Balance the chemical equation below using the smallest possible whole number stoichiometric coefficients. c(s) + h2(g) --> c2h6(g)?

How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?

How can carbon move from "land" to bodies of water? describe the way human impact has lead to increased levels of co2 in the atmosphere.

What are some natural measures of time