Show:
Acids and Bases
Thermochemistry
Gases
kinetics/equil
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 order for a reaction to occur there must be proper geometry & _____

energy

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

What are 2 things that can be done to speed up a chemical reaction?

increase temp, conc. pressure (gases), or surface area (solids)

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

What principle states that if a system at equilibrium is subjected to a stress, the equilibrium position will shift to reverse the effects of that stress?

Le Chatelier's Principle

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

If the temperature is increased on an exothermic reaction, the reaction will shift ____.

left

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 effect to catalysts and inhibitors have on equilibrium position?

no shift

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