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Specific Heat and Heat Capacity Worksheet. 1. The temperature of 335 g of water changed from 24.5oC to 26.4oC. How much heat did this sample absorb? c for water = 4.18 J/goC (ans. 2.66 kJ) 2. How much heat in kilojoules has to be removed from 225g of water to lower its temperature from 25.0oC to 10.0oC? (ans. –14.1 kJ) 3.
1. What does it mean if water has a higher specific heat capacity than oil? It requires more energy to raise its temperature by the same amount. 2. What is the difference between thermal energy and temperature? Temperature is a measure of the average kinetic energy of the molecules present. Thermal
Specific Heat is defined as the amount of heat energy needed to raise 1 gram of a substance 1oC in temperature. Q = m·Cp(T2 – T1) Q is heat energy (Joules) m is mass of the substance (kilograms) Cp is specific heat of the stubstance (J/kg·oC) T2 – T1 is change in temperature (oC)
Specific Heat Worksheet. DIRECTIONS: Use q = (m)(ΔT)(Cp) to solve the following problems. Show all work and units. 1. A 15.75-g piece of iron absorbs 1086.75 joules of heat energy, and its temperature changes from 25°C to 175°C. Calculate the specific heat capacity of iron. 2.
The symbol c stands for specific heat, and depends on the material and phase. The specific heat is the amount of heat necessary to change the temperature of 1.00 kg of mass by 1.00 ºC. The specific heat c is a property of the substance; its SI unit is J/(kg ⋅ ⋅ K) or J/(kg ⋅ ⋅ °C °C).
Specific Heat Worksheet Name (in ink): C = q/mAT, where q = heat energy, m = mass, and T = temperature Remember, AT = (Tfinal — Tinitial). Show all work and proper units. Answers are provided at the end of the worksheet without units. 1.
Worksheet- Introduction to Specific Heat Capacities. Heating substances in the sun: The following table shows the temperature after 10.0 g of 4 different substances have been in direct sunlight for up to 60 minutes. Step 1: Create a line graph for each substance on graph below.
