Ch 14 Handouts (all) To simplify things a bit, the line can be roughly divided into three regions. d. Once started, a reactant-favored process will continue on its own. 4) Click the 'Calculate' button. If K > Q, a reaction will proceed forward, converting reactants into products. Competitive Baseball Leagues Near Me, 5 Why are the products favored? C. The reaction uses all its reactants to form products. If the Gr0 of a reaction is __________, the reaction is at equilibrium and does not favor product or reactant. , Does Wittenberg have a strong Pre-Health professions program? Calculate the value of equilibrium constant for this reaction at 25 oC. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. If the equilibrium constant is small, like 0.10, or very small, like \(1 \times 10^{-12}\), it indicates that the reactants are much larger than the products and the reactants are strongly favored. (b) Calculate the value for ? At equilibrium the rates of the forward and reverse reactions are equal. With our tool, you need to enter the respective value for Initial Concentration of Reactant A, Reaction Rate Constant 1 & Time and hit the . For hydrofluoric acid, it is an aqueous solution, not a liquid, therefore it is dissolved in water (concentration can change - moles per unit volume of water). in the above example how do we calculate the value of K or Q ? Difference Between Reactant and . very weak acids will be reactant favored bases will be reactantfavored-weak.- --weak stronger than #3 butstill weak strongerthan#4 but still weak where possible classify these systems as reactant favored or product favored at 298K. The equilibrium partial pressure of each reactant will be . But that's not all there is to it. Can be used to predict if a reaction is product-or reactant-favored The value varies with only with temperature It is constant at a given temperature It is independent of the initial concentration The larger the value of K c (K c > 1) the more product-favored is the reaction The smaller the value of K c (K c << 1) indicates Tutoring and Contact Info. In chemical equilibrium, the rate of the forward reaction is equal to the rate of the backward reaction. If \(Q=K\), then the reaction is already at equilibrium. When you plug in your x's and stuff like that in your K equation, you might notice a concentration with (2.0-x) or whatever value instead of 2.0. A strong acid or a base means that they have a lot of energy and are very reactive while weaker acids and bases have lower energy. Direct link to Vedant Walia's post why shouldn't K or Q cont, Posted 7 years ago. Author: . For very small values of, If we draw out the number line with our values of. 2 H2S (g) + 3 O2 (g) 2 H2O () + 2 SO2 (g) Gf. 24 Why do weak acids have equilibrium? An input table will be created. The following gas phase system is at equilibrium: CCl4(g) + CH4(g) 2 CH2Cl2(g)The pressure of each gas is measured at 579 K:P(CCl4) = 156 mmHgP(CH4) = 4.83 . The winners are: Princetons Nima Arkani-Hamed, Juan Maldacena, Nathan Seiberg and Edward Witten. When a reaction reaches equilibrium, then there is no net change in concentration and the reactants and products are forming at the same rate. Dividing by 1 does not change the value of K. The equilibrium constant value is the ratio of the concentrations of the products over the reactants. This equilibrium constant is referred to as the ion-product constant for water, Kw. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. Here's what's meant by that. product or reactant favored calculator - reallyopen.com Reaction Stoichiometry Calculator - Thermobook.net product or reactant favored calculator 2 Pb(s) + O 2(g) 2 . Consider the reaction2H2O(g) + 2Cl2(g) ---> 4HCl(g) + O2(g)for which H = 114.4 kJ and S = 128.9 J/K at 298.15 K.(1) Calculate the entropy change of the UNIVERSE when 1.743 moles of H2O(g) react under standard conditions at 298.15 K.Suniverse = J/K(2) Is this reaction reactant or product favored under standard conditions?_____reactantproduct(3) If the reaction is product favored, is it . Calculate the equilibrium concentration of Br (g). 8 Product- or Reactant-Favored Reactions and Thermodynamics For example, consider the \(Q\) equation for this acid/base reaction: \[\ce{CH_3CH_2CO_2H(aq) + H_2O(l) <=> H_3O^{+}(aq) + CH_3CH_2CO_2^{-}(aq)} \nonumber \]. Answering the question. So the other part of this question is identify whether the reactions air product favored or, um, favor the reactant. Calculate the mass of cobalt that will be deposited when a current of 2.00 A is passed through a solution of CoSO 4 for 10.0 hours. Equilibrium reactions are those that do not go to completion, but are in a state where the reactants are reacting to yield products and the products are reacting to produce reactants. Zero Calculate the Gr0 of the following reaction and state whether it is spontaneous at standard temperature or not. 2 What side does equilibrium favor? Step 2: Plug in given concentration values: \(\begin{align*} Q_c &= \dfrac{(2.0)(2.0)}{(1.0)(1.0)} \\[4pt] &= 4.0 \end{align*}\]. product or reactant favored calculator - izotechna.lt or both? Which of the following must be true at equilibrium? Rate the reactions in order of their increasing How to use the calculator Show Me. Finding Mole Ratios: Here we have: Mole ratio between N_2 and NH_3 = 1 mol of NH_2 2 mol of NH_3. 1) Input a reaction equation to the box. powder, sprayed into a bunsen burner. This means that you can have more product than reactant, or more reactant than product. Stoichiometry is a section of chemistry that uses relationships between reactants and/or products of a chemical reaction to determine desired quantitative data. 3 What do we mean by an equilibrium that favors the reactants? Which of the following statements best describes chemical equilibrium? The Reaction Quotient is shared under a CC BY 4.0 license and was authored, remixed, and/or curated by Kellie Berman, Rebecca Backer, Deepak Nallur, & Deepak Nallur. Products are highly dependent on the nucleophile /base used. Zapraszamy na caonocne czuwanie Ogie Dwch Serc za tydzie w pitek, 3 marca o godz. The ratio of products to reactants is less than that for the system at equilibriumthe concentration or the pressure of the reactants is greater than the concentration or pressure of the products. 11 What does equilibrium mean in chemistry? product or reactant favored calculatorcbc news nl here and now. \(\ce{CO(g) + H_2O(g) \rightleftharpoons CO_2(g) + H_2(g)}\), \(\mathrm{K_{eq}=5.09} \,(\text{at 700 K})\). When one of these factors changes, the equilibrium of the system is disrupted, and the system readjusts itself until it returns to equilibrium.Why does equilibrium shift to weaker acid?The reason for this is that like any chemical reaction or a process, the acid-base reactions go towards a lower energy state. These are all equilibrium constants and are subscripted to indicate special types of equilibrium reactions. Is the reaction spontaneous at 298 K? Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. If x is smaller than 0.05(2.0), then you're good to go! Use the data given to calculate the value of Grxn for the reaction at 25C. For example, in the reactions: 2HI <=> H2 plus I2 and H2 plus I2 <=> 2HI, the values of Q differ. In the presence of a strong base, E2 will be the favored pathway. We also use third-party cookies that help us analyze and understand how you use this website. Reactant or Product Favored - YouTube As in how is it. He also shares personal stories and insights from his own journey as a scientist and researcher. Direct link to Priyanka Shingrani's post in the above example how , Posted 7 years ago. Hooray! If Q Table of Contents show 1 Does equilibrium favor reactants or products? powder, sprayed into a bunsen burner. The amount of products and reactants at equilibrium can be favored, their amounts just won't change once they reach . if the reaction will shift to the right, then the reactants are -x and the products are +x. This expression might look awfully familiar, because, From Le Chteliers principle, we know that when a stress is applied that moves a reaction away from equilibrium, the reaction will try to adjust to get back to equilbrium. Answer: Q= 0.436 and the reaction favors the products. Can i get help on how to do the table method when finding the equilibrium constant. It does, however, depend on the temperature of the reaction. product or reactant favored calculator - chenyiching.com access_time21 junio, 2022. person. tmabaso28 7 years ago 21 Which of the following is not true about a system at equilibrium? Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Do NOT follow this link or you will be banned from the site! The temperature, pressure, and concentration of the system are all factors that affect equilibrium. The convention is to leave water out of the equation, and simply write the reactant as the solid ionic compound and the product as ions in aqueous solution. The adolescent protagonists of the sequence, Enrique and Rosa, are Arturos son and , The payout that goes with the Nobel Prize is worth $1.2 million, and its often split two or three ways. The equilibrium constant expression is an equation that we can use to solve for \(K\) or for the concentration of a reactant or product. According to Le Chatelier's principle, if pressure is increased, then the equilibrium shifts to the side with the fewer number of moles of gas. Direct link to Eun Ju Jeong's post You use the 5% rule when , Posted 7 years ago. Is the reaction product-favored or reactant-favored? . Once a chemical system has reached equilibrium: both the forward and reverse reactions continue to occur. Direct link to Zenu Destroyer of Worlds (AK)'s post if the reaction will shif, Posted 7 years ago. Elimination is typically preferred over substitution unless the reactant is a strong nucleophile, but weak base. How do you know if a reaction is at equilibrium? product or reactant favored calculatorblaubeeren einfrieren fuchsbandwurm. The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. So therefore, in the state that this equation is the products are favored. If the direction cannot be determined from the information given, classify the reaction as "insufficient information The new equilibrium has an increased amount of product. *Note that the water is the solvent, and thus has a value of 1. 3) Input amount available. Also, note that the concentrations of products in the numerator are multiplied. Direct link to KUSH GUPTA's post The equilibrium constant , Posted 5 years ago. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. There are three possible scenarios to consider: In this case, the ratio of products to reactants is less than that for the system at equilibrium. Polityka Prywatnoci Informacje o cookies, Centrum Duszpasterstwa Myliwych i Lenikw Archidiecezji Wrocawskiej, Przeorat Wrocawskiej Prowincji Zakonu Rycerskiego witego Grobu w Jerozolimie, Miejsce Spotka Modlitewnych Polskiej Komendy Zakonu witego Huberta, Rkodzieo Benedyktynek Sakramentek z Wrocawia, Ingres bp. 19 What are the conditions for chemical equilibrium? The main difference between \(K\) and \(Q\) is that \(K\) describes a reaction that is at equilibrium, whereas \(Q\) describes a reaction that is not at equilibrium. very weak than strong bases. Weak acids only dissociate partially in water. The amount of products and reactants at equilibrium can be favored, their amounts just won't change once they reach . (Measured in Liter per Mole Second) Concentration of Reactant A - Concentration of Reactant A refers to the amount of reactant A present in the solvent at any given point of time during the process. View chapter18.pdf from CHE 1 at Elizabeth Seton School - Las Pias City. Direct link to Chris's post http://www.chem.purdue.ed, Posted 7 years ago. D. The reaction reaches equilibrium at 1.5 seconds. Science Chemistry Q&A Library reaction will be product-favored or reactant favored when temperature changes occur. 7 Which statement is true about a chemical reaction at equilibrium? "reactant" "product" reactants 'products Blue line= initial state Red line = new state Water level= eq. What do we mean by an equilibrium that favors the reactants? Which of the following is NOT true regarding a system in equilibrium? A reversible chemical reaction is one in which the products, as soon as they are formed, react to produce the original reactants.What happens to the concentrations of reactants and products at equilibrium?Since the forward and reverse rates are equal, the concentrations of the reactants and products are constant at equilibrium. product or reactant favored calculator - brijnaari.com The addition of a catalyst will speed up both the forward and reverse reactions.Which of the following must be true at equilibrium?So, in other words, the sum of all forces acting on it must be zero for a body to be in equilibrium.Which of the following statements best describes chemical equilibrium?Which of the following correctly describes chemical equilibrium? 2 CH2OH (g) + 3 O2 (g) 2 CO2 (g) + 4H2O (g) Species AH (kJ/mol-rxn) S (J/K mol-rxn) CH2OH (g) -210.1 239.7 O2 (g) 0 205.1 CO2 (g) -393.5 213.7 H2O (g) -241.8 188.8 9. Direct link to Brian Walsh's post I'm confused with the dif, Posted 7 years ago. The equilibrium constant expression is a mathematical relationship that shows how the concentrations of the products vary with the concentration of the reactants. (a) Is the combination reaction of hydrogen gas and chlorine gas to give hydrogen chloride gas (at 1 bar) predicted to be product-favored or reactant-favored at 298 K? In the Equilibrium Tutorial, the equilibrium constant, K, was . When the amount of product in the reaction is greater than the amount of reactant, the reaction is product favoured while reactant favoured reaction. Zbigniewa Zieliskiego do katedry koszaliskiej, Nauczanie spoeczne Kocioa zwraca uwag na ksztatowanie umysw, serc i sumie ludzi wieckich, Fatimski Kwadrans opowiedzmy dzieciom o Fatimie, Abp Jdraszewski: eby przyszo zwycistwo, trzeba o nie walczy, Nie zamiataj pod dywan, zmieniaj mentalno. Concentration of the molecule in the substance is always constant. A negative value of D G implies that a reaction is product-favored, i.e., after the reaction is completed there are more products than reactants. formula written above the arrow is used as a catalyst in the reaction (aq) reactant or product in an aqueous solution . Solutions for Chapter 6 Problem 16E: Exercise 6.16Product or Reactant-Favored?Calculate for each of the following reactions and decide whether the reaction may be product or reactant-favored. Stoichiometry is a section of chemistry that uses relationships between reactants and/or products of a chemical reaction to determine desired quantitative data. Legal. , the equilibrium condition is satisfied.What factor does equilibrium constant depend on?Equilibrium constant depends on temperature and is independent of the actual quantities of reactants and products, the presence of a catalyst and the presence of inert material. ? Substitution is typically preferred over elimination unless a strong bulky base is used. Because the standard state for concentrations is usually chosen to be 1 mol/L, it is not written out in practical applications. 3. Wszystkim solenizantom skadamy najserdeczniejsze yczenia! Explain what the value of \(K\) means in terms of relative concentrations of reactants and products. Posted by July 3, 2022 la times podcast on product or reactant favored calculator July 3, 2022 la times podcast on product or reactant favored calculator This website uses cookies to improve your experience while you navigate through the website. By calculating Q (products/reactants), you can compare it to the K value (products/reactants AT EQUILIBRIUM) to see if the reaction is at equilibrium or not. . 130. Explanation: Kc = [P.concentration]x [R.concentration]y. If reaction favored to the product side at low temperature but not at high temperature, this reaction could be in the which of the following situations? Does equilibrium favor reactants or products?The equilibrium constant expression is a mathematical relationship that shows how the concentrations of the products vary with the concentration of the reactants.