The density of air at ordinary atmospheric pressure and 25°c is 1.19 g/l. what is the mass, in kilograms, of the air in a room that measures 12.5ft x 15.5ft x 8.0ft?

Match the acid base pairs by arranging the acid name with the conjugate base formula. hydrogen carbonate hydrogen phosphate carbonic acid read water sulfuric acid phosphoric acid a. co32- b. hso4- c. hco3- d. po43- e. h2po4- f. oh-

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17

)in the deacon process for the manufacture of chlorine, hcl and o2 react to form cl2 and h2o. sufficient air (21 mole% o2, 79% n2) is fed to provide 35% excess oxygen, and the fractional conversion of hcl is 85%. calculate the mole fractions of the product stream components.