Answer & Explanation:They are short answer please do not copy from the internet Thank youQuestion. 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.Que
stion.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 answerQuestion.7.The freezing of water at 0?C 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 meltQuestion.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 questionQuestion.9. A student collected the following data for a fixed volume of gas: Temperature (?C) Pressure (mm of Hg) 10 726 20 750 40 800 70 880 100 960 150 ??? Fill in the missing data point.Show all calculations leading to an answer.