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storchak [24]
3 years ago
10

The weight of Patterson on the moon will be ..... This is 6th grade science by the way

Chemistry
1 answer:
Anestetic [448]3 years ago
7 0

Answer:The weight of Patterson on the moon would be less.

Explanation: It would be less because the moon has more mass.

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3 0
3 years ago
Consider the chemical equation for the production of water: 2 H2+O2→2 H2O. If 100 grams of oxygen gas are used, what would the p
Cerrena [4.2K]

Answer:

The percentage yield of water is 66.67%.

Explanation:

2H_2+O_2\rightarrow 2H_2O

Mass of oxygen gas = 100 g

Moles of oxygen gas = \frac{100 g}{32 g/mol}=3.125 mol

According to reaction, 1 mole of oxygen gives 2 moles of water, then 3.125 moles of oxygen will give:

\frac{2}{1}\times 3.125 mol=6.25 mol

Mass of 6.25 moles of water :

6.25 mol × 18 g/mol = 112.5 g

Theoretical yield of water = 112.5 g

Experimental yield of water = 75 g

Percentage yield :

=\frac{\text{Experimental yield}}{\text{Theoretical yield}}\times 100

=\frac{75 g}{112.5 g}\times 100=66.67\%

The percentage yield of water is 66.67%.

4 0
3 years ago
Choose all the answers that apply.
agasfer [191]

Answer:

hydrogen are converted into energy I dont know other

7 0
2 years ago
One property of metals is that they are: insulators brittle malleable none of these are properties of metals
wel
Metals are insulators and malleable. Hope this helps even though I'm late :)
6 0
2 years ago
Identify the acid, base, conjugate acid and conjugate base in the following reactions:
Leni [432]

Answer:

a. NH₃ : base

CH₃COOH (acetic acid) : acid

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CH₃COO⁻ : conjugate base

b. HClO₄ (perchloric acid) : acid

NH₃ : base

ClO₄⁻ : conjugate base

NH₄⁺ : conjugate acid

Hope this helps.

4 0
3 years ago
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