Calculate ΔH°R for the reaction Mg(s) + 2H2O(l) →
Mg(OH)2(s)+H2(g) at 350. K. Assume Cp,m does...
Calculate ΔH°R for the reaction Mg(s) + 2H2O(l) →
Mg(OH)2(s)+H2(g) at 350. K. Assume Cp,m does not change with
Temperature. How much did ΔH°R change from 298.15K to 350. K?
Mg(s)+2H2O(l)→Mg(OH)2(s)+H2(g).Calculate the number of grams of
Mg needed for this reaction to release enough energy to increase
the temperature of 75 mL of water from 21 ∘C to 76 ∘C. Calculate
the standard enthalpy change for this reaction.
From the enthalpies of reaction
H2(g)+F2(g)→2HF(g)ΔH=−537kJ
C(s)+2F2(g)→CF4(g)ΔH=−680kJ
2C(s)+2H2(g)→C2H4(g)ΔH=+52.3kJ
calculate ΔH for the reaction of ethylene with F2:
C2H4(g)+6F2(g)→2CF4(g)+4HF(g)
From the enthalpies of reaction H2(g)+F2(g)→2HF(g)ΔH=−537kJ
C(s)+2F2(g)→CF4(g)ΔH=−680kJ 2C(s)+2H2(g)→C2H4(g)ΔH=+52.3kJ
calculate ΔH for the reaction of ethylene with F2:
C2H4(g)+6F2(g)→2CF4(g)+4HF(g)
For the following reaction:
3H2SO4(g) + 2Fe(OH)3(s) →
Fe2(SO4)3(s) +
6H2O(l)
1. Calculate ΔH°rx (in kJ) for this reaction. Report
your answer to two decimal places in standard notation
(i.e. 123.45 kJ).
2. Calculate ΔS°rx (in J/K) for this reaction. Report
your answer to two decimal places in standard notation
(i.e. 123.45 J/K).
3. Calculate ΔG°rx (in kJ) at 511.71 K for this
reaction. Report your answer to two decimal places in standard
notation (i.e. 123.45 kJ).
Assume ΔH°f and...
A. Calculate KP at 298 K for the reaction
NO(g)+12O2(g)→NO2(g) assuming that ΔH∘R is
constant over the interval 298-600 K.
B. Calculate KP at 486 K for this reaction
assuming that ΔH∘R is constant over the interval
298-600 K.
Thank you
Sodium and water react according to the reaction 2Na(s) +
2H2O(l) ® 2NaOH(aq) + H2(g) What number of moles of H2 will be
produced when 4 mol Na is added to 2 mol H2O? a 1 mol b 2 mol c 3
mol d 4 mol e none of these
Determine the limiting reactant when 4.00 mol of Sb are reacted
with 5.00 mol Cl2 according to the unbalanced
equation
Sb + Cl2 ® SbCl3
a Sb
b...
Calculate Kc for the following reaction: 2CH3OH(g) +
H2(g) ⇌ C2H6(g) + 2H2O(g) given the following data:
2CH4(g) ⇌ C2H6(g) + H2(g) ;Kc1 = 9.4×10−13
CH4(g) + H2O(g) ⇌ CH3OH(g) + H2(g) ;Kc2 = 2.4
×10−21
If needed, use “E” for scientific notation. Report your answer
to the correct number of significant figures.