Use the Ideal Gas Law to calculate the number of moles (n) of helium in a 4000 Liter weather balloon near the top of Mt. Rainier with a pressure of 0.6 atm and temperature of 260K.

The slope of a distance-versus - time graph shows an object's? A. time of travel B. none of the other answer choices C. distance traveled D. speed

How to calculate molar absorptivity without concentration

How many molecules are in 7.90 moles of CH4? 1.31 x 10-23 molecules 7.62 x 1022 molecules 4.76 x 1024 molecules 2.30 x 1025 molecules

If the first half-life of a zero-order reaction is 200s, what will be the duration of the next half-life?

What happen to temperature & pressure as you go deeper into the earth

What is the formula for the ionic compound formed by magnesium and iodine?

Which organism lived on Earth during the Precambrian time? A. fern B. dinosaur C. cyanobacteria D. octopus

What is the concentration of chloride ion when 16.8ml of a 0.554 M solution of barium chloride is combined with 16.8ml of a 0.593M of aluminum chloride?

A chemist measures the amount of fluorine gas produced during an experiment. she finds that 76.9 g of fluorine gas is produced. calculate the number of moles of fluorine gas produced.

The job of the human heart is to circulate blood through all of the body's arteries, capillaries, and veins. The job of the human lungs is to supply the small amount of blood in them with oxygen.