Chemistry, 14.01.2020 05:31 taniyawalker123
Which is the most important characteristic in determining an elements chemical properties
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Which of these will change if the air in aclosed bottle is heated? abcdthe mass of the airthe composition of the airthe air pressure in the bottlethe number of air molecules in the bottle
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Stage in which a star’s outer layers have started to cool and grow outward?
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Chemistry, 22.06.2019 14:30
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?
Answers: 1
Which is the most important characteristic in determining an elements chemical properties...
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