A .5g sample of carbon 14 is discoverd. how much carbon will exist in 5730 years

What type of reaction fuels the processes seen here?

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.

A5.00 g of a in . g of at aa 5.00 g of b in . g of .?at .