Two ideal gases at temperatures $T_1$ and $T_2$ are mixed. There is no loss of energy. If the number of moles of the two gases are $n_1$ and $n_2$ respectively,then the temperature of the mixture will be:
- A$\frac{n_1 T_1 - n_2 T_2}{n_1 + n_2}$
- B$\frac{n_1 T_1 + n_2 T_2}{n_1 - n_2}$
- C$\frac{n_1 T_1 + n_2 T_2}{n_1 + n_2}$
- D$\frac{n_1 T_1 - n_2 T_2}{n_1 - n_2}$
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