Chemistry, 04.09.2020 21:01 lillianfrederi
11) A balloon weighing 144.85 g is filled with carbon dioxide and reweighed. The weight of the balloon plus gas is 153.77 g. The volume of the full balloon is 4.55 L. Calculate the density of carbon dioxide?
Answers: 1
Chemistry, 23.06.2019 06:50
What is the volume of 3.2 moles of chlorine gas (cl2) at 295 k and 1.1 atm?
Answers: 1
Chemistry, 23.06.2019 10:00
An uncovered pot of water lies out in the sun. which statements correctly describe what happens at the surface of the liquid water? 1. the vapor pressure remains constant regardless of the water temperature. 2. the vapor pressure is produced by water molecules that have evaporated. 3. the vapor pressure increases as the sun heats the water in the pot. 4. evaporation stops once the vapor pressure reaches a certain point. 5. evaporation and condensation both occur on the liquid’s surface.
Answers: 3
Chemistry, 23.06.2019 14:20
Neutral atoms of argon, atomic number 18, have the same number of electrons as each of the following items except: cl- s -2 k+ ca +2 ne
Answers: 2
11) A balloon weighing 144.85 g is filled with carbon dioxide and reweighed. The weight of the ballo...
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