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tatuchka [14]
3 years ago
5

Question number 1 they are asking for highest possible theoretical temperature?

Chemistry
1 answer:
den301095 [7]3 years ago
7 0

I think the highest theoretical temperature would be 36.5°C.

Hope I helped, sorry if not.

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Brodation<br>number of oxygen in F2O is.​
larisa86 [58]

Answer:

Oxidation number of F2O = 0−(−1×2)

State of oxygen will be=+2

4 0
3 years ago
4. Which of the following NOT TRUE about real gas
Semenov [28]

Answer:

The answer is D.

Explanation:

Intermolecular force are negligible

When the distance between molecules decrease,

the attraction or repulsion become greater

7 0
2 years ago
How can you tell that a chemical change has occurred?
Alik [6]

A. The products of the change are different from the starting

substances.

<u>Explanation:</u>

Whenever there is a physical change it may just affect the phase change but the properties remains the same. Whenever there is an occurrence of a chemical change, it was indicated by some of these things such as,

  • The products are exactly different from the products.
  • Chemical properties of these reactants are entirely different from that of the products.
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5 0
3 years ago
When 7.085 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 21.71 grams of CO2 and 10.37 grams of H
Taya2010 [7]

Answer:

- Empirical:

C_3H_7

- Molecular:

C_6H_{14}

Explanation:

Hello,

In this case, based on the information regarding the combustion, the moles of carbon turn out:

n_C=21.71gCO_2*\frac{1molCO_2}{44gCO_2}*\frac{1molC}{1molCO_2}=0.493molC

Moreover, the moles of hydrogen:

n_H=10.37gH_2O*\frac{1molH_2O}{18gH_2O}*\frac{2molH}{1molH_2O}=1.152molH

Thus, the subscripts of carbon and hydrogen in the hydrocarbon turn out:

C=\frac{0.4934}{0.4934}=1\\H=\frac{1.15222}{0.4934}=2.335\\CH_{2.335}

Now, looking for a suitable whole number we obtain the following empirical formula as 2.335 times 3 is 7 for hydrogen:

C_3H_7

In such a way, that compound has a molar mass of 43 g/mol, thus, the whole compound's molar mass is 86.18 g/mol for which the molecular formula is twice the empirical one, therefore:

C_6H_{14}

Which is hexane.

Best regards.

6 0
3 years ago
How many Valence electrons does Li have?
deff fn [24]

It has a single valence electron.

3pro & 3ele - it is the single electron in shell 2.

6 0
3 years ago
Read 2 more answers
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