True... there are better ways using less materials and printing is that
Answer:C
Explanation: Because the hot air is less dense than the surrounding air
Since orbital period depends on how far you are from the sun, planets closer to the sun have a orbital period less than one earth year.
These planets are Mercury and Venus
Answer:
Explanation:
We will need a balanced chemical equation with masses and molar masses, so, let's gather all the information in one place.
MM: 102.89 159.81
2NaBr + F₂ ⟶ 2NaF + Br₂
m/g: 25.4
(a) Moles of Br₂
(b) Moles of NaBr
(c) Mass of NaBr