
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question
Which of the following statements is false?
a. |
Entropies of ionic solids that have similar formulas are larger when the attractions among the ions are stronger. |
|
b. |
Entropy usually decreases when a gas is dissolved in a liquid. |
|
c. |
Entropy usually increases when a pure liquid or solid dissolves in a solvent. |
|
d. |
Entropies of more complex molecules are larger than those of simpler molecules. |
|
e. |
Entropies of gases are usually much larger that those of liquids, which in turn are usually larger than those of solids. |
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- Please answer question A and B.arrow_forwardIf a reaction does not move forward and backward (meaning only move to one direction; could be product favored, could be reactant favored under these conditions), what is true about entropy and enthalpy? a. ΔH°rxn < 0 and ΔS°rxn > 0. b. ΔH°rxn < 0 and ΔS°rxn < 0. c. ΔH°rxn > 0 and ΔS°rxn < 0. d. ΔH°rxn > 0 and ΔS°rxn > 0. e. both a and c are correctarrow_forwardIf this has a negative value for a process, then the process occurs spontaneously. A. Free energy change (ΔG) B. Entropy change (ΔS) C. Enthalpy change (ΔH) D. Heat of vaporizationarrow_forward
- 4. A particular endothermic process results in an decrease in system entropy; therefore, the G value is _________ and the process is _____________. a. negative; spontaneous b. negative; nonspontaneous c. positive; spontaneous d. positive; nonspontaneousarrow_forwardWhat is the entropy change, in J mol-1 K-1, when 100.0 g of water boils at 100.0 oC? (ΔHvaporization = 40.7 kJ/mol) Type in your answer as a whole number with no units.arrow_forwardA Moving to another question will save this response. Question 11 A reaction has an equilibrium constant (K) of 58.2. If the entropy of this reaction is-36.7 J/mol"K at a temperature of 317 K, what is the enthalpy of this reaction in kJ/mol? Report your answer to one decimal place. If your answer is negative, make sure to input a negative sign (-). Moving to another question wvill save this response. lyp 144 &arrow_forward
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