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Write concerning the Fe 3+ ion in aqueous solution so that will be able to visualize, based on what you have written, what ishappening to the ferric ion as if I was there. Comment on structureand pr
The following reaction has an equilibrium constant of K =1.6x10-21 at 298 K. The equilibrium constant increases to K = 10.0at 1100 K. Given this information and the following reaction, what does thi
Explain why there are significant color changes that occur insubstitution reactions. Talk about the origins of color and what impacts the color.
Energy must be added to overcome H bonds and dispersion forves between the strands. What is the sign of ΔG for theforward process when TΔS is smaller than ΔH?
You are asked to analyze powdered Gatorade. Two (2) scoops ofGatorade, the recommended quantity for one glass of water, weighted 52 g and took 20.8 mL of a 0.0094 M IO-3 solution to reach the starch
If .150mole of nonvolatile nonelectrolyte solute is dissolved in 800 gramsof water, what are the ideal melting point and boiling points of the solution?
Divers often inflate heavy duty balloons attached to salvage items on the sea floor. If a balloon is filled to a volume of 3.00 L at apressure of 2.50 atm, what is the volume if the balloon when it
A student carried out a reaction that transform edcyclohexanol into cyclohexanone. Would it be easy for her todistinguish these compounds using NMR and IR?
Calcualte the concentration of lycopene given that the molar absorption of lycopene at 471 nm is 1.85 x 10^4. B). calculate the mass of lycopene in 3. 0 ml of the solution having the concentration y
Suppose a patient is given 155mg of I-131, a beta emitter with a half-life of 8.0 days. Assuming that none of the I-131 is eliminated from the person's body in the first 4.0 hours of treatment, wha
What kind of precautions need to be taken when working with Grignard reagents? In addition, which of the following types of functional groups react with Grignard reagents: alkenes; terminal alkynes;
A saturated solution of barium chloride at 30C contains 150 g water. how much additional barium chloride can be dissolved by heating this solution to 60C?
The hydrolysis of methyl acetate into CH3OH and CH3COOH in 1M HCLhas been studied at 25 degrees C. The extent of hydrolysis was measured by titrating the acid formed after measured time intervals wi
A solution of a monoprotic acid, HA, at equilibrium is found tohave a 0.0208 M concentration of nonionized acid. the pH of theacid solution is 2.17. Calculate the initial acid concentration and Ka&n
What are the boiling point and freezing point of a 2.47m solutionof naphthalene in benzene? (The boiling point and freezingpoint of benzene are 80.1oC and 5.5oC,respectively).
Despite the fact that almost all physicians no longer recommend that children not be given aspirin because of fears of triggering Reye's syndrome, 'baby' aspirin sales have remained strong. Suggest
Sr-90 has a half-life of 29.1 years. How long will it take forthe activity of a Sr-90 sample to decay from 6.5x10^3 dpm(disintergration per minute) to 3x10^2 dpm?
Oxygen is dissolved in water at a concentration of 0.695g/L at a pressure of 13.5atm at 25degrees C. What is the Henry's Law constant for oxygen?
The iron(III) chloride does not react with hydrochloric acid. When the 5.000g mixture is reacted with excess hydrochloric acid,420.25 mL of hydrogen sulfide gas is collected, measured at18.6 degree
The standard enthalpies of formation for CO2 (g) and water(l) are -393.5 KJ/mol and -285.8 KJ/mol respectively. The enthalpyof combustion of CH4 (enthalpy of formation = -74.6 KJ/mol) is(KJ/mol)
In reacting aluminum carbonate with hydrochloric acid, 57.6 mgof carbon dioxide was formed. What is the mass of aluminum carbonate reacted to form this amount of carbon dioxide?Al2(CO3)3+ 6HCl ->
Pure Ag melts at 961.8 degC and boils at 2162 degC. The heat of fusion for Ag is 11.28kJ per mol and the heat of vaporization is250.6kJ per mol. Calculate the entropy change for Ag from 961.7 degC t
Consider a 1g sample of radioactive Californium, Z=98 and A=245. The half life of this isotope is 45 min. On average, how many disintegrations per sec occur for this isotope?
Calculate the delta G reaction for this reaction, CO(g)+2H2(g) ---- CH30H(g) kp = 2.26 x10^4 at 25 C under standardconditions? (According to the solution manual, it sets Q=K but notQ=1 under standar