14-23 I have already done the questions, idk if they are all right though. so If

Question

14-23 I have already done the questions, idk if they are all right though. so If someone could just see if there are any wrong answers and just write the correct m.c. with the question number. ty in advance!

e) none of the above 2e of the r NO (a), e) adding more NO (a) to the reaction vessel What is the effect of adding more water to the following equilibrium reaction? CO2(g) 15 o) more H-CO, is produced, b) Co2 concentration increases, e) the equilibrium is pushed in the direction of the re H2O(g) H2CO3(g) + a & c actants, d) a & b concentration of SOz(g), (b) increasing the pressure, c) an increase in temperature, d) a decrease in the concentration e) none of the above n the eaution of otalm system 2s0-(g)+O(g)250 (g)+ heat the concentration of SOb(g) may be increased by a) decreasing the e) none of the of O2(g), 17 For which of the following will Kp K? a) MgCO(s) + 2HCl(g) MgCh(s) + CO2(g) c) CH-G)+ 302(g) CO2(g) + 2H20(g) e) 2NO2(g) + O2(g) N2Os(g) + H20(1) d) Zn(s) + 2HCl(aq) H2(g) + ZnCl2(aq) brium expression ng reaction? MgCO3(s) + 2HC1(g) MgClds) + CO2(g) + H2O(1) 19. In the reaction 2Hl(lg)H2(g) lg) the equilibrium constant is 0 20 If 0.200 mole of Hl is placed in an empty 10.0 L flask, what is the molarity of 1-lg) in the flask when equilitbrium is reached? 3)0.14 M b) 0.0047 M, c) 0.0094 M, d) 2.2 M, e) 0.0025 M a) A & B,(b C & D, c) A & C, d) B& D, e) A& D THC 20. Given the equilibrium expression: K=[A1BMcID Which pair represents the reactants of the forward reaction? 21. Which of the following reactions will tend to proceed farthest toward completion? a) Ha(g)Br2l9) 2HBríg) K 7.9 X 101 b) 2NO(g) N2(g) 02(g) K 2.1X 10 d) CHsCOOH(aq) co CH3COO'(aq) + H+(aq) K = 1.8 X 10-5 2BrCI Br2 + Cla (in CCla solution) K= 0.145 22. Given the system at equilibrium: AgcI(s) Ag(aq) shift to the: a) right and then the concentration of Ag (aq) will decrease, b) right and then the CI(aq). When 0.1 M AgNOs is added to the system, the point of equilibrium will c) left and then the concentration of Ag (aq) will increase, d) left and then the concentration of Ag (aq) will right and then the concentration of Ag (aq) will increase, it is at even with the addition. decrease, (e none of the above, 23 The reacion 2NOg)NO(g) has an equilibrium constant of 4.5 X 10 at a certain temperature. What is the equilibrium constant for a) 4.5 X 10, 9.0X 10, c) 2.2X 10, d) 2.0x10', e) 4.9 x 10

Explanation / Answer

Ans 14 : C) Adding N2 to increase the pressure

As the pressure is increased in the reaction vessel , the reaction shifts in the direction where the pressure is less ( i.e. right direction ) , so it will lead to formation of more products i.e.N2O4 , and the concentration of NO2 will decrease.

This happens in accordance to the Le Chatelier's Principle.

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