English
Maharashtra State BoardHSC Science (Computer Science) 12th Standard Board Exam
Question Papers285
Textbook Solutions10774
MCQ Online Mock Tests60
Important Solutions8898
Concept Notes & Videos845
Time Tables35
Syllabus

Chemical Thermodynamics and Energetic - Enthalpy of Bond Dissociation

Advertisements

Topics

Shaalaa.com | enthalpy of bond dissociation, combustion, formation, atomization, sublimation

Shaalaa.com


Next video


Shaalaa.com


enthalpy of bond dissociation, combustion, formation, atomization, sublimation [00:15:30]
S
Series: series 1
0%


enthalpy of bond dissociation, combustion, formation, atomization, sublimation
00:15:30  undefined

Related QuestionsVIEW ALL [8]

Calculate ΔH° for the reaction between ethene and water to form ethyl alcohol from the
following data:

ΔcH° C2H5OH(l) = -1368 kJ
ΔcH° C2H4(g) = -1410 kJ
Does the calculated ΔH° represent the enthalpy of formation of liquid ethanol?

Calculate ∆H° for the following reaction:

2H3BO3(aq) → B2O3(s) + 3H2O(l)

a) H3BO3(aq) → HBO2(aq) + H2O(l) , ∆`H_1^@` = − 0.02 kJ

b) H2B4O7(s) → 2B2O3(s) + H2O(l) , ∆`H_2^@` = 17.3 kJ

c)H2B4O7(s) + H2O(l) → 4HBO2(aq), ∆`H_3^@` = − 11.58 kJ

Calculate the work done in the following reaction at 50°C. State whether work is done on the system or by the system.
`"SO"_2("g") + 1/2"O"_(2("g")) rightarrow "SO"_(3("g"))`

Calculate the standard enthalpy of the reaction, 2C(graphite) + 3H2(g) → C2H6(g), ΔH° = ?

From the following ΔH° values

a) `C_2H_6(g) + 7/2 O_2(g) -> 2CO_2(g) + 3H_2 O(l)`.  ΔH° = -1560kJ

b) `H_2(g) + 1/2 O_2 (g) -> H_2O(l)`  ΔH° = -285.8kJ

c) C(graphite) + O2(g) -> CO2(g). ΔH° = -393.5kJ

Calculate C-Cl bond enthalpy from following reaction:

CH3Cl(g) + Cl2(g) → Ch2Cl2(g) + HCl(g) ΔH° = -104KJ

If C-H, Cl-Cl and H-Cl bond enthalpies are 414, 243 and 431 KJ-Mol-1 respectively.

For the reaction: Cl2(g) → 2Cl(g), _______.

(A) ΔH is positive, ΔS is positive

(B) ΔH is positive, ΔS is negative

(C) ΔH is negative, ΔS is negative

(D) ΔH is negative, ΔS is positive

Calculate the standard enthalpy of combustion of CH3COOH(l) from the following data:

`Delta_fH^@(CO_2)=-393.3 kJ mol^-1`

`Delta_fH^@(H_2O)=-285.8 kJ mol^-1`

`Delta_fH^@(CH_3COOH)=-483.2 kJ mol^-1`

Define enthalpy of sublimation.

Related concepts

  • Chemical Thermodynamics and Energetic - Surroundings
  • Chemical Thermodynamics and Energetic - State Functions
  • Chemical Thermodynamics and Energetic - Internal Energy and Enthalpy
  • Chemical Thermodynamics and Energetic - Phase Transition
  • Chemical Thermodynamics and Energetic - Ionization and Solution
  • Chemical Thermodynamics and Energetic - Free Energy Change for Spontaneous and Non Spontaneous Processes
  • Chemical Thermodynamics and Energetic - Chemical Thermodynamics and Energetic
  • Chemical Thermodynamics and Energetic - Dilution Introduction of Entropy as a State Function
  • Chemical Thermodynamics and Energetic - Equilibrium Constant
Advertisements
Share
Notifications

Englishहिंदीमराठी
Login
Create free account


      Forgot password?
Course
Use app×