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Imagine that it is a very hot summer day outside. To help quench your thirst while out, you make yourself a big batch of ice tea. When you add a large quantity of sugar to tea to sweeten it, you notice where the sugar lands on ice cubes, and the ice melts. You also determine that the temperature of the tea drops after adding the sugar.
Explain in detail why the sugar would cause the ice cubes to melt while it causes the temperature to drop.
Is this related to freezing point depression? please explain.
Malonic acid titrated with NaOH.,what indicator could be used to find the endpoint,If there is more than once choice, which is best
The charges of the ions in an ionic compound affect the strength of the electrostatic attraction holding that compound together. Based on ion charges, rank these ionic compounds by their expected melting points.
Determine the precipitate that forms if silver nitrate aqueous solutions and KCl react to produce products in a double-replacement reaction.
What mass of oxygen gas is required in order to release 6670 kJ of heat to the surroundings by the following reaction
0.101 M HNO2 solution contains 0.0067 M H+ ions at 25 oC. What is the percent ionization of this acid under these conditions
The average bond enthalpy for a double bond is 614 and that of a single bond is 348 . Estimate the energy needed to break only the bond of the double bond of 2-butene. Express your answer numerically in joules per molecule.
The two ions are mixed in a solution and you need to pick a chemical to add that would allow you to selectively remove one of them. Briefly describe the process you would use to separate the two ions.
500.0 g of ammonia react with 51.0 moles of sulfuric acid to produce ammonium sulfate. how many moles of excess
A mixture initially contains A,B, and C in the following concentrations: A= 0.650 M, B= 0.800M , and C= 0.550M . The following reaction occurs and equilibrium is established
A 40-year-old manager, at a prominent legal firm in L.A., experiences abdominal pain post lunch. He goes to the restroom a couple of times, but continues to experience pain and cramps. He eventually decides to get himself examined.
A sample of a dish from an archaeological dig gave 18 500 disintegrations per gram of carbon per day. A 1.00-g sample of carbon from a modern source gave 22 080 disintegrations per day.
In an equilibrium mixture the partial pressures of SO 2 and O 2 are 0.125atm and 0.460atm , respectively. What is the equilibrium partial pressure of SO 3 in the mixture?
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