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WorksheetsDensity Lab Science Olympiad 2018-19
Total questions: 18
Worksheet time: 6mins
What is the formula for density?
ρ = m ÷ v
ρ = m × v
ρ = v ÷ m
ρ = m - v
What is Boyle's Law?
PV = K
PV = nRT
P2P1 = P1P2
P1/T1 = P2/T2
What is Charles' Law?
P1V1 = P2V2
V1/T1 = V2/T2
PV = K
P1V1/T1 = P2V2/T2
What is Gay-Lussac's Law?
P1/T1 = P2/T2
P1V1 = P2V2
V1/T1 = V2/T2
PV = nRT
What is the Ideal Gas Law?
PV = nRT
P1V1/T1 = P2V2/T2
n = m/MW
P1V1 = P2V2
What are the units for volume?
kg, g
lbs, newtons
mL, L
None of the above
Name the 5 gas laws.
Boyle's Law, Charles' Law, Archimedes' Principle, Ideal Gas Law, Gay-Lussac's Law
Boyle's Law, Charles' Law, Gay-Lussac's Law, Combined Gas Law, Ideal Gas Law
Avogardo's Law, Boyle's Law, Charles' Law, Gay-Lussac's Law, Combined Gas Law
Gas Law 1, Gas Law 2, Gas Law 3, Gas Law 4, Gas Law 5
What is the constant in Charles' Law?
pressure
temperature
molecular weight
volume
According to Archimedes' Principle, if a body is immersed in a fluid, then what is the buoyant force acted upon it equivalent to?
the weight of the fluid that the body displaces
the weight of the body
the volume of the fluid that the body displaces
the mass of the body
What is number density?
The number of countable objects per unit volume.
The amount of a substance per unit volume or area.
The amount of mass per unit surface area.
The mass of a substance per unit volume.
What is the unit for temperature for the gas laws?
Kelvin (K)
Celsius (C°)
Fahrenheit (F°)
None of the above
What is STP?
Standard Temperature and Pressure - 273 K and 101.3 kPa
Standard Temperature and Pressure - 1,000 mL and 101.3 kPa
mm Hg
Standard Pressure - 101.3 kPa
How do you convert Celsius into Kelvin?
+273°
-273°
+45°
+254°
What is the molality of 80 g of NaCl dissolved in 650 mL of water?
1.82 M
1.5 m
1.82 m
1.72 m
What is the PPM of 130 g of NaCl dissolved in 1300 mL of water?
1430.05 PPM
13425 PPM
90909.01 PPM
90909.01 PPB
What is the formula for molality?
Molality = Mass of Solute/L of solution
Molality = Mass of Solute/kg of Solvent
Molality = Mass of Solute/Mass of Solution
Molality = Moles of Solute/Moles of Solution
What is the volume of one mole at STP?
2.24 L
44.8 L
96.6 L
22.4 L
If an cylinder with a radius of 5 cm and a height of 9 cm is completely submerged in a tank full of water, what is the amount of the fluid displaced? If it is 67 kg, what is the weight of the cylinder? What is the normal force at which it presses against the bottom of the tank?
∫25x7
thift7werr67q
