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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 ?G^degree = -13.6KJ, calculate ?Gat 298K for the following sets of conditions 1) 30atm NH3, 30atm CO2, 3.0 M NH2CONH2
How many grams of water are required to prepare a 1 .50 m NaCl solution using 45.5 grams of NaCl?
How many grams of hydrobromic acid (HBr) must be dissolved in 720 ml of water to make a solution with a pH = 6.2?
What is the strongest intermolecular force exhibited in each? (One choice will not be used). a. covalent molecules b. ionic compounds c. polar covalent molecules choices
A sample of Nitrogen gas occupies 1.55L at 27.0 degrees C and 1.00 atm. What will the volume be at -100.0 degrees C and the same pressure?
What is the molarity of a HCl solution that contains 6.13 g of HCl in 352 mL of solution?
A flask contains 0.260 mol of liquid bromine, Br_2. Determine the number of bromine molecules present in the flask.
Explain why the dichlorofluoresceinate anion is adsorbed onto the surface of the AgCl precipitate
What is the minimum flowrate (in m3 hr-1) needed to maintain a maximum CO concentration of 1 ppm in the room at steady-state? (b) What is the residence time of air in the room?
A mixture of 0.1079 M CO (g) and 0.1079 M H2O(g) was allowed to react and come to equilibrium at some temperature. If Kc = 5.668, what is the equilibrium molar concentration of H2 for the reaction.
Take N3 as the independent variable and solve for N2 in terms of N3. Then solve for N1 in terms of N2 and N3. b. Taking note that there cannot be a negative population, what are the possible values of N3 ?
A mixture of CaCO3 and CaO weighing 0.665 g was heated to produce gaseous CO2. After heating, the remaining solid weighed 0.500 g.
Write out the un-ionized structure of valine & phnylalanine. Do either have enantiomers? Write the zwitterion structures of both.
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