When copper metal reacts with oxygen gas, black copper oxide, Cuo,
is formed. In an experiment it was
found that when copper reacted
completely with oxygen, 6.35g of
copper reacted with 1.60g of oxygen
gas, O,, to form 7.95g of copper oxide.
a Calculate the number of moles of
each reactant and product.
21

Pauling and lewis questioned the extreme definitions of bonds. they wondered if bonds might be described somewhere in between the two extremes (covalent and ionic). on the basis of experimental data,pauling confirmed that bonds could be ionic, covalent, and for those, in between, exhibit a degree of ionic character. he theorized that the major factor was how strongly the atoms in the bond attracted the electrons. pauling called this factor - the tendency of an atom to attract electrons in a bond.

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

How have the greenhouse gasses increased from the year 2000 to 2018