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aev [14]
3 years ago
9

7) Why are fuel cells considered a "clean" energy source? *

Chemistry
1 answer:
Talja [164]3 years ago
6 0
Hydrogen can be considered as a clean energy carrier similar to electricity. Hydrogen can be produced from various domestic resources such as renewable energy. ... Power generation,a hydrogen fuel cell generates electricity and gives off heat and water.
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How many milliliters of 0.183 m hcl would be required to titrate 5.93 g koh?
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  Molar mass:
KOH = 56.0 g/mol

Number of moles of KOH :

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<span>KOH + HCl = KCl + H₂O 
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1 mole KOH --------------> 1 mole  HCl
0.1624 moles KOH ----> ?

moles HCl = 0.1624 x 1 / 1

= 0.1624 moles of HCl

V ( HCl ) = moles / molarity

V(HCl) = 0.1624 / 0.183

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yaroslaw [1]

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According to periodic trends, which element would have more valence electrons than oxygen?
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