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Len [333]
4 years ago
5

When heating test tubes, always slant them away from yourself and others. True False

Chemistry
1 answer:
Leni [432]4 years ago
3 0

Answer:

true

Explanation:

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calculate the volume occupied by 10g of propane gas, under normal conditions of temperature and pressure
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5.5 L

Explanation:

First we <u>convert 10 g of propane gas</u> (C₃H₈) to moles, using its <em>molar mass</em>:

  • 10 g ÷ 44 g/mol = 0.23 mol

Then we <u>use the PV=nRT formula</u>, where:

  • P = 1 atm & T = 293 K (This are normal conditions of T and P)
  • n = 0.23 mol
  • R = 0.082 atm·L·mol⁻¹·K⁻¹
  • V = ?

1 atm * V = 0.23 mol * 0.082 atm·L·mol⁻¹·K⁻¹ * 293 K

  • V = 5.5 L
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