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The tap water found in many areas of the U.S and other parts of the world leave white deposites when it evaporates. Is this tap water a mixture or a compound? explain.
Analysis of a metal chloride XCl3 shows that it contains 64.3% Cl by mass. Calculate the molar mass of X
To keep ionic strength constant and maintain a more consistent matrix in a solution where ions could be influencing each other, another component is often added to the solution
This chamber is equipped with enough solid KOH to absorb any CO2 and H2O produced by the mouse. The gas volume in this chamber is measured to be exactly 2.20 L, at the temperature is held constant at 297 K. After two hours the pressure inside the ..
In a hydrogen atom, from what energy level must an electron fall to the n = 3 level to give a line at 1.28 micrometers in the infrared region? a. 7 b. 5 c. 6 d. 4 e
You are required to prepare a review-type essay on Electrochemistry. Insert your completed review essay into a soft-bound cover with a clear plastic front.
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?
What is the IUPAC name of the most minor product formed when 3-methyl-2-hexanol undergoes elimination with sulfuric acid
Consider the titration of 100ml of .100M H2NNH2 (Kb=3.0*10^-6) by .200 M HNO3. Calculate the pH of the resulting solution after the following volumes of HNO3 have been added
1 if 50 kj of heat are given off by a chemical reaction in aqueous solution and all the heat is absorbed by the
Calculate the volume of dry CO2 produced at body temperature (37 degrees Celcius) and 0.970 atm when 24.5g of glucose is consumed in this reaction.
A voltic cell with an aqueous electrolyte is based on the reaction between Cd2+ (qu) and Mg(s), producing Cd (s) and Mg2+. Write a balanced cell reaction.
Carbon tetrachloride, CCl4, has a vapor pressure of 213 torr at 313K and 836 torr at 353K. What is the normal boiling point of CCl4
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