Question

what is the specific heat of metal 200 gram sample that used 10,000 joules of heat to take its temperature from 20 degrees celsius to 100 degrees? a) 0.335 b) 0.995 c) 0.625 d) 0.885

Answer 1

Answer: The specific heat of the metal can be calculated using the formula Q = mcΔT, where Q is the heat absorbed by the metal, m is the mass of the metal, c is the specific heat of the metal, and ΔT is the change in temperature. Since we know the heat absorbed by the metal (10,000 joules) and the mass of the metal (200 grams), we can solve for the specific heat by rearranging the equation to solve for c:

Q = mcΔT

c = Q / mΔT

c = (10,000 joules) / (200 grams * 80 degrees Celsius)

c = 0.625 joules/gram-degree Celsius

Therefore, the specific heat of the metal is 0.625 joules/gram-degree Celsius, which corresponds to answer choice (c).