Answer: 7
Explanation: oxygen has 5 atoms and nitrogen has 2. Put them together and you get 7
They dim unless more volts are added (batteries")
Answer:
Molecules vibrate in a fixed position.
Explanation:
first one is just wrong.
third is liquid
fourth is gas
The molar mass of CO2 is 44 grams per mole.
165 grams / 44 grams per mole of CO2 = 3.75 moles CO2
Using Avogadro’s law where 1 mole of substance equals
6.023 x 10^23 molecules
3.75 moles CO2 (6.023 x 10^23 molecules /mole) = 2.26 x 10^24 molecules CO2
Answer:
A
Explanation:
If its going at a constant speed it will not accelarate wich means to speed up.