A piece of wood is know to be 34,320 years old. At the present time, the wood contains 4.0 g of radiocarbon. How much carbon-14 was in the wood originally? The half-life of carbon-14 is 5,720 y.

What woukd most likely be the transmittance at a 0.70 m solution of solute a? a) 7.6%b) 1.1%c)4.0%d)4.6%

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.

How do you know when a chemical reaction has occurred