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Urea (H2NCONH2) is used extensively as a nitrogen source in fertilizers. It is produced commercially from the reaction of ammonia and carbon dioxide.
2 NH3(g) + CO2(g) H2NCONH2(s) + H2O(g)
Ammonia gas at 223°C and 90. atm flows into a reactor at a rate of 660. L/min. Carbon dioxide at 223°C and 45 atm flows into the reactor at a rate of 600. L/min. What mass of urea is produced per minute by this reaction assuming 100% yield? Find _____g/min
Calculate molarity of solution obtained by dissolving 0.212g of Na2CO3 in 250cm3 of solution?
A mixture of .148 moles of C is reacted with .117 moles of O2 in a sealed 10L container at 500K producing CO and CO2. The total pressure is .640 atm. What is the partial pressure of CO?
for a solution having 1 x 10-3 equivalentsliter total alkalinity contributions from hco3- co32- and oh- at h4.69 e-11
The atomic mass of element X is 22.99 amu. A 19.98-g sample of X combines with 16.51 g of another element Y to form a compound XY. Calculate the atomic mass of Y.
calculate [OH-] and pH in a solution in which dihydrogen phosphate ion, H2PO4- is 0.335M and hydrogen phosphate ion, HPO4^(2-) is a)0.335M b)0.100M
At 2000°C the equilibrium constant for the reaction is Kc = 2.4 x 10^3. , 2 NO(g)-> N2(g) + O2(g) If the initial concentration of NO is 0.100 M, what are the equilibrium concentrations of NO, N2, and O2?
Nickel oxide crystallizes in the NaCl type of cystal structure. The length of an edge of the unit cell of NiO is 4.18A. What is the NiO bond length?
Which of the following isomeric chlorides will undergo Sn2 substitution most readily? Why? a. 4-chloro-1-butene b. 1-chloro-1butene (cis or trans) c. 1-chloro-2-butene (cis or trans) d. 2-chloro-1-butene
What concentration of sodium chloride in water is needed to produce an aqueous solution isotonic with blood (blood, pi=7.70 atm at 25 degree C)
What is the total number of compounds, stereoisomers included, designated by the general name dichlorocyclopentane
an experiment shows that a 115 -ml gas sample has a mass of 0.170 g at a pressure of 711 mm hg and a temperature of
How many mL of 6.0M H2SO4 are required to react with .80g of CuO according to the equation CuO
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