What is the percent by mass of water in Na2SO4*10H2O

What metals generally form ionic bonds

How do animals contribute water vapor back into the atmosphere? A. precipitation B. respiration C. evaporation D. condensation

how many moles of an ideal gas would occupy a 25.0 liter container when the temperature is 295 K and the pressure is 0.850 atm?

if the charcoal from an ancient fire contains 1/512 amount of carbon-14 as a living tree, how long ago did the fire occur? the half life of carbon-14 is 5730 years

A person loses 2.70 lbs in two weeks how many grams did he lose?

What is an alloy consisting primarily of iron and carbon

How many moles of H2O are there in1.0g of H20?

Which property of gases allows them to be stored at high concentrations in a bottle of air freshener? What changes occur at the molecular level when ice cream melts and forms a liquid?

a gas has a volume of 6 liters and a pressure of 1.5 atm. if the container is compressed to a volume of 2 liters, what will the pressure of the gas be?

When metals react with nonmetals, an ionic compound generally results. what is the predicted general formula?