anyone got some good web sites about experiments of physics? I would like to do a few experiments but i am not very sure the procedures.I dont want my house blown off !
i need some helps....how does acid affect the ionization of water ?
....how does acid affect the ionization of water ?
if there are more hydroximum ions in the solution,what will the change of ionization of water?
In my poor knowledge, wave is created by a disturbance and meanwhile the particle just move upward or downward in a transverse wave . However , light seems a different one . It is move! can anyone explain it for me please?
1.Which newton's law describes inertia is proportional to mass? 1st or 2nd?
2.An object is on a slope, the graph of v-t shows that there is negative acceleration, how do you explain it ?
WHy OXygen can react with metal?As i know , oxygen(O2) is bonded by covalent bond and it should be neutral charge. So how can the metal react with oxygen?
Osmosis is the passage of water from a region of high water concentration through a semi-permeable membrane to a region of low water concentration.
.My question is why high water potential flows water to low water potential. What makes this occurs ?
Also, does enzyme still works after being...
low composition of sodium in table salt????
today i went to supermarket for buying some food, and i discovered that some salt which is low amout of sodium??how can it be?as i learnt from chemistry , the ratio of sodium and chloride is 1 to 1 .