Given the reaction 2c2h6 7o2 4co2 6h2o at stp what is the total volume of co2 formed when 6.0 liters of c2h6 are completely oxidized

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?