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Referring to Fig. 6.12, indicate over how many squares the sound waves would spread for r 5 m. The sound intensity would decrease to what fraction in value?
What are the equilibrium concentrations of C6H5NH2, C6H5NH+3 , Cl-, H+, and OH- in an aqueous solution prepared by combining 50.0 mL of 0.0400 M C6H5NH+3 Cl- and 50.0 mL of 0.0100 M KOH? Kb = 7.4 x 10-10 for C6H5NH2.
Question- If iron(III) oxide has a crystal structure that is face-centered cubic in iron ions, how many oxide ions are in one unit cell of iron(III) oxide
The first-order reaction 2N2O(g) --> 2N2(g) + O2(g), what is the concentration of N20 after 3 half-lives if 0.25 mol of N2O is initially placed into a 1.00-L reaction vessel
Calculate the mass of 5.00mL of water using the date from all members of group. these numbers are the ones from my group 24.601g 28.8107g 29.4162g 29.2040g
vapor phases of water to all be in equilibrium with each other at 0.1 MPa (see equation below)? Explain in terms of Gibbs phase rule.
By comparing the Charles's law equation to the linear equation, y= -0.171x + 46.837, where y is volume and x is temperature, determine the value of k.
calculate deltaH in kilojoules for the reaction, assuming that the heat capacity of the calorimeter is 776 j/celsius, that the specific heat of the final solution is the same as that of water(4.184J/G*C), and that the density of the solution is 1...
Chloroform has a normal boiling point of 61 degrees C and an enthalpy of vaporization of 29.24 kj/mol. What are the values of delta Gvap and delta Svap at 61 degrees C
Calculate the pH at the equivalence point for the titration of 0.250M methylamine (CH3NH2) with 0.250M HCl. Kb of methylamine is 5.0x10^-4,
Calculate the solubility (in moles/liter) of the salt MX in the presence of the common ion X- (concentration 1.90E-1 M) if the value of the solubility product constant Ksp for the salt is 1.00E-16.
a 0.12m solution of a weak acid ha has ph 2.49. what is the ka of this
Explain why p-nitrophenol is a stronger acid than phenol itself. Would p-methoxyphenol be a stronger or weaker acid than phenol. Explain
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