Answer:
2 option is the right answer
Answer/Explanation:
62.559%
mass of an element X 100%
mass of the compound
Scientific Notation: 3.45 x 10^5
E Notation: 3.45e5
Answer: Photosynthesis uses carbon dioxide, while cellular respiration produces carbon dioxide.
Explanation: i took the test lol
Answer:
There are number of molecules.
Explanation:
Given that,
Volume, V = 22.4 L
Temperature, T = 0°C = 273.15 K
Pressure, P = 1 atm = 1.013 bar
We need to find the number of molecules. Let there are n number of molecules. We know that, ideal gas law is as follows :
n = 0.999 moles
No. of molecules,
So, there are number of molecules.