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Sveta_85 [38]
2 years ago
14

What is differences between mineral and an ore in chemistry???​

Chemistry
1 answer:
UNO [17]2 years ago
3 0

In Chemistry:

A mineral is a naturally occurring inorganic element or compound having an orderly internal structure and characteristic chemical composition, crystal form, and physical properties. Common minerals include quartz, feldspar, mica, amphibole, olivine, and calcite.

Ores are a mixture of minerals: processed to produce an industrial mineral or chemically treated to produce one or more metals. The steel, aluminum, chromium, zinc, mercury, manganese, tungsten, and some copper ores are typically processed for just one element.

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The answer to this question is b hope this helps you out
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4 years ago
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What is the temperature of 0.750 mol of a gas stored in a 6,850 mL cylinder at 2.21 atm? A: 2.95 K
harina [27]

Option D: 246 K

According to ideal gas law:

PV=nRT ...... (1)

Here, P is pressure, V is volume, n is number of moles, R is Universal gas constant and T is temperature of the gas. The value of R is 0.082 atm L K^{-1}mol^{-1}.

Number of moles of gas are 0.750 mol, volume of cylinder is 6850 mL and pressure of gas is 2.21 atm.

First converting volume from mL to L

1 mL=10^{-3}L

Thus,

6850 mL=6.850 L

Putting the values in equation (1),

(2.21 atm)(6.850 L)=(0.750 mol)(0.082 atm L K^{-1}mol^{-1}T

Rearranging

T=\frac{(2.21 atm)(6.850 L)}{(0.750 mol)(0.082 atm L K^{-1}mol^{-1})}=246 K,

Therefore, temperature of the gas is 246 K.


8 0
3 years ago
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Calcium carbonate solution it forms what​
Studentka2010 [4]

Answer:

CaCO3( s ) → CaO( s ) + CO2( g )

Calcium carbonate will react with water that is saturated with carbon dioxide to form the soluble calcium bicarbonate. This reaction is important in the erosion of carbonate rock, forming caverns, and leads to hard water in many regions.

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Choose all the answers that apply. The elements in group 18 _____. are highly reactive are gases at room temperature usually do
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Explanation:

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How are evaporation and condensation related?
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