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marshall27 [118]
4 years ago
12

Which is a nonpolar molecule?

Chemistry
2 answers:
Colt1911 [192]4 years ago
7 0
The answer is C- sulfur hexachlorine (SF6)

<span>S<span>F6 is the only molecule here that is non-polar. That's due to having the</span></span><span> fluorine atoms arranged in a way that, in pairs, they lie opposite to each other. Also, these pairs are perpendicular to each other on  three different axis.</span>

Mrac [35]4 years ago
3 0
On plato it is e. NOT D AND C
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In the reaction mechanism below, which substance is acting like a catalyst and is it homogeneous or heterogeneous?
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Cl2 is acting like a catalyst because it came out in a same state.
and it's homogeneous reaction because they are all gases.
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Describe one physical and 1 Chemical way that the salt could be separated from the water
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if it dont dissolve

Explanation:

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4 years ago
Which of the following is a difference between electromagnetic waves and sound waves?
-BARSIC- [3]

Sound waves are longitudinal waves that is, are transmitted in the same direction of oscillation of the particles in the medium. Electromagnetic waves are transverse ie, the electric and magnetic fields, which are perpendicular to each other, oscillate perpendicularly to the direction of wave propagation.

4 0
3 years ago
Se realiza una mezcla de minerales de Cu y Fe: 20 kg FeS2 (pirita), 70 kg de Fe2O3 (hemetita) 15 kg de CuFe2 (calcopirita) y 90
Artemon [7]

Answer:

34.78% Fe

39.66% Cu

5.48% S

20.07% O

Explanation:

Para resolver esta pregunta debemos hallar la masa de cada átomo en cada mineral. Así, podremos hallar el porcentaje de cada átomo:

<em></em>

<em>Pirita (Fe: 55.845g/mol; S: 32.065g/mol; FeS2: 119.975g/mol)</em>

Masa Fe:

20kg FeS2 * (1*55.845g/mol / 119.975g/mol) = <em>9.31kg Fe</em>

Masa S:

20kg FeS2 * (2*32.065g/mol / 119.975g/mol) = <em>10.69kg S</em>

<em>Hemetita (Fe: 55.845g/mol; O: 16g/mol; Fe2O3: 159.688g/mol)</em>

Masa Fe:

70kg Fe2O3 * (2*55.845g/mol / 159.688g/mol) = <em>48.96kg Fe</em>

Masa O:

70kg Fe2O3 * (3*16g/mol / 159.688g/mol) = <em>21.04kg O</em>

<em>Calcopirita (Fe: 55.845g/mol; Cu: 63.546g/mol; CuFe2: 175.236 g/mol)</em>

Masa Fe:

15kg CuFe2 * (2*55.845g/mol / 175.236 g/mol) = <em>9.56kg Fe</em>

Masa Cu:

15kg CuFe2 * (1*63.546g/mol / 175.236 g/mol) = <em>5.44kg Cu</em>

<em />

<em>Tenorita (O: 16g/mol; Cu: 63.546g/mol; CuO: 79.545 g/mol)</em>

Masa O:

90kg CuO * (1*16g/mol / 79.545 g/mol) = <em>18.10kg O</em>

Masa Cu:

90kg CuO * (1*63.546g/mol / 79.545 g/mol) = <em>71.90kg Cu</em>

<em />

Masa Total: 20kg + 70kg + 15kg + 90kg = 195kg

Porcentaje Hierro:

9.31kg Fe + 48.96kg Fe + 9.56kg Fe / 195kg * 100 =

34.78% Fe

Porcentaje Cobre:

5.44kg Cu + 71.90kg Cu / 195kg * 100 =

39.66% Cu

Porcentaje Azufre:

10.69kg S / 195kg * 100 =

5.48% S

Porcentaje Oxígeno:

21.04kg O + 18.10kg O/ 195kg * 100 =

20.07% O

8 0
3 years ago
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