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lys-0071 [83]
3 years ago
8

Which of the following are potential benefits of wind turbines? (may be more than one answer)

Chemistry
1 answer:
Inga [223]3 years ago
7 0
All except for C. And it's good for the environment.
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Which of the following most likely happens when the number of particles of a gas decreases?
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Answer: C. The number of collisions of gas particles decreases

Explanation: As temperature decreases so does everything else same with increase.

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2 years ago
Use the following equation to answer the questions below:
Gala2k [10]

Explanation:

The equation of the reaction is given as;

Be + 2HCl → BeCl2 + H2

What is the mass of beryllium required to produce 25.0g of beryllium chloride?

1 mol of Be produces 1 mol of BeCl2

Converting to mass;

Mass = Molar mass  *  Number of moles

9.01g of Be produces 79.92g of BeCl2

xg of Be produces 25g of BeCl2

Solving for x;

x = 25 * 9.01 / 79.92

x = 2.82 g

What is the mass of hydrochloric acid required to produce 25.0g of beryllium chloride? g

Converting 25.0g of beryllium chloride to moles;

Number of moles = Mass / Molar mass

Number of moles = 25 / 79.92 = 0.3128 mol

2 mol of HCl produces 1 mol of BeCl2

x mol of HCl would produce 0.3128 mol of BeCl2

solving for x;

x = 0.3128 * 2 = 0.6256 mol

Converting to mass;

Mass = 0.6256 * 36.5 = 22.83 g

What is the mass of hydrogen gas produced when 25.0g of beryllium chloride is also produced? g

25g of BeCl2 = 0.3128 mol of BeCl2

From the equation;

1 mol of H2 is produced alongside 1 mol of BeCl2

This means;

0.3128 mol of H2 would also be produced alongside 0.3128 mol of BeCl2

Mass = Number of moles * Molar mass

Mass = 0.3128mol * 2.0159 g/mol = 0.6306 g

3 0
3 years ago
What do we assume about the volume of the actual molecules themselves in a sample of gas, compared to the bulk volume of the gas
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We assume that the volume of the molecules themselves in a gas sample is negligible compared to the bulk volume of the gas sample: this helps us to explain why gases are so compressible.

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Science does not include<br><br> beliefs or opinions<br> theories<br> laws<br> conclusions
denpristay [2]
Beliefs or opinions
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At a temperature of 500 kelvins, 6 liters of an ideal gas had a pressure of 300 newtons
mr Goodwill [35]

Answer A

Explanation:

6 0
3 years ago
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