if youre given 35g of hcl, how many grams of mncl2 could you produce if you reacted it with excess mno2? MnO2 + 4HCl = Cl2 + MnCl2 + 2H2O

If you need to add 27.50ml of a solution, which piece of glassware would you use to deliver this volume and explain how you would determine if the 27.50 ml was measured?

How does nathan’s hypothesis lead to new investigations

Which of the following statements is true? a. most heat energy is easily recovered and used for useful actions. b. friction causes molecules to vibrate more slowly. burning air and gasoline in an c. engine changes chemical energy into mechanical energy. it is impossible to d. change mechanical energy into mechanical energy.