Which of the following contains maximum number of atoms? a) 2.0g hydrogen b) 2.0g oxygen c) 2.0g nitrogen d) 2.0g methane

Mr. Watson's students brought him a cake on his birthday because he was their favorite teacher. Before he blew out the candles, however, he asked his class to name the physical and chemical properties of the candles.

How many teaspoons equal one tablespoon?

What is the manganese (IV) oxide function in the decomposition reaction of potassium chlorate?

What is an extensive property of marker ink?

Which statement about the law of conser- vation of mass is NOT true? A) The mass of reactants must equal the mass of products. B) All the atoms on the reactant side of an equation are also on the product side.

Which atom can accommodate an octet of electrons but doesn't necessarily have to?

Heat is an exchange of internal energy from one system to another due to A. a temperature difference between the systems. B. one system being gas and the other being solid. C. the systems having the same temperature. D.

Sierra did 500 J of work to move her couch. If she exerts 250 N of force on the couch, how far did she move it? (Work: W = Fd) 0.5 m 2 m 250 m 750 m'

Lead (ii) sulfide (pbs) has a ksp of 3.0 * 10-28. what is the concentration of lead (ii) ions in a saturated solution of pbs? 1.7 * 10-14m 1.5 * 10-14m 3.0 * 10-14m

A 2.17 gm sample barium reacted completely with water what is the equation for the reaction how many milliliters of dry H2 evoled at 21degree celcius and 748mm of Hg?