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A carbon-hydrogen-nitrogen-oxygen compound has a molecularmass of 116.12 u. In a combustion analysis, a 2.464 g sample yields3.735 g CO2 and 1.530 g H2O. In aseparate experiment, the nitrogen in a 1.868 g sample of thecompound is converted to NH3(g) and the NH3neutralized by passing it into 50.00mL of 0.3600 MH2SO4(aq) requires 18.63 mL of 0.2050 MNaOH(aq) for its neutralization. Using these data, determine forthe molecule:
(a) the most plausible Lewis structure, and
(b) a plausible bonding scheme.
hydrochloric acid for neutralization. A 12.0mL volume of a phosphoric acid solution requires 35.1mL of the sodium hydroxide solution for complete neutralization.
The best means of personal protection from radiation for emergency responders is the implementation of three basic principles: time, distance and shielding. Please show your work when answering the following questions:
The daily dose of ampicillin for the treatment of an ear infection is 115 mg/kg of body weight. What is the daily dose for a 34-lb child?
Calculate the energy transferred as heat to raise the temp of 55g aluminium from 22.4 degrees C to 94.6 degrees C?
Starting with 2.70 x 10^22 atoms of Tl-206, calculate the number of such atoms left after 28.5 min.
Select all of the correct statements about the relative acid strengths of pairs of acids from the choices below. HCl is a stronger acid than H2S because Cl is more electronegative than S. H2SO4 is a stronger acid than H2SeO4 because S is more electro..
what is the total mass in grams of a series of samples that have masses of 753mg,
What is its speed in cm/sec? (b) How far in meters would it travel in 2.00 days? (c) If a snail weighs 2.00 grams, how many snails would it take to make a firkin at sea level?
Consider the following equilibrium process at 700°C. 2H2(g)+S2(g) 2H2S(g) Analysis shows that there are 2.50 moles of H2, 1.35 10-5 mole of S2, and 8.70 moles of H2S present in a 12.0 L flask. Calculate the equilibrium constant Kp for the reactio..
predict whether or not a precipitate will form upon mixing 75.0 ml of a naoh solution with poh2.58 with 125.0ml of a
Write a nuclear reaction for the neutron-induced fission of U-235 to produce Te-137 and Zr-87? How many neutrons are produced
diethyl either is 34.5C and its latent heat of vaporization is 6.38 kcal/mol. Calculate its vapor pressure
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