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babymother [125]
3 years ago
6

Using the correct number of significant figures 52.733 multiplied by 48.21

Chemistry
1 answer:
Romashka-Z-Leto [24]3 years ago
4 0

Answer:

2542

Rule for multiplying Significant Figures:

  • The product is limited to the number of sig figs equal to the least number of sig figs in the problem

Explanation:

52.733 has 5 significant figures and 48.21 has 4 significant figures. Therefore, the answer given must have 4 significant figures.

52.733(48.21) = 2542.25793

This answer round to have 4 significant figures is 2542.

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Answer:

New experimental methods

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Explanation:

A scientific theory is usually not based on speculation. Scientific theories must have a solid empirical basis.

However, experimental methods are limited to the caliber of equipments available at the time in which a theory is formulated. With advancing years, more technological sophistication leads to the invention of new instruments and ultimately, the development of new experimental methods.

These innovations are likely to alter existing scientific theories as new evidences emerge, hence the answer.

5 0
3 years ago
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Suppose that X represents an arbitrary cation and that Y represents an anionic species. Using the charges indicated in the super
dmitriy555 [2]

Answer:

See explanation.

Explanation:

Hello!

In this case, when having the cationic and anionic species with the specified charges, in order to abide by the net charge rule, we need to exchange the charges in the form of subscripts and without the sign, just as shown below:X^{m+}Y^{n-}\rightarrow X_nY_m

Thus, for all the given combinations, we obtain:

- Y⁻

X^+Y^-\rightarrow XY\\\\X^{2+}Y^-\rightarrow XY_2\\\\X^{3+}Y^-\rightarrow XY_3

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X^+Y^{2-}\rightarrow X_2Y\\\\X^{2+}Y^{2-}\rightarrow X_2Y_2\rightarrow XY\\\\X^{3+}Y^{2-}\rightarrow X_2Y_3

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Best regards!

8 0
2 years ago
Apart from carbon dioxide what is the other product of family decomposition of calcium carbonate
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Answer:

<h3><em>Calcium carbonate is heated strongly until it undergoes thermal decomposition to form calcium oxide and carbon dioxide. The calcium oxide (unslaked lime) is dissolved in water to form calcium hydroxide (limewater). Bubbling carbon dioxide through this forms a milky suspension of calcium carbonate.</em></h3>

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8 0
3 years ago
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babymother [125]

Answer:

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Explanation:

Those quadrants contain the ovaries and I just got it correct on the assignment.

6 0
2 years ago
Why can pure metals conduct electricity?
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Answer:

they have delocolised electrons which can carry electrical charges through the metals.

Explanation:

4 0
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