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pentagon [3]
2 years ago
7

Find δs o for the combustion of methane to carbon dioxide and liquid water.

SAT
1 answer:
mote1985 [20]2 years ago
6 0

The entropy change ΔS for the combustion of methane to carbon dioxide and liquid water is -242.6 J/mol.K

<h3>What is the Entropy in a Chemical system?</h3>

In a chemical system, Entropy (ΔS) is a quantitative measure of the variety of possible ways to disperse energy inside a chemical system.

  • In an isothermal process, entropy is determined as the quantity of heat transmitted to a system.

The chemical reaction for the combustion of methane can be expressed as:

\mathbf{CH_{4(g)} + 2O_{2(g)} \to CO_{2(g)} + 2H_2O_{(l)}}

The standard entropy of the combustion is expressed as:

\mathbf{\Delta S^0 =(S^0 _{CO_{2}} + 2 \times S^0 _{H_{2}O} )+(-S^0 _{CH_{4}}  -2 \times S^0 _{O_{2}} })

Replacing the standard entropies of the compounds into the above equation, we have:

\mathbf{\Delta S^0 =(213.8 \8 \ J/mol.K + 2 \times69.92 \ J/mol.K  )+(-186.16 \ J/mol.K -2 \times 205.04 \ J/mol.K})

\mathbf{\Delta S^0 =-242.6 \ J/mol.K}

Learn more about entropy here:

brainly.com/question/6364271

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The process where two monomers chemically combine to form a larger polymer is called
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Polymerization is the process where two monomers chemically combine to form a larger polymer.

Given that in the process where monomers chemically combine to form a larger polymer.

We are required to tell the name of the process where two monomers chemically combine to form a larger polymer.

The name of the process is polymerization.

Polymerization is basically the process to create polymers. These polymers are then processed to make different kinds of plastic products. During polymerization many smaller molecules, called monomers or building blocks, are chemically combined to create larger molecules or a macromolecule.

Hence polymerization is the process where two monomers chemically combine to form a larger polymer.

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2 years ago
Which term is defined by the amount of a certain isotope that occurs in a natural sample of an element?
vodomira [7]

It should be noted that ion abundance defined by the amount of a certain isotope that occurs in a natural sample of an element.

<h3>What is ion abundance?</h3>

The ion abundance  can be explained as the sum of the intensities within the isotope boundaries.

Some strategy are ben used when calculating the abundance of that compound ion and it defined by the amount of a certain isotope in natural sample.

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. The text message component of each of Juan's monthly phone bills consists of $10.00 for the first 300 text messages sent that
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365

Explanation:

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8 0
3 years ago
Classify each label into the correct category of human red blood cell.
Mazyrski [523]

Classifying each label into the correct category of human red blood cell

A) Human red blood cell shrinks    

  • Cells placed in hypertonic solution
  • More water moves out of cell

B) Normal Human red blood cell

  • Cell placed in isotonic solution
  • Water enters and leaves at the same rate

C) Human red blood cell swells

  • Cell placed in hypotonic solution
  • More water moves into cell

<h3>Types of solution</h3>

A hypertonic solution is a solution with a higher concentration to its surroundings ( i.e contains more solutes like electrolytes than its surroundings ). when a cell is placed in such solution is shrinks gradually and dies off through a process known as plasmolysis. while a hypotonic solution is a direct opposite of a hypertonic solution. Also An isotonic solution is a solution with the same concentration with its surrounding solution.

Hence we can conclude that the classification of each label into the appropriate category are as listed above.

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2 years ago
The population of a town increased from 5600 to 6300.
FromTheMoon [43]

Answer:

More information please

Explanation:

4 0
3 years ago
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