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Provide a structure for the following compound: molecular mass 101; IR: 3397, 3200, 1655, 1622 cm-1; 13C NMR: ? 27.5, ? 38.0 (weak)
What is the M concentration in octanol? (b) pH= 8.00 what is the M concentration in water? what is the M concentration in octanol?
What unusual aspect of water is responsible for it unique characteristics as both a liquid and as a solid? Give examples of how this property of water would affect food systems during processing.
what is the difference between using blue dye and red dye when determining the rate law for the oxidation by sodium hypochlorite?
A sample of water is collected over water at a total pressure of 616.8 mmHg at 300 C. The vapor pressure of water at 300 C is 31.8 mmHg.
Determine the freezing point of a solution which contains 0.31 mol of sucrose in 175 g of water. Kf = 1.86°C/m
If a 180 mg piece of gold (density =19.32 g/cm^3 ) is hammered into a sheet measuring 2.3 x 1.0 ft , what is the average thickness of the sheet in meters?
A 100g sample of water at 27oC is poured into a 76.2g sample of water at 89oC. What will be the final temperature.
A sample of white gold is 18.0 grams gold, 3.0 grams silver, 2.0 grams cobalt, and 1.0 gram platinum by mass. What is the percent of platinum in the sample
Determine the stiochiometric coefficients for the reaction, (3CaO Al2O3 3SiO2) + a(CaO Al2O3 SiO2)= b(CaO Al2O3 2SiO2) + c(2CaO Al2O3 SiO2)
when 3.02g NH4Cl solid was dissolved in 20.05 ml water the temperature of the water dropped from 19.8 degrees celcius to 9.1 degrees celcius
A sample of oxygen that occupies 1.00x10^6mL at 575 mmHg is subjected to a pressure of 1.25 atm. What will the final volume of the sample be if the temperature is held constant?
A 2.5 L helium balloon is filled at a florist's shop. If the temperature inside the shop is 68°F, what volume will the helium occupy after being left in an automobile at 5°F in the parking lot for the day
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