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balandron [24]
2 years ago
8

What is the angle between the phosphorus-fluorine bonds? (if there is more than one angle, pick the smallest.)

Chemistry
1 answer:
lorasvet [3.4K]2 years ago
5 0

Between equatorial positions, the F-P-F angle is 120°, and between axial and equatorial positions, it is 90°.

<h3>What in chemical bonding is equatorial position?</h3>

Equatorial Organic Chemistry Illustrated Glossary. Equatorial: In cyclohexane, a bond that runs parallel to the ring's axis (i.e., it follows the chair's equator), or a group joined by such a bond. Positions A are axial, and positions E are equatorial.

<h3>Why do equatorial positions have greater stability?</h3>

As was said in the preceding section, the equilibrium favors the more stable conformer because the chair conformation, in which the methyl group is equatorial, lowers steric repulsion. All monosubstituted cyclohexanes share this property.

To know more about equatorial positions visit:

brainly.com/question/24168112

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How much energy is released by the decay of 3 grams of 20Th in the following reaction 230 Th - 226Ra + 'He (230 Th = 229.9837 g/
wolverine [178]

Answer : The energy released by the decay of 3 grams of 'Th' is 2.728\times 10^{-15}J

Explanation :

First we have to calculate the mass defect (\Delta m).

The balanced reaction is,

^{230}Th\rightarrow ^{226}Ra+^{4}He

Mass defect = Sum of mass of product - sum of mass of reactants

\Delta m=(\text{Mass of Ra}+\text{Mass of He})-(\text{Mass of Th})

\Delta m=(225.9771+4.008)-(229.9837)=1.4\times 10^{-3}amu=2.324\times 10^{-30}kg

conversion used : (1amu=1.66\times 10^{-27}kg)

Now we have to calculate the energy released.

Energy=\Delta m\times (c)^2

Energy=(2.324\times 10^{-30}kg)\times (3\times 10^8m/s)^2

Energy=2.0916\times 10^{-13}J

The energy released is 2.0916\times 10^{-13}J

Now we have to calculate the energy released by the decay of 3 grams of 'Th'.

As, 230 grams of Th release energy = 2.0916\times 10^{-13}J

So, 3 grams of Th release energy = \frac{3}{230}\times 2.0916\times 10^{-13}J=2.728\times 10^{-15}J

Therefore, the energy released by the decay of 3 grams of 'Th' is 2.728\times 10^{-15}J

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According to collision theory, which condition(s must be met in order for molecules to react?
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Frank pulls down on a garage door with a force of 80 N. If the door weighs 210 N, what is the net downward force on the door?
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Answer:

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Explanation:

Total downward force = Force applied on the door in bringing it down + weight of the door

Total downward force = 80 + 210

Total downward force = 290N

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Explanation:

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