List two uses of electroplating, giving the reason for electroplating in each case.

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

What’s the theoretical yield of solid lead

Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3