Which of the following is not the same as 2.97 milligrams a)0.297 kg b)0.00297 g or d)0.297cg

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

What metric units would you use to measure the thickness of a key

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?