2H2+O2 = 2H2O
n(H2)=m/M = 16/2 = 8 моль
n(O2)=4 моль
V(O2)=n*Vm = 4 * 22,4 = 89,6 л
#1 Set up the balanced chemical equation:
CuSO4(aq) + 2 KOH(aq) = Cu(OH)2(s)+K2SO4(aq)
#2 Based on the equation above you may put down the total ionic equation:
Cu2+(aq) + SO42-(aq) + 2K+(aq) + 2OH-(aq) = Cu(OH)2(s) + 2K+(aq) + SO42-(aq)
#3 After the cancellation of the spectator ions K+, SO42- you'll get the following net ionic equation:
Cu2+ (aq) + 2OH-(aq) = Cu(OH)2(s)
Ответ:1) Shoqan Ualikhanov wasn't from Turkey. He was from Kazakhstan.
2) Luivinov Andreeva isn't a cycling champion. She is a karting champion.
3) Henry Ford didn't invent the first plane. He invented the first car.
4) Charles Darvin and Albert Einstein weren't interested in shopping. They were interested in science.
5) Amelia Earhart wasn't a famous actor. She was a pilot.
6) John F. Kennedy and Abraham Lincoln weren't Russian presidents. They were USA presidents.
Объяснение:
Погоди прочитаю в интернете и вернусь