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The concentration of the saturated solution of glucose in water is 4.0 M under standard conditions. Find the standard free energy of dissolution of glucose, i.e. the standard free energy change for the process of transferring a mole of glucose from solid (s) to aqueous solution (aq) forms. glu cos e(s) ! glu cos e(aq)
The buret is misaligned with the drop counter so approximately 10 drops of NaOH are added to the HCl before they are counted
An airplane is pressurized to 650 mmHg, which is the atmospheric pressure at a ski resort at 13000 ft altitude: a) if air is 21% oxygen, what is the partial pressure of oxygen on the plan
An aqueous vinegar sample contains 5.4% acetic acid by mass and has a density of 1.006 g/mL. Calculate the amount of acetic acid in grams in 2.00 L of this vinegar. Report your answer using the correct number of signi?cant ?gures.
Aluminum reacts with excess hydrocholoric acid to form aqueous aluminum chloride and 28.7 mL of hydrogen gas over water at 27C and 751 mmHg. How many grams of aluminum reacted
Calculate the mass of hydrogen per oxide needed to obtain 0.460 L of oxygen gas at STP. 2H2O2(aq) → 2H2O(l) + O2(g).
Predict the delta H, delta S, delta V and delta G for dissolving 60. g benzene (C6H6) in 100. g of toluene (C7H8) at 298 K. State any assumptions made.
Describe how you would purify p-nitrobenzoic acid from a mixture of a 9.0 g of p-nitrobenzoic acid and 2.0 g of o-nitrobenzoic acid using recrystallization. Tell which solvents you would use and how the components would get separated.
A sample of nitrosyl bromide (NOBr) decomposes according to the equation 2NOBr(g)-->2NO9g) +Br2 An equilibrium mixture in a 5.00- vessel at 100 degrees celsius contains
Draw resonance structures for each of the following molecules or ions: a) HCO2^- (C is the central atom); b) N2O (N N O).
What mass of ethylene glycol, when mixed with 225 g H2O, will reduce the equilibrium vapor pressure of H2O from 1.00 atm to 0.800 atm at 100 °C?
calculate [H30] and [OH] in a 200 mL solution in which 0.500g of HCL is dissolved
Use this equation to calculate the wavelength of the photon emitted in units of nanometers for the following transitions.
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