Lt will be 29
http://www.chemicalelements.com/elements/cu.html
here is the link to cheek
good luck .
Ca(oh) 2 is calcium hydroxide
So
Calcium in one box
Hydroxide in the other.
Hope this helps!
Answer:
When air in contact with the ocean is at a different temperature than the sea surface, heat transfer by conduction takes place. The ocean also absorbs and stores energy from the sun, and when precipitation falls, it releases heat energy into the atmosphere.
Hope it helps:)
Answer:
The answer is "
".
Explanation:
Using formula:
1 U atom produces 1 Pb atom after decay.
U's original numbers are now the sum of U counts and Pb counts.
![\to 1 = (1+3) \ exp[(\frac{-\ln(2)}{t_{(half)}} \times t ]\\\\\to t = [\frac{\ln(4)}{\ln(2)}] \times t_{(half)}](https://tex.z-dn.net/?f=%5Cto%201%20%3D%20%281%2B3%29%20%5C%20exp%5B%28%5Cfrac%7B-%5Cln%282%29%7D%7Bt_%7B%28half%29%7D%7D%20%5Ctimes%20t%20%5D%5C%5C%5C%5C%5Cto%20t%20%3D%20%5B%5Cfrac%7B%5Cln%284%29%7D%7B%5Cln%282%29%7D%5D%20%5Ctimes%20t_%7B%28half%29%7D)
