If 1.5055×1022 molecules of a gas at stp have a mass of 7.538 grams, what volume (l) will 90.0 g of this gas occupy under the pressure of 2.0 atm and temperature 47.0 °c?

You have a sample of a gas that occupies a volume of 17ml at -111 degrees celsius. what volume does the sample occupy at 88 degrees celsius? show all work asap

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al oxidizing agent = reducing agent =