Determine the mass of sodium sulphide formed the volume of hydrogen sulphide at s. t.p when 1.5 g of sodium hydroxide reacts with hydrogen sulphide​

For the following dehydrohalogenation (e2) reaction, draw the zaitsev product(s) resulting from elimination involving c3–c4 (i.e., the carbon atoms depicted with stereobonds). show the product stereochemistry clearly. if there is more than one organic product, both products may be drawn in the same box. ignore elimination involving c3 or c4 and any carbon atom other than c4 or c3.

Can someone me with 1 to 4 plz. fast

Which of the following molecules is polar? c3h7oh c2h5cooh