How many eggs are present in one mole of eggs?
12 x 10°
12 x 101
6.022 x 1012
6.022 x 1023

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?

At a certain temperature the rate of this reaction is first order in hi with a rate constant of : 0.0632s2hig=h2g+i2g suppose a vessel contains hi at a concentration of 1.28m . calculate how long it takes for the concentration of hi to decrease to 17.0% of its initial value. you may assume no other reaction is important. round your answer to 2 significant digits.