The table shows the specific heat capacities of various substances. An iron block of mass 2kg is heated. Calculate the amount of energy needed to raise its temperature from 20°C to 30°C. Use the table to help you.

How much energy is required to raise the temperature of 2 kg of iron from 20°C to 23°C? (Refer to table of specific heat values.)A.2.7 JB.2700 JC.1.35 JD.900 J

Calculate the energy needed to increase the temperature by 38 °C for 0.2 kg of iron.The specific heat capacity of iron is 449 J/kg°C.You must include units in your answer.

The table shows the specific heat capacities of various substances. How much energy is required to raise the temperature of 5g of air by 10°C? Use the table below to help you.

The quantity of heat required to raise the temperature of 500 g of iron by 2°C, given that the specific heat capacity is 500 J/(kg °C), is: a. 250 kJb.2 Jc.500 kJd.0.5 kJ

Calculate the energy required to heat 1.40kg of iron from −5.2°C to 0.9°C. Assume the specific heat capacity of iron under these conditions is ·0.449J·g−1K−1 . Be sure your answer has the correct number of significant digits.