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jonny [76]
3 years ago
13

Which best describes how energy changes form in a car’s engine?

Chemistry
2 answers:
marusya05 [52]3 years ago
3 0

Answer:

The Fuel Converts the gas to electric

Explanation:

its happens just like how the government does with natural gasses

Scorpiondrip2 years ago
0 0

A single transformation occurs because the chemical energy of the fuel is changed to the mechanical energy of the car.

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Which state of matter consists of particles that can be partially compressed? Gas Liquid Plasma Solid
son4ous [18]

Answer: Option (b) is the correct answer.

Explanation:

In liquid state, particles do have kinetic energy that helps in partially overcoming the intermolecular forces between the molecules. But still the particles are close together and they are able to slide past each other.

So, when we apply pressure on a liquid then its molecules partially gets compressed.

On the other hand, molecules of a solid are held together by strong intermolecular forces of attraction. Hence, they have definite shape and volume. As a result, solids do not get compressed.

In gases and plasma state of matter, molecules are gar away from each other. So, they are able to get completely compressed when a pressure is applied.

Thus, we can conclude that liquid is the state of matter which consists of particles that can be partially compressed.

8 0
3 years ago
a helium filled balloon has a volume of 208 l and it contains 9.95 moles of gas. if the pressure of the balloon is 1.26 atm dete
daser333 [38]
To determine the temperature of the gas, we need to assume ideal gas to use the equation PV=nRT where P represents the pressure, V is the volume, n is the number of moles, T is the temperature and R is the universal gas constant. We calculate as follows:

PV = nRT
T = PV / nR

T = (1.26 atm) ( 208 L ) / 0.08205 L-atm/mol-K ( 9.95 mol )
T = 321.02 K

Hope this answers the question.
8 0
3 years ago
Which of the following best captures the point of paragraph 3
givi [52]

Answer:

Is there a picture or smth?

Explanation:

6 0
3 years ago
What do we call the type of chemical reaction that occurs in this step? Explain how the name of this type of reaction relates to
icang [17]
Figure it out yourself
6 0
3 years ago
Which is the Lewis structure for H3PO4?
Fed [463]

<u><em>Answer:</em></u>

  • The correct structure of phosphoric acid is A.

<u><em>Explanation</em></u>

  • P should form five covalent bonds. In this strcuture P form three single bond with 3-hydroxyl groups while one single bondformed with oxygen. As oxygen will form two bonds , it carry negative charge, while P should form five bond but here it is forming 4 bonds due to this P has positive charge but overall structure contain neutral charge due to cancellation of positive and negative charges. Beside this, there are 3 H,  Four O and One P according to formula H3PO4.
5 0
3 years ago
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