Condensation point AND freezing point of oxygen in C and F?

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?

Consider the directing effects of the substituents on salicylamide and predict the possible structures of the iodination products. which do you think will be the major product?

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table