Define "thermal capacity" and "specific heat capacity".
Thermal capacity: the amount of energy required to raise the temperature of a body of a substance by 1 degree.
Specific heat capacity: the amount of energy required to raise the temperature of 1kg of a body of a substance by 1 degree.
100
Why aren't atoms reliable?
They make up everything!
200
What is the volume of a liquid with mass m=220 g and density rho=4 g/ml?
V = 55 ml
200
What is the mass and the atomic number of the isotope produced following the beta decay of 6629Cu-66?
Atomic number: 30, mass: 66
(Zn-66)
200
Calculate the energy required to raise the temperature of 100 g of water from 0.0oC to 100oC.
42kJ
200
Why doesn't a photon carry any luggage when checking into a hotel?
Because it's traveling light!
300
A plexiglas container has a square base of 6 cm and contains water to a height of 7 cm. A stone is lowered into the water so as to be completely covered and the water rises to a height of 9 cm. What is the volume of the stone?
72 cm3
300
State the charges of at least four particles that can be emitted in a nuclear decay reaction.
A block of copper (c=385 J/kgoC) requries 625,000 J to go from 18oC to 134oC.
What is the mass of the copper block?
m = 14 kg
300
Why do physicists resort to hydrogen ions whenever they're in doubt?
Because they're always positive!
400
The density of olive oil is 0.920g/ml. An unopened bottle of olive oil which has a mass of 0.872kg contains 750ml olive oil. What is the mass of the bottle?
m=182g
400
The amount of time that has passed if 1/16 of a sample is remaining if the half-life is 5730 years.
22,920 years.
400
80 kJ is delivered to an ice cube of mass m = 250 g with a temperature of 0oC. Does the ice cube fully melt? Justify your answer.
No.
(Q = m Lf = 0.250 kg * 340000 J/kgoC = 85 kJ)
400
What's the status of the man who got cooled to absolute zero?
He's 0K now!
500
A metal block has the following dimensions: l=5cm, w=5cm, and h=4cm. The mass of the metal block is 750g.
Another metal block (of the exact same material) has dimensions half of the original one. What is the mass of this block?
94g
500
The half-life of a radioactive substance if the substance has decayed to 1/8 of the original amount in 7236 years.
2412 years.
500
How much energy is needed to turn 150 g of ice at 0oC into water at 10oC?
57.3 kJ
500
A neutron walked into a bar and bought drinks for everyone. How come the neutron wasn't ruined?