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Simora [160]
4 years ago
6

Hydrogen fuel cells burn with _______ and produce _______.

Chemistry
2 answers:
goldfiish [28.3K]4 years ago
4 0

The correct option is B.

Hydrogen fuel cell burns with OXYGEN and produce WATER.

Hydrogen fuel cell is an electro-chemical cell that make use of hydrogen and oxygen to produce electricity. Heat and water are given off as the by products of the reaction. The device convert chemical energy that is stored in molecular bonds to electrical energy. Fuel cells require continuous supply of hydrogen and oxygen to sustain the chemical reactions in the cell.

nignag [31]4 years ago
3 0
Hydrogen burns with oxygen as in combustion reaction to form water.
H₂ + O₂ →  H₂O
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Burning Fossil Fuels

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Read 2 more answers
Calculate the volume(in L), at STP, of carbon dioxide produced by the complete combustion of 6.75 lbs of charcoal.
gtnhenbr [62]

535.8 L volume(in L), at STP, of carbon dioxide produced by the complete combustion of 6.75 lbs of charcoal.

<h3>What is an ideal gas equation?</h3>

The ideal gas law (PV = nRT) relates the macroscopic properties of ideal gases. An ideal gas is a gas in which the particles (a) do not attract or repel one another and (b) take up no space (have no volume).

Given:

C(s) + O_2(g) ⇒CO_2(g)

1 mole of CO_2(g) is formed from 1 mole of charcoal, that means 1 mole of CO_2(g) is formed from 12 g of charcoal.

1 lbs = 453.592 grams

6.75 lbs = 6.75 x 453.592 =3061.746g

So, CO_2(g) formed from 3061.746g of charcoal is:

=\frac{1}{12} x 3061.746g

=255.14 mol.

Now, at STP, the volume of 1 mol of gas =22.4 L

Volume of 255.14 mol of CO_2(g) = 255.14 x 22.4 L

Volume of 255.14 mol of CO_2(g) = 535.8 L

Hence, 535.8 L volume(in L), at STP, of carbon dioxide produced by the complete combustion of 6.75 lbs of charcoal.

Learn more about the ideal gas here:

brainly.com/question/27691721

#SPJ1

3 0
2 years ago
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