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CBSE Class 11-science Answered

1.Which has higher value of entropy at 400 k N2 or NH3?  2.In the reaction Nah+H20 =naoh +h2.nah has been  Oxidized ,reduced ,nothing 
Asked by thakuraaishaashraf | 25 Nov, 2020, 01:32: PM
answered-by-expert Expert Answer
1. N2 will have higher entropy than NH3 at same tempertature becausee intermolecular interactions in NH3 is higher than N2 .( due to H-bonding)
2.
 
2. N a H space space space space plus space space space H subscript 2 O rightwards arrow space N a O H space space space space space space space space plus space space space space space space space space H subscript 2 x plus 1 equals 0 space space space space space space space space space space space space space space space space space x minus 2 plus 1 equals 0 space space space space space space space space x equals negative 1 space space space space space space space space space space space space space space space space space space space x equals plus 1 F r o m space N a H space t o space N a O H space left parenthesis O x i d a t i o n space n u m b e r space i s space i n c r e a s e d right parenthesis s o comma N a H space i s space o x i d i s e d. F r o m space H subscript 2 O space t o space H subscript 2 space left parenthesis o x y g e n space i s space r e l e a s e d right parenthesis S o comma space H subscript 2 O space i s space r e d u c e d.
Answered by Ravi | 28 Nov, 2020, 07:13: PM

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CBSE 11-science - Chemistry
the total entropy change for system it's sourunding increase if process is
Asked by mankdubey670 | 06 Jun, 2022, 01:27: PM
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CBSE 11-science - Chemistry
write a relation between delta G and Q and define the meaning of each term and answer the following a) why a reaction proceeds forward when Q< K and no net reaction occurs when Q = K b) explain the effect of increase in pressure in terms of reaction quotient Q for the reaction CO ⇆ CH4(g) + H2O(g) (ii) for the reaction, N2(g) +3H2(g)⇆ 2NH(g) at 400K , Kp = 41, find the value Kp for the reaction 2N2(g) +6H2(g) ⇆ 4NH3(g)
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CBSE 11-science - Chemistry
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CBSE 11-science - Chemistry
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CBSE 11-science - Chemistry
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CBSE 11-science - Chemistry
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CBSE 11-science - Chemistry
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CBSE 11-science - Chemistry
For a water gas reaction at 1000°C the standard Gibb’s energy change is -8.1 kJ mol-1. Calculate the value of equilibrium constant?
Asked by Topperlearning User | 15 Jun, 2016, 05:46: PM
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CBSE 11-science - Chemistry
Calculate the standard Gibbs energy change for the following reaction: Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '. Given that Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '. for Cu2+(aq) and Zn2+(aq) as 65 kJ mol-1 and -147.2 kJ mol-1 respectively.
Asked by Topperlearning User | 23 Sep, 2014, 03:28: PM
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CBSE 11-science - Chemistry
For the reaction: Syntax error from line 1 column 49 to line 1 column 73. Unexpected '<mstyle '. Calculate the temperature at which Gibbs energy change ΔG is equal to zero. Predict the nature of the reaction at this temperature and above it.
Asked by Topperlearning User | 23 Sep, 2014, 03:39: PM
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