If this carbon is fossilized and turns into oll, natural gas, or coal, the stored carbon can be burned and will give off energy as heat. This heat can be used to: power factories

propel tractors

create electricity

run machines

power industries

keep a home warm

The rate constant for the reaction below is 6.2 x 10−5 mol l−1 s −1. if the initial concentration of a is 0.0500 m, what is its concentration after 115 s?

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

Asolution of naoh has a concentration of 25.00% by mass. what mass of naoh is present in 0.250 g of this solution? use the periodic table in the toolbar if needed. 0.0625 g what mass of naoh must be added to the solution to increase the concentration to 30.00% by mass? g