What is the pressure exerted by 3.00 mol of ar gas with a volume of 50.0 l at 25.0ºc (298.2 k) ?

Why do different chemicals emit different colors of light, and why is the color emitted specific to that chemical?

When a neutral atom loses an electron what happens to its size

Which of the following would increase the pressure of a gas? A. Taking a breath of air B. Letting air out of an air mattress C. Lying on an air mattress D. Throwing a balloon into the air

How many grams of co2 are in 6 mol of the compound and the units?

If 45.5 g of a metal that has a density of 3.65 g/mL is placed in 45.0 mL of water, what is the final volume?

How many moles of al2o3 are formed when 0.78 mol o2 reacts with aluminum?

The dissociation of a weak electrolyte is suppressed when

There are seven major levels of classification. Kingdom and Phylum are just two of the levels. Which of the following are also major levels of classification? Choose all answers that are correct. A. Class B. Order C. Family D. Level

An experiment with high validity is

What is the smallest part of a tree that can do all the things needed for life?