Please help with chem question

Chemistry

1 answer:

ahrayia [7]3 years ago

5 0

The appropriate option would be the 3rd one, knowing that the closeness of the particles greatly impacts weak nonpolar and other intermolecular interactions. The solids would showcase strong intermolecular forces and thus possess greater energy in those interactions between solids than liquids.

Solids are in fact more closely packed.

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What type of climate conditions are needed to form coal deposits.

guajiro [1.7K]

Answer:

Subbituminous coal can form at temperatures as low as 35 to 80 °C (95 to 176 °F) while anthracite requires a temperature of at least 180 to 245 °C (356 to 473 °F).

Sub-types: Cannel coal

Child material class: Lignite

Explanation:

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3 years ago

Silicon is prepared by the reduction of K₂SiF6 with Al. Write the equation for this reaction. (Hint: Can F⁻ be oxidized in this

BlackZzzverrR [31]

4Al + 3K2SiF6 = 6KF + 3Si + 4AIF3 is the reaction for preparation of silicon by the reduction of K₂SiF6 with Al.

AlF3xH2O-based inorganic compounds are referred to as aluminium fluoride. They are all solids without colour. Aluminium fluoride is a crystalline (sand-like), odourless, white, or colourless powder. In addition to being used to make aluminium, it also functions as a flux in welding processes and in ceramic glazes and enamels.

Silicon (Si) is created by reducing potassium silicofluoride with aluminium as the reducing agent (K2SIF6). While K2SiF6 is reduced to Si in this equation, aluminium is oxidised to aluminium fluoride. As a result, the balanced equation describing aluminum's reduction of K2SiF6 to silicon non-metal is as follows: 4Al + 3K2SiF6 = 6KF + 3Si + 4AIF3

Learn more about aluminium fluoride here:

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1 year ago

Name four products of incomplete combustion

aalyn [17]

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3 years ago

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maksim [4K]

Answer:
Oxalic Acid is and Arrhenius Acid.

Explanation:
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3 years ago

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