its a chemistry question
2006-08-17 12:13:58 · 12 answers · asked by dough 1 in Science & Mathematics ➔ Chemistry
A battery discharging. The chemicals on one side transfer electrons to the chemicals on the other side. When you recharge it, the chemical process is reversed.
2006-08-17 12:31:14 · answer #1 · answered by Anonymous · 0⤊ 0⤋
Rusting
2006-08-17 19:18:05 · answer #2 · answered by Anonymous · 0⤊ 0⤋
photosynthesis, oxidative phosphorylation
when oxygen and hydrogen come together to form water
Alka-Seltzer® tablet in a cup of water - carbon dioxide gas is released.
THERE ARE TONS....just look around u....
toasting a piece of bread, burning wood, rusting metal
2006-08-17 19:18:44 · answer #3 · answered by ? 4 · 0⤊ 0⤋
chemical change is irreversible reaction. It usually requires heat before it can occur
2006-08-17 19:35:34 · answer #4 · answered by meezak_luv2000 1 · 0⤊ 0⤋
The exchange of electrons.....differences in pH make for a good reaction.Heat is good too.Don't forget pressure! It turns coal into diamonds!
2006-08-17 19:20:01 · answer #5 · answered by Danny 5 · 0⤊ 0⤋
Chemical change is when it can not get reversed right? So when something is burned, it's a chemical change. I think, I' not really sure.
2006-08-17 19:18:36 · answer #6 · answered by Anonymous · 0⤊ 0⤋
NaOH+HCl ----> NaCl+H2O (brainiac method of making your own water, man i laughed my a$$ off when i heard that)
2006-08-17 19:19:18 · answer #7 · answered by ? 4 · 0⤊ 0⤋
i think it has something ot do with chemical reaction
2006-08-17 19:20:48 · answer #8 · answered by alickson a 2 · 0⤊ 0⤋
a reaction, eg rusting
2006-08-17 19:22:06 · answer #9 · answered by Echo 4 · 0⤊ 0⤋
a reaction
2006-08-17 19:18:19 · answer #10 · answered by Anonymous · 0⤊ 0⤋