Cu+2AgNOX 3 2Ag+Cu(NOX 3 )X 2 How many moles of \ce{Ag}AgA, g will be produced from 16.0 \text{ g}16.0 g16, point, 0, start text, space, g, end text of \ce{Cu}CuC, u, assuming \ce{AgNO3}AgNOX 3 is available in excess?

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?