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N76 [4]
3 years ago
14

Express the following in regular notation:

Chemistry
1 answer:
dusya [7]3 years ago
8 0
A because if you multiple it, you will be moving the decimal one time
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A gas is contained in a thick-walled balloon. When the pressure changes from 45.0 bar to 96.0 bar, the volume changes from 1.20
notsponge [240]

P1 * V1 ÷ T1 = P2 * V2 ÷ T2  

45 * 1.20 ÷ 314 = 96 * V2 ÷ 420  

30,144 * V2 = 22,680  

V2 = 22,680 ÷ 30,144  

The new volume is approximately 0.75 liter.

I hope I helped

5 0
3 years ago
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What is 2.75 mol of O2
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Answer:

2,75 mol of O2 it's 88 g of O2.

Explanation:

The weight of the diatomic molecule O2 is 32 g/mol. So considering that, you should multiply 2,75 mol · 32 = 88g :)

3 0
2 years ago
What is the percent composition of a solution in which 480 grams of sodium chloride, NaCl, is dissolved in 4 liters of solution.
ZanzabumX [31]
 12% NaCl is the answer I came to... Have a GREAT day!!! :)

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3 years ago
Atoms and the chemical bonds that connect them cannot be observed with your eyes, so it is necessary to use a
Lera25 [3.4K]

Answer: d. both (b) and (c)

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Atoms are too small to be seen on microscopes, so we model them based on theories.

3 0
2 years ago
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Answer:

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