How many liters of hydrogen gas at STP are produced from 3.5 grams of sodium? Assume 100% yield. 2Na+2H 2 O 2NaOH+H 2

You 4. you have been swimming in your neighbor’s pool for an hour. the relative humidity of the air is 30 percent. will you feel warm or cool when you step out of the pool? explain your answer.

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?

What is i fracture in the crust called when land move up, down or sideways