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Anna11 [10]
3 years ago
5

It has more protons than Cl but less than K

Chemistry
1 answer:
timama [110]3 years ago
8 0

Answer: Argon (Ar), which has 18 protons.

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A cylinder and piston assembly (defined as the system) is warmed by an external flame. The contents of the cylinder expand, doin
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Answer:

ΔE = 73 J

Explanation:

By the first law of thermodynamics, the energy in the system must conserved:

ΔE = Q - W

Where ΔE is the internal energy, Q is the heat flow (positive if it's absorbed by the system, and negative if the system loses heat), and W is the work (positive if the system is expanding, and negative if the system is compressing).

So, Q = + 551 J, and W = + 478 J

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Explanation:

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Explore: Arrange the matter
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Explain why the molar ratio is needed to determine the theoretical mass ratios.
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The overview of the subject is outlined underneath in the summary tab.

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