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Olin [163]
3 years ago
15

What makes bullet holes wider on the exit side of a piece of glass?

Chemistry
2 answers:
denpristay [2]3 years ago
6 0
The rounded shape of the bullet because as it goes through the glass it stops spinning and this make the hole wider
il63 [147K]3 years ago
6 0

Answer:

The correct answer is "The arc, or trajectory, of the bullets path".

Explanation:

During forensic examination, glass fracture analysis helps to understand the position of the attacker by analyzing how a bullet penetrated the glass. One way to understand this is by seeing where the bullet holes are narrower. Usually, bullet holes wider on the exit side of a piece of glass, which is explained by the arc, or trajectory, of the bullets path. Therefore the narrower site of the hole indicates the position at which the bullet entered the glass, and the wider site indicates the position at which the bullet exit the glass.

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storchak [24]

Answer:

d. To the left because Q > K_p

Explanation:

Hello,

In this case, for the given reaction:

CaCO_3(s) \rightarrow CaO(s) + CO_2(g)

The pressure-based equilibrium expression is:

Kp=p_{CO_2}

In such a way, since Kp is given we rather compute the reaction quotient at the specificed pressure of carbon dioxide as shown below:

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Therefore, since Q>Kp we can see that there are more products than reactants, which means that the reaction must shift leftwards towards the reactants in order to reestablish equilibrium, thus, answer is d. To the left because Q > Kp.

Regards.

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3 years ago
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Explanation:

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Hope this answers the question. Have a nice day.
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