A 2.5 mg sample of magnesium powder is ignited with 2 mg oxygen in a sealed container. All of the magnesium is consumed and 4.15 mg of white solid magnesium oxide is formed.

Find the mass of the unreacted oxygen

What is the mass of 2mol of KBr and the mass of 0.1mol of C6H12O6

What is the general structure for a chemical equation?

A mixture containing 22.5 gg of ice (at exactly 0.00 ∘C∘C) and 77.1 gg of water (at 50.9 ∘C∘C) is placed in an insulated container. Assuming no loss of heat to the surroundings, what is the final temperature of the mixture?

Keeping the amount of gas and the pressure constant while you raise the temperature will cause the volume of a gas to increase. True or False?

Predict whether or not a precipitate forms upon mixing 175.0 ml of a 0.0055 mkcl solution with 145.0 ml of a 0.0015 m agno3 solution. identify the precipitate, if any. express your answer as a chemical formula.

Is albinism a dominant or recessive trait

If T = dominant, and t = recessive, what would the genotypes be?

What problem would unlimited cell growth pose for a cell

Complete the following analogy. Homogeneous is to soluble particles as heterogeneous is to A. solute particles. B. solvent particles. C. insoluble particles.

Water vapor will condense, turn into a liquid, first on the outside surface of which glass