The answer is d: Combustion, because it is the so-called combustion of methan. (Check your lesson)
The atmosphere is a envelope of gases surrounding another planet and the troposphere is the lowest part of the atmosphere
wave length is what he decreased
The formula of Washing Soda is (Na2CO3.10H2O). It contains two atoms of Sodium,one atom of Carbon, thirteen atoms of Oxygen and twenty atoms of Hydrogen.
It's chemical name is Sodium Carbonate decahydrate. It is white coloured crystal which is basic in nature. So, it is called a basic salt. It turns red litmus paper into blue.
Answer:
The molecular formula of the compound is C₂H₄F₂ or CH₃CHF₂
Explanation:
From the question given above, the following data were obtained:
Empirical formula of the compound = CH₂F
Fórmula mass of compound = 66 g/mol
Molecular formula of the compound =?
The molecular formula of the compound can be obtained as follow:
Molecular formula = [Empirical formula]ₙ
Molecular formula = [CH₂F]ₙ
[CH₂F]ₙ = 66
[12 + (2×1) + 19] n = 66
[12 + 2+ 19]n = 66
33n = 66
Divide both side by 33
n = 66/33
n = 2
Molecular formula = [CH₂F]ₙ
Molecular formula = [CH₂F]₂
Molecular formula = C₂H₄F₂
Thus, the molecular formula of the compound is C₂H₄F₂ or CH₃CHF₂