Chemistry › Thermochemistry
Thermochemistry Questions
167 questions across 10 subtopics — with step-by-step solutions.
Bond Enthalpy(3)
Born Haber Cycle(2)
Enthalpy of Combustion(11)
- In a constant volume calorimeter, of a gas... | Chemistry | TestHub
- coal is burnt in a bomb calorimeter in exc... | Chemistry | TestHub
- The difference in \Delta \mathrm{H} and \D... | Chemistry | TestHub
- Heat of combustion of \mathrm{CH}_{4}, \ma... | Chemistry | TestHub
- Hydrazine, a component of rocket fuel, und... | Chemistry | TestHub
- The heat of combustion of solid benzoic ac... | Chemistry | TestHub
- One mole of graphite and diamond were sepa... | Chemistry | TestHub
- Codes: P Q R S | Chemistry | TestHub
- The enthalpies of combustion of C(graphite... | Chemistry | TestHub
- For the allotropic change represented by t... | Chemistry | TestHub
- The enthalpy of combustion of cyclohexane,... | Chemistry | TestHub
Enthalpy of Formation(13)
- \Delta \mathrm{H}_{\mathrm{f}}^{0} of \mat... | Chemistry | TestHub
- Calculate \Delta \mathrm{S}_{\text {univer... | Chemistry | TestHub
- List-I List-II(P) \quad \mathrm{O}_{2}(\ma... | Chemistry | TestHub
- The enthalpies of formation of \mathrm{FeO... | Chemistry | TestHub
- \mathrm{S}+\frac{3}{2} \mathrm{O}_{2} \lon... | Chemistry | TestHub
- The enthalpies of formation of \mathrm{FeO... | Chemistry | TestHub
- In the following question, two statements... | Chemistry | TestHub
- Enthalpy of formation of \mathrm{H}_{2} \m... | Chemistry | TestHub
- Find \Delta_{f} \mathrm{H}^{\circ} for \ma... | Chemistry | TestHub
- Given the following thermochemical reactio... | Chemistry | TestHub
- Calculate the enthalpy of formation of ion... | Chemistry | TestHub
- If the enthalpies of formation of \mathrm{... | Chemistry | TestHub
- Identify the wrong statements. | Chemistry | TestHub
Enthalpy of Neutralisation(10)
- of is mixed with of The molar heat of neut... | Chemistry | TestHub
- Which of the following mixing of 1 M base... | Chemistry | TestHub
- The enthalpies of neutralization of a stro... | Chemistry | TestHub
- Enthalpy of neutralization of \mathrm{H}_{... | Chemistry | TestHub
- When 100 ml of 1 \mathrm{M} \mathrm{H}_{3}... | Chemistry | TestHub
- 1 L each of 1 M HCl and 1 M NaOH are mixed... | Chemistry | TestHub
- The heat of neutralization of oxalic acid... | Chemistry | TestHub
- A solution of 200 ml of 1 M KOH is added t... | Chemistry | TestHub
- A solution of 500 ml of 0.2 M KOH and 500... | Chemistry | TestHub
- H^{+}+OH^{-}\rightarrow H_2O;\Delta H^{o}=... | Chemistry | TestHub
Enthalpy of Reaction(101)
- If at the bond energies of and bonds are r... | Chemistry | TestHub
- The enthalpies of combustion of carbon and... | Chemistry | TestHub
- If the bond dissociation energies of and (... | Chemistry | TestHub
- The standard enthalpy of formation at for... | Chemistry | TestHub
- The enthalpy changes for the following pro... | Chemistry | TestHub
- Oxidising power of chlorine in aqueous sol... | Chemistry | TestHub
- On the basis of the following thermochemic... | Chemistry | TestHub
- The species which by definition has zero s... | Chemistry | TestHub
- The standard enthalpy of formation of is .... | Chemistry | TestHub
- The enthalpy of neutralisation of with is... | Chemistry | TestHub
- Using the data provided, calculate the mul... | Chemistry | TestHub
- Given that: (i) of is (ii) Bond energies o... | Chemistry | TestHub
- The standard enthalpies of formation ofand... | Chemistry | TestHub
- Given Reaction Energy Change Based on data... | Chemistry | TestHub
- In which of the following exothermic react... | Chemistry | TestHub
- The reaction is an exothermic reaction. Ac... | Chemistry | TestHub
- Given: The molar enthalpy of vapourisation... | Chemistry | TestHub
- For complete combustion of ethanol,,the am... | Chemistry | TestHub
- The standard enthalpy of formation for met... | Chemistry | TestHub
- The standard enthalpy of formation ofis. I... | Chemistry | TestHub
- The heat of atomization of methane and eth... | Chemistry | TestHub
- The heats of combustion of carbon and carb... | Chemistry | TestHub
- Given:Based on the above thermochemical eq... | Chemistry | TestHub
- The enthalpy change on freezing ofof water... | Chemistry | TestHub
- The combustion of benzenegivesandGiven tha... | Chemistry | TestHub
- The difference betweenandis, when the comb... | Chemistry | TestHub
- Given:Based on the above thermochemical eq... | Chemistry | TestHub
- Choose the reaction(s) from the following... | Chemistry | TestHub
- Enthalpy of sublimation of iodine isat. If... | Chemistry | TestHub
- The internal energy change (in ) when of w... | Chemistry | TestHub
- If enthalpy of atomization forisand bond e... | Chemistry | TestHub
- Lattice enthalpy and enthalpy of solution... | Chemistry | TestHub
- The standard heat of formationof ethane (i... | Chemistry | TestHub
- At, the enthalpy of fusion of a solidisand... | Chemistry | TestHub
- The average bond energy in of is _. (Round... | Chemistry | TestHub
- The Born-Haber cycle for is evaluated with... | Chemistry | TestHub
- According to the following figure, the mag... | Chemistry | TestHub
- If the standard molar enthalpy change for... | Chemistry | TestHub
- The standard enthalpies of formation of an... | Chemistry | TestHub
- The reaction of cyanamide,with oxygen was... | Chemistry | TestHub
- Atthe relationship between enthalpy of bon... | Chemistry | TestHub
- For the reactionthe reaction enthalpyis(Ro... | Chemistry | TestHub
- The ionization enthalpy offormation fromis... | Chemistry | TestHub
- When of solution is mixed with of solution... | Chemistry | TestHub
- For water atandbar,(Round off to the Neare... | Chemistry | TestHub
- An average person needs aboutenergy per da... | Chemistry | TestHub
- For the reaction at The enthalpy change fo... | Chemistry | TestHub
- A gas ( Molar mass) was burnt in excessin... | Chemistry | TestHub
- ofcompletely vapourises atandbar pressure... | Chemistry | TestHub
- While performing a thermodynamics experime... | Chemistry | TestHub
- Atandpressure, the enthalpy of combustion... | Chemistry | TestHub
- Whenofis mixed withofsolution in a flask,... | Chemistry | TestHub
- The enthalpy of combustion of propane, gra... | Chemistry | TestHub
- At and atm pressure, the enthalpies of com... | Chemistry | TestHub
- For complete combustion of methanol the am... | Chemistry | TestHub
- fish swimming in water body when taken out... | Chemistry | TestHub
- ofis combusted in a fixed volume bomb calo... | Chemistry | TestHub
- of ethane undergoes combustion at in a bom... | Chemistry | TestHub
- The enthalpy change for the conversion of(... | Chemistry | TestHub
- and are diatomic molecules. If the bond en... | Chemistry | TestHub
- At , the enthalpy of the following process... | Chemistry | TestHub
- Consider the following dataHeat of combust... | Chemistry | TestHub
- The number of endothermic process/es from... | Chemistry | TestHub
- Given(A) (B) The for the reaction is | Chemistry | TestHub
- L of is produced on complete combustion of... | Chemistry | TestHub
- Solid fuel used in rocket is a mixture of... | Chemistry | TestHub
- For complete combustion of ethene,the amou... | Chemistry | TestHub
- Enthalpies of formation ofandareandrespect... | Chemistry | TestHub
- Given below are two statements : One is la... | Chemistry | TestHub
- The enthalpy of formation of ethane from e... | Chemistry | TestHub
- The heat of combustion of solid benzoic ac... | Chemistry | TestHub
- Two reactions are given below:Then enthalp... | Chemistry | TestHub
- The heat of solution of anhydrous and are... | Chemistry | TestHub
- Standard enthalpy of vapourisation for is... | Chemistry | TestHub
- Combustion of 1 mole of benzene is express... | Chemistry | TestHub
- When equal volume of and are separately ne... | Chemistry | TestHub
- The bond dissociation enthalpy of calculat... | Chemistry | TestHub
- Total enthalpy change for freezing of 1 mo... | Chemistry | TestHub
- Given :The for is _____ (nearest integer v... | Chemistry | TestHub
- Given below are two statements :Statement... | Chemistry | TestHub
- If (diamond (graphite diamond C (graphite)... | Chemistry | TestHub
- Consider the following data : Heat of form... | Chemistry | TestHub
- Consider the following cases of standard e... | Chemistry | TestHub
- Practice Question | Chemistry | TestHub
- A sample of n-octane was completely burnt... | Chemistry | TestHub
- The heat of formation of is given by : | Chemistry | TestHub
- The correct statement amongst the followin... | Chemistry | TestHub
- The formation enthalpies, for and are 220.... | Chemistry | TestHub
- Consider the given data :(a) (b) Choose th... | Chemistry | TestHub
- The difference between heats of reaction a... | Chemistry | TestHub
- Ethyl chloride \left(\mathrm{C}_{2} \mathr... | Chemistry | TestHub
- A 500 gm sample of water is reacted with a... | Chemistry | TestHub
- Calculate the magnitude of heat energy lib... | Chemistry | TestHub
- For which of the following processes/react... | Chemistry | TestHub
- Match the enthalpy change (\Delta \mathrm{... | Chemistry | TestHub
- Calculate in kJ/mol for the above reaction... | Chemistry | TestHub
- Find the value of \Delta_{\mathrm{r}} \mat... | Chemistry | TestHub
- The reaction of cyanamide, \mathrm{NH}_{2}... | Chemistry | TestHub
- Heat evolved in the reaction, \mathrm{H}_{... | Chemistry | TestHub
- Under same conditions how many ml of 1 M N... | Chemistry | TestHub
- From the following data at 25^{\circ} \mat... | Chemistry | TestHub
Enthalpy of solution/dilution/hydration(7)
- The hydration energies of and are -x and -... | Chemistry | TestHub
- The enthalpy of solution of and are and re... | Chemistry | TestHub
- The correct order of the following is/arei... | Chemistry | TestHub
- A piston exerting a pressure of 1 bar rest... | Chemistry | TestHub
- One mole of soda ash dissolves in water wi... | Chemistry | TestHub
- For a certain compound MX , the lattice en... | Chemistry | TestHub
- The enthalpy of solution of \mathrm{BaCl}_... | Chemistry | TestHub
Hess's Law of Constant Heat Summation(7)
- Calculate the heat of formation of using t... | Chemistry | TestHub
- \mathrm{C}_{\text {(diamond) }}+\mathrm{O}... | Chemistry | TestHub
- The enthalpy of dissociation of HCN comput... | Chemistry | TestHub
- Calculate the heat of formation of methane... | Chemistry | TestHub
- Using bond energy data, calculate the heat... | Chemistry | TestHub
- Practice Question | Chemistry | TestHub
- The lattice energy of solid NaCl is 772 \m... | Chemistry | TestHub
Miscellaneous/Mixed(9)
- When 100 mL of 1.0 M HCl was mixed with 10... | Chemistry | TestHub
- Match the reactions given in List-I with c... | Chemistry | TestHub
- If heat of formation of \mathrm{PCl}_{3}(\... | Chemistry | TestHub
- Two moles of an ideal gas undergoes the fo... | Chemistry | TestHub
- Calculate proton affinity of \mathrm{NH}_{... | Chemistry | TestHub
- One mole of magnesium in the vapour state... | Chemistry | TestHub
- One gm sample of \mathrm{NH}_{4} \mathrm{N... | Chemistry | TestHub
- One mole of an ideal gas at 900 K , underg... | Chemistry | TestHub
- Total number of enthalpies (out of given e... | Chemistry | TestHub
Miscelleneous Enthalpies(4)
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