[单选题]
The ideal gas equatio
oo8 urf)a 6 770mrlcdk ptxh-9.r lru7n
o)p rab i7nzz;hpbzi// q6f; l9y/sw7allows pressure to be calculated according to the equation
)bpps9b7rin i6zwl ;7f//y ;zoq/ azh ,
P=$\frac{nRT}{V}$.
This allows a straight line to be drawn for the effect of $\frac{1}{V}$ on P.
For the sketched graph above, which components of the equation P=$\frac{nRT}{V}$,relate to the gradient and
y-intercept of the straight line?