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The instruction booklet for your pressure cooker indicates that its highest setting is 13.4 . You know that standard atmospheric pressure is 14.7 , so the booklet must mean 13.4 above atmospheric pressure. At what temperature in degrees Celsius will your food cook in this pressure cooker set on "high"?
What is the pH of a solution of 0.20M RbCHO2? Must use an ICE table (Initial Concentration, Change in Concentration, Equilibrium Concentration) and the quadratic formula unless the "x is small" approximation can be used.
the gas sample weighs 2.62grams then computes the molecular weight and determines the identity of the gas.
if you prepare a 1.00 m solution of nh4clo4 beginning with water at 26.0c what is the final temperature of the solution
A Solution is prepared by dissolving 27g urea in 150g water. Calculate the boiling point of the solution. Urea is a nonelectrolyte
What is the PH of the buffer that results when 12.0 g of NaH2PO4 and 8.00 g of Na2HPO4 are diluted with water to a volume of .50 L? (Ka of H2PO4=6.2*10^-8, the molar masses are 120.0 g/mol and 142. mol respectively.
The enthalpy change at 25C and 1 atm for the complete burning of 1 mol of acetone in oxygen to give CO2(g) and H2O(l) is -1791kJ. Calculate the standard enthalpy of formation of acetone.
at 340 k kp 69 for the reaction h2g i2g -gt 2hig. 50.0 g of hi is injected into an evacuated 5.00-l rigid cylinder at
A generic salt, AB3, has a molar mass of 183 g/mol and a solubility of 6.60 g/L at 25 °C. What is the Ksp of this salt at 25 °C
If 28mL of 7.0M Sulphuric acid(H2SO4) was spilled, then determine what is the minimum mass of NaHCO3 (Sodium bicarbonate or sodium hydrogen carbonate)
The log P value for nicotine is 1.09. If 20 mL of 0.10 g/mL nicotine solution in water is extracted with 20 mL of octanol, how much nicotine is removed from the water layer into the octanol layer?
Calculate the atomic mass of zinc from the relative peak intensities in the following spectrum. peak intensity for zinc 64 = 100 peak intensity for zinc 66 = 57.4 peak intensity for zinc 68 = 38.6
a 1.0cm3 sample of lead and a 1.0cm3 of glass. I drop each in a separate beaker of water. How do the volumes of water that are displaced by the samples compare?
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