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Volgvan
3 years ago
9

Select the following group of elements that contains elements with similar chemical properties

Chemistry
1 answer:
EleoNora [17]3 years ago
3 0
Li, Mg, Ga. following group of elements
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Waste water from nuclear power plants is generally:
dedylja [7]

Answer:

Nuclear energy produces radioactive waste

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2 years ago
Which of the following item(s) explain the differences between the Ka values. Choose one or more: A. The oxidation state for oxy
Allisa [31]

Answer:

<em>C. The electron-withdrawing fluorine atoms pull electron density from the oxygen in trifluoroacetate. The negative charge is more stabilized in trifluoroacetate by this effect.</em>

<em></em>

Explanation:

<em>The structures of trifluoroacetate and acetic acid are both shown in the image attached.</em>

<em>The trifluoroacetate anion (CF3CO2-), just like the acetate anion has in the middle, two oxygen atoms.</em>

<em>However, in the trifluoroacetate anion, there are also three electronegative fluorine atoms attached to the nearby carbon atom attached to the carbonyl, and these pull some electron density through the sigma bonding network away from the oxygen atoms, thereby spreading out the negative charge further. This effect, called the "inductive effect" stabilizes the anion formed,the trifouoroacetate anion is thus more stabilized than the acetate anion.</em>

<em>Hence, trifluoroacetic acid is a stronger acid than acetic acid, having a pKa of -0.18.</em>

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<u><em>Hope this helps!</em></u>

<u><em>Please mark brainliest!</em></u>

3 0
3 years ago
At STP, how many liters of oxygen are required to react completely with 3.6 liters of hydrogen to form water?
Delvig [45]
Should be 1.8L.
2 moles of hydrogen react with 1 mole of oxygen. If 2 moles of hydrogen is 3.6L, 1 mole of oxygen should be 1.8L.
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Explanation:

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type of environmental factors such as temperature or amount of light that might affect an organism's phenotype is___________​
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