Calculating Energy 1

Which heating/cooling curve is correct for: A 250. g bottle of water at 0^oC turns to ice.

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Tags

NGSS.HS-PS3-4

Which is the correct heating/cooling curve for the situation: A 750.0 g bottle of soda at 10^oC warms to 30^oC as it sits in the sun.

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Tags

NGSS.HS-PS3-4

Which heating/cooling curve matches: A 350.0 g ice cube in the freezer at -10^oC warms to -5^oC

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Tags

NGSS.HS-PS3-4

How many joules are in 5.44 kJ?

• 0.544 J

• 0.00544 J

• 544 J

• 5440 J

If a 35.0 g ice cube at 0 ^oC melts into water at the same temperature, how much heat was absorbed?

• 0.00 J

• 79100 J

• 146 J

• 11700 J

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1

When 500.0 g of water is cooled from 75.0^oC to 25.0^oC, how much heat is transferred and in which direction?

• 157 kJ (absorbed)

• -157 kJ (released)

• 104 kJ (absorbed)

• -104 kJ (released)

Tags

NGSS.HS-PS3-4

When 1.50 g of water vapor condenses into liquid water, how much heat is transferred due to the phase change?

• 3390 J

• 627 J

• -3390 J

• -501 J

Tags

NGSS.HS-PS3-4

How much heat is needed to cause 65.0 g of liquid water at 100^oC to be converted to steam at the same temperature? give your answer in kJ with 3 significant figures

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-1