What is a typical way of forcing a nonspontaneous reaction to be spontaneous?
A.) Increase temperature
B.) Add a catalyst
C.) Couple the reaction with a more favorable reaction
D.) All of the above
E.) Both A and B
F.) Both A and C
Typical ways of making a reaction from non spontaneous to spontaneous -
Increase temperature and couple the reaction with more favorable reaction.
Hence, option (F) is correct.
What is a typical way of forcing a nonspontaneous reaction to be spontaneous? A.) Increase temperature...
At what temperature will it change between spontaneous and nonspontaneous? e. What is K for the reaction? Write the equilibrium constant expression (K) for the following balanced reactions. Indicate the type of equilibrium constant (Kc, Ka, Kb, K_sp, Kf etc) a. PbAgAsS_3(s)+H_2 O(1) = Pb^+ 2 + Ag* + As^+3 + 3 s^-2 CO_2 (aq) + H_2 O(1) H_2 CO_3 (aq) How will each of the following changes affect the equilibrium mixture? NH_4HS(s) NH_3(g), + H_2 S(g) Rxn is endothermic...
spontaneous or nonspontaneous spontaneous or nonspontaneous spontaneous or nonspontaneous Consider the following reaction: CACO3(s) CaO (s) + CO2 (g). Estimate AG for this reaction at each of the following temperatures. (Assume that AH° and AS do not change too much within the given temperature range.) Part A 290 K Part B 1095 K Part C 1475 K
Consider a reaction where E is a positive number. Is the reaction spontaneous or nonspontaneous? Which reduction potential will be higher, the anode or the cathode? a. spontaneous, anode b. spontaneous, cathode c. nonspontaneous, anode d. nonspontaneous, cathode
Which of the following statements about enzymes is true? a. Enzymes can make a nonspontaneous reaction spontaneous. b. As more substrate is added, the reaction will continue to occur faster and faster. c. An enzyme can couple a nonspontaneous reaction to a spontaneous reaction so that anabolic processes will occur. d. Catabolic reactions are spontaneous and do not require enzymes to occur in the cell.
IF ÄH and ÄS are both negative for a reaction, then the reaction is: a. nonspontaneous at low temperatures and spontaneous at high temperatures. b. spontaneous at low temperatures and nonspontaneous at high temperatures. C. spontaneous at all temperatures. d. nonspontaneous at all temperatures. e. none of the choices given above Suppose that AH° = +95.1 kJ and AS° =-0.192 kJ/K for a chemical reaction. What is AG at 600 K? a. +20.1 kJ b.-20.1 kJ c. +152.3k) d.+210.3 kJ...
What can be said about an Endothermic reaction with a negative entropy change? The reaction is a. spontaneous at all temperatures. b. spontaneous at high temperatures. c. spontaneous at low temperatures. d. spontaneous in the reverse direction at all temperatures. e. nonspontaneous in either direction at all temperatures. What can be said about an Exothermic reaction with a negative entropy change? The reaction is a. spontaneous at all temperatures. b. spontaneous at high temperatures. c. spontaneous at low temperatures. d....
Which of the following correctly characterizes the reaction in the following diagram: Reaction coordinate OA. Nonspontaneous reaction in which products are more stable than reactants. OB. Spontaneous reaction in which products are more stable than reactants C. Nonspontaneous reaction in which products are less stable than reactants OD. Spontaneous reaction in which products are less stable than reactants E. None of the above
questions 3,4,5 TICLE complete the following sentence. The vapor A) spontaneous at low temperature and nonspontane B) nonspontaneous at all temperatures honspontaneous at low temperature and spontaneous at high temperature D) spontaneous at all temperatures E) not enough information given to draw a conclusion 3) Given the following reaction at equilibrium, if Kp = 1.20 at 250.0°C, KC PC13 (8) + Cl2 (g) PCI (8) A) 429 B) 2.79 x 10-2 51.5 D) 1.20 E) 3.90 x 10-6 4) All...
questions 3,4,5 TICLE complete the following sentence. The vapor A) spontaneous at low temperature and nonspontane B) nonspontaneous at all temperatures honspontaneous at low temperature and spontaneous at high temperature D) spontaneous at all temperatures E) not enough information given to draw a conclusion 3) Given the following reaction at equilibrium, if Kp = 1.20 at 250.0°C, KC PC13 (8) + Cl2 (g) PCI (8) A) 429 B) 2.79 x 10-2 51.5 D) 1.20 E) 3.90 x 10-6 4) All...
If AH and AS are both negative for a reaction, then the reaction is O nonspontaneous at all temperatures. O nonspontaneous at low temperatures and spontaneous at high temperatures. O spontaneous at all temperatures. O spontaneous at low temperatures and nonspontaneous at high temperatures. Question 22 3 pts What is the correct equation for Sr undergoing electron capture? 38 O 81 Sr 0 e > -1 81 Rb + 38 37 O 81 Sr 0 --> 81 Rb + 37...