1) on combustion, 1 mole of an alkane gives 2 moles of carbon dioxide and 3 moles of water. suggest the molecular formula of this alkane
2)the hydrocarbon, dedocane, is used to make detergents. it is alkane and has the molecular formula cxh26. what is the value of x?

Equal numbers of moles of he(g), ar(g), and ne(g) are placed in a glass vessel at room temperature. if the vessel has a pinhole-sized leak, which of the following will be true regarding the relative values of the partial pressures of the gases remaining in the vessel after some of the gas mixture has effused?