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Vikki [24]
2 years ago
11

2 The change in the velocity of an object is defined as its​

Chemistry
2 answers:
kherson [118]2 years ago
4 0

Answer:

The rate of change of velocity of an object is defined as its <u>acceleration</u>

ollegr [7]2 years ago
3 0

Answer:

Acceleration is the rate of change in velocity

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What term is best described as the rate of a chemical reaction at any instant in time?
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instantaneous rate would be the term.

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How do scientists distinguish between an element and a compound? List two elements and two compounds.
Vsevolod [243]
The difference between an element and a compound is that an element is composed of only one kind of atom while a compound is composed of at least 2 kinds of atoms. The properties of an element and the compound the atoms has to form are different physically and chemically.Example of element are O and H, while compound examples are H2O and H2O2. 
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To be able to write correctly the equilibrium expression of a reaction, we need to know the balanced reaction and the phases of the substances in the reaction. When substances are solid, pure liquid they are not included in the expression. We do as follows:

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lutik1710 [3]

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