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irinina [24]
4 years ago
10

Is often mistakenly regarded as being based on science

Chemistry
1 answer:
Alex777 [14]4 years ago
5 0
The question is asking to state the term that is often mistakenly regarded as being base on science and base on my research and further analysis, I would say that the answer would be a Pseudoscience. I hope you are satisfied with my answer and feel free to ask for more if you have question  
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The thermite reaction, in which powdered aluminum reacts with iron oxide, is highly exothermic: 2Al(s) + F e2O3 (s)→A l2O 3 (s) 
bija089 [108]
For this problem, we use the Hess' Law.

ΔHrxn = ∑(ν*Hf of products) - ∑(ν*Hf of reactants)

The ν represents the corresponding stoichiometric coefficients of the substances, while Hf is the heat of formation. For pure elements, Hf = 0.

Hf of Al₂O₃ = <span>−1676.4 kJ/mol
</span>Hf of Fe₂O₃ = <span>-826.0 kJ/mol

Thus,

</span>ΔHrxn = 1*−1676.4 kJ/mol + 1*-826.0 kJ/mol
<em>ΔHrxn = -2502.4 kJ/mol</em>
4 0
3 years ago
In the reaction H2CO3 (aq) + 2NH3 (aq) ? 2NH4+ (aq) + CO32– (aq), which substance is reduced? A. H2CO3 B. NH3 C. NH4 D. CO3 E. N
Ede4ka [16]
Here h2co3 is reduced because it oxidizes nh3
4 0
3 years ago
Watching the way clouds move in the sky would most likely provide helpful information on which characteristic of the weather?
scoundrel [369]

Answer:

By watching the movement of cirrus clouds you can tell from which direction weather is approaching. When you see cirrus clouds, it usually indicates that a change in the weather will occur within 24 hours. Cirrostratus clouds are thin, sheetlike high clouds that often cover the entire sky.

Explanation:

im smart;)

4 0
3 years ago
Write the structure of 2 butene class 10
prohojiy [21]

Answer:

The answer is C4H8.

Explanation:

I hope it helps you

Pass your test fast okay

BYE!

3 0
4 years ago
Once the chicken has reached 0ºC, you can add it to the sous-vide cooker (the Yeti cooler). What is the change in temperature (º
Y_Kistochka [10]

Answer:

Change in temperature = 74

Explanation:

The initial Temperature of the chicken is given as 0° C. Then the question states that the chicken is added to sous-vide cooker. And the final equilibrium temperature after cooking is given as 74°C. The equilibrium temperature means that the temperature of each component in the system, such as cooker and chicken is same, which is 74°C. So, we have:

Initial Temperature = 0

Final temperature = 74

Therefore, the change in temperature during cooking will be:

Change in Temperature = Final Temperature - Initial temperature

Change in Temperature = 74 - 0

<u>Change in temperature = 74</u>

7 0
3 years ago
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