CHEMISTRY: THE MOLECULAR NATURE OF MATTER AND CHANGE FINAL PAPER SOLVED QUESTIONS WITH COMPLETE ANSWERS

CHEMISTRY: THE MOLECULAR NATURE OF
MATTER AND CHANGE FINAL PAPER SOLVED
QUESTIONS WITH COMPLETE ANSWERS

◉ Chemical Potential Energy.
Answer: The energy stored in a substance because of its
composition; is released or absorbed as heat during chemical
reactions or processes


◉ heat.
Answer: a form of energy that flows from a warmer object to a
cooler object


◉ thermochemistry.
Answer: The study of heat changes that accompany chemical
reactions and phase changes


◉ calorie.
Answer: The amount of heat required to raise the temperature of
one gram of pure water by one degree celsius


◉ joule.

, Answer: The SI unit of heat and energy


◉ specific heat.
Answer: The amount of heat required to raise the temperature of
one gram of a given substance by one degree Celsius


◉ system.
Answer: In thermochemistry, the specific part of the universe
containing the reaction or process being studied


◉ surroundings.
Answer: In thermochemistry, includes everything in the universe
except the system


◉ calorimeter.
Answer: An insulated device that is used to measure the amount of
heat released or absorbed during a physical or chemical process


◉ Calculate heat absorbed or released.
Answer: q=c*m*delta(t)


◉ q.
Answer: heat absorbed or released