Chemistry, 09.12.2021 07:00 joshvslogic341
A cylinder with a moveable piston contains 2.0 grams of helium, He at room temperature more helium was added to the cylinder and the volume was adjusted so that gas pressure remained the same. How many grams of helium were added to the cylinder if the volume was changed from 2.00L to 3.50L?
Answers: 2
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If a straight-chain hydrocarbon is a gas at room temperature, how many carbon atoms will it have? a. 6 carbon atoms b. 12 carbon atoms c. 24 carbon atoms d. 3 carbon atoms
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If you need to add 27.50ml of a solution, which piece of glassware would you use to deliver this volume and explain how you would determine if the 27.50 ml was measured?
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Johnny's bakery has 30,900 grams of sugar. a recipe calls for 32 pounds of sugar to be used. how much sugar will be left over? (1 lb=453.59 g).
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Water is called the universal solvent because more substances dissolve in water than in any other chemical. this has to do with the polarity of each water molecule. the hydrogen side of each water (h2o) molecule carries a slight positive electric charge, while the oxygen side carries a slight negative electric charge.
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A cylinder with a moveable piston contains 2.0 grams of helium, He at room temperature more helium w...
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