Which ray would appear on a ray diagram for both a concave lens and a convex lens?

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.

Are oil and water a mixture or solution

Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water