3 years ago

How many grams of hydrogen are produced when 125 g of iron reacts with 125 g of water?

Chemistry

1 answer:

Makovka662 [10]3 years ago

4 0

13.89g hope this helps!

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Ions of an element (elements with different charges) contain different numbers of what

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Answer:

an ion is an element that has different numbers of protons and electrons

Explanation:

An ion is positive when it has more protons than electrons and negative when it has more electrons than ions.

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DNA is a nucleic acid made of building blocks called nucleotides.

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Read 2 more answers

What is the preasure in atmospheres of 20 mol of nitrogen gas in 36.2 L cylinder at 25 degrees C?

Savatey [412]

Answer:

P = 13.5 atm

Explanation:

Given that

No. of moles, n = 20 moles

Volume of nitrogen gas = 36.2 L

Temperature = 25°C = 298 K

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PV = nRT

Where

R is gas constant, $R=0.082057\ L-atm/K-mol$

So,

$P=\dfrac{nRT}{V}\\\\P=\dfrac{20\times 0.082057\times 298}{36.2 }\\\\P=13.5\ atm$

so, the pressure of the gas is equal to 13.5 atm.

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2 years ago

Hydrogen is a pure substance represented by the chemical symbol H. Which of the following best describes hydrogen?

Soloha48 [4]

Answer:

B is the answer

Explanation:

Because it a molecular mass of one

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3 years ago