3. Explain the following giving examples

(a) Saturated solution

(b) Pure substance

(c) Suspension

If a geologist found two fossils of different species buried next to each other in a rock layer, he or she might hypothezise that the two organisms may have been alive during the same period. true or false

What three characteristics of matter does chemistry deal with

In the reaction K2CrO4 (aq) + PbCl2 (aq) → 2KCl (aq) + PbCrO4 (s), how many grams of PbCrO4 will precipitate out from the reaction between 500.0 milliliters of 3.0 M K2CrO4 in an excess of PbCl2? A. 1.5 grams B. 3.0 grams C.

Element X is metallic and element Y is nonmetallic. What bond will X and Y form? a Metallic b Nonmetallic c lonic d Nonpolar e Covalent

2 of the important properties of gases. SaveStylesFormat Instructions

Why do you think plant fossils are less common than body fossils?

Why are valence electrons important?

A woman carriers her 100-newton child for a distance of 50 meters to the child's bedroom. How much work does the woman do?

Which statement best describes the compressibility of a gas? A Increasing the temperature of a gas decreases the pressure. B Increasing the temperature of a gas increases the pressure. C Increasing the pressure on a gas decreases the volume.

How many grams are in 3.0 moles of KCI (potassium chloride) ?