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Rudiy27
3 years ago
10

In a cooking context, which of the following materials is the best heat conductor?

Chemistry
1 answer:
Tasya [4]3 years ago
8 0
I think iron because the other options are all bad conductors.
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CH3CO3H + Fe = CH3COOH + FeO represents a(n)_____ equation.<br> A.) Balanced <br> B.) Unbalanced
Schach [20]

Answer:

Balanced

Explanation:

2 Carbons per side

4 Hydrogens per side

3 Oxygen per side

1 Iron per side

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2 years ago
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the rate constant for the decomposition of acetaldehyde, ch3cho, to methane, ch4, and carbon monoxide, co, in the gas phase is 1
Mademuasel [1]

The rate constant for the decomposition of acetaldehyde, CH₃CHO, to methane, CH₄, and carbon monoxide, CO, in the gas phase is 1.10 × 10² m⁻¹ s⁻¹ at 703.7 k and 4.90 x 10⁻² m⁻¹ s⁻¹ at 865 k.The activation energy for this decomposition in KJ/mole is 154.303

To determine the activation energy of a reaction (Ea) from two reaction rates (k₁ and k₂) at two different temperatures (T₁ and T₂).

we use the equation -

<u>k₂</u> = <u>Eₐ </u> x ( <u>1  </u> -  <u>1  )</u>

k₁     R       T₁    T₂

Where,

R is the gas constant (8.3145 J/mol.K).

We have -

k₁= 1.10 x 10⁻²  m⁻¹ s⁻¹

T₁= 703.7 K

k₂= 4.90 x 10⁻² m⁻¹ s⁻¹  

T₂= 865 K

Putting the values in the equation -

<u>4.90 x 10⁻² m⁻¹ s¹</u> =<u>          Ea             </u>  x ( <u>     1      </u>  -  <u>     1    )</u>

1.10 x 10⁻² m⁻¹ s⁻¹   (8.3145 J/K.mol)      703.7 K      865 K

Ea = (4<u>.90 x 10⁻² m⁻¹ s⁻¹</u>) / ( <u>     1      </u> -  <u>      1    </u> <u>)</u> x (8.3145 J/K.mol)

         1.10 x 10⁻² m⁻¹ s⁻¹        703.7 K    851 K

Ea = 154303 J/mol

When divided by 1000,

Ea in KJ/mol = 154.303 KJ/mol

To learn more about activation energy,

brainly.com/question/8911926

#SPJ4

3 0
10 months ago
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Answer: The question is is not complete...here is the complete question.

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Seeds come from adult plants. They're made from plants to make more plants.
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