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When synthesizing aspirin in the lab((Mixed 2g salicylic acid, 5mL acetic anhydride, 5 drops concentrated sulfuric acid, added distilled water after heating)). . . . . . . What is the theoretical yield of aspirin since salicylic acid is the limiting reagent?(please show calculation used) . . . . . . . What is the new type of compound formed in this?(i.e. an amide, ect?)
Write the element symbol and charge. How many unpaired electrons are there in the ground state of this ion
A mixture of ammonium chloride and sand is placed in an evaporating dish and massed at 56.246g. The mixture is heated, driving off the ammonium chloride and massed again
In Organic synthesis, we are often using drying agents such as sodium sulfate, magnesium sulfate, etc. to dry our solutions. Which of the following is true? (There are more than one correct answers)
can you find out the name of the hydrate and its chemical formula if 5.00 g of fecl3 . xh20 are heated 2 grams of water
Carbon-carbon single bonds in organic molecules have energies about 350 kj/mol. What is the corresponding wavelength.
If the specific heat of the salt is 0.663 J/C.g, what is the enthalpy of solution for salt MX if its molar mass is 68.0 g/mol?
Propane reacts with molecular fluorine to form fluoropropane in the presence of light energy. Using curvy arrows to show the movement of electrons, present a reasonable mechanism for this reaction. Label each step in the process.
when 50.0 gram of metal at 75.0 C is added to 100 grams of water at 15.0 C the temperature of the water rises to 18.3 C. Assume that no heat is lost to the surroundings. What is the specific heat of this metal
Standard Atmos. Pressure is 90.0 atm. What are the Partial Pressures of the Gases in mmHg?
The solubility product Ksp for silver iodide is 1.5X10%u221216 at 298K. calculate the osmotic pressure of a saturated aqueous solution of silver iodide at this temp. you may assume that the solution behaves ideally.
Which of the following species would you expect to be diamagnetic and which paramagnetic? (a) K+; (b) Cr3+; (c) Zn2+; (d) Cd; (e) Co3+; (f) Sn2+; (g) Br.
12.00mL of 0.125M of HCl is required to titrate 21.55mL of Mg(OH)2. Calculate the molarity of the unknown base.
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