Randall has unconscious assumption that attractive people are more competent
<span>PV = nRT
moles of H2 = 1/2 = 0.5
moles of He = 1/4 =0.25
T = 273 + 27
partial pressure of H2
Px1 = 0.5x0.083x300
P=12.45 atmospheres
PP of He
px1 = 0.25x0.083x300
P =6 22 atmospheres
Totla pressure = 6.22 + 12.45 = 18.68 atm</span>
We know that:
w=mg
24,5N=m*9,8m/s²
24,5N/9,8m/s²=m
m=2,5kg