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Cu + 2HNO3 --> Cu(NO3)2 + H2 Looks like it. copper nitrate formed and hydrogen gas just released.
It is because HNO3 is a strong oxidising agent.So as soon as H2 is formed in the reaction between a metal and dilute nitric acid oxidises this hydrogen to water.
Cu + 2 HCl = CuCl2 + H22 Cu + 2 HCl = 2 CuCl + H2
Copper turnings react with HCl to form Copper chloride and give out hydrogen gas. Cu(s) + 2HCl -----> CuCl2 +H2(g)
single replacement
Cu(NO3)2 and H2 are formed
(Cu)s + 2HNO3 --> Cu2+ + 2NO3- + (H2)gas
Cu + 2HNO3 --> Cu(NO3)2 + H2 Looks like it. copper nitrate formed and hydrogen gas just released.
The correct answers are: Ag+ and Cu+2.
I believe the correct formula is Cu-H2-O2.
Its H2
It is because HNO3 is a strong oxidising agent.So as soon as H2 is formed in the reaction between a metal and dilute nitric acid oxidises this hydrogen to water.
Cu(s) + 2H^+(aq) ==> H2(g) + Cu^2+
Cu + H2SO4 = CuSO4 + H2
It becomes the diatomic gas H2. Hydrogen gas.
I don't know what "hot water gas" means exactly, but water gas is a mixture of CO and H2.
Hydrogen gas is H2