The boiling point elevation chemistry homework help

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They are short answer please do not copy from the internet Thank you

Question. 1 .You are given a clear solution of KNO3.Using 3 – 4 sentences (in your own words) explain how you would determine if the solution is unsaturated, saturated or supersaturated.

Question.2.Explain in 3 – 4 sentences (in your own words) how perspiration helps keep you cool on a hot day.

Question.3.You have two sealed jars of water at the same temperature.In the first jar there is a large amount of water.In the second jar there is a small amount of water.Using 3 -4 sentences explain how the vapor pressure of water in the first jar compares with the vapor pressure of water in the second jar.

Question.4.Using 3 – 4 sentences explain (in your own words) why water expands when it freezes?

Question.5.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.

Question.6.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 – 4 sentences to explain your answer

Question.7.The freezing of water at 0⁰C can be represented as follows: H2O (l) ↔ H2O(s)The density of liquid water is 1.00 g/cm3.The density of ice is 0.92 g/cm3.In 3 – 4 sentences explain why applying pressure causes ice to melt

Question.8.Why must the number of electrons lost equal the number of electrons gained in every redox reaction?Use 3 – 4 sentences in your own words to address this question

Question.9. A student collected the following data for a fixed volume of gas:

Temperature (⁰C)

Pressure (mm of Hg)













Fill in the missing data point.Show all calculations leading to an answer.

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