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asambeis [7]
3 years ago
6

Help would be much appreciated, I'm being timed I'll mark brainliest !!

Chemistry
1 answer:
leva [86]3 years ago
6 0

Answer:

I think its 16 hope it helps

Explanation:

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Study the scenario. The particles in a system are moving around very slowly. A few minutes later, the particles are moving, on a
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The average kinetic energy of the system has increased as a result of the temperature increasing.

Explanation:

Assuming this is a gas based on the framing.

The molecules of a gas span a distribution of speeds, and the average kinetic energy of the molecules is directly proportional to the absolute temperature of the sample. KEavg is proportional to T.

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Which feature does an iron metal have?
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A feature that an iron metal has is a sea of electrons
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For each row in the table below, decide whether the pair of elements will form a molecular or ionic compound. If they will, then
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\begin{array}{cccll}\textbf{Element 1} & \textbf{ Element 2} &\textbf{Compound?} &\textbf{Formula} &\textbf{Type}\\\text{Ar}&\text{Xe} &\text{No} &\text{None}&\text{Neither}\\\text{F}& \text{Cs} &\text{Yes} &\text{CsF} &\text{Ionic}\\\text{N} &\text{Br} &\text{Yes} & \text{NBr}_{3}&\text{molecular} \\\end{array}

Explanation:

You look at the type of atom and their electronegativity difference.

If ΔEN <1.6, covalent; if ΔEN >1.6, ionic

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