Put some crushed ice in the 400 mL beaker. Allow some of the ice to melt then take the temperature. Record this as temperature of the ice. Temperature reading is 0.00°C Prepare accurately 20 % urea solution (2 grams urea in 8 grams distilled water). Place this solution in a hard glass test tube then place it in the beaker with crushed ice. Get the temperature of the urea solution at interval of 30 seconds. The temperature will go down until
Put some crushed ice in the 400 mL beaker. Allow some of the ice to melt then take the temperature. Record this as temperature of the ice. Temperature reading is 0.00°C Prepare accurately 20 % urea solution (2 grams urea in 8 grams distilled water). Place this solution in a hard glass test tube then place it in the beaker with crushed ice. Get the temperature of the urea solution at interval of 30 seconds. The temperature will go down until
Chapter11: Properties Of Solutions
Section: Chapter Questions
Problem 109AE: Patients undergoing an upper gastrointestinal tract laboratory test are typically given an X-ray...
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Put some crushed ice in the 400 mL beaker. Allow some of the ice to melt
then take the temperature. Record this as temperature of the ice. Temperature
reading is 0.00°C
Prepare accurately 20 % urea solution (2 grams urea in 8 grams distilled
water). Place this solution in a hard glass test tube then place it in the beaker with
crushed ice. Get the temperature of the urea solution at interval of 30 seconds. The
temperature will go down until the freezing point is reached. Continue getting the
temperature until 3 consecutive readings are identical. Record this as the freezing
point of the solution. Temperature reading is -8.00°C.
Make a general statement on the effect of solids upon the freezing point of liquid in
which they are dissolved.
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