Acids and Bases
Thermochemistry
Gases
Solutions
Nuclear Chemistry
100

______ ionize in water to produce H+and have a low pH. 

Acids

100
Reactions that release energy are called __________.
exothermic
100
Describe gases in terms of shape and volume.
No definite shape or volume.
100

The substance that gets dissolved in a solution

solute

100
A reaction that changes the nucleus of an atom is called a ______ reaction.
Nuclear
200
______ taste bitter, turn red litmus paper blue, feel slippery like soap.
Bases
200
Reactions that proceed without outside energy being added are called _____________.
Spontaneous
200
What theory states that gas particles are spaced far apart, are constantly moving, and have mass?
The kinetic-molecular theory (KMT)
200

The max. amount of solute that can be dissolved in a given solvent

solubility

200
What are the 3 main types of radiation we discussed in class?
alpha, beta, and gamma
300
Phenolphthalein is a __________ that changes color in at different pHs.
indicator
300
A reaction with a positive delta H is a __________ type of reaction.
endothermic
300
1 atm=760mmHg=101.3kPa=______Pa?
101,325Pa
300

the most common measure of concentration

molarity

300
The amount of time it takes for 1/2 of a sample to decay?
Half-life
400
Calculate the pH of a solution that has a hydrogen ion concentration of 7.9 x 10^-4 M. (pH =-log(H+ conc)
3.1
400
When potassium chloride reacts with oxygen, potassium chlorate is formed (2KCl + 3O2 --> 2KClO3) What is the heat of the reaction? (H= -436 kJ/mol(KCl) H= -391 kJ/mol (KClO3) H=0 kJ/mol(O2)
90kJ
400
.02 L of a gas is collected at 292K, what volume will it occupy at 312K? (V1T2=V2T1)
.0214L
400

What is the molarity of a solution made by dissolving .256mol NaOH to make 230mL solution?

1.1M

400
What do you call the splitting of the nucleus of an atom?
Fission
500

What are the 3 strong binary (non-oxy acids)

HBr, HI, HCl

500
How much heat is absorbed if 20g of water is heated 10 degrees Celcius? (C=4.18J/g oC) q=m x c x delta T
836J
500
How many moles will occupy 649mL at 23 degrees Celcius and 85.9 kPa? PV=nRT
.0227
500
How many grams of HCl are needed to make 250mL of .50M solution?

4.6g

500
If the half-life of a nucleus is 10 years, how much of a 10 gram sample will be left after 30 years?
1.25g
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