Balance the equation c2h2(g)+o2(g)-->co2(g)+h2o(g)+he at

The density of an unknown gas at 98°c and 740 mmhg is 2.50 g/l. what is the molar mass of the gas with work showed?

Here’s one way to follow the scientific method. place the missing steps in the correct position in the process

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh