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Artyom0805 [142]
3 years ago
12

The synthesis of CH3OH from CO and H2 is represented by the equation below.

Chemistry
1 answer:
mojhsa [17]3 years ago
3 0

Answer: Option (b) is the correct answer.

Explanation:

In a chemical reaction, the bonds between the reactant molecules tend to break leading to the formation of new bonds to produce products.

So, in order to break the bonds between the reactant molecules, energy is required to overcome the attraction between the atoms.

To form new bonds, energy gets released when two atoms come closer to each other.  Hence, formation of bond releases energy.

As in the given reaction it is shown that \Delta H < 0, that is, enthalpy change is negative. Hence, energy is released as it is an exothermic process.

Thus, we can conclude that the statement energy released as the bonds in the reactants is broken is greater than the energy absorbed as the bonds in the products are formed, is true about the bond energies in this reaction.

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Where is groundwater stored?
Tema [17]

Answer:

Answer Below! : )

Explanation:

Groundwater is stored in the tiny open spaces between rock and sand, soil, and gravel. How well loosely arranged rock (such as sand and gravel) holds water depends on the size of the rock particles.

Hope this helps! : )

8 0
2 years ago
Read 2 more answers
What do we call the experimental apparatus that William crooks used in his experiments and what did he discover
34kurt

Answer: It is called a Crookes Tube, and he used it to discover cathode rays, which were later determined to be electrons.

4 0
3 years ago
How many molecules of zinc oxide are there in a 2 kg sample?
Novosadov [1.4K]

There are 1.48 × 10²⁵ molecules of zinc oxide in a 2 kg sample. Details about number of molecules can be found below.

<h3>How to calculate number of molecules?</h3>

The number of molecules of a substance can be calculated by multiplying the number of moles of the substance by Avogadro's number.

According to this question, there are 2000g of ZnO in a sample. Zinc oxide has a molar mass of 81.38 g/mol.

no of moles = 2000g ÷ 81.38g/mol

no of moles = 24.57mol

number of molecules = 24.57 × 6.02 × 10²³

number of molecules = 147.95 × 10²³

Therefore, there are 1.48 × 10²⁵ molecules of zinc oxide in a 2 kg sample.

Learn more about number of molecules at: brainly.com/question/11815186

#SPJ1

6 0
2 years ago
Which of these statements is true ?
uysha [10]

Answer:

I believe it's C

Explanation:

KHDUDCM

King Henry Died Unexpectedly Drinking Chocolate Milk

cL is C and L is U so you go back two decimal points on 6000. That is 60 so you have 60 L and 6 L and 60L > 6L

7 0
3 years ago
6-11<br>don't answer if you don't know​
Bumek [7]

Answer:

ghrtdfghtyfrhjbfyrt

Explanation:

t6n yrtnyrt tryrbhyrty ryrhtr

6 0
3 years ago
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