ACR 101 Midterm

Which of the following represents a different temperature than the other three?

• 15°C

• 475°K

• 59°F

• 519°R

Of the following choices, the warmest temperature is ___.

• 501 R

• 20 C

• 303 K

• 77 F

Tags

NGSS.MS-PS3-4

At standard conditions on the Celsius scale, water will boil at ___.

• 32°C

• 100°C

• 0°C

• 212°C

Pure water boils at a temperature of 212°F at which of the following standard conditions?

• 12.696 psia

• 13.696 psia

• 14.696 psia

• 15.696 psia

The temperature on the Fahrenheit scale where all molecular biology activity stops is ___.

• -460°F

• -462.95°F

• -0°F

• -450°F

The temperature on the Celsius scale where all molecular activity stops is ____.

• -273°C

• -460°C

• -459.6°C

• -293°C

The Celsius equivalent of 80°F is ____.

• 26.7°C

• 27.5°C

• 25.5°C

• 26.3°C

How many Btus are required to change one pound of ice at 20°F to steam at 220°F?

• 6,520 Btu

• 3,912 Btu

• 1,304 Btu

• 2,608 Btu

How many Btus are required to change five pounds of ice at 20°F to steam at 220°F?

• a. 1,304 Btu

• b. 3,912 Btu

• c. 2,608 Btu

• d. 6,520 Btu

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1

How many Btus must be removed from one pound of water at 200°F for it to end up as ice at 30°F?

• a. 144 Btu

• b. 313 Btu

• c. 526 Btu

• d. 828 Btu

Tags

NGSS.HS-PS3-1