The thermal capacity of 10g of a substance is 8 calories. the specific heat is in J/kg-K

To determine the specific heat of a substance in joules per kilogram-Kelvin (J/kg-K), we need to use the equation:

thermal capacity = mass * specific heat * change in temperature

Given that the thermal capacity is 8 calories, we first need to convert it to joules. 1 calorie is equal to 4.184 joules.

8 calories * 4.184 joules/calorie = 33.472 joules

Next, we need to determine the mass of the substance. In this case, the mass is given as 10 grams.

To convert grams to kilograms, we divide by 1000:

10 grams / 1000 = 0.01 kilograms

Finally, we can rearrange the equation to isolate the specific heat:

specific heat = thermal capacity / (mass * change in temperature)

Since the change in temperature is not provided in the question, we cannot calculate the specific heat without that information.

Therefore, without the change in temperature, we cannot determine the specific heat of the substance in J/kg-K.