Q 19 please 10)is a thermodynamic state quantity that is a measure of the randomness or disorder of the moleculesof the system? a) Entropy b) Enthalpy c) Free energyd) Internal energyThere are 12 molecules in two boxes that are connected. shown below. Answer the following two questions?11) How many ways can you have 6 molecules in the left box and 6 in the right box? 201c) 21485 waysd) 924 waysa) 495 waysb) 2514 ways12) What is the entropy of the arrangement in Q11? KB= 1.38×10-23 J/K,a) 1.08×10-22 J/Kb) 9.42×10-23 J/Kc) 8.56×10-23 J/Kd) 1.56x10-23 J/K13) Determine the signs of (AH, AS, AG) for the reaction H₂O(s) → H₂O(1) at high temperature?a) (+, +,-)b) (+, +, +)d) (-, +, +)c) (+,-, +)14) For the reaction BaF2(s) = Ba2 (aq) + 2F (aq), AG= 35000 at 25 °C, calculate KSP? calculate AG for thereaction?a) Ksp 2.62×10-6b) Ksp 7.66x10€c) KSP=7.33x10-7d) Ksp 8.35x10-715) For the reaction R-P, the concentration of a reactant changes from 0.0300 M to 0.0282 M in 25 minutes.Calculate the average rate of reaction in seconds.a) 8.35x108 M.S-¹b) 6.67x10-6 M.S-¹c) 1.20x10 M.s-¹d) 4.57×10 M.s¹16) For the reaction N₂Os(g)-2NO2(g)+1/2O2(g) the value of rate of disappearance of N₂Os is given as6.25 x 103 mol.L's. The rate of formation of O₂ isd) 4.57x103 mol.L¹s¹a) 6.25x10-3 mol.L-¹.s¹ b) 1.25x102 mol.L¹.s¹ c) 3.125x103 mol.L-¹.s¹17) The initial-rate data in the table below were obtained for the reaction A+ Brate law for the reaction?a) Rate=k[A][B]b) Rate=k[A][B]²a)expL23[4],Finital [A] inital (B)(mol L(mol L0.100.200.209925c) Rate=k[A][B]³d) Rate-k[A] [B]²18) For the reaction for which rate law is rate= k[A]', a plot of which of the following is a straight line?versus timeb) [4], versus timec) In-versus timed) In[4], versus time19) A certain reaction having the following concentration-time relation:the following represent the correct t1/2 relation of the reaction?1a) ½ 2k0.100.100.50[4].c) 1½-10k=2C. What is the experimentalinitial rate of formation of [C](mol L sec )2.5 x 1045.0 x 10-1.25 x 10-²3[A],-2[A],4-5kt which relation ofHoped) 1/2=10k(b) 1% = 2k [4]20) The reaction AB is first order reaction with t1/2 = 50 s, calculate the rate constant (k) and the time required toreact 65% of the substance A?a) k-0.01386 s¹ and t-31.08 sb) k= 0.0866 s¹ and t= 75.74 sd) k-0.01386 s¹ and t= 75.74 sc) k=0.866 s¹ and t- 31.08 s

We have the concentration-time relation as (3[A]0 – 2[A]t )/4 = 5kt We are to find out the t½…

19) A certain reaction having the following concentration-time relation: the following represent the correct t1/2 relation of the reaction? c) t½₂ 1 b) t = 2k [4]. a) tx=2 / 4 ( ty 2k [4] 10k 3[A],-2[A], 5kt which relation of d) 1½ 10k

19) A certain reaction having the following concentration-time relation: the following represent the correct t1/2 relation of the reaction? c) t½₂ 1 b) t = 2k [4]. a) tx=2 / 4 ( ty 2k [4] 10k 3[A],-2[A], 5kt which relation of d) 1½ 10k

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Part C F10 BO O 3.04 × 10³ 6.27 x 10-1 The dosage of quinine when a 145-lb adult takes a 200.-mg tablet is equivalent to ug drug per kg of body weight. ► View Available Hint(s) O 627 O 1.38 × 10³ P Pearson * Education Inc. All rights reserved. | Terms of Use Privacy Policy. Permissions Contact Us | Bb Home L End Insert ■ Review |- Constants | Periodic Table 1 2
AgBr AgCl Ag₂ CrO4 5.35x10-13 1.77x10-10 1.12×10-12
s off The time of flight fa wharf. at 40 b) The velocity at which the car he 3. A ball rolls off a 2.3 mete idge and hits the fle a) How much time t take fo de gro 5) 840 inches to centimeters bove the g 6) Joshua uses his thermometer and finds the boiling point of ethyl alcohol to be 75°C. He looks in a reference book and finds that the actual boiling point of ethyl alcohol is 80°C. What is his percent error? und? Percent Error Problems 75°C -8o'c 80'C X lo0 =C.2 SY. 7) The density of water at 4°C is known to be 1.00 g/mL. Kayla experimentally found the density of water to be 1.075 g/mL. What is her percent error? 8) The Handbook of Chemistry and Physics lists the density of a certain liquid to be 0.7988 g/mL. Taylor experimentally finds this liquid to have a density of 0.7925 g/mL. The teacher allows up to a 0.5 % error to make an "A" on the lab. Did aulm Taylor make an "A"? Prove your answer. 6.145 0. 1988 g1n X lo0 = 0. 79889/ML