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A certain reaction has an activation energy of 46.80 kJ/mol. At what Kelvin temperature will the reaction proceed 3.50 times faster than it did at 341 K
Based on the reaction of halide ions NaI,NaBr,NaCl with KMnO4 rank the three halide ions in order of decreasing reducing agent strength. Use to indicate greater strength and = to mean equall strength.
At this temperature, the vapour pressure of H2O is 31.82 torr. What volume increase is necessary for all of the water to evaporate?
If the concentration of Mg2+ ion in seawater is 1350 mg/L, what OH- concentration is required to precipitate Mg(OH)2
What volume of Cl2 gas, measured at 682 torr and 40 degrees celcius, is required to form 26 g of NaCl ?
a. added half the amount of benzaldehyde? b. forgot to add benzaldehyde? c. forgot to add acetone, but added a high (50%) concentration of sodium hydroxide? d. washed the product with large amounts of hot ethanol?
sulfuric acid (H2SO4) by mass has a density of 1.221 g/mL. Determine the molarity of the solution.
Sodium saccharin, is a nucleophile, but DMF is not. Explain why
Determine the concentration of H+ ions in a solution of HCl that was prepared b diluting 50.0 mL of concentrated (11.6 M) Hydrochloric acid to a final volume of 500mL?
Predict whether a precipitation reaction will occur when aqueous solutions of ammonium sulfate and calcium acetate are mixed. Write the net ionic equation.
A compound is found to have a molar mass of 598 g/mol. If 35.8 mg of the compound is dissolved in enough water to make 175 mL of solution at 25°C, what is the osmotic pressure of the resulting solution?
On the basis of your data what conclusion may be made regarding the separating ablility of simple and fractional distillation? comment on how well your results compare with what might be expected using your actual data below
You will then make a Kool-Aid solution by dissolving the powder in an entire packet of lemon-lime Kool-Aid in 250.00 mL solution. You find the powder in a packet of lemon-lime Kool-Aid has a mass of 3.629 g.
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