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Fofino [41]
3 years ago
9

Can somebody help me with this please

Chemistry
1 answer:
denpristay [2]3 years ago
3 0

Answer:

He, 2, 2, 2, 4, 4-2=2, 1, 8

I, 53, 53, 53, 127, 127-53= 74, 5, 7

Explanation:

um check the periodic table for the rest?

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What is chemical compounds?​
jolli1 [7]

Explanation:

Chemical compound, any substance composed of identical molecules consisting of atoms of two or more chemical elements. ... The fundamental principle of the science of chemistry is that the atoms of different elements can combine with one another to form chemical compounds.

8 0
3 years ago
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How many molecules of manganese (IV) sulfate are there if you are given 542.32g?
MAVERICK [17]

Answer:

3.47 mol MnSO4

Explanation:

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5 0
3 years ago
How many valence electrons does a fluorine atom contain?<br> a. 2<br> b. 5<br> c. 7<br> d. 9
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3 years ago
__________, a colligative property, is the difference between the freezing temperature of a pure solvent and the freezing point
PilotLPTM [1.2K]
<span>Freezing-point depression.</span>
8 0
3 years ago
1,4-Pentadiene has a AHhydro = -254 kJ/mol while trans-1,3-pentadiene has a AHhydra = -226 kJ/mol. Explain this difference in he
julsineya [31]

Answer:

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Explanation:

Here, \Delta H_{hydro}=H(hydrogenated pdt.)-H(diene)

H(hydrogenated pdt.) is same for both 1,4-pentadiene and 1,3-pentadiene as they both produce pentane after hydrogenation

H(diene) depends on stability of diene.

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Hence, \Delta H_{hydro} is higher (less negative) for trans-1,3-pentadiene

5 0
4 years ago
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