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winterblanco
24.04.2021 •
Chemistry
PLS HELP ASAP. list 5 chemicals that contribute to ozone layer depletion?
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Ответ:
chlorofluorocarbons (CFCs)
halon.
carbon tetrachloride (CCl4)
methyl chloroform (CH3CCl3)
hydrobromofluorocarbons (HBFCs)
hydrochlorofluorocarbons (HCFCs)
methyl bromide (CH3Br)
bromochloromethane (CH2BrCl)
Explanation:
BRAINLIEST pls
Ответ:
Chemical reaction: CH₄ + 2O₂ → CO₂ + 2H₂O.
m(CH₄) = 29,5 g.
M(CH₄) = 1·12 g/mol + 4·1 g/mol = 16 g/mol.
n(CH₄) = m(CH₄) ÷ M(CH₄).
n(CH₄) = 29,5 g ÷ 16 g/mol
n(CH₄) = 1,84 mol.
from reaction: n(CH₄) = n(CO₂).
n(CO₂) = 1,84 mol.
m(CO₂) = 1,84 mol · 44 ··/mol.
m(CO₂) = 81 g.
n - amount of substance.