Shape x2 keto affected.calorie count portion control: - вопрос №2602100 от cucuruza5 17.11.2020 07:10

Question

Химия: Shape x2 keto affected.calorie count portion control: at the same time, controlling the portion simply by eating less or counting calories can be very helpful for obvious reasons.some studies show that keeping a food journal or taking pictures of your meals can help you lose weight .anything that increases your awareness of

cucuruza5 · Answer

M=32(г

M(SO2)=32+2*16=64(г/моль

n=m/M=32/64=0.5(моль

V=Vm*n, где Vm- объем газа при н.у. = 22.4(дм3/моль

V=22.4*0.5=11.2 (дм3)

V=44.8 (л

n=V/Vm=44.8/22.4=2(моль

m=n*M

M(CH4)=12+4*1=16(г/моль

m=2*16=32(г

1) Дано:

m(SO2) = 32 г n(SO2) = m(SO2) / M(SO2) = 32 / 64 = 0,5 моль

M(SO2) = 64 г/моль V(SO2) = Vm * n(SO2) = 22,4 * 0,5 = 11,2 л

Vm=22,4 л/моль

Найти:

V(SO2)

2) Дано:

V(CH4) = 44,8 л n(CH4) = V(CH4) / Vm = 44,8 / 22,4 = 2 моль

Vm=22,4 л/моль m(CH4) = n(CH4) * M(CH4) = 2 * 16 = 32 г

M(CH4) = 16 г/моль

Найти:

m(CH4)