Prepare a 1.5 L of a 0.50 M solution of calcium nitrate. Determine the amount of calcium nitrate needed in correct significant figures. A) 77 g B) 120 g C) 306 g D) 490 g

What is the total reduction potential of a cell in which potassium (k) is reduced and copper (cu) is oxidized? a. 2.59 v b. 3.27 v c. -3.27 v d.-2.59 v

How do you lengthen a pattern piece? (family and consumer science, sewing)

•what conclusions can you make about the relationship between the volume of a gas and its temperature? • what conclusions can you make about the relationship between the volume of a gas and its pressure? • what possible variables have you not accounted for? as you did the procedures, is it possible that the atmospheric pressure may have changed? if it did change over the course of your experiment, then how would your results have been affected?