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Chemistry

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Term1/10
When baking soda is mixed with vinegar which type of reaction has taken place
Definition1/10

its a chemical reaction

Term1/10
Swamp coolers are effective because
Definition1/10

the water's latent heat of vaporization is being pulled from the air, the water pulls heat from the room to undergo a phase change.

Term1/10
The of an acid and a base is determined by how completely they dissociate in water
Definition1/10

The _____________ of an acid and a base is determined by how completely they dissociate in water.

strength

Term1/10
On a cold winter day the flow of heat is from the outside in
Definition1/10

Falseee

Term1/10
A horizontal line on a phase change graph indicates
Definition1/10

A horizontal line on a phase change graph means there has been no change. Often longer periods of research are needed to see significant change.

Term1/10
What temperature Fahrenheit and celsius thermometers would read as the same number
Definition1/10

negative 40 degrees

Term1/10
What is it called when one or more substances change into one or more new substances
Definition1/10

This is a chemical reaction.

Term1/10
What substance below requires the most energy to raise its temperature by 7 degrees C
Definition1/10

gold

Term1/10
Is Sixty-five degrees Fahrenheit about 18 degrees Celsius
Definition1/10

Yes, 18°C is 64.4°F, and 65°F is 18.33°C

Term1/10
On a very hot summer day, railroad tracks can buckle, causing train delays and derailments. Select the best reason below for the buckling
Definition1/10

The metal undergoes thermal expansion.

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Cards in this guide (10)
When baking soda is mixed with vinegar which type of reaction has taken place

its a chemical reaction

Swamp coolers are effective because

the water's latent heat of vaporization is being pulled from the air, the water pulls heat from the room to undergo a phase change.

The of an acid and a base is determined by how completely they dissociate in water

The _____________ of an acid and a base is determined by how completely they dissociate in water.

strength

On a cold winter day the flow of heat is from the outside in

Falseee

A horizontal line on a phase change graph indicates

A horizontal line on a phase change graph means there has been no change. Often longer periods of research are needed to see significant change.

What temperature Fahrenheit and celsius thermometers would read as the same number

negative 40 degrees

What is it called when one or more substances change into one or more new substances

This is a chemical reaction.

What substance below requires the most energy to raise its temperature by 7 degrees C

gold

Is Sixty-five degrees Fahrenheit about 18 degrees Celsius

Yes, 18°C is 64.4°F, and 65°F is 18.33°C

On a very hot summer day, railroad tracks can buckle, causing train delays and derailments. Select the best reason below for the buckling

The metal undergoes thermal expansion.

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