Rate of Reaction (ROR
Motion
Conservation of energy
(Blank)
Gas exchange
100
What is a rate?
A rate is a measure of how fast of slow something is
100
What's the difference between distance and displacement?
Distance: actual path length, displacement: final and initial position.
100
whats the unit of power? work? energy? (100)
answer: power= W, work= J, energy= J
100
What is a mole
A big quantity of atoms
100
What is the difference between respiration and breathing?
respiration is the process which the body uses to produce energy from digested food (glucose) breathing is inhalation (02) and exhalation (CO2)
200
Name one expieriment that we did during this topic
Catalyst
200
What is the difference between speed and velocity?
Speed is the time rate at which ofobject, while velocity is the rate and direction.
200
how many Watts is a MegaWatt? (150)
answer: 1000 watts
200
What is the avogadros number?
6,02 x 1023= 1 mole
200
What are the properties needed for gas exchange
Moist
Large surface area
thin
good supply of oxygen
300
What is a chemical reaction?
A chemical reaction is the re-arrangement of atoms or compounds . The breaking atoms that re-arrange new ones.
300
What's the difference between distance and displacement?
Distance: actual path length, displacement: final and initial position.
300
whats the formula of kinetic energy? potential energy? what about mechanic energy? (300)
answer: PE = m x g x h, KE = (m x v2) : 2, ME = PE + KE
300
Hoy do you calculate AR
mass : moles
300
-What factors affect the rate of diffusion
temperature
concentration
surface area
400
What factors alternate the ROR
Surface area
Tempeture
Concentration
Catalyst
400
Is the object speeding up, slowing down, or neither?
decreasing
400
How do you calculate the power? both methods. (350)
answer:
Power = work done/time
Power = F x V
400
How do you calculate MR
grams : moles
400
What component of the cigarette deprives your lungs from oxygen?
Carbon monoxide
500
How to calculate ROR?
Time divided by volume
500
what would be the final speed of an object, it had a speed of 6.3 m/s and experienced an acceleration of 0,2 for 11 seconds. *speed in m/s and km/h
Vfinal = 6.3 + 0.2 x 11 = 8,5 m/s
500
Name the newton law that talks about conservation of energy (500)
energy cant be neither destroyed nor created.
500
how many grams are in 3 moles of N?
14x13
500
What is the function of the pleural membrane?
A fluid is found within this bag, surrounding the lungs, this fluid lubricates the lining of the lungs and stops function being generated.