96 кг озона;
m(O3) = 96 кг = 96 000 г
M(H2) = 16*3 = 48 г/моль
n(H2) = m/M = 96 000/48 = 2000 моль
V(H2) = n(H2)*V(a) = 2000*22.4 = <span>44 800 л = 44,8 куб.м. (н.у) </span>
(-2m<span>^8n<span>^5)<span>^5=-32m^40n^10 и (-5p<span>^3q<span>^3)<span>^2=25p^6q^6</span></span></span></span></span></span>
Х вершины = -в/2а
y=-2x^2+8x+3; Хв = -8/(-2*2) =2 Ув=-2*4+16+3=11 (2,11)
y=-2x^2-8x+3. Хв = 8/(-2*2) = -2 Ув=-2*4+16+3=11 (-2,11)
2(1/2*sin3x-√3/2cos3x)=0
2sin(3x-π/3)=0
3x-π/3=πn
3x=π/3+πn
x=π/9+πn/3,n∈z