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Urea (NH2CONH2), an important nitrogen fertilizer, is produced industrially by the reaction 2NH3 (g) + CO2 (g) --> NH2CONH2 (aq) + H2O (l). Given that delta G = -13.6 kJ, calculate delta G at 25 C for the following sets of conditions. 1. 50atm NH3, 50atm CO2, 1.0M NH2CONH2 2. 6.0×10^(?2) atm NH3, 6.0×10^(?2) atm CO2, 1.0 M NH2CONH2 3. Is the reaction spontaneous for the conditions in part (a) and/or part (b)
if 150g of water is collected during complete combustion of 166g of butane with ocyben, calculate the percent yield of water.
The radioactive isotope tritium decays with a first-order rate constant k of 0.056 year-1. What fraction of the tritium initially in a sample is still present 30 years later?
Which of the following pairs of molecules is listed in order of decreasing net dipole moment (from more polar molecule to less polar molecule)? A. CCl4 > SCl4 B. CH2Cl2 > CCl2Br2 C. SF6 > SF4 D. CCl2Br2 > CH2Cl2 Which of the following pairs of mol..
How many grams of Chromium (III) Sulfate will you need and how many mL water will you need? Assume that the density of water is 1.00 g / ml.
A beaker with 1.60×10^2 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100M . A student adds 5.90 mL of a 0.350 M HCl solution to the beaker. How much will..
Based on the half-reactions and their respective standard reduction potentials below, which addition to an aqueous solution containing Fe(NO3)2 will result in a reaction under standard-state conditions?
isothermally against a constant external pressure of 2.85 atm from 3.12 L to 11.85 L. Calculate the values of q, w, delta H, delta S system, delta S surroundings, delta S universe and delta G.
What will be the concentration of Ca2 (aq) when Ag2SO4(s) begins to precipitate. What percentage of the Ca2 (aq) can be separated from the Ag (aq) by selective precipitation
What is the specific activity (in Bq/g) if 3.76 kg of an isotope emits 3.77 * 10^7 beta- particles per minute
Explain the reason why the six atoms that are involved in the peptide bond share a common geometric plane
What is the ratio of C-14 in a wooden object made in 100 BC to the one made of the same kind of wood in 700 BC? Half life of carbon-14 is 5730 years.
In molecular orbital theory: 1. What is a bonding orbital and how does it impact the strength of a bond? 2. What is an antibonding orbital and how does it impact the strength of a bond
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