Which statement best compares the moon and Earth?
A)They both spin at the same speed.
B)The moon has carbon dioxide, but Earth has oxygen and nitrogen.
C)They both take the same time to complete one revolution around the sun.
D)The moon has no atmosphere, but Earth has an atmosphere rich in liquid water.

What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j