Chemistry, 22.09.2021 08:00 kadariusmerchan
How many molecules of ethanol (C2H5OH) (the alcohol inalcoholic beverages) are present in 145 mL of ethanol? Thedensity of ethanol is 0.789 g>cm3 .
Answers: 2
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If you want to create an electrical current, which situation would produce a solution capable of this
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Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?
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Compare and contrast physical changes with chemical changes.
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Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules
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How many molecules of ethanol (C2H5OH) (the alcohol inalcoholic beverages) are present in 145 mL of...
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