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My name is Ann [436]
2 years ago
10

A student makes a ball-and-stick model of a propane molecule, as shown below. The black balls represent carbon atoms, and the wh

ite balls represent hydrogen atoms.

Chemistry
1 answer:
dexar [7]2 years ago
5 0

Answer:

Explanation:

No sure I tried

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A 5 mole sample of liquid acetone is converted to a gas at 75.0°C. If 628 J are required to raise the temperature of the liquid
velikii [3]
The total energy required for this conversion is equivalent to the sum of the energies that are used. There are three steps:

1) Heating of liquid acetone
This used 628 J

2) Evaporation of acetone
This used 15.6 kJ or 15,600 J

3) Heating of acetone vapors
This used 712 J

Adding these quantities,

Total energy = 628 + 15,600 + 712

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3 years ago
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3 years ago
The compound ncl3 is nitrogen trichloride, but alcl3 is simply aluminum chloride. why
AveGali [126]
The answer to this question would be:
NCl3 is a molecular compound (two or more nonmetals), and therefore in its name prefixes indicate the number of each type of atom. so NCl3 is nitrogen trichloride<span>.
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Both of nitrogen and chlorine is nonmetal, but aluminum is metal. Metal with nonmetal will make an ionic compound that doesn't need prefixes.</span>
5 0
4 years ago
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The best description of atoms or molecules that have a positive or negative charge and are dissolved in body fluids
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I hope the answer is right


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2 years ago
The document that provides the structure for the us government is
Komok [63]
The Constitution provides the basic structure for US Government.

As a sidenote, you posted this in Chemistry, when it actually belongs in another topic.  Please be sure to post questions only where they belong.  Thanks!  :)
7 0
3 years ago
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