Solid chromium is to be plated out from a solution of CrCl3 . It takes 5.10 kWh to plate out 155 g of Cr. What is the minimum voltage required?

Aball bearing at 220.0 °c is dropped into a cup containing 250.0 g of water at 20.0 °c. the water and ball bearing come to a temperature of 30.0 °c. what is the heat capacity of the ball bearing in j/°c? (hint: how are the algebraic signs of q related for the ball bearing and the water? )

The two required components for a generator are

Which lists the organs in the correct order as food passes from the mouth to anus?