What type of process occurs when solidified wax is converted to liquid wax on heating?
endothermic
exothermic
decomposition
reversible
disintegration

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

Which position represents spring in the southern hemisphere? a) b) c) d)