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In Seliwanoff's test, will the aldohexoses turn pink if the heating is over 1 minute? How does the dehydration work in a ketohexose?
Explain how would you expect the conductivity of the solution to change during the titration of a strong acid with a strong base. Explain How would expect the conductivity of the solution to change during the titration of a weak acid with a strong..
which of the following alcohols undergoes dehydration at the fastest rate on being heated with H2SO4? a) 1-butanol b)2-methyl-1-butanol c)2-methyl-2-butanol d)3-methyl-1-butanol e)3-methyl-2-butanol?
if it takes 25.0 j to increase the temperature of n moles of ideal he at fixed volume from 15.0 c to 85.0 c the heat
Calculate molar concentration of a 4.50 l solution that contains 35.5 g of dissolved sodium hydrogen carbonate. Why should solute be added to water rather than water added to solute.
Phenol red indicator changes from yellow to red in the pH range 6.6 to 8.0. State what color the indicator will assume at the equivalence point for the titration of NHc with HCL
How many grams of ammonium sulfate can be produced if 30.0 mol of H2SO4 react with excess NH3 according to the equation 2NH3(aq) + H2SO4(aq) => (NH4)2SO4(aq).
Rank each of the following compounds in decreasing order of reactivity towards Friedel-Crafts alkylation. Most reactive = 1; if a compound will not react, rank it as "non" rather than assigning a numerical value.
Estimate the triple point pressure and teperature of water, given that the standard enthalpies of fusion and vaporization are 6008 J/mol and 43990 J/g at 273.15 K and 298.15 K, repectively
An animal cell Presume its normal volume when it is placed in a solution with a total electrolyte molarity of 0.3 M. Suppose if the cell is placed in a solution with a total molarity of 0.6 M, then explain what happens?
Estimate the equilibrium constant for the weak base C6H5CH2NH2, if a 4.53×10-1 M aqueous solution of C6H5CH2NH2 has a pOH 4.84 (make an exact calculation assuming that initial concentration
Question- You have a 1.00 g sample of a hydrate of Na2CO3. By heating the compound, you drive off the water and are left with 0.3704 g of the anhydrous compound. a. What mass of water has been driven off? b. What is the % by mass of Na2CO3 in the ..
The photosynthesis reaction is 6CO2 (g) + 6H2o (g)-> C6H12O6(s)+6O2(g). If the reaction requires 2.823 kJ/mole of C6H12O6 formed: Explain how many grams of C6H12O6 can be produced from 6.20x10^5kJ? Explain how much energy is required to produce 45..
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