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the Pyranose form of Fructose is much sweeter than the Furanose form, Sweetness in honey decreases as temperature rises, (pyranose decreases and Furanose increases) what chemical processes underlie this phenomenon? (why is there more Furanose at the higher temperature?)
Will the temperature of the water be greater than or less than 20 C when thermal equilibrium is reached? Calculate the final temperature
Calculate the total volume of gas (at 133 degrees C and 758 mmHg) produced by the complete decomposition of 1.56 kg of ammonium nitrate.
Consider the steel tank whose volume is 42.0 L and which contains oxygen gas at a pressure of 18,000 kPa at 23° C. What mass of oxygen does the tank contain?
3NaHCO3(aq) + H3C6H5O7(aq) → 3CO2(g) + 3H2O(l) + Na3C6H5O7(aq) How many moles of Na3C6H5O7 can be produced if one tablet containing 0.0119 mol of NaHCO3 is dissolved?
What is the melting point of mixture of 2.00 lb of NaCl and 12.00 lbs of ice if exactly half of the ice melts? Assume that all the NaCl dissolves in the melted ice and that the van' Hoff factor for the resulting solution is 1.44.
Calculate the pH of the solution that results upon mixing 20.0 mL of a 0.200 M HCl with 25 mL of.
What is the molecular weight and structure? Also what does this compounds infrared spectrum and NMR spectrum show?
Assume that a particular reaction evolves 250 kj of heat and that 34 kj of PV work is gained by the system. What is the enthalpy?
A hypothetical element Z has two stable isotopes: Z-46 = 46.046 u 64.08% Z-51 = 50.826 u 35.92% What is the average atom weight of the element?
The molecular geometry of the ammonium ion, NH4+, is most similar to the molecular geometry of
Under what conditions of pressure and temperature do real gases most closely approximate ideal-gas behavior?
A student determined the freezing point of pure t-butyl alcohol following the procedure given in this experiment . Because of an experimental error, the freezing point temperature that she obtained was higher than the correct value
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