How long would it take a Semi-Truck traveling at an average velocity of 65 mph to travel a distance of 1800 miles.

What is the temperature of one mole of helium gas at stp?

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

Consider this initial-rate data at a certain temperature for the reaction described by