How many liters of water can be made from 55.0 grams of oxygen gas and an excess of hydrogen at STP?

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

What is the mass of 0.46 mil of mgcl2