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For any chemical reaction at equilibrium, increasing the amount of any ingredient will drive the reaction in the other direction. Glucose, for example, can exist in two isomeric forms, alpha and beta, which are spontaneously interchangeable. When dissolved in water, these forms come into balance, such that 1/3 of the glucose is alpha and 2/3 is beta. Thus: alpha glucose <---> beta glucose. 1. If you start by dissolving alpha glucose in water to a concentration of 1M: a. What will the concentration of alpha glucose be after equilibrium is attained? b. What will the concentration of beta glucose be? c. What would have happened if you began with 1M of beta glucose?
Calculate the heat required to convert 25.0 g of C2Cl3F3 from a liquid at 5.00 degress celsius to a gas at 82.00 degrees celsius.
At what concentration does hydrocyanic acid (ka= 4.9 x 10^-10) exhibit 0.05 percent ionization? Assume the temperature to be 25*C
What is the total mass of water raised 68.7 m during this 206.0 minute period? (in kg) How long can the turbines produce 335.0 MW of power from the release of the mass of stored water calculated above? Assume the water sustains a friction loss of ..
If the methane contained in 2.00 L of a saturated solution at 25 degrees C was extracted and placed under STP conditions, what volume would it occupy.
How many moles of HCl need to be added to 150 mL of 0.50 M NaZ to have a solution with a pH of 6.50? (Ka of HZ is 2.3e-5). Assume negligible volume of the HCl.
Write the reactions for the preparation of the diaonuim salt for the coupling of the salt with the sodium salt of 2-napthol. 2. Write the reaction of the sodium salt of para red when treated with 1 M H2SO4. Why does a precipitate form?
Determine how many moles each of Na+ and Cl- are in 0.700 L of the saline solution (A physiological saline solution contains 167 mEq/L each of Na+ and Cl-.)?
draw the lewis dot structures for the following molecules:
you have a buffer system made up of equimolar amount of carbonic acid,H2CO3, and sodium bicarbonate,NaHCO3. Write equations to show how this buffer behaves when (a) HCL is added and (b) NaOH is added.
In which compound does sulfur have the highest oxidation number a)Na2S2O3 b)NaHS c)H2S d)KHSO3 e) CuSO4
The molar heat of combustion of methanol (molar mass = 32.0g/mol) is -757kJ/mol. If 2.00 g of methanol is placed in a bomb calorimeter with a heat capacity of 6.50 kJ/degree C what is the temperature rise when the sample is combusted?
Calculate the number of liters occupied at STP: a. 1.7 mol H2(g); b. 1.8 x 10-2 mol N2(g); c. 2.5 x 10(2) mol O2(g)
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