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ValentinkaMS [17]
3 years ago
9

Someone sprays perfume in another room. It can be smelled a few minutes later.

Chemistry
2 answers:
Mandarinka [93]3 years ago
8 0
I think the answer is B or C I know it is one of those

garri49 [273]3 years ago
6 0
The answer is active transport

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How much energy is required to vaporize 0.5kg of water?
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Answer:

Explanation:

Vaporization Equation => Q = m·ΔHv

m = 0.5Kg water = 500g water

ΔHv = Heat of vaporization = 540 calories/gram

∴Q = 500g x 540cal/g = 270,000 calories x 4.184 joules/cal = 1,129,680 joules = 1130 Kilojoules (3 sig. figs.)

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does the nitro group on the pyridine ring make the ring more electron rich or more electron deficient
Arte-miy333 [17]

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more electron deficient

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Hence, the nitro group makes the pyrinde ring more electron deficient

3 0
2 years ago
(pls help)
WITCHER [35]
Anthony’s because it explains way more
8 0
1 year ago
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C

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