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quester [9]
3 years ago
13

What does the empirical formula of a compound represent?

Chemistry
1 answer:
Zina [86]3 years ago
4 0
The empirical formula represents the compound's formula with the lowest possible mole ratios between the elements.
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If we read the reaction as X + Y → Z + Q it is<br> A. endothermic<br> B. exothermic
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As you can see in the picture we have +ΔH so that means for this reaction we need to GET heat. so the answer is A. endothermic :))
i hope this is helpful
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3 years ago
Read 2 more answers
Give two uses of compound under each of the following, in medicine and in industry​
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Explanation:

#Medicine

Compounds used as medicines are most often organic compounds, which are often divided into the broad classes of small organic molecules (e.g., atorvastatin, fluticasone, clopidogrel) and "biologics" (infliximab, erythropoietin, insulin glargine),

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7 0
3 years ago
Which number represents an acidic pH, 4 or 9? _______ Numerical Answers Expected! Answer for Blank 1:
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Answer:

4

Explanation:

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8 0
3 years ago
For the following problems, identify the substance as either an element, a compound, or a mixture. Write E for Element, C for co
andre [41]

Answer:

Explanation:

34. E

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37. M

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3 0
3 years ago
In the periodic table hydrogen is placed in Group 1A (group 1) and helium is placed in Group 8A (group 18). The most likely reas
Alexus [3.1K]

Answer:

This question appears incomplete

Explanation:

This question appears incomplete because of the absence of options. However, hydrogen is placed in group 1 because it has just one electron in it's outermost shell (which happens to be the only shell it has) just like every other group 1A/group 1 element. While helium is placed in group 8A/group 18 because it has a completely filled outermost shell (which is also the only shell it has) just like every other element in group 8A/group 18.

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