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Calculate the molar solubility of Fe(OH)2 in a buffer solution where the pH has been fixed at the indicated values. Ksp = 7.9 x 10-16. (a) pH 7.0 M (b) pH 11.0 M (c) pH 13.6 M
Consider the monohybridization of 2-methylhexane using Br2 and UV light, how many unique halide products could be formed during this reaction
Calculate the percent yield of this organic reaction- C7H6O2------->C12H16O2. Molecular weight of C7H6O2 is 122.12 amount used 100g, Molecular weight of C12H16O2 192.25 amount recovered 125.9 g
what effect does the presence of sodium sulfite group on methyl orange have on the solubility of methyl orange in water. If this group were absent, would you expect the solubility of the resulting m
What does the magnetic quantum number determine. Check all that apply. A.) the possible number of electrons on particular orbital B.) the energy of an orbital C
What are the possible values of the magnetic quantum number A.) all the positive integers: 1,2,3, etc. B.) represented by the formula: m = 2k + 1, where k is a positive integer C
One of the steps in the commercial process for converting ammonia to nitric acid is the conversion of NH_3 to NO: 4NH_3 + 5O_2 yields 4NO +6H_2O In a certain experiment, 2.05g of NH_3 reacts with 3.
How many grams of the excess reactant remain after the limiting reactant is completely consumed
How many grams of sodium lactate ( or ) should be added to 1.00 of 0.140 lactic acid ( or ) to form a buffer solution with = 4.10? Assume that no volume change occurs when the sodium lactate is adde
What does the angular momentum quantum number determine? Check all that apply. A.) the overall size of an orbital B.) the energy of the electron on the outer shell C.) the possible number of electro
What does the angular momentum quantum number determine. Check all that apply. A.) the overall size of an orbital B.) the energy of the electron on the outer shell
How many moles of magnesium oxide are produced by the reaction of 3.82 g of magnesium nitride with 7.73 g of water? Mg_3N_2 + 3H_2O yields 2NH_3 + 3MgO
What are the possible values of the angular momentum quantum number l A.)represented by the formula: l = 2k + 1, where k is a positive integer B
An electron has an uncertainty in its position of 594pm . What is the uncertainty in its velocity?
Sulfur and fluorine react in a combination reaction to produce sulfur hexafluoride: The maximum amount of SF6 that can be produced from the reaction of 3.5 g of sulfur with 4.5 g of fluorine is
your expense account allows you to spend $80.00 a day when you are on a trip. If you have a week-long trip to tiny country of Kratvia, where the exchange rate is 3.50 kratvels per dollar, how man
Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: A 5.50-g sample of \rm CaO is reacted with 5.31 g of H_2O. How many grams of water remains after completion of
To find the value of the equilibrium constant at each temperature you must first find the value of G0 at each temperature by using the equation G0 = H0 - TS0 For this reaction the values are H0 = +8
Calculate the percentage of chlorine in a sodium hypochlorite powder if 5.0 kg of powder gives off 2.3 kg of chlorine.
Calculate the equilibrium partial pressures of Cl2, H2O, HCl, and O2. Peq(Cl2) = . Peq(H2O) = . Peq(HCl) = . Peq(O2) = . (b) Calculate KP for this reaction.
The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 7.10mL of a 0.410\it M \rm HCl solution to the beaker. How much will the pH change? The pKa of acetic acid is
A lump of copper is heated with 225 J of energy. Its temperature rises by 11.5 oC. How many grams does this lump weigh
1.) What are the possible values of the principal quantum number n. A.) represented by the formula: k!, where k is a positive integer B.)all the integer: -3,-2,-1,0,1,2,3, etc. C.)represented by the
Condensation polymers are made using a monomer with two functional groups which split off as the remainder of the two monomers are joined together. Often the small molecule eliminated in the process
Which of the following substances has the highest boiling point a. HF b. Ar c. CH2Cl2 d. C2H6