Redox Reactions
Batteries
Hydrocarbons
Nuclear Chemistry
Environmental Chemistry
100
What is reduction?
gaining electrons-GER
100
What type of battery is used in cars, boats, and campers?
lead acid storage
100
To be considered organic, what element must a compound contain?
carbon
100
What makes an atom radioactive?
an unstable nucleus
100
How does Nitrogen exist in the atmosphere?
N2 (nitrogen gas)
200
What is oxidation?
losing electrons-LEO
200
What type of battery is used in computers, phones, and other electronic devices?
lithium
200
How many bonds does carbon always form?
4
200
What type of radiation gives off the same thing as a Helium nucleus?
alpha radiation
200
What process returns both carbon and nitrogen to the earth after an organism dies?
decomposition
300
What are the oxidation numbers for PO4 3-
Oxygen always 2-, to have a total of 3-, P must be +5
300
What type of battery is the most common type of battery used in smaller devices?
dry cell
300
Alkenes have at least one ____________ bond.
double
300
What type of radiation particle is only a wave of energy?
gamma radiation
300
What human process upsets the balance of the carbon cycle and why?
burning fossil fuels, releases tons of CO2 into the atmosphere
400
True or False. Oxidation always occurs at the cathode and reduction always occurs at the anode.
False
400
What type of battery is often used in hybrid cars?
fuel cell
400
What is a group that branches off a straight chain hydrocarbon called?
alkyl group
400
What type of radiation has a -1 charge?
beta radiation
400
What are two processes that "fix" nitrogen?
nitrogen-fixing bacteria, lightning
500
What is a salt bridge and what is its purpose in a voltaic cell?
allows ions to flow freely so no buildup of + or - charge
500
What type of battery works by oxidation of hydrogen gas?
fuel cell
500
Come to the board and draw the structure for 2-methyl, 3-hexene (any way).
see board
500
Write the nuclear equation for the following reaction: Lanthanum -144 becomes cerium-144 when it undergoes a beta decay.
see board
500
Why is nitrogen important in living things?
it is a component of proteins and nucleic acids (DNA and RNA)
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