A space probe is launched from the surface of Earth into space. After 30 minutes, the space probe runs out of fuel and the rocket engine stops but the space probe continues moving at a constant speed. What concept explains this phenomena?
friction
gravity
inertia
mass

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