Zadania na powtórzenie proszę potrzebne na teraz

[latex]6. \ \ 2 kN/cm^2 = frac{2000 N}{ frac{1}{10000} m^2 } = 20000000 Pa \ \ 4444 mN/km^2 = frac{ frac{4444}{1000} N}{1000000 Pa} = 4,444*10^{-6} Pa[/latex][latex]1.\ Dane:\ T_1 = 37 ^oC = 310 K \ p_1 = 3*10^5 Pa \ T_2 = 177 ^oC = 450 K \ V = const. \ \ frac{p_1}{T_1} = frac{p_2}{T_2} \ \ p_2 =p_1 frac{T_2}{T_1} = 435483,87 Pa = 4,35*10^5 Pa \ \ 2. \ Dane: \ W = 150 kJ = 1,5*10^5 J \ eta = 0,3 \ \ eta = frac{W}{Q_{pobrane}} \ W = Q_{pobrane} - Q_{oddane} \ \ Q_{pobrane} = frac{W}{eta} = 500 kJ \ Q_{oddane} = Q_{pobrane} - W = 350 kJ [/latex] [latex]3. \ Dane: \ n = 2 mol \ V = 100 cm^3 = 10^{-4} m^3 \ T = 20 ^oC = 293 K \ R = 8,31 frac{J}{kgK} \ \ pV = nRT \ p = frac{nRT}{V} = 48696600 Pa = 48,697 MPa \ \ 4. \Dane: \ Q = 2200 J\ W = - 600 J \ \ Delta U = Q + W = 1600 J \ \ 5. \ Dane: \ p = 1040 hPa = 1,04*10^5 Pa \ d = 1,3 kg/m^3 \ M = 40 g/mol = 0,04 kg/mol \ \ pV = nRT \ p frac{m}{d} = frac{m}{M}RT \ T = frac{pM}{Rd} = 3851 K [/latex]