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Why is the boiling point of the parent alcohol (i.e. cyclohexanol) higher than that of the product alkene (clycohexene) in the dehydration experiment?
A student reacted 0.22 g of zinc (Zn) with excess hydrochloric acid (HCl) to generate hydrogen gas (H2).
When o-phthaladehyde is treated with base, o-(hydroxymethyl)benzoic acid is formed. Show the mechanism of this reaction.
A protein biochemist attempted to determine the amino acid sequence of a decapeptide. Use the results from the trypsin, chymotrypsin, and cyanogen bromide treatments to suggest the amino acid sequence of this decapeptide.
What is the heat change of a 25 g block of iron that starts at a temperature of 22 degrees C and increases to 79 degrees C?
calculate the osmotic pressure associated with 50.0 g of an enzyme of molecular weight 98,000 g/mole dissolved in 2600 mL
Choose only the mixtures that constitute buffer solutions. Can someone how i would determine this as well? 0.30 M HOCN mixed with 0.35 M NaNO3
A solution contains 2.0x10-8 moles of H+ ion in 10.0 liters A.What is the pH? B. What is the [OH-] C. What is the pOH? D. Is the solution acidic or basic?
Calculate the theoretical yield when 7.0 ml of acetic anhydride
Potassium nitrate decomposes on heating, producing potassium oxide and gaseous nitrogen and oxygen: 4KNO3(s)→ 2K2O(s) + 2N2(g) + 5O2(g)
Calculate the energy (joules) required to achieve the transition from the ground state to the first excited state for this system.
Write the equations for the ionization of 3-aminophenol. Would this substance be more soluble in water at pH 2.0 or pH 8.0? Would you expect this substance to be absorbed into the bloodstream in the stomach or the intestines?
If 18.4 mL of 0.800 M~rm HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution, what is the molar concentration of the ammonia?
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