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ddd [48]
3 years ago
13

Obsidian _____.

Chemistry
2 answers:
Romashka-Z-Leto [24]3 years ago
6 0

Answer:

has large mineral crystals

Alika [10]3 years ago
6 0

Answer:

Cools Very Quickly

Explanation:

This is the right answer!

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CaCl2 can be melted to produce calcium metal and give off chlorine gas. The equation for this is CaCl2(l) Ca(s) + Cl2(g). If 277
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Answer:

82g

Explanation:

CaCl2 : Ca 111g : 40g

227.45 : xg

xg= (40×227.5)/111

4 0
3 years ago
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PLEASE HELP :"( DUE NOW!!
Citrus2011 [14]

Answer:

The correct answer is  

[CH4][H2O]/[CO][H2]3

Option 3 is correct

Explanation:

Step 1: Data given

For the equation aA + bB ⇆ cC + dD

The equilibrium constant is [C]^c * [D]^d / [A]^a*[B]^b

Step 2: Calculate the equilibrium constant Kc

CO+3H2⇌CH4+H2O

Kc = [H2O][CH4] / [CO][H2]³

The correct answer is  

[CH4][H2O]/[CO][H2]3

Option 3 is correct

5 0
4 years ago
Please HURRY i need help !!!!!!
vampirchik [111]

Answer:

nitrogen

Explanation:

Nitrogen, in cans of Guinness stout (to give it that distinctive head) and in fire suppression systems.

6 0
3 years ago
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(3.605 X 10^-27) + (4.01 X 10^-25)<br> Answer in scientific notation
Greeley [361]
The answer is 4.04605 X 10^-25
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3 years ago
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Veseljchak [2.6K]

Answer: last one

Explanation:

5 0
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