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Chemistry

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Cedrick Hirthe

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Cards in this guide (16)
What is thermal energy

The total kinetic energy of the particles in a system

What is the specific heat of a substance

The amount of heat a substance can hold.

What is thermodynamics

the study of the movement of energy and heat.

or

Thermodynamics is the branch of physics concerned with the conversion of different energy forms.

•DeltaG (rxn) = DeltaG (pdts) - DeltaDG (rcts) •DeltaG°(rxn) = -R T ln K •

What is the definition of specific heat

The heat needed to raise the temperature of 1 g of a substance 1° C - apex

What is the energy required to go from a solid to a liquid called

The latent heat of fusion

Which of the following best describes a neutralization reaction

Answer this question… Which of the following best describes a neutralization reaction? A. Acid + base H+ + OH- B. Acid + base salt + water C. Acid + base metal + nonmetal D. Acid + base H2O + H3O+

What is true of the enthalpy value of an intermediate reaction

It is multiplied by 2 if the intermediate reaction is multiplied by 2

How does the phase of water affect its specific heat capacity

Liquid water has the highest specific heat capacity.

What is the energy required to go from liquid to gas called

The latent heat of vaporization

How does entropy change in gas reactions

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

What is a result of the specific heat differences between land and ocean

Breezes are created when there are specific heat differences between land and ocean.

What describes the entropy change as a solution is made from a liquid to a solid

S > 0

How is the H fusion used to calculate the mass of solid that 1kJ of energy will melt

1kj x 1/H fusion x g/mol solid

What variable represents thermal energy in the equation Q mc T

Q is the symbol of heat.

What is heat included in the equation of an endothermic reaction

The heat in an endothermic reaction is included as a reactant on the left side of the equation, and has a positive value.

Which of the following is the best thermal insulator APEX

Air

(Explanation): water has a high specific heat capacity, but it can boil. stone (😂) also is a good thermal insulator, but it can get really hot. Metal is a very good thermal conductor, so it is definitely not that. Therefore, air is the best (its also really hard to boil).

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