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Katarina [22]
3 years ago
9

What do you expect would happen to the pressure of the gas in a container as the volume is decreased

Chemistry
1 answer:
Over [174]3 years ago
5 0

Answer:

the pressure would increase

Explanation:

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A compound is 54.53% c, 9.15% h, and 36.32% o by mass. what is its empirical formula? the molecular mass of the compound is 132
Yakvenalex [24]
 <span>First - you need the empirical formula. 

So, assume you have 100 g of the compound. 

If so, you'll have 54.53 gram of C, 9.15 g of H and 36.32 g of O. Find the number of moles of each. 

54.53 g C (1 mole C / 12.01 g C) = 4.540 

9.15 g H (1 mole H / 1.008 g H) = 9.077 

36.32 g O (1 mole O / 15.9994 g O) = 2.270 

Take the smallest number found and divide the others by it to get the empirical formula. 

4.540/2.270 = 2. 
9.077/2.270 = 4. 
2.270/2.270 =1. 

So, that gives you the empirical formula of C2H4O. 

Find the weight of this compound. C = 12, H = 1, O = 16. So, C2H4O is 44 amu. 

132/44 = 3. 

So, 3 (C2 H4 O) = C6H12O3 = molecular formula.</span>
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3 years ago
4.5x10'25 atoms of nickel equal how many moles
olga2289 [7]
1 mole of any particles = 6.02* 10²³ particles

4.5*10²⁵ atoms Ni* 1 mol Ni/6.02*10²³ Ni ≈ 74.75≈ 75 mol Ni
 
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Houses with carpet are much quieter than houses with tile or hardwood floors because of sound wave
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Greetings I am DemonicPresence, the answer would be A.
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Can someone help me with my science it’s super hard :(
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Answer: here is a description of what they look like since I cannot see the diagram.

Mitochondria- wavy line

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Cell wall- only in plant cells, looks like a box

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I sure hope this helps!!!

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