N2H4 (l) --> N2 (g) + 2 H2 (g) 2 H2 (g) + O2 (g) --> 2 H2O (l)
- If you lost some of your hydrogen gas during your reaction and only produced 7.25 g of H2 (g) how many grams of water will you produce?
1g = 1ml and 1 L = 1000 ml
- How many liters of water will this produce?
- Watney needs 618L of water to survive on Mars until the next mission arrives and can rescue him. Does 7.25g of H2 produce enough water for him to survive?

The activity series is shown in the attached picture. if the element is below the other, then you can displace the other. following the activity series as a guide, the reactions are as follows: nickel and aluminum chloride3 ni + 2 alcl₃  → 3 nicl₂ + 2 albarium and copper bromideba + cubr  →  no reaction because cu is less oxidizable than bapotassium nitrate and aluminum3 kno₃ + al  → al(no₃)₃ + 3 ksodium phosphate and zincnaso₄ + zn  → znso₄ + na

Ais your answer to this

Green is technically every other color but green but the other wavelengths of the other colors get absorbed by the object and the wavelength of the color green gets reflected