a compound of carbon and hydrogen contains 92.3% c and has a molar mass of 78.1 g/mol. what is its molecular formula?

A24-n net force acts on a 8-kg rock.what is the acceleration of the rock?

"what factors influence the absorption of sunlight at earth's surface? "

The smokey mountains have over 2,100 miles of rushing mountain streams and rivers that flow through the park. in each mile lives a diverse community of native fish, amphibians, insects, and larvae, some of which are found only in the southern appalachians. park managers and scientific researchers test many factors such as fish populations, the watersheds and water tests to determine a) too many lizards are present b) the water quality of the stream c) rainwater is running into local streams d) if visitors to the park are overstaying their welcome