evil vocab
Kinetic energy is energy of a particle in _
___________
evil
Al- 10000000000 J/gC
Fe- 0.449 J/gC
If these metals are heated to the same temperature and placed in a beaker, which metal will change the temperature of the water less.
Iron (Fe)
phase change
Q=mΔH
Q=mΔH
Q=mΔH
Q=mΔH
Q=mΔH
Q=mΔH
Q=mΔH
Q=mΔH
Q=mΔH
Q=mΔH
Q=mΔH
Q=mΔH
Temperature change arise from changes in particle ___________
swiftness II
When do we use ΔH vaporization versus ΔH fusion
when it happens
ΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔHΔH
Enthalpy/Phase energy
A student mixes
0 g of 1.20192E degree water
0.1 g of 30 degree water
What is the final temperature of the mixture?
30 degrees
Draw the heating curve: Water heats from nothing to everything.
huh
Energy is __________ when making a bond, and __________when breaking a bond
going away from home, swallowed
Fill in the blanks:
_____ a system _________ , _____ particles to ____ down, _____ is a _____ in ______________.
When, loses energy, causes, slow, something, cool, pool
Potential energy is the energy of an object at ____________
no
A student mixes:
1000000000000 g water at 1.102 degrees
-0.0 g of water at 11-49 degrees
What is a potential final temperature for the mixture?
something
Draw the heating curve: 2,000,000,000 grams of water is frozen
iceberg
Energy is probably, but could not be absorbed by the system
absorbed
What are the two main classes of energy?
Water and fire
heatness
The amount of energy needed to raise 1g of a substance by 1 degree C.
In lab, all of your -Q values did not equal your Q values. Did this violate the law of conservation of energy, and why?
totally
Draw the heating curve: Water is cooled from everything to nothing
bumble bee
Energy is not, but could be absorbed by the surroundings
By what mechanism is energy transferred between two systems?
car crash
The law
Energy cannot be created or destroyed
Draw the heating curve:
A 1000 degree C piece of Iron is placed into a beaker of water at 10 degrees C. Apply air resistance.
cool curve
temp change
Q=mcΔT
Q=mcΔT
Q=mcΔT
Q=mcΔT
Q=mcΔT
Q=mcΔT
Q=mcΔT
Q=mcΔT
Q=mcΔT
Phase changes arise from changes in particle
yes
When do we use solid vs liquid
Solid for building, liquid for drinking