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Licemer1 [7]
3 years ago
12

Read the chemical equation.

Chemistry
1 answer:
WARRIOR [948]3 years ago
3 0

Answer:

One mole of water was produced from this reaction.

Explanation:

According to this question, the following equation is given as follows:

2H2 + O2 → 2H2O

Two (2) moles of hydrogen gas produces two (2) moles of water in this balanced chemical equation.

If 1 mole of hydrogen gas was used, then:

1 × 2/2 moles of water would be produced

1 mole of water would be produced.

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2 Al + 3 H2SO4 --> Al2(SO4)3 + 3 H2 If you have 7.6 moles of Al, then how many moles of H2SO4 will be needed to react complet
Lelechka [254]

Answer:

11.4 moles of H₂SO₄ are needed to completely react the 7.6 moles of Al

Explanation:

The equation indicates that 2 moles of aluminum react to 3 moles of sulfuric acid in order to produce 1 mol of aluminum sulfate and 3 moles of hydrogen gas.

The reaction is:  2Al + 3H₂SO₄ → Al₂(SO₄)₃ + 3H₂

This question can be solved with an easy rule of three. Ratio in the reaciton is 2:3, so we propose:

2 moles of Al react with 3 moles of sulfuric acid

Then, 7.6 moles of Al will react with 11.4 moles of H₂SO₄

3 0
3 years ago
Balance this equation <br><br>Fe2O2 + C -&gt; Fe + CO2​
lidiya [134]

2 FeO + 1 C ===》2 Fe + 1 CO2

8 0
3 years ago
Read 2 more answers
The equation of which of the below scientists could be used to find the wavelength of the emission lines of the hydrogen atom:
mihalych1998 [28]

The equation that scientists could use to find the wavelength of the emission lines of the hydrogen atom would be that of Balmer.

The wavelength of the emission lines of the hydrogen atom can be derived using the Balmer series:

        1/λ  = R_H (1/4 - 1/n^2)

Where λ = wavelength, R_H = Rydberg constant, and n = level of the original orbital.

The equation becomes applicable in getting the wavelength of emitted light when electrons in hydrogen atoms transition from higher (n) orbital to lower orbital (2)  levels.

More on the Balmer series can be found here: brainly.com/question/5295294

3 0
2 years ago
What is the estimated density of the table tennis ball? Record your answer to the nearest hundredth. g/cm3 What is the estimated
andre [41]

Answer: Tennis ball 0.07, Golf ball 1.37

Explanation: just had this question

8 0
3 years ago
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How many moles are in 5.7 Liters of carbon monoxide?
Sveta_85 [38]

Answer:

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Explanation:

8 0
2 years ago
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