Week 2 Flashcard

Front

Water freezes at what temperature?

Back

32°F (0°C)

Front

Water is at a maximum density, at what temperature?

Back

39.2°F (4°C)

Front

Water freezing in a pipe exerts approximately how many pounds per sq inch?

Back

Approximately 2,000 psi

Front

What is the weight of one US gallon in ounces?

Back

128 ounces

Front

How much pressure is at the base of 1’ of water column?

Back

0.433 psi

Front

Why does ice float?

Back

water expands when it freezes, making ice less dense than water