How many atoms are in 35.1 g of sodium chloride (NaCl) ?

Define Aqua regia and write a short note on it

Significant Digits and Scientific Notation Part 1: Determine the number of significant digits in each number and write out the specif significant digits. Submit Part 1 and Part 2 to your professor when completed. 1. 405000. 2. 0.0098. 3. 39.999999.

What is the change in oxidation number of sulfur when the dithionite anion, s2o42-, is converted to so2 in an oxidation-reduction reaction? does each sulfur atom gain or lose electrons in the reaction? is sulfur oxidized or reduced in the reaction?

Example of a biochemical sedimentary rock that is rich in carbon

The smallest particle of an element is called what?

Find the parent acid and parent base of al2 (co33, determine if they are strong or weak, and determine if the salt is acidic, basic, neutral, or unpredictable.

A syringe contains 589 mL of CO at 325 K and 1.2 atm pressure. A second syringe contains 473 mL of N2 at 298 K and 2.6 atm. What is the final pressure if the contents of these two syringes are injected into a 1.00 L container at 0.00°C?

Which pair of elements can form an ionic compound? A) Two atoms of hydrogen B) One atom of sodium and one atom of fluorine C) One atom of calcium and one atom of chlorine D) Two atoms of hydrogen and one atom of oxygen

Two members of the Boron family owe their names to bright lines in their emission spectra. Indium has a bright indigo blue line (451.1nm) and Thallium has a bright green line (535.0 nm). What are the energies of these two spectra lines?

Whats the answer to 7/2 * 1/5?