Which compound is least soluble in water? CH_3CH_2C h_2C h_2OH CH_3C h_2C h_2OH

Question

Which compound is least soluble in water? CH_3CH_2C h_2C h_2OH CH_3C h_2C h_2OH C h_3CH_2OH CH_3OH The dissolution of gaseous O_2 in water is exothermic. To increase the solubility of O_2 in water.  the water prime s temperature and the O_2 pressure above the water. decrease, increase increase, decrease decrease, decrease increase, increase At 23.0 degrees C the vapor pressure of water is 21.1 mmHg. If 8.55 g of sucrose is added to 17.6 g of water, what is the vapor pressure of the solution? 142 mmHg 17.6 mmHg 20.6 mmHg 21.1 mmHg What is deltaG_rxn^degree? Fe_2O_3(s) plus 3SO_3(g) rightarrow Fe_2(SO_4)_3(s) 1363.1 kJ 571.7 kJ minus 571.7 kJ minus 1363.1 kJ Which substance has the lowest standard molar entropy at 25 degree C? N_2O_5(g) N_2O_4(g)NO_2(g) NO(g)

Explanation / Answer

9.

least soluble is the one with the larges molar mass

choose A

10.

exothermic process --> will go forwadrd if no heat is added; will go reverse is ther eis heat addition

if T increases, solubility decreases

if T decreases, solubility increases

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