Use the solubility curve above to answer this question. At 40°C, 100 grams of NaClO3 is added to 100 grams of water. What will happen if an additional 10 grams of NaClO3 is added to the solution? a. All 10 g will dissolve. b. 5 g will dissolve; 5 g will percipitate. c. All 10 g will settle to the bottom. d. All 110 g will crystallize out of the solution.

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

Select the correct value for the indicated bond angle in each of the compounds. o−o−oo−o−o angle of o3 90° 109.5° < 109.5° 120° < 120° 180° f−b−ff−b−f angle of bf3 180° < 109.5° < 120° 120° 109.5° 90° f−o−ff−o−f angle of of2 < 120° 120° 90° 109.5° 180° < 109.5° cl−be−clcl−be−cl angle of becl2 90° 109.5° 180° 120° < 109.5° < 120° f−p−ff−p−f angle of pf3 90° 109.5° < 109.5° 180° 120° < 120° h−c−hh−c−h angle of ch4 90° < 109.5° 180° 120° < 120° 109.5°

Which is an example of a reversible physical change?