Motion
What is acceleration?
what is rate of reation?
is the speed at which a chemical reaction takes place
what is the formula for aerobic respiration?
in the diffusion in a cell what diffuses in and what out?
O2 diffuses in
Co2 diffuses out
what is formula for work
forcex displacement
how many m are 15km?
15000m
the rate of reaction increases
how many alveolus do you have in each lung? Average
700mil per lungs
what is a semi-permeable membrane?
a membrane that makes division but water parcticles can go through it?
what are some conditions that make the ME be constant?
- no friction
-no air resistance
mass x acceleration
what is a catalyst?
a compound that affects the reaction but is not affected
Fill in the blanks:
nostrils
nasal cavity
-------
------
trachea
1. pharynx
2.larynx
what happens when concentration is the same outside and inside?
there is no net movement of water molecules
What are all the units used for conservation of energy?
UNITS
kg
s
N
W
J
What are the types of motion graphs?
Distance vs Time and.....
Speed vs time
how can we change the RoR?
-concentration
-temperature
-surface area
what is the difference between breathing and respiration?
respiration is a process the body uses to realese energy from digested food. Breathing is inhaled and exhaled air
which factor affect rate of diffusion?
-temperature
-concentration
-mass
What is the formula of power?
Force x Speed
work done
--------
time
what is the definition of resting form?
energy in an object that will eventually will be converted in work
what is the particle theory?
The particle theory is:
The larger the sample, the greater the number of effective collisions, and the faster the rate of reaction.
why is tobaco and vaping adictive?
nicotine simulates the realease of the chemical doamine in the brain. Dopamine is involved in triggering a positive feeling.
what is the number of mole?
6.02 x 10^23
what is the definition of efficiency?
percentage of energy consumed