Describe what a mole is - - its value, its uses, the general concept.

Chemical reactions occur when chemical bonds between atoms are formed or broken. reactants come together and produce a reaction at the end known as the products. a reactant combined with another is written as a chemical formula.

Determine the number of valence electrons for aluminum through the use of this table.

In chemistry class, you are given a density column with golden syrup, water, and oil. Your teacher gives you an unknown substance. The unknown substance is a solid, and it has been determined that the density of the unknown is 7.50 g/cm3.

Which compound would have a stronger ionic bond? Naci O Nal

Which of these compounds is an alkene? propanone butyne nonene methane

Determine the pH of a 0.350 M solution of HA. The pkb of A - is 12.830.

Which statement is true about oxygen-17 and oxygen-18?

A man is making chicken noodle soup and has found it to be too salty. What method could he use to make the soup less salty? a. Add equal measured amounts of water to the soup. b. Bring the soup to a boil so that some of the broth evaporates. c.

A solution of H2SO4 (aq) with a molal concentration of 3.97 m has a density of 1.216 g/mL. What is the molar concentration of this solution?

How can you chose values for x when making a table of values representing a real world situation?