Based upon the following equation: P4 + 5 O2 - - > 2 P2O5 How many grams of P4 (molar mass 124 g = 1 mole) are necessary to react with 6.8 grams of O2 (molar mass 32 g = 1 mole) ?

What types of atoms generally form anions?

Calculate the mass in grams of NaCl that is present in 500.0 mL of a 0.900% (m/V) solution.

List 3 common house hold items and 2 physical properties for each

Think about a wooden chair and a balloon. what do these two objects always have in common?

A piece of potassium metal is added to a sample of zinc chloride. If you started with 3.8 g of potassium and 8.4 g of zinc chloride, determine the limiting reactant, and the amount of metal produced

Which tool is most suitable for a chemist to measure the mass of a liquid

What is the equation adheres to the law of conservation of matter

What ironic contrast does Vonnegut include in this scene? George tells his wife to forget sad things, but readers would expect George and Hazel to want to remember their son.

When the Sun is in its maximum solar cycle, which of the following occurs? A. One CME is produced every five days B. There is an unpredictable amount of energy C. Up to three CMEs are created in one day D. Protons and neutrons accelerate

How many daughter cells are produced in meiosis?