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gogolik [260]
3 years ago
14

An atom is made up of which of the following?

Physics
2 answers:
mamaluj [8]3 years ago
6 0

Answer:

B electrons protons and neutrons

hope i helped...

Explanation:

zloy xaker [14]3 years ago
6 0
The answer is B. Electrons, protons and neutrons
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A block and tackle is used to lift an automobile engine that weighs 1800 N. The person exerts a force of 300 N to lift the engin
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Answer:

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3 years ago
20 cubic inches of a gas with an absolute pressure of 5 psi is compressed until its pressure reaches 10 psi. What's the new volu
Anna71 [15]

Answer:

B. V_{f}= 10\,cubic\,inches

Explanation:

Assuming we are dealing with a perfect gas, we should use the perfect gas equation:

PV=nRT

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P_{i}V_{i}=n_{i}RT_{i} (1)

P_{f}V_{f}=n_{f}RT_{f} (2)

Assuming the temperature and the number of moles remain constant (number of moles remain constant if we don't have a leak of gas) we should equate equations (1) and (2) because T_{i}=T_{f}, n_{i}=n_{f} and R is an universal constant:

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V_{f}= 10 cubic\,inches

6 0
3 years ago
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