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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.
is independent of pressure. By doing so, obtain an expression for V as a function of T and ? at fixed P.
Propane reacts with excess oxygen to produce carbon dioxide gas and water. What volume of CO2,measured at 27.2 °C and 0.918 atm, is produced from the reaction of 10.1 g propane with excess oxygen.
Manganese forms the following oxide minerals: manganite (MnOOH), manganosite (MnO), pryolusite (MnO2), and hausmannite (Mn3O4).
a certain brand of antacid chewing gum was sent to the lab for testing and it was found to have 15 by mass of
Benzene has a boiling point of 80.1 degrees celcius and a molal boiling point elevation constant of 2.53 degrees celcius/m. Calculate the boiling point of a solution containing 15.0 g of the non-electrolyte C6H4Br2 in 125 ml of benzene (sp gravity..
Four aldehydes and four hydrazines were used to explore hydrazone antibacterial activity in a combinatorial technique. How many reactions and antibiotic screenings would have been required to carry out this analysis in a non-combinatorial fashion?
Calculated molarity of HClO: .50/.4541=.174 2) calculated molarity of NaClO: (5.86g/74.45 g/mol)/(.4541L=1.10) 3) Set up ICE chart and calculated H+(x). x=(3E-8)(1.10)/(.174) = 1.90E-7 4) took negative log of 1.90E-7 to get a pH of 6.72.
Assuming that the gas becomes saturated with benzene vapor and that the total gas volume and temperature remain constant, what is the vapor pressure of the benzene in torr
Write the balanced net ionic equation for the following dissolution reaction: Zn(OH)2 in aqueous NaOH
Please complete and balance the molecular equation and write a net ionic equation, make sure to include the physical states of the compounds, if there is not reaction write NR for the products.
500 ml solution of benzoic acid (ka=6.6e-5) has a ph of 2.88. What is the molarity of benzoic acid
given the balanced equation representing a reacction2c2h67o24co26h2odetermine the total number of moles of oxygen that
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