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Chemistry

Vincent Hilpert ∙

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∙ 2y ago

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Term1/4

A mole is objects

Definition1/4

6.022x10^23

It doesn't seem right but it is, i missed the question because i didn't put this.

Term1/4

At 25oC three moles of a gas occupy a volume of 4.0 L at 1.9 kPa If the volume decreases to 2.0 L what will the new pressure be

Definition1/4

3.8 kPa

Term1/4

Which of the four thermal processes describes the pressure volume relationship at a constant temperature

Definition1/4

Boyle's Law

PV=K or P1V1=P2V2

Term1/4

If the boats engine has a heat input of 40000 J with 30000 J exhausted into the surroundings the heat sink what is its efficiency

Definition1/4

efficiency = output/input

therefore, in above case it is 3/4= 0.75

or 75%.

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Cards in this guide (4)

A mole is objects

6.022x10^23

It doesn't seem right but it is, i missed the question because i didn't put this.

At 25oC three moles of a gas occupy a volume of 4.0 L at 1.9 kPa If the volume decreases to 2.0 L what will the new pressure be

3.8 kPa

Which of the four thermal processes describes the pressure volume relationship at a constant temperature

Boyle's Law

PV=K or P1V1=P2V2

If the boats engine has a heat input of 40000 J with 30000 J exhausted into the surroundings the heat sink what is its efficiency

efficiency = output/input

therefore, in above case it is 3/4= 0.75

or 75%.

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Rate this Study Guide:

Chemistry

A mole is objects

At 25oC three moles of a gas occupy a volume of 4.0 L at 1.9 kPa If the volume decreases to 2.0 L what will the new pressure be

Which of the four thermal processes describes the pressure volume relationship at a constant temperature

If the boats engine has a heat input of 40000 J with 30000 J exhausted into the surroundings the heat sink what is its efficiency

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How does a gas do work

A mole is objects

If 800 joules of heat are added to a gas in an isochoric process what is the change in its internal energy

Which item requires the least energy to increase its temperature lounge chair sand or water Explain your answer in terms of this item's specific heat

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