If AH 0 and AS 0 a reaction will be A Spontaneous B

03 A liquid confined inside an adiabatic container is suddenly taken from state 1 to state 2 by single stage process as shown then AH is A AH 2P Po 2yPo Vo 0 Y 1 C AH 3P V Vo 2 4V B AH PoVo 00 D AH 3yP Vo 0 0 V 1

Moving to the next ques on 7 Then a sample of aqueous hydrochloric acid was neutralized with aqueous sodium hydroxide in a calorimeter the temperature of 9 1 e reaction increased from 25 0 C to 31 5 C If the specific heat of water is 1 00 cal g C calculate the quantity of energy in calories involved in this eutralization reaction

g sample of NH4NO3 is heated in bomb calorimeter The temperature of the AT calorimeter increases by 6 32 K the heat capacity of the system is 1 23 kJ g deg The molar heat of decomposition for NH4NO3 is 1 16 1 kJ mol 3621 89 kJmol 2 7 53 kJmol 4 498 1 kJ mol

Out of the following properties how many are extensive properties 1 Resistance 2 E M F 3 lonic Mobility 4 Dipole Moment 5 Heat Capacity 6 Specific Heat 7 Densit 8 Specific volume A reversible reaction is carried out at 500k where its equilibrium constant in unity If AH at 500K is 4 K I The

sir how pressure in intensive property if i have 1 mole of of gas in a container then pressure be P if i leave 1 2 moles now wont the pressure become P 2 at cons volume and temperature as per PV nT

Q Given the following entropy values in JK mol at 298 K and 1 atm H g 130 6 Cl g 223 0 HCl g 186 7 The entropy change in JK mol for the reaction H g Cl g 2HCl g is CBSE AIPMT 1996 a 540 3 b 727 0 c 166 9 d 19 8

Obtain the parameters of the Lennard Jones potential from the second virial coefficient of carbon dioxide assuming that the van der Waals EOS is applicable jo U r k T 1 r dr b 3 B 2 NA 2 Explain this B integration and how to get this final coefficient 03

e cyclic process for an ideal gas is shown below Here P V and T are pressure volume and temperature respectively The thermodynamic parameters q w H and U are heat work enthalpy and internal energy respectively JEE 2018 The correct option s is are Volume V A 9AC C AHCA AUCA and ar A P V T 19 AUBC and WAB P V V and Ac 9AC AUBC B P V T C 58001 bar C P V T Temperature T D 1450 bar B WBC P V V and BC AHAC D ABC AHAC and AHCA AUCA

Consider the following reaction 2 H S g 3 O2 g 2 H O g 2 SO2 g and the following table of standard enthalpies of formation and standard absolute entropies compound AHO kJ mol 1 S J K 1 mol H S g O2 g H O g SO g 20 6 0 241 8 296 8 205 8 205 2 188 8 248 2 Part A Calculte the standard enthalpy change ArH for the reaction O518 0 kJ mol 1 O 1036 0 kJ mol 1 O 518 0 kJ mol 1 O 1036 0 kJ mol 1 Submit Request Answer Part B Calculte the standard entropy change A S for the reaction O 26 0 J K 1 mol 1 O26 0 J K 1 mol 1 O 153 2 J K 1 mol 1 O 153 2 J K 1 mol 1

8 The rate of reaction decreased by 3 555 times when the temperature was changed from 40 C to 30 C The activation energy in kJ mol of the reaction is Take R 8 314 J mol K and In 3 555 1 268 JEE Main 2020