Indicate whether the following change in the physical state require heating or cooling.

Liquid to solid

Supply the term that describe the following change of physical state.

Liquid to solid

Supply the term that describe the following change of physical state.

Gas to liquid

Supply the term that describe the following change of physical state.

Solid to liquid

Which physical state is described as having particles closely packed and held rigidly in position?

Which physical state is described as having a variable shape and compresses significantly?

Which physical state is described as having a fixed shape and fixed volume?

Describe the physical and chemical changes that occur when a pot of water is boiled over a campfire.

What is the specific gravity of gasohol if the density is $0.801 \mathrm{~g} / \mathrm{mL} ?$

How many 325-mg tablets can be produced from $2.50 \mathrm{~kg}$ of powdered aspirin?

Olympic athletes compete in a 400-meter event, but not in a quarter mile event. Which race is longer: 400 meters or $0.250$ mile? (Given: $1 \mathrm{mi}=1.61 \mathrm{~km}$ )

A basketball court measures $94.0$ feet by $50.0$ feet. Calculate the area in square meters. (Given: $1 \mathrm{yd}=0.914 \mathrm{~m}$ )

(a) Light travels at a speed of

$$1.86 x10^5$$

mi/sec. A light-year is the distance that light travels in 1 year. Determine the number of miles in a light-year.

An automobile airbag inflates in $35 \mathrm{~ms}$. How many microseconds are required for the airbag to inflate?