1)2Ca+O2=2CaO
2)CaO+H2O=Ca(OH)2
3)Ca(OH)2+2HNO3=
Ca(NO3 )2+2H2O
<span>2KNO3 = 2KNO2 + O2
H2+O2=2H2O
</span><span>CaO + </span>H2O<span> = </span>Ca(OH<span>)</span><span>
</span>
H3C - CH2 - CH2 - CH2 - CH2 - CH2 - CH3 Гептан
H3C - CH - CH2 - CH2 - CH2 - CH3 2метилгексан
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CH3
H3C - CH - CH - CH2 - CH3 2,3диметилпентан
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CH3 CH3
H3C - CH - CH2 - CH - CH3 2,4диметилпентан
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CH3 CH3
<span>Na2SO3 + 2HCl = 2NaCl + SO2 + H2O</span>