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If A solution containing 27.55 mg of an unknown protein per 25.0 mL of solution was found to have an osmotic pressure of 3.22 torr at 25.0oC. Explain what the molar mass of the protein
Compute the equilibrium partial pressures of Carbon dioxide and CO gases. If equilibrium constant Kp for this reaction =1.52,
Use the Nutritional information on the food bag to calculate the calories per gram? How does this information compare to your information? How do you explain the discrepancy? How could you do the experiment differently to get a more accurate value..
Write the expression for the equilibrium constant, Kc, for the following chemical reaction.
Determine the standard reaction enthalpy for the partial combustion of methane to carbon monoxide.
The conductance of an aqueous solution of trans-[Co(en)2Cl2]Cl changes on standing overnight. Would you expect it to incease or decrease. Why
A 2.50 g sample of a bronze gong was cut out and dissolved in suklfuric acid. The copper sulfate produced was mixed with KI to form CuI and the triiodide ion, I3-. The I3- ion was then titrated with thiosulfate, S2O3 2-.
if your lab partner added slightly too much water in step 5 of preparing the penny solution but then removed the
if the initial pressure of nh3gnbspis 7.845 atmcalculate the of nh3gnbspleft over after the reaction reaches
The solubility of caffeine in water is 2.2mg/mL at 25 degrees celsius and 670 mg/mL at 100 degrees celsius. How many mL of boiling water would it take to dissolve 23g of caffeine
A 1.90 mole quantity of NOCl was initially in a 1.50 L reaction chamber at 400°C. After equilibrium was established, it was found that 36.0 percent of the NOCl had dissociated.
Excessive quantities of wash water are added to the CaC2O4. H2O precipitate. Will the mass of the CaC2O4. H2O be reported too high, too low, or remain unaffected? Explain
A container of Methane gas initialy at 70.0 atm holds a volume of 350 litres at a temp. of 30.0C. What is mass of methane in grams
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