An ..........................is a substance that slows down or prevents a chemical reaction.
inhibitor
This chemical reaction uses more energy than it releases...........true or false
true
The catalyst itself is used up in the reaction. true or false
false
the greater the number of the collisions, the greater the rate of reaction. true or false
true
.................Is the amount of the matter within a certain volume.
Concentration
..........................Is the smallest amount of energy needed to start a chemical reaction.
Activation energy
Formation of rust or tarnish can happen Immediately.....true or false
false
,,,,,,,,,,,,,,,,,,,,,,,,,Is a substance that increases the rate of a chemical reaction.
A catalyst
sodium metal explodes upon contact with water. ,,,,,,true or false
true
an inhibitor Is a substance that increases the rate of a chemical reaction. true or false
false
the more molecules present, the greater the probability of a collision and the faster the rate. true or false
true
the higher the temperature, the greater the kinetic energy and more likely they are to collide.
true
Rates of reactions are not affected by concentration and temperature............true or false
false
This chemical reaction releases more energy than it uses. true or false
true
With increasing the surface area, The rate of the chemical reaction decreases.
false
With increasing the concentration of the reactants, the rate of the chemical energy increases. true or false
true
lighting a match is a slow reaction ....true or false
false
For molecules and atoms to form bonds, they must collide with each other. true or false
true
Acid rain is a fast reaction ..............true or false
false
Burning a log is a fast reaction .............true or false
true
..........Is the area on the outside of an object.
Surface Area
A catalyst is a substance that slows down or prevents a chemical reaction. true or false
false