Parallelograms are shapes that have 4 sides, where the opposite sides are congruent and parallel
<h3>How to determine a parallelogram</h3>
For a shape to be a parallelogram, then the following must be true
- The opposite side lengths are congruent
- The opposite side lengths are parallel
- The diagonals bisect each other
<h3>The proof statement</h3>
The above statements in (a) above mean that:
The statements that prove that quadrilateral uwxy is a parallelogram are
- Diagonals UX and WY bisect each other
- Sides UW and XY are congruent
- Sides UW and XY are parallel.
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Answer is in the photo. I can't attach it here, but I uploaded it to a file hosting. link below! Good Luck!
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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:
The standard entropy of the combustion is expressed as:
Replacing the standard entropies of the compounds into the above equation, we have:
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I do not have the passage, but here are the meanings that the word presume can have:
- to assume something to be true without really knowing if it is true or not.
- to be arrogant about what you have.
If you want to understand the meaning of a word in the context of a passage, it is important to read the whole text so you can identify what the word specifically means in that passage.
Check similar exercises about finding the meaning of a word here brainly.com/question/10853033?referrer=searchResults
