What is the mass of exactly 1 mol of the following elements osmium, Cesium, krypton

The uncoupler 2,4-dinitrophenol (DNP) was once prescribed as a weight-reducing drug. How could this agent, in principle, serve as a weight-reducing aid? Uncoupling agents are no longer prescribed because deaths can occur following use.

In this lab experiment, you will react copper (II) chloride and aluminum. You will look for clues as to which substance was in excess and which limited the reaction.

A thin-walled plastic bottle is sealed at an altitude of 19,000 feet. What would happen to this bottle if it is carried down to 1,000 feet?

Identify the limiting reactant in the reaction of bromine and chlorine to form BrCl, if 29.7 g of Br2 and 11.2 g of Cl2 are combined. Determine the amount (in grams) of excess reactant that remains after the reaction is complete.

A canister of gases contains oxygen, nitrogen, and hydrogen. Oxygen's partial pressure is 100 torr, nitrogen's partial pressure is 200 torr, and hydrogen's partial pressure is 50 torr. What is the total pressure in the canister?

How many additional electrons can fit into the n = 3 shell of sulfur?

In a titration, what is the name of the substance that is being determined?

What is conditioned stimulus?

Write a chemical equation representing the first ionization energy for lithium while using e as a symbol for electron.

7. How many moles of H3PO4 are there in 658 grams of H3PO4?