How do you find the change in heat/enthalpy? P4 (s) + 5O2 (g) -----------> P4O10 (s)
How do you find the change in heat/enthalpy?
P4 (s) + 5O2 (g) -----------> P4O10 (s)
Homework Answers
The enthalpy change can be calculated from the standard enthalpy of formation of individual components. For this reaction, it is given by
dH= dHf(products) - dHf(reactants)
= dHf(P4O10) - dHf(P4) - 5dHf(O2)
= -2984-0-0 kJ/mol = -2984 kJ/mol
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How do you find the change in heat/enthalpy? P4 (s) + 5O2 (g) -----------> P4O10 (s)
Calculate the standard entropy change for the reaction P4(g)+5O2(g)→P4O10(s) using the data from the following table:...
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32. Given the following data: A. P4(s)+ 6 Cl2(g)4 PCls(g) B. P4(s)+ 5 02(g) P4O10(s)AH=- 2967.3 C. PCls(g)+Cl2(g) PCIS(g) D. PCI3(g)+O2(g) ClaPO(g) AH-285.7 AH 1225.6 kJ AH=-84.2 Calculate AH for the reaction: P4O10(s)+6 PCI5(g) 10 CI3PO(g). Note when I solved this problem, I used 3 of the 4 data reactions, added them together, then used the fourth data reaction to get to the desired reaction. -B-6C+10D+A
find enthalpy change
3. When 2.617 g of AX (s) dissolves in 141.2 g of water in a coffee-cup calorimeter the temperature rises from 24.5 °C to 36.5 °C. Calculate the enthalpy change (in kJ/mol) for the solution process. AX(s) - A+ (aq) + X(aq) Assumptions for this calculation: The specific heat of the solution is the same as that of pure water (4.18 J/gK) The density of water = 1.000 g/mL. The liquid's final volume is not changed by...
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