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Art [367]
4 years ago
9

All atoms of the same element have the same

Chemistry
1 answer:
Lemur [1.5K]4 years ago
4 0

Answer: all atoms of the same element have the same atomic number.

Explanation:

atomic mass differentiates them, which is the same as the mass number.

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3 years ago
A 0.100 mile sample of gas is at a temperature of 85.0 degrees C and a volume of 3.47 L. What is the pressure of the gas( in mm
vladimir1956 [14]

Answer: 64.6 mmHg

Explanation:

Given that:

Volume of gas V = 3.47L

(since 1 liter = 1dm3

3.47L = 3.47dm3)

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Convert Celsius to Kelvin

(85.0°C + 273 = 358K)

Pressure P = ?

Number of moles of gas N = 0.100 mole

Note that Molar gas constant R is a constant with a value of 0.0082 ATM dm3 K-1 mol-1

Then, apply ideal gas equation

pV = nRT

p x 3.47dm3 = 0.10 x (0.0082 atm dm3 K-1 mol-1 x 358K)

p x 3.47dm3 = 0.29 atm dm3

p = (0.29 atm dm3 / 3.47 dm3)

p = 0.085 atm

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0.085atm = 0.085 x 760

= 64.6 mm Hg

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6 0
4 years ago
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