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zvonat [6]
3 years ago
10

18) What is the following number representing: 10m/s West *

Chemistry
1 answer:
ddd [48]3 years ago
3 0

Speed

Explanation:

The distance travelled by a body per unit time

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Which of the following pairs of elements is most likely to share one or more pairs of electrons between their nuclei?
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How many grams are in 1 mole of Pb3(PO4)4?
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In 1 mol of Pb₃(PO₄)₄ occupies 1001.48 grams

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Law of conservation of momentum states that

For two or more bodies in an isolated system acting upon each other, their total momentum remains constant unless an external force is applied. Therefore, momentum can neither be created nor destroyed.

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When a substance undergoes a FIRST ORDER phase change, its temperature remains constant as long as the phase change remains incomplete. When ice at -10 degrees C is heated, its temperature rises until it reaches 0 degrees C. At that temperature, it starts melting and solid water is converted to liquid water. During this time, all the heat energy provided to the system is USED UP in the process of converting solid to the liquid. Only when all the solid is converted, is the heat used to raise the temperature of the liquid.

This is what results in the flat part of the freezing/melting of condensation/boiling curve. In this flat region, the heat capacity of the substance is infinite. This is the famous "divergence" of the heat capacity during a first order phase transition.

There are certain phase transitions where the heat capacity does not become infinitely large, such as the process of a non-magnetic substance becoming a magnetic substance (when cooled below the so-called Curie temperature).

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