Review: Trimester 1 Chemistry

Front

How many atoms of carbon (C) are in C6H12O6?

Back

6

Front

The faster an object moves, the ________ kinetic energy it has.

Back

more

Front

The amount of energy required to raise the temperature 1ºC for every kilogram is called____?

Back

Specific Heat

Front

What is 78.5 rounded to one significant figure?

Back

80

Front

125,678,000: Change to scientific notation

Back

1.25678 x 10^8

Front

What is the formula for calculating kinetic energy?

Back

KE = 1/2 mv^2 (where m is mass and v is velocity)

Front

Define specific heat capacity.

Back

The amount of heat required to raise the temperature of 1 kg of a substance by 1ºC.

Front

What is the significance of significant figures in measurements?

Back

They indicate the precision of a measurement.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

What is the principle of conservation of energy?

Back

Energy cannot be created or destroyed, only transformed from one form to another.