Ответ:
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Ответ:
1)![N_{2}+2O_{2}= 2NO_{2} N_{2}+2O_{2}= 2NO_{2}](https://tex.z-dn.net/?f=N_%7B2%7D%2B2O_%7B2%7D%3D%202NO_%7B2%7D)
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2)![4NO_{2} +2H_{2} O+O_{2} =4HNO_{3} 4NO_{2} +2H_{2} O+O_{2} =4HNO_{3}](https://tex.z-dn.net/?f=4NO_%7B2%7D%20%2B2H_%7B2%7D%20O%2BO_%7B2%7D%20%3D4HNO_%7B3%7D)
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3)![NaOH+HNO_{3}=NaNO_{3}+H_{2}O NaOH+HNO_{3}=NaNO_{3}+H_{2}O](https://tex.z-dn.net/?f=NaOH%2BHNO_%7B3%7D%3DNaNO_%7B3%7D%2BH_%7B2%7DO)
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