<u>Chemical</u>. The copper atoms form new chemical bonds with atoms in the air.
So in one hour half the amount remains (that's what half life means). In two hours 1/4 (or half of half) would remain and in three hours 1/8 would remain.
So the answer is 1/8
Answer:
The starting position of this object is 3 m
The object is traveling at a velocity of 3 m/s
Explanation:
The excretory system is how you excrete waste from your body, including bladder, anus, and kidneys
Answer:
Explanation:
according to balance chemical equation
3 A2 moles produced 2 moles of A3B
so 12 moles A2 will produced moles of A3B= 12*2/3=24/3= 8
therefore 12 moles of A2 produced 8 moles of A3B
