If you stacked avogadro's number of pennies one on top of the other on earth's surface, how far would the stack extend (in kilometers)?

A penny is described as a coin having thickness of about 0.019 m as follows:

no but i do not usually comment or use my voice that much when it comes to social media

> b takes place in the gas phase in an isothermal tubular reactor. the feed is one mole of a per one mole of c, an inert. the entering temperature and pressure are 427°c and 10 atm, respectively. the gas constant r = 0.08206 atm · l/mol · k.