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3 years ago

PLEASE HELP <3

1 answer:

8 0

In order for carbon to be stable and have 8 electrons, it must make 4 total covalent bonds.

In prefer for oxygen to be stable and have 8 electrons, it must make 2 covalent bonds.

So, we can deduce that CO2 looks like this:

O=C=O

This molecule has two double bonds.

Pssst...Can I get a brainliest?

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Answer:

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a) The change of entropy for a reversible process:

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

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

Solving:

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

Replacing:

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

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

$\Delta S$

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3 years ago

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So solving for time t:

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t = 13,235.51 years

So the human died about 13235.5 years ago

3 0

3 years ago