Which statement best describes evidence that a chemical reaction occurs as a cake bakes?
A) The water in the cake batter evaporates.
B) The cake rises as gas bubbles form in the baking cake.
C) The cake takes the shape of the container in which it is baked.
D) The water in the cake batter is used to keep the cake moist as it bakes.

Asample of freon gas has a volume of 2.23 liters, a pressure of 4.85 kpa, and a temperature of -1.36°c. calculate the volume at a pressure of 1.38 kpa and a temperature of 5.5°c. (show work)

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .

You just calculated that the heat of fusion for chloromethane is 6400 j/mol. the heat of fusion for hydrogen is 120 j/mol.? which of the following account for this difference? more than one correcta. chloromethane can absorb more energy at the same temperature. b. hydrogen has stronger intermolecular forces than chloromethane. c. hydrogen molecules can pack more closely than chloromethane molecules. d. chloromethane experiences dipole-dipole interactions. e. chloromethane has a higher molar mass than hydrogen.