Question

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Q. What is relativity of sets? Give examples. (no spam)​

Answer 1

Answer:

Relativity, wide-ranging physical theories formed by the German-born physicist Albert Einstein. With his theories of special relativity (1905) and general relativity (1915), Einstein overthrew many assumptions underlying earlier physical theories, redefining in the process the fundamental concepts of space, time, matter, energy, and gravity. Along with quantum mechanics, relativity is central to modern physics. In particular, relativity provides the basis for understanding cosmic processes and the geometry of the universe itself.

Step-by-step explanation:

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Answer 2

Answer:

heat of combustion is the amount of heat evolved when one mole of the substance is completely burnt in air or oxygen.

C

4

H

10

(g)+

2

13

O

2

(g)⟶4CO

2

(g)+5H

2

O(l);ΔH=−2878kJ

In the above reaction, 1 mole of butane undergoes combustion. Hence, ΔH is the heat of combustion of butane gas.

Step-by-step explanation:

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