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Commercial hydrogen peroxide contains small amounts of organic compounds which are added to stabilize the hydrogen peroxide. If these compounds react with permanganate, how will this affect your results?
If you drop 25.0 g of warm iron nails (initial temp = 65.4C) into a beaker that contains 100.0 g water at 20.0 C what will the temperature be when the nails and water reached the same temperature
A solution of H2SO4 and KI is then added to conver the MnO2 to MN^2+, and the iodide is converted to I2. The I2 is then titrated with standardized Na2S2O3. Calculate the amount of O2 in 25.0mL of water if the titration requires 2.45ml of 0.0112 M N..
Explain the large disparity in the numerical results pf Part (a). Discuss the advantages and disadvantages of the three energy sources.
The solubility of CO2 gas in water is 0.15g/100mL at a CO2 pressure of 760mmHg. What is the solubility of CO2 in a soft drink (which is mainly water) that was bottled under a CO2 pressure of 4.5atm
determine angle a to the nearest tenth of a degree when sin a
Draw the structure of the major product(s) formed when 1-hexyne is subjected to ozonolysis, followed by hydrolysis.
The odor of spoiled butter is due in part to butanoic acid, which results from the chemical breakdown of butter fat. A 0.100 M solution of butanoic acid is 1.23% ionized. Calculate the value of Ka for butanoic acid.
Germanium forms a substitutional solid solution with silicon. Compute the weight percent of germanium that must be added to silicon to yield an alloy that contains 4.43 × 1021 Ge atoms per cubic centimeter
ammonia can be decomposed to give 3 parts by mass of hydrogen and 14 parts by mass of nitrogen. what mass of nitrogen
What is the energy diagram for cyclohexanol to cyclohexane complete with starting alcohol, carbocation, and oxonium ion
the equation a abc becomes nonlinear at high concentrations of the absorbing substance. suppose you prepare a solution
What makes a red solution, like cherry Kool-Aid appear red to your eye? What colors of light are absorbed and what colors are transmitted?
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