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Problem- What is the corrected fluorescence if 0.100mL of standard quinine sulfate solution is added to 10.0mL of the unknown quinine solution and the measured fluorescence is 340.785?
Show all work, use additional paper if necessary
Consider the following isomerization reactions of some simple sugars and values for their standard Gibbs free energy ΔG °:
An electron traveling at 3.7 X 10^5 m/sec has an uncertainty in its velocity of 1.88 X 10^5 m/s. What is the uncertainty in its position?
Activating effects question: Using resonance contributors, explain why the nitrile group is a deactivator and a meta director in electrophilic aromatic substitution. A drawing would be helpful too.
How many moles of NaCl2 can be formed in the reaction of 5.00 molof Ni and 10.0 mol of HCl
Water molecules can undergo a self-ionization reaction to produce very small concentrations of hydronium and hydroxide ions
What is the magnitude of the partial positive and partial negative charges in the HBr molecule? (1D = 3.36 × 10-30 C m; 1e- = 1.6022 × 10-19 C; bond length HBr = 1.41 angstroms; Dipole Moment HBr = 0.82D)
Consider 0.10 M solutions of the following substances. Rank the solutions in order of increasing pH where 1 is the solution with the lowest pH and 7 is the solution with the highest pH.
A solution is prepared by dissolving 30.0 g of Na2SO4 in enough water to make 750.0 mL of solution. A 10.00 mL portion of this solution is then diluted to a final volume of 100.0 mL.
During a heart attack, blood flowing to the heart muscle is interrupted by blockage of a coronary artery. How would you expect the metabolism in the heart to change
The boiling point of ethanol is 78°C. How much heat is required to heat 100 grams of ethanol from 25°C to its boiling point and then to turn it into a vapor
Why is there a general increase in the first ionisation energies of the Period 3 elements Na to Ar. Can someone explain this to me.
Carbon monoxide and chlorine combine in an equilibrium reaction to produce the highly toxic product, phosgene (COCl2). CO(g) + Cl2(g) Picture COCl2(g) If the equilibrium constant for this reaction
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