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logacheva1967
@logacheva1967
October 2021
1
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помогите пжл.Очень надо.Срочнооооооо ! ребят... буду очень благодарна
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kedr57
1.2H2O2⇒2H2O+O2
2.2KNO3⇒2KNO2+O2
3.2Cu+O2⇒2CuO
4.S+O2⇒SO2
5.2SO2+O2⇒2SO3
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Answers & Comments
2.2KNO3⇒2KNO2+O2
3.2Cu+O2⇒2CuO
4.S+O2⇒SO2
5.2SO2+O2⇒2SO3