Chemistry, 03.08.2019 06:30 haleyzoey7
Asolution is made by dissolving 21.5 grams of glucose (c6h12o6) in 255 grams of water. what is the freezing point depression of the solvent if the freezing point constant -1.86 c/m ?
Answers: 1
Chemistry, 22.06.2019 08:00
Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.
Answers: 2
Chemistry, 22.06.2019 13:00
6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.
Answers: 1
Chemistry, 23.06.2019 00:30
Which of the following best describes technology a. something created for only scientists to use b.the method of thinking that scientists use. c.the application of engineering to create useful products. c. a scientific idea
Answers: 1
Asolution is made by dissolving 21.5 grams of glucose (c6h12o6) in 255 grams of water. what is the f...
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