What is loss of Hydrogen
gain of oxygen
loss of electrons
100
Match the following to how many bonds are formed
Alkanes, alkenes, and alkynes
double bond, triple bond and single bond
What is alkane - single bond
alkene- double bond
alkyne - triple bond
100
What is the atom represented for alpha decay?
What is He 4,2
100
the 1st law of thermodynamics states...
What is energy cannot be created or destroyed
100
What is the main problem with solar energy?
What is Low concentration, or not enough concentration to harness to a full potential.
200
What are the conditions for reduction?
What is loss of Oxygen
gain of Hydrogen
gain of electrons
200
Draw the condensed formula for butane
What is CH3CH2CH2CH3
200
Nuclear Chemistry involves the change within (where in the atom)
What is nucleus
200
endothermic reactions has what effect on energy?
What is absorb energy from their surroundings.
200
Photo-voltaic systems take solar energy and convert it into ?
What is electricity
300
HF + Cl2 --> F2 + HCl
What species is oxidized?
What is HF
300
Draw the functional group alcohol
What is R-OH
300
Kr 85,36 goes through beta decay to form what product?
What is Rb 85,37
300
Power, the rate of energy ouput, can be measured in what units?
What is watt, or J/s
300
What alternate power source does not get its energy from the sun?
What is geothermal power
400
Why cover up fruit such as apples or bananas that have vitamin C in them?
What is the oxygen in the air will oxidize it, therefore rotting it
400
Draw the functional group aldehyde
What is R-COH
400
What reaction cannot be used in nuclear power plants, because the temperatures would be too high to contain?
What is fusion reactions
400
If entropy is the random movement of energy, what is the heat of energy called in a reaction?
What is entalpy
400
What 2 reasons are problems associated with storing solar energy in batteries?
What is they are expensive, and there is a loss of energy during the conversion process.
500
In electrothermal batteries, why would the batteries run out of energy?
What is all the reactants in each cell are completely used up
500
Molecules with the same chemical formula but different structures are known as?
What is an isomer
500
I have a dinosaur fossil and I want to find out how old it is. What technique would I use?
What is Carbon (14) dating
500
If 1000 cal = 1 Cal and 4.18J = 1 cal then
If i have a 45g block of iron and I melt it using 5.7 Cal, then how much Joules did it take to melt that iron block?
What is 2.4 x 104 Joules
500
What should you use for home heating, that would be most beneficial to us and the environment?