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Question - What is the difference between isomers and epimers? What is an example of each? During digestion, disaccharides like sucrose are hydrolyzed. What are the products of the reaction? How is the digestion different in the digestive system versus a beaker with the same chemical conditions of temperature, pH, etc? Are the chemical energetics in the beaker different from the bioenergetics in the gastrointestinal system?
0.0810 g of aluminum (27.0 g/mol) reacted with 10.00mL of1.00 M HCl(aq) in an ice-calorimeter under a constant pressure of 1 atm. Explain when the reaction was complete, the volume of the ice-water mixture decreased by 0.435mL. Compute DH and DE o..
5 mL 1 M HCl and 10 mL .005 M iodine. If the reaction order is zero with respect to iodine, how long will it take for the iodine color to disappear?
Detailed calculations show that the value of Z eff for the outermost electrons in Na and K atoms is 2.51+ and 3.49+ , respectively. What value do you estimate for Zeff experienced by the outermost electron in both Na and K by assuming core electro..
What is the charge-to-mass ratio of an ionized hydrogen atom (proton)? Of doubly ionized helium? Would it be difficult to distinguish hydrogen from helium.
A sample of NH4HS is placed in an evacuated container as well as allowed to come to equilibrium. The partial pressure of NH3 is then raised by the addition of 0.590atm of NH3. Explain the partial pressure of H2S at equilibrium is now what atm
What is the pH of the solution when half of the base in part a has been added. What is the pH of the solution at the equivalnce point
How many moles of oxygen gas are needed to completely react to produce 0.94 moles of sulfur trioxide?
An excess of solid nickel hydroxide (Ni(OH)2) is added to a flask of water. Find [Ni+2] at equilibrium and find pH at equilibrium.
Would it be possible to vary the temperature of a system consisting of water and ethanol (CH3CH2OH) while maintaining an equilibrium between solid, liquid, and vapor phases?
Calculate the heats of combustion for the following reactions from the standard enthalpies of formation listed in the text- (a) 2H2(g) + O2 (g)--> 2H2O (l). (b) 2C2H2 (g) + 5O2 (g) --> 4CO2 (g) + 2H2O (l).
the rate constant for a certain reaction is k 5.40times10-3 . if the initial reactant concentration was 0.250 what
Suppose 2.08 g of iron(II) bromide is dissolved in 100.mL of a 68.0mM aqueous solution of silver nitrate. Calculate the final molarity of bromide anion
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