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WorksheetsThermochemistry F5
Total questions: 15
Worksheet time: 5mins
What does it means with THERMOCHEMISTRY?
Study of electrical energy in a chemical reaction
Study of potential energy in a chemical reaction
Study of heat energy in a chemical reaction
Study of magnetic energy in a chemical reaction
When you hold an ice in your palm, the ice melts because
You are hot
Ice absorbs heat
Ice release heat
What is exothermic reaction?
Release heat to the surrounding
Absorb heat from surrounding
What is endothermic reaction?
Heat released to the surrounding
Heat absorbed from the surrounding
What is the name of the reaction?
Respiration
Combustion
Playing fire
Photosynthesis
What type of reaction?
Exothermic
Endothermic
For exothermic reaction, temperature after the reaction is _______ than the temperature before the reaction
equal
higher
lower
For endothermic reaction, temperature after the reaction is _______ than the temperature before the reaction
equal
higher
lower
Which is not a bond in Chemistry?
Ionic bond
Covalent bond
James bond
Heat is _________ when bond is broken
Absorbed
Released
Sustained
Heat is _________ when bond is formed
Absorbed
Released
Sustained
Energy level diagram for exothermic reaction
Energy level diagram for endothermic reaction
Energy profile diagram for exothermic reaction
_____________ is the amount of energy needed by the reactants to collide with each other and react
Spongebob
Heat of reaction
Bond breaking enery
Activation energy
