Review Game Zone
Games
Test
Preview
Back
Match it!
Match it! Select the correct answer from the pull down...Good luck!
What two criteria must be fulfilled in order for a reaction to occur
The powdered zinc has a greater surface area
free energy
The rate of dissolving equals the rate of crystallizing
heat of the reaction
negative
particles must collide with enough kinetic energy and proper orientation
solid --> liquid --> gas
80 kJ
If a catalyst is added to a system at equilibrium, and the temperature and pressure remain constant, there will be no effect on the
The powdered zinc has a greater surface area
free energy
The rate of dissolving equals the rate of crystallizing
heat of the reaction
negative
particles must collide with enough kinetic energy and proper orientation
solid --> liquid --> gas
80 kJ
A reaction occurs more slowly when a single piece of zinc is used than when the same mass of powdered zinc is used. Why does this occur?
The powdered zinc has a greater surface area
free energy
The rate of dissolving equals the rate of crystallizing
heat of the reaction
negative
particles must collide with enough kinetic energy and proper orientation
solid --> liquid --> gas
80 kJ
The expression deltaH - TdeltaS is equal to the change in
The powdered zinc has a greater surface area
free energy
The rate of dissolving equals the rate of crystallizing
heat of the reaction
negative
particles must collide with enough kinetic energy and proper orientation
solid --> liquid --> gas
80 kJ
Which statement is true for a saturated solution?
The powdered zinc has a greater surface area
free energy
The rate of dissolving equals the rate of crystallizing
heat of the reaction
negative
particles must collide with enough kinetic energy and proper orientation
solid --> liquid --> gas
80 kJ
Assume that the potential energy of the products in a chemical reaction to be 60 kJ. This reaction would be exothermic if the potential energy of the reactants were
The powdered zinc has a greater surface area
free energy
The rate of dissolving equals the rate of crystallizing
heat of the reaction
negative
particles must collide with enough kinetic energy and proper orientation
solid --> liquid --> gas
80 kJ
In order for a reaction to be spontaneous, the sign of delta G must be
The powdered zinc has a greater surface area
free energy
The rate of dissolving equals the rate of crystallizing
heat of the reaction
negative
particles must collide with enough kinetic energy and proper orientation
solid --> liquid --> gas
80 kJ
Which series of physical changes represents an entropy increase during each change?
The powdered zinc has a greater surface area
free energy
The rate of dissolving equals the rate of crystallizing
heat of the reaction
negative
particles must collide with enough kinetic energy and proper orientation
solid --> liquid --> gas
80 kJ
Check it!
Match it!
Match it!