A small whole number that appears in front of a formula in a chemical equation
What is a coefficient?
100
Na2SO4 + BaCl2 --> BaSO4 + NaCl
These are the coefficients when this chemical equation is balanced.
What are 1,1,1,2?
100
The mass, in grams, of one mole of substance.
What is molar mass?
100
This is why water is the universal solvent.
What is polarity?
100
This is a substance that releases H+ ions; has a sour taste; is a proton donor, conducts electricity, and reacts with metals to produce hydrogen gas.
What is an acid?
200
A solid that is produced as a result of a chemical reaction.
What is a precipitate?
200
Na2SO4 + Mg --> Na + MgSO4
These are the coefficients when this chemical equation is balanced.
What are 1,1,2,1?
200
A conversion factor that relates the amounts in moles of any two substances involved in a chemical reaction.
What is the mole ratio?
200
This law states that the solubility of gases increases as the pressure increases.
What is Henry's law?
200
Solution A has a pH of 4 and solution B has a pH of 2 This solution is the stronger acidic solution.
What is solution B?
300
Mass is never created or destroyed, only transformed; mass of the reactants must equal mass of the products.
What is the Law of Conservation of Mass
300
P4 + O2 --> P2O5
These are the coefficients when this chemical equation is balanced.
What are 1,5,2?
300
The mass relationship between reactants and products in a chemical reaction; chemistry math
What is reaction stoichiometry?
300
These are the four colligative properties of solutions.
What are freezing point depression, vapor pressure lowering, boiling point elevation, and osmotic pressure.
300
pH measures ________________________________.
What is the amount of H+ ions in solution?
400
P4 + O2 --> P2O5
phosphorous reacts with oxygen gas to produce diphosphorous pentoxide is an example of this type of chemical reaction.
What is a combustion or synthesis reaction?
400
CuSO4 + Al --> Al2(SO4)3 + Cu
These are the coefficients when this chemical reaction is balanced.
What are 3,2,1,3?
400
H2(g) + O2(g) --> H2O(g)
This is the amount of moles of oxygen that would be required to produce 8.9 moles of water.
What is 4.5 moles of oxygen?
400
90g of NaNO3 at 10 degrees C represents a ______________________ solution.
What is a supersaturated solution?
400
This has more OH- ions that H+ ions, turns red litmus blue; and has a pH of 7.1 to 14.
What is a base?
500
Na2(SO4) + Mg --> Na + Mg(SO4)
sodium sulfate reacts with magnesium metal to produce sodium metal and magnesium sulfate is an example of this type of chemical reaction.
What is a single replacement reaction?
500
C2H + O2 --> CO2 + H2O
These are the coefficients when this chemical equation is balanced.
What are 4,9,8,2?
500
Sodium chloride is produced from its elements through a synthesis reaction. This the mass of each reactant that would be required to produce 25.0 moles of sodium chloride.
What is 575 g of Na and 437.5 g of Cl2?
500
You have a 4.5 L of solution that contain 90 g of sodium chloride, this is the molarity of that solution.
What is 0.34M?
500
Finish this neutralization reaction:
HBr + Mg(OH)2 -->