THERMODYNAMICS AND ENTROPY

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When the internal energy of a material increases,: its temperature will rise it will go through a phase change A and B A or B

A or B

Which statements are supported by the second law of thermodynamics? The usable energy in the universe is decreasing. The usable energy in the universe is increasing. The energy of the universe is being destroyed. The entropy of the universe is increasing.

The usable energy in the universe is decreasing. The entropy of the universe is increasing.

entropy

a measure of disorder

thermal equilibrium

a situation in which materials in contact are at the same temperature

The total amount of energy and mass in the universe is _____. always changing slowly increasing constant slowly decreasing

constant

The scientific measure of disorder is called _____. thermodynamics matter entropy conservation

entropy

measure of disorder

entropy

When the law of conservation of energy is applied to heat, it is known as the _____ law of thermodynamics. zeroth first second third

first

conservation of energy when heat is added

first law of thermodynamics

After a metal object turns to dust (rust), it would have _____. no entropy low entropy high entropy

high entropy

reaching a state of total disorder

maximum entropy

disorder increasing

second law of thermodynamics

internal energy

the kinetic and potential energy of the molecules of a substance

The change of energy from one form to another results in _____. a chemical reaction the spreading out of energy due to heat flow the recapture of some spread out energy a combustion reaction

the spreading out of energy due to heat flow

internal energy

the total kinetic and potential energy due to the motions and positions of the molecules of an object

The branch of science concerning heat flow and energy conversions is called _____. chemistry thermodynamics conversion science atomic studies

thermodynamics

the study of energy conversions

thermodynamics


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