What are chemical reactions that absorb energy?
What is the study of heat changes that accompany chemical reactions and phase changes?
What is the formula for calculating heat?
Convert 42 kJ into joules
What are the two main types of energy?
Consider the reaction: 2 H2O + energy --> 2H2 + O2
A 500g piece of aluminum has a temperature of 7°C. What is the heat energy produced? Specific heat of Aluminum is 0.900 J/gºC.
What does temperature measure?
How much heat does an aluminum block absorb if 10.00 grams is heated from 25.0oC to 50.0oC? *Specific heat of aluminum is 0.900 J/goC
A 24.0 gram sample of copper was heated from 25.0oC to 500.0oC, 4378 J of heat were absorbed, what is the specific heat of copper?
The specific heat of platinum is 0.133 J/g°C. How much heat is released when a 10 g piece of platinum cools from 100°C to 50°C?
The temperature of an unknown piece of metal with a mass of 30.00 g changes from 25.0°C to 35.0°C when the metal absorbs 350.0 J of energy. What is the specific heat of the metal?
Releasing heat into the surroundings occurs during an ___________________ reaction.
A sample of iron receives 50 J of heat energy that raises the temperature of the iron 25.0°C. If iron has a specific heat of 0.10 J/g°C, what is the mass of the iron sample?
If 238 J of heat is absorbed by a sample of metal with a mass of 40.7 g, and it raises the temperature from 20.0°C to 32.4°C, what is the specific heat capacity of the metal?