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Question: H2AsO4- is amphoteric. What is the balanced chemical equation for its reaction with nitric acid? Write the balanced chemical equation for its reaction with a potassium hydroxide.
An aqueous solution of a monoprotic acid HA (Ka = 4.33×10-1) has a pH of 4.88. What is the molarity of the solution? (i.e. [HA]+[A-].)
Would the presence of a nitro group in the 4- and 4'- positions in benzophenone increase the frequency of the carbonyl stretch or decrease it? Explain using resonance structures.
Compute the moment of inertia of the molecule in kg m 2 . And also determine the greatest wavelength of the radiation that can excite the molecule into rotation.
calculate the volume of 1.42 M NaOH solution required to titrate 23.9 mL of a 1.5 M H3PO4 solution
The equilibrium constant for the reaction Ni(s) + 4CO(g) ? Ni(CO)4(g) is 5.0 × 104 at 25°C. What is the equilibrium constant for the reaction Ni(CO)4(g) Ni(s) + 4CO(g)? A) 2.0 × 10-5 B) 2.5 × 109 C) 5.0 × 104 D) 5.0 × 10-4 E) 2.0 × 10-3
if 30.0ml of .150m calcium chloride is added to 15.0 ml of .100 m silver nitrate what will be the final concentration
calculate the value of deta s when 1.20 mol ch3oh l of is vaporized at 64.7 c. the normal boiling point of methanol is
A 50.0 L steel vessel, filled with CH4 to a pressure of 10.0 atm at 298 K, is heated to 1600 K to convert CH4 into C2H2 . What mass of C2H2can be produced. What pressure does the reactor reach at 1600 K? 2CH4 (g) C2H2(g) + 3H2(g)
Calculate the maximum mass of Be(s) (in grams) that can be deposited from BeCl2(l) melt by a current of 5.0 A that flows for 1.0 hour
Determine the linear and volume shrinkages that occur during the drying and sintering of a gel containing 5 vol% solids if the dried gel and the sintered gel have a solids content (relative density) of 50% and 100%, respectively
Find the ratio of the rms speed of He to that of Xe at 30 degrees Celsius. Find the average kinetic energy per mole of He and Xe at 30 degrees Celsius. enter your answers in scientific notation.
A special gas mixture used in bacterial growth chambers contains 1.00 % by weight CO2 and 99.0 % O2. What is the partial pressure (in atmospheres) of each gas at a total pressure of 0.941 atm
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