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Chemistry, 23.04.2020 20:40 brittanysanders

A block of iron is heated from 22oC to 78oC. The mass of the block is 150 g. How much thermal energy must be added to the block of iron?

How much thermal energy is needed to raise the temperature of 25 g of silver from 45oC up to 80oC?

What is the mass of a block of brass that requires 1000 J of thermal energy to raise its temperature from 50oC to 60oC?

If 5000 J of thermal energy was added to a 950 g block of copper at 45oC. What is the new temperature of the block of copper?

A block of aluminum that requires 2000 J of thermal energy to raise its temperature from room temperature to 75oC. What is the mass of the block of aluminum?

How much heat is needed to raise the temperature of 50.0 g of ice from -24.5oC to 0.0oC?

How much heat must be added to 150.0 g of lead at 25 oC to raise its temperature to 125oC?

A 500 g block of metal absorbs 5016 J of heat when its temperature changes from 20.0oC to 30.0oC. Calculate the specific heat of the metal.

A copper wire has a mass of 165 g. An electric current runs through the wire for a short time and its temperature rises from 21oC to 39oC. How much heat energy is converted by the electric current?

A 100 g mass of tungsten at 100.0oC is allowed to cool to 21.6oC after losing 1337.6 J of heat. Calculate the specific heat of tungsten.


A block of iron is heated from 22oC to 78oC. The mass of the block is 150 g. How much thermal energy

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