Home
Class 11
CHEMISTRY
1/2N(2) + 3/2H(2) to NH(3), Delta(r)H^(...

`1/2N_(2) + 3/2H_(2) to NH_(3), Delta_(r)H^(@) = -45.2 kJ`
`Delta_(r)H^(@)` is the heat of ...........of ammonia.

Text Solution

AI Generated Solution

To determine what \( \Delta_rH^\circ \) represents in the given reaction, we can analyze the information provided step by step. ### Step-by-Step Solution: 1. **Identify the Reaction**: The reaction given is: \[ \frac{1}{2} N_2 + \frac{3}{2} H_2 \rightarrow NH_3 ...
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    MODERN PUBLICATION|Exercise Revision Exercise (Short Answer Questions)|62 Videos

  • THERMODYNAMICS

    MODERN PUBLICATION|Exercise Revision Exercise (Long Answer Questions)|11 Videos

  • THERMODYNAMICS

    MODERN PUBLICATION|Exercise Revision Exercise (Very short answer questions)|36 Videos

  • STRUCTURE OF ATOM

    MODERN PUBLICATION|Exercise Unit Practice Test|13 Videos

Similar Questions

Explore conceptually related problems

C_(2)H_(6) + 7/2 O_(2) to 2CO_(2) + 3H_(2)O, Delta_(r)H^(@) = -1560 kJ Delta_(r)H^(@) is the heat of ....... of ethane

(b) H_(2)O(l) to H_(2)O(s), Delta_(r)H^(@) = -6.01 kJ DeltaH is the heat of ........of water.

Given: N_(2)(g) + 3H_(2)(g) to 2NH_(3)(g), Delta_(r)H^(@) = -924 kJ "mol"^(-1) . What is the standard enthalpy of formation of NH_(3) gas?

N_(2)(g) + 3H_(2)(g) to 2NH_(3)(g) Delta_(r)H^(@) = -92.4 kJ What is the standard enthalpy of formation of NH_(3) ?

Calculate the enthalpy of formation of KOH(s) from the following data : K(s) + H_(2)O(l) + (aq) to KOH(aq) + 1/2 H_(2)(g) Delta_(r)H^(@) = -200.8 kJ H_(2)(g) + 1/2 O_(2)(g) to H_(2)O(l) Delta_(r)H^(@) = - 286.3 kJ KOH(s) + (aq) to KOH(aq) Delta_(r)H^(@) = - 58.6 kJ

Calculate the enthalpy of formation of anhydrous aluminium chloride, Al_(2)Cl_(6) from the following data : (i) 2Al(s) + 6HCl (aq) to Al_(2)Cl_(6) (aq) + 3H_(2)(g), Delta_(r)H^(@) = -1004.0 kJ (ii) H_(2)(g) + Cl_(2)(aq) to 2HCl(g) , Delta_(r)H^(@) = -183.9 kJ , Delta_(r)H^(@) = -183.9 kJ (iii) HCl(g) + aq to HCl(aq), Delta_(r)H^(@) = -73.2 kJ Al_(2)Cl_(6)(s) + aq to Al_(2) Cl_(2)(aq) , Delta_(r)H^(@) = -643.0 kJ