Khí O₂ ở điều kiện nhiệt độ 25°C; áp suất dư 10bar. Biết áp suất khí quyển là 1 bar. Thể tích riêng (lít/kg) bằng:

c' = \(\frac{C}{G}\)

c' = \(\frac{C}{M}\)

c' = \(\frac{C}{V_{tc}}\)

c' = \(\frac{C}{V}\)

12,6

20,9

29,3

37,4

k = \(\frac{c_{μv}}{c_{μp}}\) ; c_μp - c_μv = \(8314\frac{J}{kmol * độ}\)

k = \(\frac{c_{μv}}{c_{μp}}\) ; c_μv - c_μp = \(8314\frac{J}{kmol * độ}\)

k = \(\frac{c_{μp}}{c_{μv}}\) ; c_μp - c_μv = \(8314\frac{J}{kmol * độ}\)

k = \(\frac{c_{μp}}{c_{μv}}\) ; c_μv - c_μp = \(8314\frac{J}{kmol * độ}\)

\(q = \sum\limits_{i = 0}^n {a_i*\frac{{t_2^i - t_1^i}}{i}} \)

\(q = \sum\limits_{i = 0}^n {a_i*\frac{{t_2^i - t_1^i}}{2}} \)

\(q = \sum\limits_{i = 0}^n {{a_i}*\frac{{t_2^{i - 1} - t_1^{i - 1}}}{{i - 1}}} \)

\(q = \sum\limits_{i = 0}^n {{a_i}*\frac{{t_2^{i + 1} - t_1^{i + 1}}}{{i + 1}}} \)

\(\Delta {\rm{u = 0}}\)

\(\Delta {\rm{h = 0}}\)

\(\Delta {\rm{s }} \ne {\rm{ 0}}\)

\(dl = p*dv = 0\)

\(q = \left. {{c_v}} \right|_{{t_1}}^{{t_2}}*\Delta T\)

\(q = {c_v}*\Delta T\)

\(q = c{'_v}*\Delta T\)

\(q = R*\Delta T\)

T₂ > T₁

T₂ < T₁

T₂ = T₁

v₂ < v₁

\(q = \left. {{c_p}} \right|_{{t_1}}^{{t_2}}*\Delta T\)

\(q = {c_p}*\Delta T\)

\(q = {c'_p}*\Delta T\)

\(q = R*({T_2} - {T_1})\)

\(l = \frac{k}{{k - 1}}*({p_1}*{v_1} - {p_2}*{v_2})\)

\(l = \frac{1}{{k - 1}}*({p_1}*{v_1} - {p_2}*{v_2})\)

\(l = \frac{1}{{k - 1}}*({p_2}*{v_2} - {p_1}*{v_1})\)

\(l = R*({T_1} - {T_2})\)

\(l = \frac{n}{{n - 1}}*({p_1}*{v_1} - {p_2}*{v_2})\)

\(l = \frac{1}{{n - 1}}*({p_1}*{v_1} - {p_2}*{v_2})\)

\(l = \frac{1}{{n - 1}}*({p_2}*{v_2} - {p_1}*{v_1})\)

\(l = \frac{n-1}{{n}}*({p_1}*{v_1} - {p_2}*{v_2})\)