Write the charge and mass balances for a solution made by dissolving MgBr2 to give Mg21, Br2, MgBr1, and MgOH1. (b) Modify the mass balance if the solution was made by dissolving 0.2 mol MgBr2 in 1 L.

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options:

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?