What is the specific heat of a substance if a mass of 10.0 kg increases in temperature from 10.0°C to 70.0°C when 2,520 J of heat is applied? Use q equals m C subscript p Delta T..
0.00420 J/(gi°C)
0.00661 J/(gi°C)
238 J/(gi°C)
252 J/(gi°C)

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)