Term 3 Quiz 2 Question Preview (ID: 36017)


This Is A Quiz To Review Chemical Equilibrium. TEACHERS: click here for quick copy question ID numbers.

What key factor could affect the rate in liquids?
a) concentration
b) pressure
c) surface area
d) shape of container

What could lower the activation energy?
a) decreasing the concentration
b) increasing temperature
c) adding a catalyst
d) increasing surface area

What is an example of an exothermic reaction?
a) rusting
b) freezing
c) photosynethesis
d) fireworks

Hydrogen Peroxide will slowly break down from H2O2 into H2O and O2. This is a relatively slow reaction, but when combined with Potassium Iodide Hydrogen peroxide will break down much more quickly. What conclusion can be drawn from this reaction.
a) Potassium Iodide acts as a catalyst to speed up the reaction
b) Potassium Iodide acts as a stir bar increasing the turbulence of the solution
c) Hydrogen Peroxide acts as a catalyst to speed up the reaction.
d) The temperature was increased to speed up the reaction.

If I were to add a teaspoon of sugar and into a cup of water and it were to dissolve what statement could I make?
a) Sugar acts as a solute and water acts as a solvent.
b) Sugar and water will form a heterogeneous solution
c) Sugar acts as a solvent and water acts as a solute
d) Sugar and water can be used to blow really big bubbles.

What could make the reaction faster between solid calcium carbonate and acid?
a) cool it down
b) make the lumps of calcium carbonate larger
c) make the acid weaker
d) make the calcium carbonate powdered

What would happen if I were to perform the reaction below in a refrigerator? N2(g) + 3H2(g) ⇆ 2NH3(g) + energy
a) Equilibrium will shift to the left and create more reactants.
b) Equilibrium will shift to the left and create more products.
c) Equilibrium will shift to the right and create more reactants.
d) Equilibrium will shift to the right and create more products.

What is the Molarity(Moles/Liter) of a solution, when 4.78 moles of C6H12O6 has been dissolved in 500.0 mL of H2O?
a) 9.56 M
b) 4.78M
c) 19.12 M
d) 8.37 M

gunpowder exploding ...
a) Exothermic
b) Endothermic
c)
d)

What does Dynamic Equilibrium mean?
a) All reactants are used up to form products
b) Forward and reverse reactions are occurring at same rate
c) Acids have reacted with bases to form a neutral compound
d) Everything is equal

According to Chemical Collision Theory
a) A Catalyst must be present for a reaction to occur
b) Particles must be warm for a reaction to occur
c) A Particle must be very small for a reaction to occur
d) Particles must collide to cause a reaction

The solubility of NaCl is 36g/100g of water at 20°C. How many grams of NaCl can dissolve in 200 g of water at the same temperature?
a) 18 grams
b) 36 grams
c) 72 grams
d) 555 grams

The __________of a solution is the measure of how much of a given solute is dissolved in a given amount of solvent.
a) boiling point
b) solubility
c) concentration
d) percent composition

Increasing the concentration of a reactant in a reaction at equilibrium will__________.
a) increase the amount of collisions between reactant molecules and increase the amount of product formed
b) cause the equilibrium to shift to the left
c) increase the amount of collisions between reactant molecules and decrease the amount of product formed
d) decrease the amount of collisions between reactant molecules and decrease the amount of product formed

Which of the following gives the best definition of a solvent?
a) a homogeneous mixture
b) a polar substance in which a solute is dissolved
c) the substance in which the solute is dissolved
d) a liquid in which a substance can be dissolved

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 36017 in the upper right hand corner or click here.

TEACHERS / EDUCATORS
Log In | Sign Up / Register

Help / Support / FAQ




Gaming Links