The law which says that matter is neither produced nor destroyed in a physical or chemical reaction is the law of

Explain why losing an electron gives an atom a positive charge

In the chemical formula AuCI3, determine the elements and how many atoms of each one are present

Which solute-solvent pair would be expected to exhibit the greatest solubility? grease in water butter in oil table salt in oil butter in water

A particular radioactive nuclide has a half-life of 1000 years. What percentage of an initial population of this nuclide has decayed after 3500 years?

Vibrations of some molecules will absorb infrared radiation while others will not. Do the following vibrations absorb? Select Yes or No. nitrogen - YES or NO? dichlorodfluoro-methane - YES or NO? carbon dioxide - YES or NO?

What are explosives made up of

For the equilibrium reaction 2NH3 (g) + 22 kJ ↔ N2 (g) + 3H2 (g), which of the following changes would result in the formation of more N2 and H2 at equilibrium?

When a chemical reaction occurs, atoms rearrange to form new compounds, but no new atoms are created nor are any destroyed. this concept is called conservation of mass.

The elements on the Periodic Table are arranged in order of increasing (1) atomic mass (2) atomic number (3) first ionization energy (4) selected oxidation state

How many atoms in 6.2 moles of aluminum