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Fiesta28 [93]
3 years ago
14

Is quartz considered a mineral or ore?

Chemistry
2 answers:
Andrej [43]3 years ago
7 0

Quartz is a mineral.

eimsori [14]3 years ago
5 0

Answer:Quartz is a meniral

Explanation:

Quartz is composed of oxygen and silicon.it is a pure form of silica

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What are the products when ammonia (NH3) decomposes according to this equation?<br> NH3
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<span>Ammonia (NH3) is the combination of Nitrogen and Hydrogen elements.
=> N2 + 3H2 => 2NH3

Ammonia is basically used as a fertilizer. It is a gas composed of nitrogen and hydrogen. It is colorless with strong odor. Here are some other uses of Ammonia aside from fertilizer:
=> used by manufacturer to produce synthetic fiber
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Ammonia can be decomposed easily and it produce hydrogen that is very convenient in welding.
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3 years ago
Compared to the normal freezing point and boiling point of water, a 1-molar solution of sugar in water will have a
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Answer :

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  • Freezing point of the sugar solution will be lower than that of water's freezing point.

Explanation:

  • Boiling point of a liquid is defined as temperature at which vapor pressure of liquid becomes equal to the atmospheric pressure.

Boiling point of solution is always higher than that of the pure solvent

Vapor pressure increases with increase in temperature which means sugar solution will be heated more to make vapor pressure equal to atmospheric pressure.

  • Freezing point is defined as temperature at which solid and liquid phase are at equilibrium or temperature at which vapor pressure of liquid becomes equal to the vapor pressure in its solid phase.

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Lower the temperature, lower will be the vapor pressure which sugar solution solution will get freeze at lower temperature than that of the water.

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3 years ago
On a graph, which type of line shows a direct proportion?
leonid [27]
Direct Proportion and The Straight Line Graph.Straight<span> line graphs that go through the origin, like the one immediately below, show that the quantities on the graph are in direct proportion.
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8 0
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Answer:

N5O2

Explanation:

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