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Crank
3 years ago
7

An ideal gas cannot exist outside of ideal gas conditions true or false ?

Chemistry
1 answer:
zzz [600]3 years ago
5 0

Answer:

Yes

Explanation:

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draw the lewis structure, including unshared pairs, of the following molecule. carbon has four bonds in the compound. propane (c
SIZIF [17.4K]

There are three carbon and 8 hydrogen present in propane molecule. The Lewis structure of propane is shown as:

Three molecules of such carbon atoms bound to eight molecules with hydrogen atoms make up the organic complex propane molecule.

It is known that carbon has 4 valence electrons and hydrogen has one valence electron. Carbon needs 4 extra electrons to complete its octet hence, it will share its electrons with with 4 hydrogen atom and complete its octet.

Carbon will be formed 4 bond . Three bond with hydrogen and one bond with carbon atom.

To know more about Lewis structure.

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2 years ago
Objects in the universe vary in their composition. Which of the following best describes the composition of a galaxy?
professor190 [17]

Answer:

d

Explanation:

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3 years ago
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How do balanced chemical equations show the conservation of mass?
stepladder [879]

You cannot create something from nothing and similarly you cannot create less from more, if you didn't balance an equation that needs to be balanced, your product might end up equalling more or less than the total mass of the two elements combined. Which is impossible

3 0
4 years ago
Rachel burns a 53 gram cracker under a soda can filled with 81.6 grams of water. She took the temperature of the water before sh
Anna11 [10]

Answer

Q=4479.8 cal

Procedure

To solve the problem you will need to use the specific heat formula

Q=mc\Delta T

Where;

Q=heat energy

m=mass

c=specific heat capacity

ΔT=change in temperature

Assuming that the heat released from the cracker of unknown material is equal to the heat absorbed by the water, then we can use the c and m for water in our calculations.

c_{water}=4.186\frac{J}{g\degree C}

Substituting the values in our equation we have

Q=mc\Delta T=81.6\text{ }g(4.186\frac{J}{g\degree C})(68.1-13.2)\degree C=18752.61\text{ }J

Finally, transform the J to cal

18752.61\text{ }J\frac{1\text{ }cal}{4.186\text{ }J}=4479.8\text{ cal}

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1 year ago
Which of the following pairs of molecules can be held together by a hydrogen bond??
OverLord2011 [107]
<span>CH3OH and NH3
I HOPE THIS HELPS :D</span>
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3 years ago
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