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inessss [21]
3 years ago
14

The closer an object is to the center of earth the ------------------ the gravitational force on that object

Chemistry
1 answer:
Daniel [21]3 years ago
6 0

Answer:

Greater

Explanation:

According to the law of universal gravitation, the force of gravitation is directly proportional to the product of the masses of the two objects and INDIRECTLY proportional to the square of the distance. In short, the bigger the masses, the stronger the gravitational force, the lesser the distance between the two objects, the greater the gravitational force.

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Use the following equation to answer the questions below:
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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;

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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

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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

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From the equation;

1 mol of H2 is produced alongside 1 mol of BeCl2

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

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

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3 years ago
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What properties can be used to identify substance and why?
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Answer:

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