Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Mathematically according to the Gibbs free energy equation, what are 3 ways a reaction could generate a negative value for delta G
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- A2(g) + 3B2(g) -> 2AB3(g) where the ΔGorxn is -140 kJ and equilibrium constant at standard conditions is 3.5x1024. a) If we place 0.100 atm of AB3, 0.050 atm of B2, and 0.500 atm of A2 in a container at 25oC, which direction will the reaction go (if any) to reach equilibrium? b) What is the value of ΔGrxn assuming the temperature is maintained at 25oC?arrow_forwardFor a certain chemical reaction, the standard Gibbs free energy of reaction at 30.0°C is 73.3 kJ. Calculate the equilibrium constant K for this reaction. Round your answer to 2 significant digits.arrow_forwardWhich of the following describes the biological energy to do work like muscle contractions? Group of answer choices Enthalpy Entropy Gibbs Energy none of the abovearrow_forward
- For the equation: CH3OH (l) + 3/2 O2(g) -> CO2 (g) +2H2O What drives this reaction to go in the forward direction? Entropy, Enthropy, both, or neither?arrow_forwardIn a chemical reaction, if AG is positive, it means thata) the products contain more energy than reactantsb) the reaction will proceed spontaneously c an input of energy is required to break the bonds d) the reaction is exergonicarrow_forwardFor a certain chemical reaction, the standard Gibbs free energy of reaction at 20.0 °C is 90.2 kJ. Calculate the equilibrium constant K for this reaction. Round your answer to 2 significant digits. K = || x10arrow_forward
- 17. The thermochemical equation for the reaction of F2 and water is as follows. AH = -270 kJ F2(g) + 2 H2O (liq)=HF (aq) + O2 (g) Given a system that is initially at equilibrium, which of the following actions cause the reaction to proceed to the right? a) adding O2(g) b) decreasing the temperature c) adding a catalyst d) decreasing the volume of the reaction chamber e) none of the abovearrow_forwardFor a certain chemical reaction, the standard Gibbs free energy of reaction at 10.0 °C is 135. kJ. Calculate the equilibrium constant K for this reaction. Round your answer to 2 significant digits. K= |arrow_forwardCalculate the standard change in Gibbs free energy for the reaction at 25 °C. Standard Gibbs free energy of formation values can be found in this table. 3 NO₂(g) + H₂O(1) AGixn || - 2 HNO3 (1) + NO(g) kJ/molarrow_forward
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