315g/95gmol-1
3.315 moles of MgCl2
I feel like the answer would be B. The chair pushes down on the floor becuase the question says when you sit in a chair, your body exerts a downward force on the chair so it would be pushing downward meaning that the chair would also go down making it push onto the floor.
Answer:
Explanation:
en un movimiento sísmico?
Answer: question 1 is b I believe
Explanation:
every action has an opposite reaction
Because they behave just like all the electromagnetic waves of the spectrum. Same equations, just shorter wavelengths and more energy.
Hope you get it :)