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TiliK225 [7]
3 years ago
13

Describe how naturally acidic rainwater can affect a mountain of limestone.

Chemistry
1 answer:
Hitman42 [59]3 years ago
6 0
The naturally acidic rainwater will erode the limestone mountin over time
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identify a happiness chemical and at least one activity you can do to increase this chemical in your brain.​
matrenka [14]

Answer:

Dopamine

Explanation:

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4 years ago
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How many molecules make up 12.8g of N2O4​
strojnjashka [21]

Answer:

8.35 × 10 ²² molecules

Explanation:

gram molecular weight of N2O4

= 2 × 14 + 4 × 16

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1 mole N2O4 has 6 × 10²³ molecules of N2O4 and weighs 92g

therfore,

92 g has = 6 × 10²³ molecules

12.8 g has =

\frac{6 \times 10 {}^{23}}{92}  \times 12.8

= 0.835 × 10²³

=<u> 8.35 × 10 ²² molecules</u>

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3 years ago
Which of the following statements is correct?
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3 years ago
Name of the mixture which can be separated by distillation.<br>Please help ​
ziro4ka [17]

Answer:

Liquid from nonvolatile solids can be separated by distillation .

I HOPE IT WILL HELP YOU.

^ - ^

8 0
3 years ago
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HELPPP<br><br> The sum of percentage compositions must equal to 100 ±0.1.<br><br> True<br> False
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Answer:

True

Explanation:

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