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defon
3 years ago
7

The volume of a 76.52 g sample of methane gas is 32.7 L at 26.9 °C and 4.45 atm. What will its volume be at 95.4 °C and 1.7 atm?

​
Chemistry
1 answer:
harkovskaia [24]3 years ago
5 0

Answer:

The volume of a 76.52 g sample of methane gas is

32.7 L at 26.9 °C and 4.45 atm. What will its volume be at 95.4 °C and 1.7 atm?

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When a substance undergoes a Chemical Change, can the change be reversed? Explain your answer.​
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Answer:When a substance undergoes a chemical change some of the chemical changes can be reversed with a chemical change.

Explanation:

A chemical change changes all of the element but some chemical changes but very few can be changed back to its original substance only with a chemical change.

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Chelsi has talked to her artist friends about how much money they earn each year from working in the arts. She gathers these val
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Answer:

The median would be 6700

Explanation:

Arrange data values from lowest to highest value

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Ordering a data set x1 ≤ x2 ≤ x3 ≤ ... ≤ xn from lowest to highest value, the median x˜ is the data point separating the upper half of the data values from the lower half.

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3 years ago
What kind of ions do acids release when dissolved in water?
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Virtually all acids release hydrogen ions (or protons) in the water
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3 years ago
For the following reaction, 22.9 grams of nitrogen monoxide are allowed to react with 5.80 grams of hydrogen gas. nitrogen monox
ololo11 [35]

Answer:

1) Maximun ammount of nitrogen gas: m_{N2}=10.682 g N_2

2) Limiting reagent: NO

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Explanation:

<u>The reaction </u>

2 NO (g) + 2 H_2 (g) \longrightarrow N_2 (g) + 2 H_2O (g)

Moles of nitrogen monoxide

Molecular weight: M_{NO}=30 g/mol

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n_{H2}=\frac{m_{H2}}{M_{H2}}

n_{H2}=\frac{.5.8 g}{2 g/mol}=2.9 mol

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m_{N2}=0.763 mol NO* \frac{1 mol N_2}{2 mol NO}*\frac{28 g N_2}{mol N_2}

m_{N2}=10.682 g N_2

2) <u>Limiting reagent</u>: NO

3) <u>Ammount of excess reagent</u>:

m_{N2}=(2.9 mol - 0.763 mol NO* \frac{1 mol H_2}{1 mol NO})*\frac{2 g H_2}{mol H_2}

m_{N2}=4.274 g

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3 years ago
A physical change _____ change the composition or identity of the substance. will will not 2. An example of a physical change is
Sav [38]

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not sure

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