What is the solar process that results in the production of energy? A. nuclear fission B. nuclear fusion C. convection D. radiat
2 answers:
Answer:
B. Nuclear fusion
Explanation:
- Nuclear fusion is the process in which small nuclei (such as hydrogen) fuse together into heavier nuclei (for example, helium). In such process, the final mass of the product is less than the sum of the masses of the initial nuclei, therefore the mass which 'disappeared' has been converted into energy, according to Einstein's equation:
where
is the difference of mass between products and reactants
c is the speed of light
Because c is a very large value (), the amount of energy released during nuclear fusion is very huge, even for very small masses. This is the process that occurs inside the core of a star, and because of that, stars are able to produce very huge amounts of energy.
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Answer:
Explanation:
The quantity of heat required to raise the temperature of a substance by one degree Celsius is called the specific heat capacity.
Q = Heat absorbed= 16.7 kJ = 16700 J (1kJ=1000J)
m= mass of benzene = 225 g
c = specific heat capacity = 1.74 J/gK
Initial temperature of the water = = 20.0°C = 293 k
Final temperature of the water = = ?
Change in temperature ,
Putting in the values, we get:
The final temperature will be