Calculate the Q value for each of the following reactions. You
may need to look up...
Calculate the Q value for each of the following reactions. You
may need to look up some of the atomic masses on the web. You can
find a good one by typing in ``atomic mass nist'' into Google.
Express your answer in MeV.
Look up the following materials and say which class of magnetic
response you would expect each to be.
a. chromium b. Magnetite c. cobalt d. oxygen e.
nitrogen f. iron oxide g.
platinum h. Alnico i.
SmCo5
Use the following half-reactions to write three spontaneous
reactions, and calculate E cell for each reaction:
a. Au+ (aq) + e- ----> Au (s) E= 1.69
V
b. N2O (g) + 2H+ (aq) + 2 e-
----> N2 (g) + H2O (l) E= 1.77 V
c. Cr3+ (aq) + 3e- ---> Cr (s) E= -0.74
V
For each of the following acid-base reactions, calculate the
mass (in grams) of each acid necessary to completely react with and
neutralize 5.75 g of the base. HCl(aq)+NaOH(aq)→H2O(l)+NaCl(aq)
1. Calculate the value of work (w) for the internal energy
change in the following reactions at 298 K. Which direction is the
work being applied, by the system or on the system?
a) Ni(s) + 4 CO(g) .....> Ni(CO)4 (g)
b) 2 NO2(g) N2O4(g)
2- For the following single step reaction, determine
the reaction order overall and the orders of each reactant: N2H4(g)
+ H2(g) 2 NH3(g)
3-Draw and label a reaction energy diagram which is fast in...
Look up the structure of each of the following solvents and determine whether they will speed up or slow down the reaction (t-butyl chloride Sn 1 reaction with NaOH) as compared to ethanol (they all dissolve in water). Tetrahydrofuran, Dimethyl sulfoxide, Isopropanol, Glycerol
Estimate the value of the equilibrium constant at 675 K
for each of the following reactions. ΔG∘f for BrCl(g) is
−1.0 kJ/mol. The standard molar entropy, S∘, for BrCl(g)
is 240.0 J/mol⋅K.
3 significant figures in answer.
A. 2NO2(g)⇌N2O4(g) ΔH∘f for N2O4(g) is 9.16 kJ/mol.
B. Br2(g)+Cl2(g)⇌2BrCl(g) ΔH∘f for BrCl(g) is 14.6
kJ/mol.
Estimate the value of the equilibrium constant at 640 K for each
of the following reactions. ΔH∘f and S∘ for BrCl(g) is 14.6 kJ/mol
and 240.0 Jmol⋅K, respectively. for the following
1. 2NO2(g)⇌N2O4(g)
2.Br2(g)+Cl2(g)⇌2BrCl(g)
Estimate the value of the equilibrium constant at 690 K for each
of the following reactions. ΔH∘fand S∘ for
BrCl(g) is 14.6 kJ/mol and 240.0 Jmol⋅K, respectively.
Part A
2NO2(g)⇌N2O4(g)
Part B
Br2(g)+Cl2(g)⇌2BrCl(g)