Explanation:
In order to maintain electrical neutrality, +3 nC charge which is present in the cavity tends to attract -3 nC charge in the inner surface of cavity.
Since, it is given that -3 nC charge is present in the hollow cavity. So, in order to maintain electrical neutrality -3 nc charge has to be present on the surface of the metal.
Thus, we can conclude that the total charge on the exterior surface of the metal is -3 nC.
The percentage yield obtained from the given reaction above is 74.8%
<h3>Balanced equation </h3>
P₄ + 6Cl₂ → 4PCl₃
Molar mass of P₄ = 31 × 4 = 124 g/mol
Mass of P₄ from the balanced equation = 1 × 124 = 124 g
Molar mass of PCl₃ = 31 + (35.5×3) = 137.5 g/mol
Mass of PCl₃ from the balanced equation = 4 × 137.5 = 550 g
<h3>SUMMARY</h3>
From the balanced equation above,
124 g of P₄ reacted to produce 550 g of PCl₃
<h3>How to determine the theoretical yield </h3>
From the balanced equation above,
124 g of P₄ reacted to produce 550 g of PCl₃
Therefore,
79.12 g of P₄ will react to produce = (79.12 × 550) / 124 = 350.9 g of PCl₃
<h3>How to determine the percentage yield </h3>
- Actual yield of PCl₃ = 262.6 g
- Theoretical yield of PCl₃ = 350.9 g
Percentage yield = (Actual /Theoretical) × 100
Percentage yield = (262.6 / 350.9) × 100
Percentage yield = 74.8%
Learn more about stoichiometry:
brainly.com/question/14735801
Answer:
All soil is made up of inorganic mineral particles, organic matter (including living things), air and water. Inorganic mineral particles make up more than half the volume of soil. These particles come from rocks – the parent material that formed the soil.
Hope this helps!
Answer:
A
Explanation:
The strength of the gravitational force between two objects depends on mass and distance. The object with the greatest mass would be the car.
Answer:
The answer to your question is Selenium
Explanation:
The origin of the names of the elements comes from different origins
For example
Sanskrit words. 14 elements have roots from this language
Planets, 4 elements took their names from the planets.
Greek, 42 elements took their names from these languages
The name of Selenium comes from the greek that means moon.
