Be SPECIFIC (heat)
Calculate the heat (J) need to heat 100 g of water from 22°C to 25°C (Waters specific heat is 4.18 J/g°C)
1254 J
What is nuclear fission
the splitting on an atomic nucleus into smaller parts
The atomic number is the number of...
Protons
The hottest phase of matter with the most kinetic energy is...
gas
What particles flow through a wire to create electricity?
electrons
Calculate the heat (J) need to heat 5 g of water from 20°C to 50°C (Waters specific heat is 4.18 J/g°C)
627 J
What is the name of the process in which an unstable isotope releases particles to become more stable?
radioactive decay
8 neutrons
Name the type of energy that is converted into electrical energy by an electrical generator in a nuclear powerplant.
Magnetic and mechanical
Magnets have the ability to repel or attract unpaired ________
electrons
Calculate the heat (J) need to heat 100 g of cadmium from 25°C to 100°C (Cadmium's specific heat is 0.23 J/g°C)
1725 J
What are the 3 products of nuclear fission of a uranium-235 atom?
neutrons, energy, lighter elements
How many Neutrons are in Nitrogen 15 (Nitrogen has 7 protons)
8 neutrons
Put the following energies in the order they are converted in a wind turbine (not all will be used)
mechanical, electrical, wind, chemical, thermal
wind -> mechanical -> electrical
If you put a magnet into a coiled wire you can create...
electricity!
Calculate the heat (J) need to heat 58.95 g of cadmium from 100°C to 25°C (Cadmium's specific heat is 0.23 J/g°C)
-1017 J
In a nuclear power plant, what heats the water to produce steam?
energy released from nuclear fission
For this element: 6329Cu tell me...
# protons, # neutrons, mass number and atomic number
29 protons
34 neutrons (63-29=34)
mass number = 63
atomic number = 29
Which turbine will generate more electricity:
a. a turbine spinning 456 revolutions per minute
b. a turbine spinning 422 revolutions per minute.
Turbine A (456 RPM)
What component in the nuclear power plant creates electricity using magnets?
the generator
Calculate the heat (J) need to heat 135g of Aluminum from 30°C to 47°C (Aluminum's specific heat is 0.90 J/g°C)
2065.5 J
What element is used in nuclear fission in power plants?
Uranium
For this element: 23892U tell me...
# protons, # neutrons, mass number and atomic number
92 protons
146 neutrons
mass number: 238
atomic number: 92
What kind of heat transfer do you feel when you touch an ice cold glass of water?
conduction
An electric current produces a
magnetic field