54 J of heat is required to raise the temperature of a 2.47 g unknown substance from 17.1^{\circ} C to 46.7^{\circ} C.
a) Calculate the specific heat of the substance
![54 J of heat is required to raise the temperature of a 247 g unknown substance from 171circ C to 467circ C a Calculate the specific heat of the substance class=](https://us-static.z-dn.net/files/d74/a7f772f8bbc5d4972944372069ef81f8.png)