Calculate the average obtained from the following weighings of the same object. Do not forget to include formulas, units, and the right number of significant figures: 10.4375g , 10.4381g, 10.4373g, 10.4376g

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

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?