How many moles of argon exist in the new conditions?

What law is based on the experiments of lavoisier

How is the molar mass of an element determined?

Barium nitrate reacts with aqueous sodium sulfate to produce solid barium sulfate and aqueous sodium nitrate. abigail places 20.00 ml of 0.500 m barium nitrate in a flask. how many grams of barium sulfate will be produced?

An acidic substance is mixed with an equal amount of a basic substance. A. What is the reaction called? B. What are the products formed? C. What is the nature of the salt formed?

What is the lewis structure for C2H3OH?

The model of the atom where the central core contains protons and neutrons surrounded by a cloud of electrons is best described as A) The Bohr model of the atom. B) The modern model of the atom. C) The plum pudding model of the atom.

How would you figure the number of protons or electrons in an atom

If element X has 67 protons, how many electrons does it have?

Why is the nitrogen cycle more complicated than the water cycle or the carbon cycle?

What is the concentration of h + in a 0.150 m solution of the diprotic acid h2x? for h2x, ka1=4.5*10-6 and ka2=1.2*10-11?