4.50 x 10^12 atoms Cl in grams

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2

What would be the original temperature of a gas that has a volume of 2.0 l and a pressure of 2.0 atm and an unknown temperature that the volume increased to 3.5 l in its pressure decreased to 1.0 atm if the final temperature is measured to be 11°c

Na chemical reaction, activation energy increases the of the reactants. this outcome causes the particles to collide, which results in the of new products.