Answer:
3.87 x 10^24
Explanation:
Simply multiply the moles by avogadros number
6.42 moles of H2O x 6.022 x 10^23 molecules/1 mole of H2O = 3.87 x 10^24 molecules of H2O
Answer:
greenhouse effects are molecules that trap heat on earth atmosphere
Answer:
11.35 g/cm³
Explanation:
If your rounding then 11.4. hope this helps :)
Answer:
A. The cost of producing a kilowatt of power with fuel cell will be less than $30 in 2015
The answer is D higher potential energy and is unstable