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Why is The dehydration of cyclohexanol to cyclohexene a traditional experiment to illustrate the acid-catalyzed dehydration of an alcohol to an alkene ?
How many grams of KNO3 are needed to make 450 mL of a solution that is to contain 5.50 mg/mL of potassium ion? Calculate the molarity of the solution.
Consider that a benzene molecule could fit nicely within a two-dimensional square box with each side having length of 5 degree A. a. Calculate the four lowest energy levels for an electron confined
The gas phase irreversible first-order reaction A----> 3B , is carried out in PFR where the feed is equal molar in A and inerts. the conversion under these circumstances is 50%.
Find the mass of the substance and the volume of a gas in a reaction - determine the mass of solid ammonium nitrate that must be used to obtain 0.145 L of dinitrogen oxide gas at STP.
when 50 mL of water containing .5 mol HCL at 22.5 degrees C is mixed with 50.0 mL of water at 25 degrees C in a calorimiter, the temperature of the solution increases to 26 degrees C. How much heat was released by this reaction?
If the standard silver half-reaction potential is set to .80V, calculate the potential for the zinc half-reaction. Write the net ionic equation for the reaction that occurs in this voltaic cell.
What holds solids or liquids and carries out reactions? what is used to mix or combine two or more substances? what it used to support an iron ring or clamp?
If 145 mL of 1.10 M KCl are diluted to 515 mL, what is the molarity of the final solution?
The heat of formation of Al2O3(s) is -1669 kJ/mol. Calculate the heat evolved when .267 g of Al burns in oxygen.
A 150 -g sample of water is cooled from 30 degrees C to 15 degrees C, thereby losing approximately 9420 J of heat. What is the change in E in J.
Calculate the percent yield for the reaction. A scientist performs this reaction in the lab by starting with 30.02 g of Mg and 0.992 moles of Cl2 gas
A Cu/Cu2+ concentration cell has a voltage of 0.24 V at 25M . The concentration of Cu^2+ in one of the half-cells is 1.5×10-3 . What is the concentration of Cu2+ in the other half-cell?
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