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Helga [31]
3 years ago
10

In general, if a reaction is spontaneous, the reactants possess more free energy than the products.

Chemistry
1 answer:
Inga [223]3 years ago
6 0

In general, if a reaction is spontaneous, the reactants possess more free energy than the products.  

<u>TRUE  </u>

FALSE

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65 g of hydrogen chloride (hcl) is dissolved in water to make 5.0 l of solution. what is the ph of the resulting hydrochloric ac
sashaice [31]
65 grams of HCl = 65/36.5 moles of HCl = 1.78 moles
1.78 moles of HCl dissolved to make a 5 litres of solution has a concentration of 1.78/5 = 0.36 mol/dm^3 (Note: 1 litre = 1 cubic decimetre)

In a strong acid, such as HCl, [H+] = [acid], so [H+] = 0.36

To calculate pH, we have to take the negative logarithm of the concentration of protons

So, -log(0.36) = 0.45

Hope I helped!! xx
7 0
3 years ago
Lithium chloride crystallizes in a face-centered cubic unit cell with chloride ions occupying the lattice points and lithium ion
Evgesh-ka [11]

Answer:

6

Explanation:

The coordination number of a particular crystal structure arrangement is defined as the number of nearest neighbor atoms or ions surrounding an atom or ion.

We must note that in salts of the type MX, the coordination number of each ion must be equal. The structure of LiCl is built by placing each unit cell next to another such that ions residing in the corner, edge or face sites are shared between adjacent unit cells. The LiCl is in FCC arrangement.

Hence in LiCl, each Li+ ion is surrounded by 6 chloride ions.

7 0
3 years ago
Which of these is a bacteria?<br><br> E-coli<br> HIV<br> Yeast<br> Zika
ZanzabumX [31]
<h3>Answer:</h3><h3></h3><h2>E. Coli </h2>

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5 0
3 years ago
Read 2 more answers
) If I have 223.4 grams of iron, how many moles of iron do I have?
Natalija [7]

Answer:

Number of moles of iron are 4 mol.

Explanation:

Given data:

Mass of iron = 223.4 g

Number of moles = ?

Solution:

Molar mass of iron = 55.85 g/mol

Formula:

Number of moles = mass/molar mass

Number of moles = 223.4 g/ 55.85 g/mol

Number of moles = 4 mol

3 0
3 years ago
Explain a natural process, while<br> describe a natural process.
blagie [28]

Answer:

a natural process is water cycle.

Explanation:

during this process,water evaporates from different water bodies ,when the warm water rises,the cold and heavier water comes down to take its place.On the other hand,the warm water on rising,changes to water vapour.

This water vapour helps in the formation of clouds .

When the cloud becomes heavy and is not able to hold the water vapour, it falls down as rain or snow depending upon the climate and atmospheric temperature.

This process continues over and over again

4 0
3 years ago
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