The total amount of energy in the universe is fixed, but [AMU (Engg.)

1.	The total amount of energy in the universe is fixed, but [AMU (Engg.) 1999]
A.	Disorder is increasing
B.	Lightning is increasing
C.	Matter is increasing
D.	Gravitation is decreasing
Answer» B. Lightning is increasing

Discussion

No Comment Found

Related MCQs

In an isobaric process, the ratio of heat supplied to the system \[(dQ)\] and work done by the system \[(dW)\] for diatomic gas is [AFMC 2002]
To calculate the amount of work done in joules during reversible isothermal expansion of an ideal gas, the volume must be expressed in [KCET (Med.) 2001]
For the reaction \[{{H}_{2}}(g)+\frac{1}{2}{{O}_{2}}(g)\,\,\to \,\,{{H}_{2}}O(l),\,\Delta H=-285.8\,\,kJ\,\,mo{{l}^{-1}}\]\[\Delta S=-0.163\,kJ\,mo{{l}^{-1}}{{K}^{-1}}.\] What is the value of free energy change at \[{{27}^{o}}C\] for the reaction? [KCET 1999]
Following reaction occurring in an automobile \[2{{C}_{8}}{{H}_{18}}(g)+25{{O}_{2}}(g)\to 16C{{O}_{2}}(g)+18{{H}_{2}}O(g).\] The sign of \[\Delta H,\,\Delta S\] and \[\Delta G\] would be [CBSE PMT 1994; KCET 1999]
The heat content of a system is called
When \[50c{{m}^{3}}\] of \[0.2\,N\,{{H}_{2}}S{{O}_{4}}\] is mixed with \[50c{{m}^{3}}\] of \[1\,N\,KOH\], the heat liberated is [KCET 2004]
The \[{{H}_{2}}O(g)\] molecule dissociates as (i) \[{{H}_{2}}O(g)\to H(g)+OH(g);\,\Delta H=490\,kJ\] (ii) \[OH(g)\to H(g)+O(g);\,\Delta H=424\,kJ\] The average bond energy (in kJ) for water is
The equation \[\frac{1}{2}{{H}_{2}}+\frac{1}{2}C{{l}_{2}}\to HCl\] (\[\Delta {{H}_{298}}=-22060\,kcal\]) means [CMC Vellore 1991]
If at 298 K the bond energies of \[C-H,\,C-C,\] \[C=C\] and \[H-H\] bonds are respectively 414, 347, 615 and 435 kJ \[mo{{l}^{-1}}\], the value of enthalpy change for the reaction \[{{H}_{2}}C=C{{H}_{2}}(g)+{{H}_{2}}(g)\to {{H}_{3}}C-C{{H}_{3}}(g)\] at 298 K will be [AIEEE 2003]
Which of the following is not a correct statement? [AMU (Engg.) 2002]

The total amount of energy in the universe is fixed, but [AMU (Engg.) 1999]

Discussion

No Comment Found

Related MCQs

Reply to Comment