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A solution contains a mixture of sugars .59 mole fructose .50 mole glucose, .50 mole maltose, .50 mole sucrose dissolved in 1.00 kg of water. What are the freezing point and boiling points of the solution?
Problem- Melting point of pure solvent W is 63 C. When 0.500 grams of benzoinc acid is added to 8.200 grams of solvent W the new freezing point is 58.5 C. Find the molal freezing point depression constant for solvent W
Explain why is it more difficult to identify all of the components of a mixture than to identify the cation and anion in a simple salt
how many milliliters of .100 M NaOH are required to neutralize 50.00 mL of .215 moles of H2SO4
Calculate the volume of H2 (in mL) required to hydrogenate 27.2 g of trans-carveol at STP.
A chlorine atom can occupy one of the nine possible sites. When a bromine is added to the system it can occupy one of hte eight sites not already occupied by the chlorine so there are 9 x 8 or 72 possible microstates. What is the change in entropy..
A chemical reaction has been the subject of intense study, and a rate law, rate = k[A][B]2, was developed which summarised the mechanistic findings. Which one of the following changes to the system will not cause an increase in the rate constant u..
Explain how many grams of dry NH4Cl require to be added to 2.10L of a 0.700M solution of ammonia NH3, to make a buffer solution that has a pH of 8.95? Kb for ammonia is 1.8×105
Below are five statements about the temperature dependence of a reaction rate constant K. Which one statement holds true for most chemical reactions
suppose that there is something in your sample that is absorbing at the same wavelength as the material you are looking
A sample of nitrous oxide gas, N2O in a nonrigid container at a temperature of 33C occupies a certain volume at a certain pressure. What will be its temperature in degree Celsuis in each of the following situations
Write the net ionic equation for the reaction that occurs when an aqueous solution of hydrochloric acid reacts with an aqueous solution of ammonia. please find delta H also. Or at least give me the state at which each element is in.
0.038 moles of O2 are collected after the reaction of 78.2 mL of 4.6 M solution of H2O2. The density of the solution is 1.4 g/mL. What is the percent yield
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