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Chemistry

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Vilma Hirthe

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2y ago
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Cards in this guide (7)
What is thermal energy

The total kinetic energy of the particles in a system

Why does temperature stay constant during a phase change

To put it in simple terms, all of the energy that would normally increase the temperature of the object, is being used to convert the object from one phase to another.

Once the object has completely changed to the new phase, the energy is not needed for phase change and raises the temperature of the object.

Because energy is being used to overcome intermolecular forces(apex)

What defines an exothermic reaction

A reaction that produces heat

How does the phase of water affect its specific heat capacity

Liquid water has the highest specific heat capacity.

How does entropy change in gas reactions

Reactions that increase the moles of gas will increase in entropy.

What is a correct description of the enthalpy of a reaction

The enthalpy of a reaction does not depend on the intermediate reactions.

What does it mean if Keq is less than 1

Reactants are favored over products in the reaction.

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