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Q. Determine the heat transfer?
Ans. Let's say a blacksmith tosses a hot horse shoe into a bucket of water. The horseshoe will get cooler while the water gets hotter. Ideally, the amount of heat gained by the water is equal to the amount of heat lost by the horseshoe. Of course some of the heat will be lost to the atmosphere but we can usually ignore this as long as the items in question are reasonably well insulated.
A little note about insulation:
When doing experiments with heat transfer and energy exchange, it is important to isolate the experiment from the atmosphere. Otherwise the energy might be exchanged with the atmosphere giving incorrect results. We can use a special instrument called a calorimeter to insulate our experiment and make careful measurements.
Give example of Allotropy The element carbon has two common allotropes: diamond, where the carbon atoms are bonded together in a tetrahedral lattice arrangement, and graphite
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The electronic configuration of four elements L,Q, P, and R are given in brackets: L ( 1s 2 , 2s 2 , 2p 4 ) Q (1s 2 , 2s 2 , 2p 6 , 3s 2 ,3p 5 ) P ( 1s 2 , 2s 2 2p
Q. Describe the Half -Life property of radioactive decay? Ans. The decay of a nucleus is a random event. It is impossible to predict which nucleus will decay and when.
what is tyndall effecet? can you give an example
Dear sir, We need your consultancy in a technical problem that we are confronting, and we would really appreciate your help We are in the process of implementing the heavy metal an
Discuss effect of impurity, temperature and alloying on the electricity conductivity of metal. For an ideal crystal with no impurities and imperfections mean free path at 0 K i
Which of the following is ideal for Oxidation of propene to propan-1-ol a)Alkaline KMnO 4 b)B 2 H 6 /Alkaline KMnO 4 c)O 3 /Zn dust d)CrO 3 Ans) B 2 H 6 /Alkaline KMno4 is th
What are laws of crystallography? How does it help in study of crystal structure
Beckmann rearrangement Ketoxime while treated with acid at 0° C it goes through rearrangement termed as Beckmann rearrangement. So, acid catalysed conversion of ketoximes t
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