Home
Class 11
CHEMISTRY
Determine which of the following reactio...

Determine which of the following reactions taking place at constant pressure represents system that do work on the surrounding environment
`Ag^(+)(aq)+Cl^(-)(aq)rarrAgCl(s)" " (II) NH_(4)Cl(s)rarrNH_(3)(g)+HCl(g) " " (III) 2NH_(3)(g)rarrN_(2)(g)+3H_(2)(g)`

A

I

B

III

C

II and III

D

I and II

Text Solution

Verified by Experts

The correct Answer is:
C
`W=-Deltan_(g)RT=-ve`
`"II. " Deltan_(g)=2, " III. " Deltan_(g)=2`
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    NARENDRA AWASTHI|Exercise Level 1 (Q.1 To Q.30)|6 Videos

  • THERMODYNAMICS

    NARENDRA AWASTHI|Exercise Level 1 (Q.31 To Q.60)|2 Videos

  • STOICHIOMETRY

    NARENDRA AWASTHI|Exercise Level 3 - Subjective Problems|20 Videos

Similar Questions

Explore conceptually related problems

Determine which of the following reaction at constant pressure represent systems that do work on the surrounding environment (I) CaO (s) + CO_(2) (g) rarr CaCO_(3) (s) (II) NH_(4)Cl (s) rarr NH_(3) (g) + HCl (g) (III) 2NH_(3) (g) rarr N_(2) (g) + 3H_(2) (g)

Predict which of the following reaction (s) has a positive entropy change? I . Ag^(+)(aq)+Cl^(-)(aq)rarrAgCl(s) II . NH_(4)Cl(s)rarrNH_(3)(g)+HCl(g) III . 2NH_(3)(g)rarrN_(2)+3H_(2)(g)

Determine which of the following reactions at constant pressure represent surrounding that do work on the system environment : (P) 4NH_(3)(g) + 7O_(2)(g) to 4 NO_(2)+ 6H_(2)O(g) (Q) CO.O(g)+ 2H_(2)(g) to CH_(3)OH(l) (R) C("s,graphite")+H_(2)O(g) to CO(g)+H_(2)(g) (S) H_(2)O(s) to H_(2)O(l)

Determine which of the following reactions at constant pressure represents surroundings that do work on the system: I. 4NH_(3)(g)+7O_(2)(g)rarr4NO_(2)(g)+6H_(2)O(g) II. CO(g)+2H_(2)(g)rarrCH_(3)OH(l) III. C(s,"graphite")+H_(2)O(g)rarrCO(g)+H_(2)(g) IV. H_(2)OrarrH_(2)O(l)

Predict which of the following reaction(s) has a positive entropy change? I" " Ag^(+) (aq) + CI^(-) (aq) rarr AgCI (s) I" "NH_(4)CI (s) rarr NH_(3)(g) + HCI (g) III" " 2NH_(3)(g) rarr N_(2)(g)+ 3H_(2)(g) IV " "2NH_(3) rarr N_(2)(g) + 3H_(2)(g)

In which of the following changes at constant pressure is work done by system on surrounding? By the surrounding on system ? {:("Initial state",,"Final state"),("(i) "H_(2)O(g),to,H_(2)O(l)),("(ii) "H_(2)O(s),to,H_(2)O(g)),("(iii) "H_(2)O(l),to,H_(2)O(s)),("(iv) "3H_(2)(g)+N_(2)(g),to,2NH_(3)(g)),("(v) "CaCO_(3)(s),to,CaO(s)+CO_(2)(g)):}

In which of the following reactions, the system will shift towards the forward reaction by adding inert gas at constant pressure ? (a) PCl_(5)(g)hArr PCl_(3)(g)+Cl_(2)(g) (b) N_(2)(g)+3H_(2)(g)hArr 2NH_(3)(g) (c ) COCl_(2)(g)hArr CO(g)+Cl_(2)(g) (d) CO(g)+2H_(2)(g) hArr CH_(3)OH(g)