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iren [92.7K]
3 years ago
9

In a closed container with a fixed volume, when the temperature of a gas doubles, the pressure of the gas is?

Chemistry
1 answer:
kiruha [24]3 years ago
8 0
It's pressured gas and can bust

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How do the properties of elements in the same column of the periodic table compare
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The columns of the periodic table, also referred to as "groups" contain elements with similar reactive properties, due to these elements having a similar configuration of electrons in their outer shell.
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How many molecules of CF₂Cl₂ are in 45.7 grams of CF₂Cl₂? (Show work)
posledela

Answer:

The answer to your question is: 2.20 x 10 ²³ molecules

Explanation:

Data

mass = 45.7 g

molecules of CF₂Cl₂ = ?

Process

1.- Calculate the mass number of CF₂Cl₂

   C = 12    F =2 x 19    Cl = 2 x 35.5

   total = 12 + 38 + 71

   total = 121 g

2.- Use the Avogradro's number to solve the problem

                       121 g -------------------  6.023 x 10²³ molecules of CF₂Cl₂

                        45.7 g ---------------     x

                        x = (45.7 x 6.023 x 10²³) / 121

                        x = 2.75 x 10²⁵ / 121

                        x = 2.20 x 10 ²³ molecules

4 0
3 years ago
Which of the following is not found in a nucleotide?
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Amino acid is not found in a nucleotide.

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20cm³ of sulphuric acid reacts completely with excess zinc to form 0.1 mole of hydrogen gas. Calculate the molarity of the acid
VMariaS [17]

Answer:

20cm³ of sulphuric acid reacts completely with excess zinc to form 0.1 mole of hydrogen gas. Calculate the molarity of the acid used.?

Molarity= mol/volume

Molarity= 0.1/20

Molarity= 0.005mol/L

Explanation:

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Which of the following has the smallest radius?
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A has the smallest radius
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