Calculate the energy in the form of heat (in kJ) required to convert 225 grams of liquid water at 21.0C to steam at 115C (Heat of fusion=333 J/g heat of vaporization=2256 J/g: specific heat capacities liquid = 4.184 J/gC steam = 1.92 J/g. K

The missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols

Aroom with dimensions 7.00m×8.00m×2.50m is to be filled with pure oxygen at 22.0∘c and 1.00 atm. the molar mass of oxygen is 32.0 g/mol. how many moles noxygen of oxygen are required to fill the room? what is the mass moxygen of this oxygen?

Phosphorous acid, h3po3(aq) , is a diprotic oxyacid that is an important compound in industry and agriculture. p k a1 p k a2 1.30 6.70 calculate the ph for each of the points in the titration of 50.0 ml of 1.5 m h3po3(aq) 1.5 m h 3 po 3 ( aq ) with 1.5 m koh(aq). 1.5 m koh ( aq ) .