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lara [203]
3 years ago
12

A cylinder with a piston is full of gas which of the following actions would result in an increase in the pressure of the gas be

low the piston? Assume that all the other properties of the gas remain constant

Chemistry
1 answer:
SpyIntel [72]3 years ago
7 0
The answer is B. Decreasing the cylinder volume decreases the amount of space the gas has to occupy there for increasing pressure
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Nickel contains more atoms
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Henry divides 1.060g by 1.0mlbto find the density of his water sample. How many significant figures should he include in the den
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A compound containing chromium, Cr; chlorine, Cl; and oxygen, O, is analyzed and found to be 33.6% chromium, 45.8% chlorine, and
Assoli18 [71]

Answer

The empirical formula is CrO₂Cl₂

Explanation:

Empirical formula is the simplest whole number ratio of an atom present in a compound.

The compound contain, Chromium=33.6%

                                         Chlorine=45.8%

                                          Oxygen=20.6%

And the molar mass of Chromium(Cr)=51.996 g mol.

                 Chlorine containing molar mass (Cl)= 35.45    g mol.

                 Oxygen containing molar mass (O)=15.999  g mol.

Step-1

 Then,we will get,

Cr=\frac{1}{51.996} \times33.6=0.64 mol

Cl= \frac{1}{35.45} \times45.8=1.29 mol.

O=\frac{1}{15.99} \times=1.28 mol.

Step-2

Divide the mole value with the smallest number of mole, we will get,

Cr= \frac{0.64}{0.64} =1

Cl= \frac{1.29}{0.64} =2

O= \frac{1.28}{0.64} =2

Then, the empirical formula of the compound is CrO₂Cl₂ (Chromyl chloride)

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