A sample of carbon dioxide is contained in a 250.0 mL flask at 0.909 atm and 17.5 ∘ C. How many molecules of gas are in the sample?

I’m guessing you’re more alert to yourself or your surroundings if you’re more concentrated

True, the standard unit for volume is liters which can be represented by either a lower case "l" or a capital "l"

It has to be b i hope this

4- c, because all matter stays the same no matter what. it is still there. 5- b, because matter is known as mass. 6-c because, flammability is a chemical property. malleability is changing the shape of an object.