How many grams of sodium metal are required to produce 8.42 moles of hydrogen gas in the provided reaction? 2Na + 2H2O ⟶ 2 NaOH+H2

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.

the cold front replaces the warmer air at the ground level changing the wind to be breezy and denser.there is also an immediate drop in the temperature.