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3 years ago

What is the angle between the carbon-sulfur bond and the carbon-nitrogen bond in the thiocyanate ( SCN− ) ion?

Chemistry

2 answers:

BlackZzzverrR [31]3 years ago

8 0

Answer:

Angle between the carbon-sulfur bond and the carbon-nitrogen bond in the thiocyanate ion $SCN^-$ is 180°.

Explanation:

The hybridization of carbon atom is sp hybridized. The shape of the <em>sp </em>hybridized carbon is linear which means that angle between sulfur carbon a bond and carbon nitrogen bond is 180 °.

Where as $sp^3$ hybridized carbon has tetrahedral shape with an angle of 109.5°.

Where as $sp^2$ hybridized carbon has trigonal planar with an angle of 120°.

KIM [24]3 years ago

4 0

I’m not completely sure

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For the reaction shown, calculate how many grams of oxygen form when each quantity of reactant completely reacts.

Nikolay [14]

Explanation:

Molar mass of $KClO_{3}$ = 39.1 + 35.5 + 3(16.0) = 122.6 g

Molar mass of KCl = 39.1 + 35.5 = 74.6 g

Molar mass of $O_{2}$ = 32.0 g

According to the equation, 2 moles of $KClO_{3}$ reacts to give 3 moles of oxygen.

Therefore, 2 (122.6) = 245.2 g of $KClO_{3}$ will give 3 (32.0) = 96.0 g of oxygen. Thus, 245.2 g of $KClO_{3}$ gives 96.0 g of oxygen.

(a) Calculate the amount of oxygen given by 2.72 g of $KClO_{3}$ as follows.

$\frac {96g}{245.2g} \times 2.72 g = 1.06 g$ of $O_{2}$

(b) Calculate the amount of oxygen given by 0.361 g of $KClO_{3}$ as follows.

$\frac {96g}{245.2g} \times 0.361 g = 0.141 g$ of $O_{2}$

c) Calculate the amount of oxygen given by 83.6 kg $KClO_{3}$ as follows.

$\frac {96g}{245.2g} \times 83.6 g = 32.731 kg$ of $O_{2}$

Convert kg into grams as follows.

$\frac{32.731 kg}{1 kg} \times 1000 g$ = 32731 g of $O_{2}$

(d) Calculate the amount of oxygen given by 22.5 mg of $KClO_{3}$ as follows.

$\frac {96g}{245.2g} \times 22.5 mg = 8.79 mg$

Convert mg into grams as follows.

$\frac{8.79 mg}{1 mg}\times 10^{-3} g = 8.79 \times 10^{-3} g$ of $O_{2}$

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3 years ago

Calculate the mass of 3 moles of clorine

Vitek1552 [10]

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moles Chlorine to grams = 70.906 grams.
moles Chlorine to grams = 106.359 grams.
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moles Chlorine to grams = 177.265 grams.
moles Chlorine to grams = 212.718 grams.

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Katarina [22]

False is the correct answer

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malfutka [58]

It doesn't because pepper does not dissolve

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