Asample containing 4.50g of o2 gas has an initial volume of 15.0l
what is the final volume, in liters, when each of the following changes occurs in the quantity of the gas at constant pressure and temperature?
1. a sample of 2.30g of o2 is added to the 4.50g of o2 gas in the container.
express your answer to three significant figures.
v= l

What is the mass of 0.46 mil of mgcl2

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

What relationship exists between an enzyme and a catalyst?