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An ingot of aluminum metal with a mass of 87.50 g is to be hammered into a thin sheet to be used as aluminum foil. If the thickness of the aluminum foil is uniformly 13 um, what area of aluminum foil (in cm^2) can be made? The density of aluminum metal is 2.969 g/cm^3.
If the melting point of the compound is unknown the melting point measurement could take an exceedingly long time if the rate of heating of 2C/min is followed over the entire range from room temperature to the melting.
ampere current have to be applied to plate out 8.00 grams of copper metal from te aqueous copper(II) sulfate solution?
According to the following reaction, what volume of 0.244 M KCl solution is required to react exactly with 50.0mL of 0.210 M Pb(NO3)2 solution?
Sorbic acid, CH2CHCHCHCH2CO2H (pKa= 4.77), is widely used in the food industry as a preservative. For example, its potassium salt (potassium sorbate) is added to cheese to inhibit the formation of mold. What is the pH of the 0.37 M potassium sorba..
An unknown amount of Lithium hydroxide is dissolved in 50.0 mL of water. If it take 14.7 mL of a 0.150 M solution of oxalic acid (H2C2O4) to neutralize the lithium hydroxide solution, what is the mass of lithium hydroxide (in grams) that was disso..
If 25.00 mL of 0.20 M HCl is titrated with 0.20 M NaOH, what is the pH of the solution after the addition of 20.00 mL of NaOH?
if a sample of gas has fixed volume, and under a standard atmosphere of pressure, if its temperature is raised from 20 degrees celsius to 40 degrees celsius
Write the step-wise acid-base reaction of the amino acid proline starting from its fully deprotonated form. Write the correct equilibrium constant expression for each reaction and indicate its numerical value
Derive an expression for (δU/δV)T for a gas that obeys the van der Waals equation of state.
bone was dissolved in hcl giving 53.0 ml of solution that contains calcium chloride potassium oxalate was added to
Water flowing through pipes of carbon steel must be kept at PH 5 or greater than limit corrosion if an 8.0 *10^3 Ib/hr water stream contains 10 ppm sulfuric acid and 0.015% acetic acid, how many pounds per hour of sodium acetate trihydrate
Which of the following proceeds with syn addition a. Hydroboration of an alkene b. hydrobromination of an alkene c. radical bromination of an alkane d. contra-Markovnikof hydrobromination of an alkene with dialkyl peroxide initiation e. epoxidatio..
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