T = 350;
p_anf = 1;
p_step = 0.1;
p_end = 100;
V = 1;
N = 18.01528;
kB = 1.381*10^-23;

for p=p_anf:p_step:p_end
    p=N*kB*T/V;
end


plot(p,V)

xlabel("Druck (bar)")
ylabel("Voldumen (m3)/kg")
grid on
print -dpng "testfigure.png"