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Did the addition pf molecule evidence support or refute the hypothesis that you made earlier based on structural evidence only?why or why not?

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Posted on Aug 17, 2010

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The evolution from apes to modern humans involved many bodily changes. Identify all the changes that occurred.


Actually this is a complete fallacy. Nothing occurred, that is why we have apes and humans today....I used to believe in evolution until I found that those progressions so often shown were without solid proof, in fact some were outright frauds that they knew about in 1954! The 'missing links' have never been found because they do not exist. There is much evidence to the contrary for any willing to look at it.. Here is just one. http://creation.com/refuting-evolution-chapter-6-humans-images-of-god-or-advanced-apes

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What is the Actual Economic Role of Financial Reporting?


The Accountant of the Future," or "Big Unanswered Questions in Accounting." I reasoned that people who talk about such things must have too much free time on their hands, and therefore must have long since disengaged from active research, so they are unlikely to have much to say. For decades the data I encountered did nothing to refute this hypothesis
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What is a Hypothesis?


hy·poth·e·sis
h??p?TH?s?s/
noun

  1. a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation."professional astronomers attacked him for popularizing an unconfirmed hypothesis"
    synonyms: theory, theorem, thesis, conjecture, supposition, postulation, postulate,proposition, premise, assumption; More
    • PHILOSOPHYa proposition made as a basis for reasoning, without any assumption of its truth.

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Is glycerin of vegetable origin?


Glycerin is produced from fats. The fats - vegetalble, animal or fosill based are triglycerides - three saturated or unsaturated hydrocarbone chains connected together to the grycerine molecule. After alcaline treatment these molecules are broken down to the glycerine and the different hydrocarbone chains form bio-disel fuel. Since the type of the fat is defined entirely by the differences in the hidrocarbone chains, after their removal, noone can tell where the glycerin originated from vegs or animals.

Jan 09, 2014 | Computers & Internet

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Investigation based on the effect of light intensity on the rate of photosynthesis.state the hypothesis and variables


Well, your variables are in the statement of the topic. Light intensity and rate of photosynthesis. the independent variable could be the light intensity.
No light ( Intensity =0), no photosynthesis (rate=0). Increase the light intensity, the rate of photosynthesis should go up.

Hypothesis: As light intensity increases, the rate should (? ) go up.

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How do I remove the base from the TV to mount it on the wall?


See page 9 of the user manual, you need to remove 4 base mounting screws.
You can download the user manual from Sanyo website:
http://us.sanyo.com/dynamic/product/Downloads/DP50747_Manual-31187309.pdf

Please leave rating if it helps.

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Brian Power Question? Five Associates stray off course during The Expedition and find themselves in a new Quest where there is nothing but a pile of molecules and the Avatar. Exhausted from playing all...


Every associate leaves 4/5(n-1) molecules of a pile of n molecule. This result in an awful formula for the complete process (because every time one molecule must be taken away to make the pile divisible by 5):

4/5(4/5(4/5(4/5(4/5(4/5(p-1)-1)-1)-1)-1)-1), where p is the number of molecule in the original pile, must be a whole number.


The trick is to make the number of molecule in the pile divisible by 5, by adding 4 molecules. This is possible because you can take away those 4 molecules again after taking away one fifth part of the pile: normally, 4/5(n-1) molecules are left of a pile of n molecules; now 4/5(n+4) =4/5(n-1) +4 molecules are left of a pile of n+4 molecules. And because of this, the number of molecule in the pile stays divisible by 5 during the whole process. So we are now looking for a p for which the following holds:


4/5×4/5×4/5×4/5×4/5×4/5× (p+4) = (46/56) × (p+4), where p is the number of molecule in the original pile, must be a whole number.


Therefore, the smallest (p+4) for which the above holds, is 56.

So there were p=5 power 6 - 4 = 15621 molecule in the original pile.

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What is the electron dot diagram for nitrogen


The electron-dot structure (also known as the "Lewis dot structure") for N is shown below:dubblea_6.jpg The red dots represent electrons that comprise the atom's 5 valence electrons. Recall that the valence (outermost) electrons are those that are involved in chemical reactions of bonding. The rule you should apply to drawing this electron dot structure is to first draw (or imagine) a rectangle around the atom's symbol, letting the rectangle represent the atom's core electrons (not shown), those within the atom's inner (s) shell. Then place one electron on each side. That leaves the remaining electron to be placed on one of the already occupied sides to give the electron pair.

It doesn't matter what side you place this 5th electron, because the final result is the pattern shown above, 3 single dots and one pair of dots, which neatly reveals the bonding power* of N (3) - and the existence of the one electron pair, which predicts special types of reactivity you will probably appreciate in more advanced topics of this element's behavior.

*The single electrons are more reactive than the electron pair, and will readily form bonds with other atoms, such as H. This allows you to predict that N and H atoms will combine to form NH3.

How do you know there are 5 valence electrons? For the answer, refer to the following partial image of the Periodic Table of the Elements I drew using Word and SnagIT software:
dubblea.gif
Notice the number-letter labels above each column ("group") of elements, for example "5A." The letter A indicates the groups of "representative" elements, the most common elements studied in general chemistry courses. The numbers before the "A" represents the number of valence electrons surrounding each element's atoms. For example, hydrogen has one valence electron, nitrogen has 5 valence electrons, and oxygen has 6 valence electrons.

Using the rules described above for drawing electron-dot structures, how many single dots and double dots should be drawn around H? Around O? Can you predict the bonding power of each of these atoms? What molecular compounds do you predict would be formed from the reaction of H and H? What molecular compound do you predict would form between combining H atoms and O?

Hints:
Reactions tend to occur that cause the single electrons (dots) to pair up. This occurs because paired electrons are much more stable than single electrons. A strong driving force for a reaction is the going from a less stable state to a more stable state. Hydrogen atoms from H2 molecules (diatomic molecules). H and O atoms combine to form dihydrogen oxide, also known as water!

Summary:
  • A very simple set of rules allows you to predict the electron dot structures of the representative elements.
  • The electron dot structures are very useful, because they can allow you to predict the bonding power of each representative element.
  • They are also useful in guiding your prediction of the compositions of molecules that can form during reactions between their atoms (that is, how many of each element in the molecule).
  • In more advanced topics you will also be able to use electron-dot structures to predict the shapes (or geometry) of molecules, including bond angles!
  • So, learning the skill of drawing electron-dot structures is very important to mastering chemistry!

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1 Answer

Dishwasher is blinking PF what does that mean?


howdy, PF means power failure. There was evidently an interruption. If it has a clock this requires a reset, otherwise you should be able to clear it by reselecting your preferred cycles or timer.
Farmerbear At FixYa.com

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