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FrozenT [24]
2 years ago
10

ANSWER ASAP PLEASE

Chemistry
1 answer:
gayaneshka [121]2 years ago
8 0

Answer:

Explanation:

1-False

2-true

3-false

4-false

5-true

what is this..a murder scene?? Lolol

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I think it's A

Explanation:

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How many kilocalories are needed to vaporize 5.8 mol of Br2
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The atomic mass of gallium is 69.72 . The density of iron is 7.87 . The atomic mass of iron is 55.847 . Calculate the number of
laiz [17]

Answer:

the atomic mass of any elemet contains avogardo numberof atoms

In case of Gallium,

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but, 2000 punds = 907184.7 grams

907184.7 gram of gallium contains= 6.023*10^23* 907184/69.72

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Explanation:

8 0
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gavmur [86]

Answer:

100 j

Explanation:

bascially u j subtract 50 from 150 because the system lost 50 j but theres 150 in its surroundings

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2 years ago
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