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WorksheetsThe Heat is On
Total questions: 12
Worksheet time: 3mins
The study of heat changes in chemical reactions
joulenalism
thermodynamics
thermochemistry
exothermy
The law of conservation of energy states that
in any chemical or physical change, energy cannot be created or destroyed, only changed in form.
heat changes occur during chemical and physical changes.
energy is the capacity to do work or to supply heat
there are two types of energy, kinetic and potential
___________________ is the capacity to do work or supply heat.
energy
heat changes
specific heat
thermochemistry
What is the SI unit of heat and energy?
calorie
celsius
joule
Kinetic energy is energy gained _______________
while at rest
during motion
Sweating is an __________________ process because heat is released.
endothermic
exothermic
Is this reaction endothermic or exothermic?
During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______.
Warm
Cold
Bubbly
Damp
During an exothermic reaction, heat content in the surroundings increases because
heat energy is destroyed during reactions
the reaction absorbs heat energy
the energy contained in the reactants is lower then the products
the energy contained in the products is lower than the reactants
