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Olegator [25]
3 years ago
12

Sound waves travel fastest through ______________ . A. water B. a vacuum C. iron D. air

Chemistry
1 answer:
FromTheMoon [43]3 years ago
8 0
Water. Sound travels<span> four times </span>faster<span> in water than it does in air.</span>
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Describe how to determine the rate law for an<br> overall reaction that involves multiple steps.
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Answer:

The sum of each elementary step in a reaction mechanism must yield the overall reaction equation. From the rate law of the rate-determining step it  must agree with the experimentally determined rate law. The rate-determining step is the slowest step in a reaction mechanism. Because it is the slowest, it determines the rate of the overall reaction.

Explanation:

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3 years ago
when hydrogen atom absorbs a photon, and an electron moves level 1 to level 2, what happens to the energy of the atom?
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4 0
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Travka [436]

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6 0
3 years ago
How was the Periodic Table of Elements developed and how are the elements arranged on it?
saw5 [17]

Answer:

Following are the solution to this question:

Explanation:

Mendeleev has been the chemist that designed a periodic table for component identification based on the increasing number of elements. Thus, the is traditionally called a table parent and this periodic table had some drawbacks.

Consequently, Mosley rebuilt Mendeleev's periodic table to once again overcome this disadvantage. Which atoms were arranged as per the increasing order of atomic number instead of mass number. The traditional table, therefore, comprises seven horizontal lines regarded as cycles. But 18 control limits were named group lines.

The whole Periodical Tables is classified as a,p,d, and f block

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D block, group has 3 to 12

F block, – Two lines far below the periodic table.

5 0
3 years ago
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