Show:
Unit 4
Unit 5
Unit 6
Unit 7
Random
100
This state of matter has no definite shape, but does have a definite volume.
What is liquid?
100
This is what we call 1 mole of any substance.
What is the gram-formula mass?
100
A substance with a pH of 5 would be this.
What is an acid?
100
This is the energy needed to turn reactants into products.
What is the activation energy of the forward reaction?
100
This is the unit we use to measure heat energy.
What are Joules?
200
Two or more different elements that are chemically bonded together.
What is a compound?
200
This is the number of grams in a 2.5 mole sample of aluminum.
What is 67.5 grams?
200
A substance with a pH of 8 would be this.
What is a base?
200
This is the PE products - PE reactants.
What is the heat of reaction (^H)?
200
This is the unit we use to measure temperature when we're not using Celsius.
What is Kelvin?
300
This phase change turns a sample of matter from a gas to a liquid.
What is condensation?
300
This is the number of moles in a 200 gram sample of calcium.
What is 5 moles?
300
HCl + NaOH --> NaCl + H2O is an example of this type of reaction.
What is a neutralization reaction?
300
In this type of chemical reaction, the reactants have more energy than the products because the system releases energy.
What is an exothermic reaction?
300
This is the base unit for liquid volume in the metric system.
What is liter?
400
This is the amount of disorder.
What is entropy?
400
This is the number of grams in a 0.23 mole sample of xenon.
What is 30.13 grams?
400
An experiment where a specific amount of one substance is slowly added to another substance to discover the concentration is an example of this.
What is a titration?
400
This is the highest energy species of a chemical reaction; when the reactants are directly in the middle of their transformation into products.
What is the activated complex?
400
There are two units of pressure that we use in this class. Name one of them.
What are atmospheres, or Pascals?
500
This form of matter has elements and compounds that are physically mixed, and uniform.
What is a homogeneous mixture?
500
This is the number of moles in 78 grams of Mg(C2H3O2)2.
What is 0.55 moles?
500
It takes 37 mL of 2M H2SO4 to fully neutralize 50 mL of KOH. What was the molarity of the base?
What is 2.96 M ?
500
The way to increase the rate of a reaction is to increase the number of these.
What are effective collisions between reactant particles?
500
This is the unit we use to measure the mass of atoms and subatomic particles.
What are atomic mass units?