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Fittoniya [83]
3 years ago
11

How does the structure of a mineral affect its properties?

Chemistry
1 answer:
Softa [21]3 years ago
4 0
Purely for crystalline structure, "twinning" or repetition of crystal forms can bring about a striated texture on the mineral. Crystal defects and chemical impurities can alter the physical and electrical properties of a mineral. Some minerals can exist in different crystal forms and exhibit "polymorphism." The range in crystal structure can change the mineral's hardness, strength, solubility, electrical properties, melting points, etc.
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4. Assuming the reaction below is at equilibrium, which of the following changes will drive the reaction to the left? C(s) + O2(
shepuryov [24]

Answer:

Increasing temperature

Explanation:

C(s) + O_2(g) \leftrightharpoons CO_2(g)

Enthalpy of the reaction = -393.5 kJ/mol

Negative sign implies that reaction is exothermic.

Effect of change in reaction condition is explained by Le chateliers principle.

According to Le chateliers principle, if the reaction conditions of a reversible reaction in a state of dynamic equilibirum is changed, the reaction will move in a direction to counteract the change.

1. Increasing the temperature

Forward reaction is exothermic that means temperature increases in forward direction. Backward reaction will be endothermic and so there is decrease in temperature in backward direction or in left direction.

On increasing temperature, reaction will be move in direction to counteract the increased temperature, therefore reaction will move in left direction.

2. Adding O2

If O2 is added, then reaction will move in a direction in which its get consumed. So, reaction will move in forward direction or in right direction.

3. Removing C (s)

Le Chatelier's principle does not apply on solids, so removal of C(s) does not affect the equilibrium.

4 0
3 years ago
Read 2 more answers
If the complete conversion of 1.383g of XI2 results in the formation of 0.564g of XCl2,what is the atomic mass of the element X
Marina CMI [18]

Answer:

So X has an atomic mass of 55.05 u, and is probably Mn

Explanation:

<u>Step1: </u>Balance the equation

XI2 +Cl2 →  XCl2 + I2

<u>Step2:</u> find the molar mass of the compounds

<em><u>Compounds : </u></em>

X  ⇒ Molar mass = M

XI2 ⇒ Molar mass = M + 2*126.9 u

XCl2 ⇒Molar mass = M + 2*35.45u

⇒For 1 mole XI2 we have 1 mole Cl2 reacting , as well as 1 mole XCl2 and 1 mole I2 produced.

<u>Step 3:</u> Calculating the atomic mass

(1.383g * XI2) / (M + 2*126.90 u)  = (0.564g * XCl2) / ( M + 2 * 35.45u)

1.383 (M + 2 *35.45 u )= 0.564 (M  + 2*126.90)

1.383M + 98.0547 = 0.564 M + 143.1432

1.383 M - 0.564 M =143.1432 - 98.0547

0.819 M = 45.0885

M = 55.05 u

So X has an atomic mass of 55.05 u ⇒ if we look at the periodic table we can find that the closest element is Manganese (Mn)

MnI2 + Cl2 → MnCl2 + I2

5 0
3 years ago
Why do we use copper for iPhone chargers
juin [17]
You should contact apple about that!
4 0
3 years ago
What is the electron configuration for silicon
Serjik [45]
<span>Ne 3s2 3p2. Thats the answer and i hope it helped!</span>
7 0
3 years ago
Hi can you slove this please. ..​
Crank

Answer : The balanced chemical equation will be:

(i) 2K+H_2SO_4\rightarrow K_2SO_4+H_2

(ii) Mg(OH)_2+Zn\rightarrow Zn(OH)_2+Mg

Explanation :

Balanced chemical equation : It is defined as the equation in which total number of individual atoms on the reactant side is equal to the total number of individual atoms on product side.

Part (i):

The balanced chemical equation will be:

2K+H_2SO_4\rightarrow K_2SO_4+H_2

This reaction is a single displacement reaction in which most reactive element (potassium) displaces the least reactive element (hydrogen) form their solution.

Part (ii):

The balanced chemical equation will be:

Mg(OH)_2+Zn\rightarrow Zn(OH)_2+Mg

This reaction is a single displacement reaction in which most reactive element (zinc) displaces the least reactive element (magnesium) form their solution.

7 0
3 years ago
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