Explanation:
mass = moles × molar mass
0.25 moles × (2 × 16g/mol) = 8 g of O2
Answer:
C. Solid
Explanation:
It's most about the kinetic energy, when molecules have the least amount of room to move around, they have the least amount of energy.
For example if you think about gas and how spread out the molecules are in order to evaporate, there it the highest amount of energy there.
C. your entire body weight would be suspended by air
Answer:
All exothermic reactions _c.release energy____
Explanation:
Exothermic reactions are those that give off energy, for example in the form of heat in combustion (it has a negative enthalpy variation, the energy of the products being less than the energy of the reagents)
Answer:
The oxidation number of oxygen is -2 and hydrogen is +1
Hope this helps ^-^
Explanation:
