A solution contains 7.64×10-3 M nickel(II) nitrate and 1.34×10-2 M lead acetate. Solid potassium hydroxide is added slowly to this mixture. What is the concentration of lead ion when nickel ion begins to precipitate?

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius

Arectangle has a diagonal 20 inches long that forms angles of 60 and 30 with the sides. find the perimeter of the rectangle. for geometry

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.