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timofeeve [1]
3 years ago
14

How many grams of C3H8 are in a 7 L tank at 293 K and 5.45 atm?

Chemistry
1 answer:
Sophie [7]3 years ago
8 0
1.59 moles















































112211111111111112
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Please help 20 + points The Law of Conservation of Mass states that matter can neither be ________ nor ___________ in a chemical
Sindrei [870]

The Law of Conservation of Mass states that matter can neither be created nor destroyed in a chemical reaction.

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3 years ago
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Select the correct hybridization for the central atom based on the electron geometry cocl2 (carbon is the central atom).
Rainbow [258]
In this compound (Phosgene) the central atom (carbon is Sp² Hybridized).

Sp, Sp² and Sp³ can be calculated very simply by doing three steps, 

Step 1:
           Assume triple bond and double bond as one bond and assign s or p to it. In this example carbon double bond oxygen is considered once and let suppose it is s. Now we are having our s.

Step 2:
          Count lone pair of electron, each lone pair counts for s and p. In this case there is no lone pair of electron on carbon, so not included.

Step 3:
          Count single bonds for s and p. As we have already assigned s to the double bond, now one p for one single bond, and other p for the other single bond.

Result:
          So, we counted 1 s for double bond, 1 p for one single and other p for second single bond. As a whole we got,

                                                       Sp²

Practice:
You can practice for hybridization of Oxygen in this molecule. Oxygen has 2 lone pair of electrons. (Hint: Sp² Hybridization)
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3 years ago
The swallowtail caterpillar is an example of a ?
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Answer:

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Antacid tablets commonly contain calcium carbonate and/or magnesium hydroxide. draw the lewis structure for calcium carbonate an
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Which of the following pathways produces the most nadh and the least atp?
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It seems that you have missed the necessary options for us to answer this question so I had to look for it. Anyway, here is the answer. The pathway that produces the most NADH and the least ATP is the KREBS CYCLE. Hope this answers your question. Have a great day ahead!
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