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A current of 11.3 A is applied to 1.25 L of a solution of 0.552 M HBr converting some of the H+ to H2(g), which bubbles out of solution. What is the pH of the solution after 73 minutes?
Prepare a molecular orbital energy level diagram for NO, showing clearly how the atomic orbitals interact to form MO's b) How does the diagram illustrate the difference in electronegativity between N and O
Consider the following reaction- 2A + B ? 3C + D If 63.0 mol A and 42.0 mol B react to form 54.0 mol C. What is the percent yield of this reaction
The thermochemical equation for the formation of ammonia from elemental nitrogen and hydrogen is as follows: N2(g)+3H2(g)--> 2NH3 (g) ΔH= -92.2kj
Converting liquid H2O to solid ice releases 1.44 kcal/mol. How many k/cal are released by freezing 1.4 mol of H2O?
The sodium hydroxide solution was prepared by dissolving 10.00 g of solid NaOH in sufficient water to form 200.00 mL of solution. If the equivalence point was reached after the addition of 23.50 mL of the NaOH solution, what is the molarity of HNO..
the degree of agreement among several measurements of the same quantity is called. it reflects the reproducibility of a
Hospital X-ray generators emit X rays with wavelength of about 15.0 nanometers (nm), where 1nm=10^9-m. What is the energy of a photon of the X rays
how does the hammond postulate explaina. the greater selectivity for bromination vs. chlorination of an alkane?b. the
when two atoms collide some of their kinetic energy may be converted into electronic energy in one or both atoms. if
Calculate the number of moles of H2O formed when 0.200 mole of Ba(OH)2 is treated with 0.500 mol of HClO3 according to the chemical reaction shown below.
Calculate the pH at the equivalence point for the titration of 0.130 M methylamine (CH3NH2) with 0.130 M HCl. The Kb of methylamine is 5.0× 10-4.
If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.704 grams of iron and 12.6 mL of 0.581M copper(II) sulfate react to form as much product as possible,
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