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lukranit [14]
3 years ago
7

In a spontaneous reaction -

Chemistry
1 answer:
Andreyy893 years ago
3 0
A) because spontaneous means in an instant
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1. Objective

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3 years ago
A decrease in the magnitude of velocity is called
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<span>The answer is deceleration. Acceleration is the general term to refer to the change in velocity. Acceleration = change in velocity / change in time. When you want to highlight the fact that the change in velocity is a decrease in the magnitude, you can use the term deceleration, which means that the acceleration is negative.</span>
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ratelena [41]
For #3 the answer is B, for #4 the answer is F, and for #5 the answer is B.
5 0
2 years ago
Why was Niels Bohr’s atomic model superior to all the earlier models?
Elena L [17]

Answer the correct option will be option B.

Explanation: this is how he showed the electron could orbit the nucleus without falling into it. This is so because he explained that the electron  revolves around the nucleus  in a fixed circular orbit with fixed energy and cannot occupy just any energy level which is defined as quantisation of energy.

option A is one of postulates given by Dalton in his Dalton's atomic theory which later proved to be wrong.

option C  it is one of the postulates given by the in J.J Thomson in his model of  an atom which was the first atomic model.

option D Schrodinger has used the wave nature to explain the position of electrons around the nucleus.


5 0
3 years ago
What is the outcome of all chemical changes when two substances are combined?
hodyreva [135]

Answer:

Producing a new substance

Explanation:

A change in matter that produces a new substance.

6 0
3 years ago
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