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Dahasolnce [82]
3 years ago
7

What is an important characteristic for chemicals released into the environment used to seed clouds?

Chemistry
1 answer:
olchik [2.2K]3 years ago
5 0

Answer:

the rain

Explanation:

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The answer to this question is A
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A eudiometer contains a 65.0 ml sample of a gas collected
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Answer:

53.1 mL

Explanation:

Let's assume an ideal gas, and at the Standard Temperature and Pressure are equal to 273 K and 101.325 kPa.

For the ideal gas law:

P1*V1/T1 = P2*V2/T2

Where P is the pressure, V is the volume, T is temperature, 1 is the initial state and 2 the final state.

At the eudiometer, there is a mixture between the gas and the water vapor, thus, the total pressure is the sum of the partial pressure of the components. The pressure of the gas is:

P1 = 92.5 - 2.8 = 89.7 kPa

T1 = 23°C + 273 = 296 K

89.7*65/296 = 101.325*V2/273

101.325V2 = 5377.45

V2 = 53.1 mL

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4 years ago
What is the mass of 0.513 mol Al2O3? Give your answer to the correct number of significant figures. (Molar mass of Al2O3 = 102.0
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.513mol x (102g/1mol)

Essentially, this is .513 x 102
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But because you can only have 3 significant figures, your answer is:
52.3 grams

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