About how many years had passed between Wegener's death and the time his theory was proven correct?

What is the chemical formula for dihydrogen monoxide

How many moles of co2 are produced during the complete combustion of 3.6 moles of c2h6

In an exothermic reaction at equilibrium, what is the effect of lowering the temperature? a. the reaction makes more products. b. the reaction makes more reactants. c. the reaction is unchanged.