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Ganezh [65]
3 years ago
11

A liquid with weak intermolecular forces will

Chemistry
1 answer:
SCORPION-xisa [38]3 years ago
3 0

Will be destroyed unless helped.
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The half-life of phosphorous-32 is 14.28 days. How many days are required for 4.68 g to remain if you start with 74.88
Anastasy [175]
57.167days will be required for 4.68g to remain

4 0
2 years ago
phosporus can be prepared from calcium phosphate by the following reaction: 2Ca3(PO4)2+6SiO2+10C → 6CaSiO3+P4+10CO Phosphorite i
morpeh [17]

Answer:

285 g of P₄

Explanation:

Let's consider the following balanced equation.

2 Ca₃(PO₄)₂ + 6 SiO₂ + 10 C → 6 CaSiO₃ + P₄ + 10 CO

We know the following relations:

  • 100 g of phosphorite contain 75 g of Ca₃(PO₄)₂
  • 2 moles of Ca₃(PO₄)₂ produce 1 mole of P₄
  • The molar mass of Ca₃(PO₄)₂ is 310 g/mol
  • The molar mass of P₄ is 124 g/mol

Then, for 1.9 kg of phosphorite:

1900g(phosphorite).\frac{75gCa_{3}(PO_{4})_{2}}{100g(phosphorite)} .\frac{1molCa_{3}(PO_{4})_{2}}{310gCa_{3}(PO_{4})_{2}} .\frac{1molP_{4}}{2molCa_{3}(PO_{4})_{2}} .\frac{124gP_{4}}{1molP_{4}} =285gP_{4}

6 0
2 years ago
How is the bent geometry related to the tetrahedral geometry?
Nuetrik [128]

Answer:

this shape is called bent or angular. a molecule with four electron groups around the central atom orients the four groups in the direction of a tetrahedron.if there are four atoms attached to these electron groups then the molecular shape is also tetrahedral.

Explanation:

Hope this helped Mark BRAINLEST!!!!!

4 0
2 years ago
What action could slow a chemical reaction rate?
Free_Kalibri [48]

The action that could slow a chemical reaction rate is adding more of a substance to a mixture. The answer is letter d. It does not give time for the rest of the reactants to be consumed because you are adding more of it causing to slow the reaction.

6 0
3 years ago
Gina is driving her car down the street. She has a teddy bear sitting on the back seat. A dog runs in front of Gina's car, so sh
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objects in motion tend to stay in motion unless acted upon by an outside force.

5 0
3 years ago
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