Complete combustion of 4.10 g of a hydrocarbon produced 12.6 g of co2 and 6.00 g of h2o. what is the empirical formula for the hydrocarbon? insert subscripts as necessary.

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

What does the cell nucleus do or, how does it function?

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system