What is the concentration of H + ions at a pH = 11?

A pyrotechnician mixes 280 g of black powder for a firework. Find the amount of oxygen, carbon dioxide, and sulfur dioxide generated when this firework bursts, if the oxidizing agent in the powder is saltpeter.

Which law relates temperature, pressure, volume, and the number of moles of a gas under perfect conditions? Boyle's law Charles's, law ideal, gas law, combined gas law

What units do chemists normally use for the density of liquids and solids? For the density of gas? Explain the differences.

A crucible contains 6.4 g of copper, Cu. How many moles does this amount contain? [Given: Cu=64]

If the length width and height of a sphere is 3.7 what is the diameter

The density of solid Ag is 10.5 g/cm3. How many atoms are present per cubic centimeter of Ag?

24g copper is submerged in water in a graduated cylinder, and the total volume increases by 2.7 mL. who's is the density of copper?

Does gadolinium have an odor?

What kind of intermolecular forces act between a hydrogen iodide molecule and a dichloroethylene

Match each element to the number of electrons in its valence shell. Match Term Definition Beryllium (Be) A) Three Carbon (C) B) One Lithium (Li) C) Two Boron (B) D) Four