Multiple Choice
Most gases become less soluble in water as the temperature increases.What can be concluded about the signs of ΔHsoln and ΔSsoln in this case?
A) ΔHsoln is negative and ΔSsoln is negative.
B) ΔHsoln is negative and ΔSsoln is positive.
C) ΔHsoln is positive and ΔSsoln is negative.
D) ΔHsoln is positive and ΔSsoln is positive.
Correct Answer:
Verified
Correct Answer:
Verified
Q39: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4940/.jpg" alt=" -Which drawing above
Q40: Arrows in the energy diagram below represent
Q41: A solution of LiCl in water has
Q42: KI does not dissolve well in nonpolar
Q43: A solution of a nonelectrolyte solution contains
Q45: To make a 3.00 m solution,one could
Q46: A solution is prepared by dissolving 171
Q47: The boiling point of a solution containing
Q48: Two beakers,one with pure water (light gray)and
Q49: Cocaine,C<sub>17</sub>H<sub>21</sub>NO<sub>4</sub>,in urine can be confirmed by mass