How many moles of oxygen are in 2.71x10^25 molecules of CO2?
What is 90M
100
4NH3(g)+6NO(g) -> 5N2(g)+6H20(g)
What is the mass of 2 moles of H25?
What is 68g
100
The process of a solid becoming a liquid is called this.
What is Melting
100
How many oz of prussic acid are there in 10.5 oz of a 100% solution of prussic acid?
What is 10.5 oz
100
True/False
Acids and bases neutralize each other
What is True
200
How many atoms of hydrogen are in 1 mole of H20?
What is 1.2x10^24 atoms of H
200
4NH3(g)+6NO(g) -> 5N2(g)+6H20(g)
How many moles of each reactant were there if 13.7 moles of N2(g) is produced?
What is 16.44M NO(g)
200
Describe the particles in a gas
What is Spacious and fast moving
200
If a person mixed 20 oz of salt and 30 oz of water what is the concentration, in a percentage?
What is 40%
200
This is what acids taste like, according to Boyle.
What is Sour
300
How many moles of Li are in 1 mole of LiH?
What is 1M Li
300
Sb2S3(s)+3Fe(s) -> 2Sb(s)+3FeS(s)
If 3.87x10^23 particles of Sb2S3(s) are reacted with excess Fe(s), what mass of Fe(s) is produced?
What is 170g
300
When a pot is heated the volume of the water in it increases slightly. Explain why this happens
What is The particles in the liquid move faster
300
If methyl alcohol is poured in water, this is the solute.
What is Methyl alcohol
300
Water, a neutral, has this pH.
What is 7
400
How many moles of oxygen are in 1 mole of CaCO3?
What is 3M of O
400
2Al+3Cl2 -> 2AlCl3
When 80g of Al are reacted with excess Cl(g), how many science units of AlCl3 are produced?
What is 1.78x10^25 science units
400
This is why solids have a definite state.
What is They are packed together tightly
400
If 100oz of a 27% solution of methyl alcohol is in water, what is the concentration of the solute?
What is 27%
400
4NH3(g)+3O(g) <-> 6H20(g)+2H2(g)
This is at equilibrium.
This would happen to the equilibrium if there were 4 moles of H(g) added.
What is Nothing
500
How many atoms are in 5 moles of silver?
What is 3.01x10^24 atoms of silver
500
CO(g)+2H2(g) -> CH3OH(g)
At STP, what volume of H2(g) is needed to react completely with 8.02x10^23 molecules of CO(g)?
What is 59.7L
500
Dry ice is used in fire extinguishers. It is stored in the cylinder in its solid state, but when sprayed it quickly changes into a gas. This is the name of this state of change.
What is Sublimation
500
If you were given 5 quarts of milk that is 5% butterfat, this is the amount of pure butterfat in the milk.
What is 1/4 quart
500
4NH3(g)+3O(g) <-> 6H20(g)+2H2(g)
This is at equilibrium.
This would happen to the equilibrium of the volume was increased.