Answer:
D. 4, 3, 2.
Explanation:
Oxygen exists as the molecule O2. So it is:
4Fe + 302 ---> 2Fe2O3
A solid has a definite shape and volume. A liquid has a definite volume, but takes the shape of its container. A gas lacks either a defined shape or volume. Plasma is similar to a gas in that its particles are very far apart, but a gas is electrically neutral and plasma has a charge.
Evaporation, condensation, and precipitation are all parts of the water cycle. So the answer would have to be the water cycle.
9L!!! You take the moles of N2 in the reaction and then divide by one mole of nitrogen. Then you multiply that by the number of hydrogen moles in the reaction which in this case is 3. This gives you an answer of 3. You then take the number of hydrogen moles and multiply it by the 3L giving you 9L of hydrogen.
