What is the amount of heat required to completely metl a 200-grams sample of h2o(s)

Select all of the methods through which a drug can enter your body. injection swallowing inhalation absorption

Achemical reaction is done in the setup shown, resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?

What element has similar physical and chemical properties as boron.