In the early 1700s scientists understood the composition of air.

The transition elements are in Groups A. coinage metals B. iron triad C. alkaline earth metals D. alkali metals

How many grams of Cl are in a 38.0-g sample of CFCl3

Describe, in detail, how to make 5.5 liters of a 2.5 molar HCl solution from a 10.5 molar HCl stock solution.

Basic molecules contain more ... a hydrogen ions (H+). b water molecules. c hydroxide ions (OH-). d oxygen atoms.

In Part 1, draw a mechanism for the reaction of butan-2-ol with sodium amide. In the box to the left, draw any necessary curved arrows. Show the products of the reaction in the box to the right.

Oil and water a combined to make salad dressing. Physical Change? Chemical Change? Both?

How is water different from most liquids? It expands when it freezes. It contains chemical bonds. It has ionic and covalent bonds. It boils when it is heated.

In the thermal decomposition of copper carbonate, the black solid left behind weights less than the original copper carbonate. Why?

The element Oxygen, O, is an example of which of the following? Question 8 options: A compound B molecule C atom D mixture

For the reaction N2 (g) + 3H2 (g) 2NH3 (g), what will happen if more ammonia gas is added?