Font size
WorksheetsThermochemistry
Total questions: 15
Worksheet time: 9mins
It is also known as solar energy
(a)
It is the energy associated with the random motion of atoms and molecules.
(a)
It is the energy stored within the structural units of chemical substances.
(a)
It is the energy available by virtue of an object's position.
(a)
It is a type of system there is an exchange of mass and energy.
closed
open
isolated
It is a process in which heat is supplied to the system by the surroundings.
(a)
It is a scientific study of the interconversion of heat and other kinds of energy.
nuclear chemistry
organic chemistry
thermochemistry
thermodynamics
Which of the following is NOT a state function?
energy
heat
pressure
temperature
Consider the following statements:
A. A spontaneous reaction is a reaction that occurs under a given set of conditions.
B. Exothermicity favors the spontaneity of a reaction but does not guarantee it.
Both statements are TRUE
Statement A is true while Statement B is false.
Both statements are FALSE.
Statement A is false while Statement B is true.
State the first law of thermodynamics
When work is done by the system on the surroundings, the sign is (a) .
A 466-g sample of water is heated from 8.50 °C to 74.60 °C. Calculate the amount of heat absorbed (in kJ) by the water. Write your answer in two decimal places.
Specific Heat of water = 4.184 J/g°C
(a)
The work done when a gas is compressed in a cylinder is 462J. During the process, there is a heat transfer of 128 J from the gas to the surroundings. Calculate the energy change for this process.
(a)
It is the study of heat change in chemical reactions.
(a)
It is the capacity to do work
(a)
