A clear, pure liquid sample is brought into the lab and exposed to an electrical current. Different gases are produced on each of the electrodes. The sample is -

a. an element
b. an alloy
c. a compound
d. a polymer

How many grams of phosphorus are contained in 5.09 moles of phosphorus?

Astudent states that 9.0 g of baking soda will form an unsaturated solution in 100 g of water. what do you need to know to decide whether this statement is correct? a. the temperature of the water and the molar mass of baking soda b. the percent by volume of the solution and the solubility of baking soda c. the temperature of the water and the solubility of baking soda at that temperature

Nthis lab, you will do experiments to identify types of changes. using the question format you learned (shown above), write an investigative question that you can answer by doing these experiments