Types of Heat Transfer
Infared waves, Microwaves, Radiowaves, UV light
What is radiation?
a type of reaction that releases heat energy
What is an exothermic reaction?
the unit for mass - M
What is grams or kilograms?
Energy in a stored form
What is potential energy?
Water was heated from 24 degrees to 50 degrees which produced 650 joules of energy. What will you solve for in the problem?
What is the mass of the water?
Heat transfer from a hot spoon to your hand
What is conduction?
melting of an ice cube
What is an endothermic reaction?
The unit for heat energy - Q
What is joules?
Energy in motion
What is kinetic energy?
240 grams of water is heated from 30 to 65 degrees C producing 35,145 joules of energy. What is not stated in the problem?
What is the specific heat of water? 4.184 j/g/C
Heat transfer through solid objects
What is conduction?
Requires energy to enter into a system from the surroundings
What is an endothermic reaction?
The symbol for a change in temperature
What is a delta sign? or What is a triangle?
The lowest form of energy - represented as q
What is heat energy?
Calculate the specific heat capacity for gold if 105 joules are required to heat 30.0 g of gold from 27.7°C to 54.9°C.
What is 0.127 j/g/C
Heat transfer between molecules of different densities
What is convection?
An analogy is climbing a ladder?
What is an endotermic reaction?
The unit for specific heat or heat capacity
What is joules/gram/degree Celcius?
Energy cannot be created nor destroyed; it can change from one form of energy to another form or be transferred from one system to another system
What is the Law of Conservation of Energy?
Which has the highest specific heat capacity?
Gold, Tin, Zinc, Copper, Water
What is water?
Lava flow from a volcano
What is convection?
digestion of a hamburger
What is an exothermic reaction?
The specific heat of water
What is 4.184 joules/g/degree C?
A chemical reaction that is being studied or examined
What is a system?
39,600 j are added to a block of ice to raise it from -22.0°C to 55.0°C. What is the mass of the ice sample?
What is 122.9 grams?