C7 Flashcards

1
Q

What is a Exothermic Reaction

A

A reaction in which enrgy is transferred from the reacting substance to their surroundings

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2
Q

What is a endothermic reaction

A

A reaction in which energy is transferred to the reacting substances from their surroundings

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3
Q

What happen’s to energy in a chemical reaction

A

Energy is conserved in a chemical reaction

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4
Q

What is an example of an exothermic reaction

A

Burning of fossil fuels, such as the combustion of methane

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5
Q

What is an example of a endothermic reaction

A

The reaction between citric acid and sodium hydrocarbonate

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6
Q

What is active energy

A

Energy needed to start a reaction

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