Which of the four substances listed WILL dissolve in water and why? HCI
CH4
CaCO3
Gasoline

A) HCI because it is polar
B) Gasoline because it is flammable
C) CH4 because it is nonpolar
D) CaCO3 because it is a salt

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon