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Chemistry, 22.06.2019 04:00
Asample of aluminum foil contains 8.60 Ć 1023 atoms. what is the mass of the foil?
Answers: 1
Chemistry, 22.06.2019 08:30
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 ā 4 sentences in your explanation. 8. when a 2.5 mol of sugar (c12h22o11) are added to a certain amount of water the boiling point is raised by 1 celsius degree. if 2.5 mol of aluminum nitrate is added to the same amount of water, by how much will the boiling point be changed? show all calculations leading to your answer or use 3 ā 4 sentences to explain your answer. 9. if 5.40 kcal of heat is added to 1.00 kg of water at 100ā°c, how much steam at 100ā°c is produced? show all calculations leading to an answer. 10. the freezing of water at 0ā°c can be represented as follows: h2o (l) ā h2o(s) the density of liquid water is 1.00 g/cm3. the density of ice is 0.92 g/cm3. in 3 ā 4 sentences explain why applying pressure causes ice to melt.
Answers: 1
Chemistry, 23.06.2019 09:30
How many significant figures are in the following numbers ? a. 0.0002030 b. 2.000 c. 2.008900 d. 145.00
Answers: 2
What is the purpose of mixing salt with the ice in a homemade ice cream maker?...
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