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3 years ago

What is the oxidation state of an individual sulfur atom in so42−?

Chemistry

1 answer:

hichkok12 [17]3 years ago

4 0

The oxidation state of single oxygen atom is -2 since it is more electronegative and like to gain electrons.

The sum of the oxidation states of each atom = charge of compound

Let’s say the oxidation state of Sulfur is x.

Hence,

x +4 * (-2) = -2

x – 8 = -2

x = +6

The oxidation state of individual Sulfur atom is +6

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A 32.5 g iron rod, initially at 22.4 ∘C, is submerged into an unknown mass of water at 63.0 ∘C, in an insulated container. The f

a_sh-v [17]

Answer:

$m_{H_2O}=39.0g$

Explanation:

Hello,

In this case, is possible to infer that the thermal equilibrium is governed by the following relationship:

$\Delta H_{iron}=-\Delta H_{H_2O}\\m_{iron}Cp_{iron}(T_{eq}-T_{iron})=-m_{H_2O}Cp_{H_2O}(T_{eq}-T_{H_2O})$

Thus, both iron's and water's heat capacities are: 0.444 and 4.18 J/g°C respectively, so one solves for the mass of water as shown below:

$m_{H_2O}=\frac{m_{iron}Cp_{iron}(T_{eq}-T_{iron})}{-Cp_{H_2O}(T_{eq}-T_{H_2O}} \\\\m_{H_2O}=\frac{32.5g*0.444\frac{J}{g^0C}*(59.7-22.4)^0C}{-4.18\frac{J}{g^0C}*(59.7-63.0)^0C} \\\\m_{H_2O}=39.0g$

Best regards.

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3 years ago

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rjkz [21]

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Which of the following will allow measurement of a liquids volume with the greatest precision ?

Evgesh-ka [11]

I personally think that it’s C.
(i’m sorry if it’s wrong)

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What is the current scientific thinking about formation of the solar system?

Serjik [45]

It is believed that the entire solar system was born from an early nebula.

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What is the pH if the [H+] is 10.25x10-7M?

Marysya12 [62]

Answer:

5.99

Explanation:

-log(10.25x10^-7)

- Hope this helps! Please let me know if you need further explanation.

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