Types Of Reactions And Mol Conversions Question Preview (ID: 55324)


Covers Types Of Reactions, Balancing Equations, Mol Conversions And Stoichiometry. TEACHERS: click here for quick copy question ID numbers.

What is Ms. Rose's middle name?
a) Chemi
b) Rose
c) Elizabeth
d) Shenanigan

Use the (already balanced) equation (CaCO3 ---- CaO + CO2) to help answer the question: How many grams of CaO will be produced by the decomposistion of 15.0g g CaCO3?
a) 0.119 g CaO
b) 374 g CaO
c) 8.4 g CaO
d) 0.0027 g CaO

100.0 g of Chlorine gas (Cl2) will be how many molecules?
a) 8.5 x 10^23
b) 4.2 x 10^23
c) 2.1 x 10^23
d) 1.7 x 10^23

6.02 x 10^23 particles of Guaca is:
a) 1 Guaca mole, or Avocado's number
b) Too much guaca
c) Avogadro's Number
d) Not enough information

If you dissolve 45 grams of sugar (molar mass = 342.3 g/mol) into a solution with a final molarity of 0.398 mol/L, how many liters are used to make the solution?
a) 0.0523 L
b) 0.33 L
c) 19.1 L
d) 2.5 L

What are the units for molarity (M)?
a) mol/g
b) mol/L
c) L/mol
d) mol/particle

What is the molarity of a solution that has 0.045 mols of sugar dissolved in 0.02 L of water?
a) 0.0009 M
b) 0.444 M
c) 0.065 M
d) 2.25 M

If a chemical has a pH of 6.2 it is:
a) a weak acid
b) a strong acid
c) a weak base
d) a strong base

What coefficients are needed to balance the equation where HgO decomposes into Hg and O2? ( HgO ---- Hg + O2)
a) 1, 2, 1
b) 1, 1, 1
c) 2, 2, 1
d) 2, 1, 2

What type of reaction happens when an acid and base react?
a) Precipitate
b) Combustion
c) Neutralization
d) Corrosion

When two aqueous solutions mix, and a precipitate forms, what type of reaction has taken place?
a) Synthesis
b) Decomposistion
c) Single displacement
d) Double displacement

What ion does an acid produce?
a) Hydrogen ion
b) Hydroxide ion
c) Carbonate ion
d) Acid is not an ion

What reactant must a combustion reaction always have?
a) Water
b) Carbon dioxide
c) Oxygen
d) Wood

What type of reaction happens what a single reactant breaks down into multiple products?
a) Synthesis
b) Decomposistion
c) Single displacement
d) Combustion

What type of reaction happens when two or more substances to form a single product?
a) Synthesis
b) Decomposistion
c) Single displacement
d) Combustion

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