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Question- For malonic acid (CH2(CO2H)2), (Ka1 = 1.42 x 10^-3) and (Ka2 = 2.01 x 10^-6) abbreviated as H2M, find the pH H2M, HM-, and M2- concentration for each of the following:
a.) a 0.100 M solution of H2M
b.) a 0.100 M solution of NaHM (assume [HM-] = 0.100 M)
c.) a 0.100 M solution of Na2M
Illustrate structures to prove your rezoning.
If the heat of combustion for a specific compound is -1310kj/mol and its molar mass is 60.87 g/mol, how many grams of this compound must
Consider the reaction: C2H5OH (l) + 3O2 (g) --> 2 CO2 (g) + 3 H2O (l) , ?H= -1.37 x 103 kJ When a 24.8-g sample of ethyl alcohol (molar mass = 46.07 g/mol) is burned, how much energy is released as heat?
The diatomic molecule AB has a dipole moment of 1.21 D and the A-B bond distance is 115 pm. Determine the percent ionic character of the bond in AB
Add charges, single electron dots, and/or pairs of dots as appropriate to show the Lewis symbols for the most stable ion of each element. Treat n=4 as the valence shell in all cases.
If you are given a 0.25 g piece of sodium metal to react with water, how many moles of HCl would it take to neutralize the sodium hydroxide produced
Density is mass per unit volume, commonly the amount of matter in one cubic centimetre of the material. What two properties of particles affect the density of the material they compose
Heat of hydrogenation of 1,3,5-hexatriene is -335 kj/mol. that for 1,5- hexadiene is -252 kj/mol. Estimate the resonance energy of hexatriene.
a. glucose is present in bacterial cells at a concentration ofabout 1 mm. what is the concentration of glucose
Compute the change in temperature when 1 g sodium chloride is dissolved in 250.0 mL of water is initially at 27 C. The heat capacity of water is 4.184 J/mL/K. Neglect the heat capacity of the NaCl.
how many moles of magnesium oxide are produces by the reaction of 3.82g of magnesium nitride with 7.73g of water? how many grams of excess reactant is left over?
What is semiconservative replication and how were researchers able to show it is involved in prokaryotic replication
Find the moment of inertia about the x-axis of the lamina that has the given shape and density (rho). Round in the thousandths place. y = x^2, y = sqrt(x); rho(x, y) = x^2
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