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melomori [17]
3 years ago
10

HELP PLEASE!!!!!!!!!!!!!!!

Chemistry
1 answer:
egoroff_w [7]3 years ago
3 0
An atom can be neutral when there a same amount of protons and electrons
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The lowest layer of Earths atmosphere is the__
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Match each term below with its definition or description.
zubka84 [21]

Answer:

1. Equivalence point

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3. Primary standard

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5. Back titration

6. Standard solution

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8. Indirect titration

9. End point

10. Indicator

Explanation:

1. The equivalence point is the tiration point at which the quantity or moles  of the added titrant is sufficient or equal to the quantity or moles of the analyte for the neutralization of the solution of the analyte.

2. Direct titration is a method of quantitatively determining the contents of a substance

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4. A titrand is the substance of unknown concentration which is to be determined

5. The titration method that uses a given amount of an excess reagent to determine the concentration of an analyte is known as back titration

6. A standard solution is a solution of accurately known concentration

7. A titrant is a solution that has a known concentration and which is titrated unto another solution to determine the concentration of the second solution

8. Indirect titration is the process of performing a titration in athe reverse order

9. The end point is the point at which the indicator indicates that the equivalent quantities of the reagents required for a complete reaction has been added

10 An indicator is a compound used to visually determine the pH of a solution.

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Which sample of water contains particles having the highest average kinetic energy?
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