A certain substance has a mass of 50/gmol. When 300 J of heat is added to 25 g of sample of this material, its tempertuare rises from 25 to `45^(@)`C. Calcualte (i) thermal capacity.. (ii) Specific heat and (iii) molar heat capacity of the sample.

Explanation

To solve the problem step by step, we will calculate the thermal capacity, specific heat, and molar heat capacity of the substance.

### Given Data:
- Mass of the substance (m) = 25 g
- Molecular weight (M) = 50 g/mol
- Heat added (Q) = 300 J
- Initial temperature (T1) = 25 °C
- Final temperature (T2) = 45 °C
...