How many kJ of heat do you need to raise the temperature of 400 g of ethanol from 20 °C to 40 °C?
Remember to convert your answer to kJ. Round your answer to two decimal places.
Specific Heat Capacities
J
ethanol
2.44
9C°
J
aluminum 0.90
90°
"Note: Not all data presented in quiz and test questions is relevant to solving the
question.

Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5

Which substance—wood or silver—is the better thermal conductor? a thermal conductor is a material that requires very little heat energy to change its temperature. explain your answer.

In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.