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Alex Ar [27]
3 years ago
7

PLEASE HELP URGENT WILL GOVE BRANLIEST WITH EXPLANATION

Chemistry
1 answer:
Ymorist [56]3 years ago
6 0

Answer:

no because it already had it in there and it exploded by a fuse

Explanation:

Hope this helps?? :))

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What is largest value for the third quantum number
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Answer:

18.

Explanation:

3s^2 3p^6 d^10

4 0
2 years ago
An ideal gas contained in a piston-cylinder assembly is compressed isothermally in an internally reversible process.
Tju [1.3M]

Answer:

a) \Delta S

b) entropy of the sistem equal to a), entropy of the universe grater than a).

Explanation:

a) The change of entropy for a reversible process:

\delta S=\frac{\delta Q}{T}

\Delta S=\frac{Q}{T}

The energy balance:

\delta U=[tex]\delta Q- \delta W

If the process is isothermical the U doesn't change:

0=[tex]\delta Q- \delta W

\delta Q= \delta W

Q= W

The work:

W=\int_{V1}^{V2}P*dV

If it is an ideal gas:

P=\frac{n*R*T}{V}

W=\int_{V1}^{V2}\frac{n*R*T}{V}*dV

Solving:

W=n*R*T*ln(V2/V1)

Replacing:

\Delta S=\frac{n*R*T*ln(V2/V1)}{T}

\Delta S=n*R*ln(V2/V1)}

Given that it's a compression: V2<V1 and ln(V2/V1)<0. So:

\Delta S

b) The entropy change of the sistem will be equal to the calculated in a), but the change of entropy of the universe will be 0 in a) (reversible process) and in b) has to be positive given that it is an irreversible process.

7 0
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Only 11% of all the energy used in the US comes from a renewable source. Why is this a<br> problem?
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In which of these statements are protons, electrons, and neutrons correctly compared?
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the second statement is the correct one quarks are needed to balance charges in all subatomic particles such as neutrons, protons and electrons

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In 1665 Sir Isaac Newton proposed the fundamental law of gravitation as a universal force of attraction between any two bodies.
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B. They are the same force. Each body acts on the other. The moon and the earth, and the apple and the earth.

8 0
3 years ago
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