Acids and Bases
Thermochemistry
Gases
Redox
Nuclear Chemistry
100
Acids are ______________ with a low pH. Proton donors or proton acceptors?
proton donors
100
Reactions that release energy are called __________.
exothermic
100
Describe gases in terms of shape and volume.
No definite shape or volume.
100
In terms of oxidation number, what is oxidation?
An increase in oxidation number.
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

In terms of electrons, what does a reducing agent do?

Gives up electrons

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

Which substance is oxidized in the following reaction?

HNO3  + I2 --> HIO3  + NO2

I2

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

Identify the oxidizing agent (gets reduced)in the following reaction: 3H2S + 2HNO3 --> 3S + 2NO + 4H2O

HNO3 (+5 to +2)

400
What do you call the splitting of the nucleus of an atom?
Fission
500
Identify the conjugate base in the following reaction: C2H3O2- + HCl --> Hc2H3O2 + Cl-
Cl-
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

What is the oxidation number of nitrogen in AgNO3?

 K + AgNO3 --> KNO3 + Ag

+5

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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