C2-Rates of reactions
What are the compounds on the left side of a chemical reaction called
reactants
What does the group number tell you about an elements electronic configuration
how many electrons on the outside
What is the unit for power
Watts
What is the equation for photosynthesis
water+ carbon dioxide--> glucose + oxygen
What process happens inside the mitochondria
respiration
How could you know a reaction has happened if a gas has been produced inside a liquid?
bubbles
What type of ion would magnesium make
+2
When you break a bulb in a parallel circuit what happens to the others
they stay on
What hormone regulated your metabolism
thyroxine
What is density
mass per volume
What is something you could add to a reaction to lower the activation energy needed
catalyst
NaCl would make a ionic or covalent bond? Why?
ionic- metal and non metal
If you want to slow down a current what would you do
add in resistance
What is the blood vessel called that takes blood from your heart to your body
Aorta
Rearrange : C= 0.5 x A x B2 to solve for B
B= Square root( C/ 0.5 xA)
How could you measure how fast a reaction happens when a solid appears in a liquid
put the transparent solution over a card with an x and stop the timer when the x disapears
Why can ionic bonds conduct electricity
free moving electrons
How could you change the direction of a current with an electromagnet
move the magnets in relation to the coil
Why do you keep breathing heavily after excercise
repay the oxygen debt
What is specific heat capacity
energy required to change 1 kg of a substance by 1 degree celcius
What type of reaction has less energy in the products than the reactants
exothermic
Why do simple covalent bonds have low boiling points
weak intermolecular forces
What are Transformers
Change the size of the p.d in an AC current
What does nitrogen fixing bacteria do
turn N2 gas in atmosphere into ammonia
What does Clomiphene therapy do?
contains FSH and LH causing more eggs to mature and be relseased