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Chemistry

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Parker Braun

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Cards in this guide (17)
What is the definition of heat energy

The definition of Heat Energy is The energy created by conduction.

: )

What is the definition of specific heat

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

How many triangles in star of David

If it is in the form of two inverted triangles, then there are 8 triangles.

If only the outline is used, there are 0 triangles.

How does a substance change when its thermal energy changes

For example, when heat energy (thermal energy) is added to a substance, either its temperature will increase, or it will change its state (as when ice is melted).

What is an equation that relates quantities represented by variables

Simply that, an "equation".

Simply that, an "equation".

Simply that, an "equation".

Simply that, an "equation".

What equation represents the energy it takes to heat a substance

Q=mc∆T

How is the Hfusion used to calculate volume of liquid frozen that produces 1 kJ of energy

1kJ 1/Hfusion g/mol ml/g liquid

What conditions make G always negative

G is always negative when H is negative and S is positive.

What happens when a glass of water is set in the sun until the water evaporates

Entropy increases.

How do reaction involving gases affect the entropy of a system

Reactions involving gases can negate the entropy of a system. However, certain gases can increase the rate of entropy. Thus, some gases are considered beneficial and others negative.

Which is a statement of the second law of thermodynamics

Entropy tends to increase in a system.

What is human cargo

Human cargo is another term for passengers.

What does q mean in the equation q equals ml

amount of heat energy

Which direction of the reaction is favored at 298 k room temperature use the reaction I2s I2g when H 62.4 kJ.mol-1 and S 0.145 kJ.mol-1.k-1

Gas phase Iodine in open cylinder

What phase has the lowest entropy

solid-apex

What equation indicates an endothermic equation

An endothermic reaction occur with heat absorption.

How is an exothermic reaction indicated in an eq

heat is included as one of the products

cause : a-p-e-x quiz !

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