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s2008m [1.1K]
3 years ago
15

Why is chemistry important? i need 2 paragraph please

Chemistry
1 answer:
Sergio [31]3 years ago
6 0
It is important because 1 plus one is 2 and 2 plus 2 is 4
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Given the following balanced equation determine the amount of MgCl2 that can be produced from 65.0 grams of Mg. Mg + HCl -->
DedPeter [7]

Answer:

Mg + HCL --> MgCl2 + H2

mass 65.0 mass 257.26

RFM 24 RFM 95

moles 2.708 moles 2.708

Explanation:

mass of MgCl = 257.26 grams

4 0
3 years ago
Which of the following is not equal 225 g?
vekshin1
G to dkg is 1 place to the right, move the decimal point 1 place to the left 
<span>225 g = 22.5 dkg 
C is the answer</span>
3 0
3 years ago
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All atomic nuclei, except those of ordinary hydrogen, contain neutrons. <br> a. True<br> b. False
ozzi
This would be false
4 0
3 years ago
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¿Cuál era su juego favorito cuando eran niños?​
blagie [28]

Answer:

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Explanation:

7 0
3 years ago
A sample has a pH of -0.248 (yes, it really is possible to have a negative pH). Find
dalvyx [7]

Answer:

pOH= 14.248

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[OH-]=5.65 x10^-15M

Explanation:

pH+pOH= 14

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pOH= 14.248

[H+]=10^-pH= 10^-(-0.248)=1.77 M

[OH-]=10^-pOH= 10^-14.248=5.65 x10^-15M

5 0
3 years ago
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