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joja [24]
4 years ago
10

Despite its very low K value at room temperature this reaction is widely used in industry to convert iron oxide into iron metal

at very high temperatures. In fact, more than 100000000 tons of iron is made this way annually. Based on this information, what can we infer about this reaction at very high temperatures?
Chemistry
1 answer:
Hoochie [10]4 years ago
5 0

Answer:

Higher K at very high temperatures.

Explanation:

It is inferred is K is significantly greater at very high temperatures, allowing high production at low cost.

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A gas sample at 40.0*C occupies a volume of 2.32 L. If the temperature is raised to 75*C, what will the volume be, assuming the
sammy [17]

Answer: 2.58L

Explanation:

We must convert the temperature from °C to Kelvin temperature

T1 = 40°C = 40 + 273 = 313K

V1 = 2.32 L

T2 = 75°C = 75 + 273 = 348K

V2 = ?

V1 /T1 = V2 /T2

2.32 / 313 = V2 / 348

Cross multiply to express in linear form

313 x V2 = 2.32 x 348

Divide both side by the coefficient of V2 ie 313. We have

V2 = (2.32 x 348) /313

V2 = 2.58L

Therefore, if the temperature is raised to 75°C, the volume of the gas will be 2.58L

8 0
3 years ago
Consider an equilibrium (K1) that is established after 10 mL of compound A and 10 mL of compound B are mixed. Now, imagine the e
WARRIOR [948]

The equilibrium constant K₁ = Equilbrium constant K₂.

The equilibrium constant, K, of a reaction, is defined as:

"The ratio between concentration of products powered to their reaction quotient and concentration of reactants powered to thier reaction quotient".

For the reaction:

aA + bB ⇄ cC + dD

The equilibrium constant, K, is:

K = \frac{[C]^c[D]^d}{[A]^a[B]^b}

Now, assuming the reaction of the problem is 1:1:

A + B ⇄ C + D

K = \frac{[C][D]}{[A][B]}

The concentrations of the reactants are directly proportional to the volume added. Thus, we can assume that concentration = Volume. Replacing for K₁ and K₂:

K_1 = \frac{[C][D]}{[10mL][10mL]} = K_1 = \frac{[C][D]}{100mL^2}

In the same way:

K_2 = \frac{[C][D]}{[1mL][100mL]} = K_2 = \frac{[C][D]}{100mL^2}

Thus, we can say:

<h3>K₁ = K₂</h3><h3 />

Learn more about chemical equilibrium in:

brainly.com/question/4289021?referrer=searchResults

8 0
3 years ago
The images show two metamorphic rock samples.<br> Which statement accurately describes these rocks
kodGreya [7K]

Answer: its b

Explanation:

6 0
4 years ago
which half reaction describe what is taking place at the cathode during the electrolysis of melting salt of NaCl?
Mice21 [21]

Answer:

Na+ e- - Na

Explanation:

8 0
4 years ago
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