The correct answer (reported to the proper number of significant figures) to the following is

(12.67+19.2) (3.99) / (1,36+11.366) =

Convent 23.00 degrees celsius to the unit kelvin.

Which of the following is a valid conversion factor 1) 1,000 mL / 1L 2) 1hm / 1,000 m 3) 1cm^3 / 1L 4) 1,000 cg / 1g

Papers scattered randomly across the desk represents high entropy and are a good example of which law?

The element X has 2 valence electrons. its is a

Is the mass of an electron taken into account for the atomic mass? Why or why not?

A certain radioactive element has a half-life of one hour. if you start with 1.0 gram of the element at noon, how much of the radioactive element will be left at 2 p. m.? 0.50 grams 0.25 grams 0.125 grams 0.0 grams

Name two bases which react with dillute sulfuric acid to give zinc sulfate

What is the correct name for the compound nh4clo4?

What is the molality of a solution when 1.2 moles MgCl2 is stirred in 1000 grams of water?

How many elements are in one molecule of Methane? How many elements are in one molecule of Ammonia? How many elements are in one molecule of Vinyl Alcohol? How many elements are in one molecule of Ethylene?