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Chemistry, 09.12.2020 01:00, luusperezzz
How many grams are there in 0.270 mol of lead (II) nitrate?
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Chemistry, 22.06.2019 08:30, jalst6084
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 β 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 β 4 sentences to explain your answer. 9. if 5.40 kcal of heat is added to 1.00 kg of water at 100β°c, how much steam at 100β°c is produced? show all calculations leading to an answer. 10. the freezing of water at 0β°c can be represented as follows: h2o (l) β h2o(s) the density of liquid water is 1.00 g/cm3. the density of ice is 0.92 g/cm3. in 3 β 4 sentences explain why applying pressure causes ice to melt.
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Chemistry, 22.06.2019 10:00, halohero7
3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?
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Chemistry, 22.06.2019 14:00, asanchez4292
What type of matter is made of only one kind of atom
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