This graph compares the amounts of three different substances that can dissolve in 100 g of water at temperatures between 0° C and 100° C. Which substance is most soluble?

substance 1

substance 2

substance 3

Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.

Can someone me with 3 and 4 plz. this is for masteries test.

Draw the lewis dot structure for each of the following polyatomic ions