Inverses
Exponential Equations
Equations
Basic Chem.
States of matter
100
What is the inverse function of f(x)=log12x?
f-1(x)=12x
100
The population of a city in 2010 was 16,025. Since then, the population has increased at a rate of 3.1% each year. Write a function that describes the population as a function of the number of years, t, since 2010.
P(t)=P0ert
P(t)=P0ert
What is f(t)=16,025e0.031t
100
The reactants are on which side of the equation?
Left
100
These particles are found in the nucleus of an atom
Protons and Neutrons
100
What is a measure of the average kinetic energy for a substance?
A- Temperature
200
This is the sketch of the graph of the inverse of the function f(x)=x3
What is 
200
Convert to logarithmic form: 16¾=8
What is log168=¾
200
This is the indication that a reaction is reversible
Double arrows
200
What are the charges of the three main subatomic particles?
Proton (+) Electron (-) Neutron (n/a)
200
This state of matter has a definite shape and volume.
Solid
300
The graphs of a function and its inverse are symmetric about what line?
What is the line y=x
300
Solve 11x=100. Round to the nearest hundredth.
What is 1.92
300
H2O- What is the 2 called and what does it represent?
Subscript, 2 Hydrogen atoms
300
3.) If the number of neutrons is changed in an atom, what has been formed?
Isotope
300
Why is heat conducted faster through a solid than a gas?
particles are closer together
400
The graph is the inverse of which function?
f(x)=3x
400
The population of a city in 2010 was 20,000. Since then, the population has increased at a rate of 2.8% each year. Estimate the population in 2025. (Round the the nearest hundred people.)
P(t)=P0ert
P(t)=P0ert
What is 30,400 people
(30439 to the nearest hundred people...)
(30439 to the nearest hundred people...)
400
When would a coefficient be used in a chemical equation?
When balancing equations
400
What is the octet rule?
The idea that atoms need to have a full outer shell of electrons which happens to be 8
400
For a substance to change states of matter, these weak “glue” interactions must be overcome
Intermolecular forces ( H-bond) (London Dispersion) (Hydrophobic Interaction)
500
How many points do the graphs of the function f(x)=x2 and f-1(x)=√ x have in common?
What is two?
(P.S. Consider if it was x3 and its inverse, x4 and its inverse, etc.)
(P.S. Consider if it was x3 and its inverse, x4 and its inverse, etc.)
500
Solve: 27x+5=9
Give your answer as a reduced fraction.
Give your answer as a reduced fraction.
What is x=-13⁄3
500
This is the main reason why equations must be balanced
Matter can never be created or destroyed
500
What is an anion and cation?
Anion = atom with a negative charge (extra electron) Cation = atom with a positive charge ( lost an electron)
500
A triple point is when_____________ and to achieve this; the following two variables must be manipulated.
a substance is in a solid liquid and gas at the same time, pressure and temperature