Составьте формулы оксидов по следующим данным:
а) марганца w (mn)=63,2%.
б) хрома w (cr)=68,4%.
в) хлора w(ci)=38,8%.
г) хлора w(ci)=81,6%.
д) фосфора w (р)=43,66%.
е) мышьяка w(as)=75,8%.
ж) меди w(cu)=88,89%.
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(CH3)2CHCH2CH3, формула получение:получение 2 метилбутана:

CH3-CH2-CH2-CH2-CH3 = CH3-CH (CH3) - CH2-CH3 (над = AlCl3)

CH3-C (CH3) = CH-CH3 + H2 = CH3-CH (CH3) - CH2-CH3 (над = Ni, t)Классификация: Алканы, Углеводороды

Молярная масса: 72,15 г/моль

Температура плавления (в °C):

-159,89

Температура кипения (в °C):

27,85

настоящие название в русском языке изопентан.

СН4 + Cl2 → CHCl3 + HCl; CH3Cl + Cl2 → CH2Cl2 + HCl;

хлорметан дихлорметан

CH2Cl2 + Cl2 → CHCl3 + HCl; CHCl3 + Cl2 → CCl4 + HCl

хлороформ тетрахлорметан

Объяснение:

не могу всё написать очень много реакции этого газа.

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