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erastovalidia [21]
3 years ago
10

the trend for ionization energy is a general increase from left to right across a period. However phosphorus is found to have hi

gher first ionization energy value than sulfur. Explain this exception to the general trend in terms of electron arrangements and attraction/repulsion
Chemistry
1 answer:
dimaraw [331]3 years ago
4 0
Since phosphorus is in the 5th group it has the ability to gain or lose electrons
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1. For the reaction 3A — C, the initial concentration of A was 0.2 M, and the reaction rate was
Andrew [12]

Answer:

r=25M^{-1}s^{-1}[A]^2

Explanation:

Hello there!

In this case, according to the given information for this chemical reaction, it is possible for us to set up the following general rate law and the ratio of the initial and the final (doubled concentration) condition:

r=k[A]^n\\\\\frac{r_1}{r_2} =\frac{k[A]_1^n}{k[A]_2^n}

Next, we plug in the given concentrations of A, 0.2M and 0.4 M, the rates, 1.0 M/s and 4.0 M/s and cancel out the rate constants as they are the same, in order to obtain the following:

\frac{1.0}{4.0} =\frac{0.2^n}{0.4^n}\\\\0.25=0.5^n\\\\n=\frac{ln(0.25)}{ln(0.5)} \\\\n=2

Which means this reaction is second-order with respect to A. Finally, we calculate the rate constant by using n, [A] and r, to obtain:

k=\frac{r}{[A]^n} =\frac{1.0M/s}{(0.2M)^2}\\\\k=25M^{-1}s^{-1}

Thus, the rate law turns out to be:

r=25M^{-1}s^{-1}[A]^2

Regards!

3 0
3 years ago
Tin reacts with fluorine to form two different compounds, A and B. Compound A contains 38.5 g of tin for each 12.3 g of fluorine
Hatshy [7]
Tin to Fluorine mass ratios:
1) For compound A:
38.5/12.3
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2) For compound B:
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5 0
3 years ago
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maxonik [38]

Answer:

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hope this helps

6 0
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Sladkaya [172]
The correct answer is this one: "The amount of energy before and after the explosion depends on the type of reaction." The energy involved in an explosion is that t<span>he amount of energy before and after the explosion depends on the type of reaction, how strong and how weak; how destructive or less destructive.</span>
6 0
4 years ago
Wat energy transformation occurs as the chicken cooks ?
ICE Princess25 [194]
Hello,

The answer should be "thermal energy".

Reason:

The answer is thermal energy because the heat from whatever source the person is energy is transferring heat to the chicken which is causing the chicken to cook therefore the answer is thermal (heat) energy.

If you need anymore help feel free to ask me!

Hope this helps!

~Nonportrit 
8 0
4 years ago
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