Which of the following materials should be classified as a mixture?

Air

Carbon

Salt

Water

Kendrick sees a display of rock samples at a museum. The information included in the display is as follows: Rock A formed from liquid rock. Rock B formed from small pieces of rock in a different place. Rocks A and B formed at about the same time.

WHICH Correctly states the temperature at which the reaction took place and whether the reaction is spontaneous or nonspontaneous? Use AG AH-TAS 0.30 K, spontaneous 1.92 K, spontaneous 297.8 K, nonspontaneous 1.924 K, nonspontaneous

Acids and bases can neutralize each other in double displacement reactions. For example, if hydrogen chloride (a strong acid, HCl) is mixed with sodium hydroxide (a strong base, NaOH), the products are water, H2O, and salt, NaCl.

Calculate the weight of an average egg if a dozen of eggs equals an average weight of 21 ounces.

How many grams of sodium chloride are required to make a 1.0 L solution with a concentration of 3.5 M? 205 grams 0.205 grams 3.5 grams 59 grams

Homogeneous mixture definition in chemistry

Explains why heating a liquid affects its viscosity? The molecules move faster at higher temperatures and overcome attractions more easily. The molecules move faster at higher temperatures, and the attractions between them increase.

Which of the following is a correct procedure for the operation of a microscope? A. Use the fine focus knob with the low power lens and use the coarse focus knob with the high power lens. B.

The Chemist has available four different sizes (based on maximum volume) of graduated cylinders. If the Chemist desires to measure 8 mL, which of the following cylinders is the best choice (based on the criteria given in the class handout) ?

How many atoms altogether make up one molecule of glucose