Describe:
-Different pressure fields to start the solution of the momentum
equations for the computational process
-The differences between correcting the velocities with a
velocity potential versus pressure correction.
-The different features associated with the Beam-Warming method
and multi-dimensional factorization
Iron (III) ion and thiocyanate ion exists in equilibrium with
iron thiocyanate ion. The reaction, as written, is
exothermic. Given that the
FeNCS2+
product is a deep red color and the reactants are nearly colorless,
which of the following will cause the solution to
bedarker in color at equilibrium?
Fe3+(aq) +
NCS–(aq) ↔
FeNCS2+(aq)
Increasing the solution temperature
Adding FeNO3
Removing Fe3+ ion by adding NaOH which reacts with
Fe3+ ion.
Removing NCS– ion by adding
AgNO3 with reactacts with...
The following reaction is used to obtain iron from iron ore:
Fe2O3(s)+3CO(g) ? 2Fe(s)+3CO2(g)
The reaction of 172 g of Fe2O3 with 84.2 g of CO produces 71.8 g
of Fe.
Calculate the theoretical yield of solid iron.
Express the mass in grams to three significant figures.
Consider the reaction of iron (III) sulfate (aq) and sodium
phosphate (aq) to form iron (III) phosphate (s) and sodium sulfate
(aq).
c. If 2.16 g of iron (III) phosphate are obtained when a student
performed this reaction, what is the percent yield?
d. Is the answer from part C reasonable? Assuming no calculation
errors were made, give a possible explanation for the answer in
part C.
e. If you perform this reaction with 20.00 mL of the 0.250 M...
Iron and oxygen gas react in a combination reaction to form
iron(III) oxide. How many moles of iron are needed to make 5.0
moles of iron(III) oxide? Hint: Write and balance the chemical
equation.
Multiple Choice
2.5 mol
10. mol
5.0 mol
1.0 mol
0.50 mol
Mining companies use this reaction to obtain iron from
iron ore : Fe2O3(s) + 3CO(g) = 2Fe(s) + 3CO2(g). The reaction of
167g Fe2O3 with 84.7g CO produces 76.5g Fe. Determine the
theoretical yield. Determine the percent yield.
Describe the extraction of magnesium from seawater in the Dow
process. Show all relevant equations involved in the process,
starting with the precipitation of Mg2+ as Mg(OH)2(s) using CaO(s)
until the electrolysis of molten MgCl2.
Predict and balance each of the following equations. If no
reaction occurs, write NO REACTION. Just give the Complete
Molecular formula. a). ____SrCl2 (aq) + ___NH4Cl (aq) can someone
explain to me how to predict and balance step-by-step please? How
to balance and predict in general. Not just this question