Equation: ΔH = (m)(ΔT)(c) Other equations m = c = ΔT = |
Equation: ΔH = (m)(ΔT)(c) Other equations m = c = ΔT = |
Answer the following problems showing all work
Equation: ΔH = (m)(ΔT)(c) Other equations m = c = ΔT =
ΔT = TF - TI
where ΔH = energy flow/change of system
m = mass of system
c = specific heat of system _____________
TF = final temp
TI = initial temp
1. What is the specific heat (c) of a substance if the 82.3g of substance released 1985cal of energy while the temperature went from 74.3°C to 21.0°C? (0.453cal/(g-°C)) system __________
2. A container of water gains 532cal of energy and the temperature went from 28.2°C to 39.1°C. How many grams of water is there? (48.8g) system: __________
3. What is the temperature change (ΔT) of water if the water released 3020J of energy for a mass of 21.1g of water. (-34.2°C) system: __________