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labwork [276]
3 years ago
13

Explain why the roller coaster’s potential energy is greater at point 1 than at point 4.

Chemistry
1 answer:
vodomira [7]3 years ago
8 0

Answer:

The answer to your question is given below.

Explanation:

Potential energy is the energy stored in a body by virtue of its location. Mathematically, potential energy is expressed as:

Potential energy (P.E) = Mass(m) x Acceleration due to gravity (g) x Height (h)

P.E = mgh

Since the mass of the object is always constant and the acceleration due to gravity is also constant, it therefore means that the potential energy of an object is directly proportional to the height where the object is located.

This implies that as the height to which the object is located increases, the potential energy of the object also increases and as the height to which the object is located decreases, the potential energy of the object will also decrease.

In the diagram given above, point 1 is higher than point 4. This will cause the potential energy of the roller to be higher at point 1 than at point 4.

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What is the molar ratio for the following equation after it has been properly balanced?
slava [35]
The answer 
<span>the molar ratio for the following equation 
____C3H8 + ____O2 Imported Asset ____CO2 + ____ H2O

</span>after it has been properly balanced:
__1_C3H8 + ____5O2 Imported Asset ____3CO2 + ____ 4H2O

proof:
number of C =3  (C3H8;   3CO2)
number of H =8 (C3H8 ; 4H2O)
number of O = 10(5x2) or (2x3+4)  (5O2;4H2O)

the answer is 
<span>Reactants: C3H8 = 1, O2 = 8; Products: CO2 = 3 and H2O = 4</span>
4 0
3 years ago
2.0 L of Carbon dioxide is heated from -25.0 °C to Standard Temperature.
RideAnS [48]

The final volume of the gas that was heated from -25.0 °C to standard temperature is 2.2L.

<h3>How to calculate volume?</h3>

The volume of a given gas can be calculated using the Charles law equation as follows:

V1/T1 = V2/T2

Where;

  • V1 = initial volume
  • V2 = final volume
  • T1 = initial temperature
  • T2 = final temperature

  • V1 = 2L
  • V2 = ?
  • T1 = -25°C + 273 = 248K
  • T2 = 273K

2/248 = V2/273

273 × 2 = 248V2

546 = 248V2

V2 = 546/248

V2 = 2.2L

Therefore, the final volume of the gas that was heated from -25.0 °C to standard temperature is 2.2L

Learn more about volume at: brainly.com/question/11464844

5 0
2 years ago
The rows of the periodic table are called groups because similar elements reside next to each other on the modern periodic table
forsale [732]

Answer:

True

Explanation:

The vertical columns on the periodic table are called groups or families because of their similar chemical behavior. All the members of a family of elements have the same number of valence electrons and similar chemical properties. The horizontal rows on the periodic table are called periods.

3 0
3 years ago
Read 2 more answers
why are plasmas of great interest to scientists or manufacturers. descride 2 current uses of plasmas and describe 1 way scientis
Helga [31]

<u>Answer:</u>

<u>Plasmas of great interest to scientists or manufacturers as</u>

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<u>Current uses of plasmas:</u>

  • First, it is used to make semiconductors for different types of electronic equipment
  • Secondly, they're used in making transmitters for high-temperature films.

<u>Way scientists and engineers hope to use plasmas in the future:</u>

  • The scientists are hoping to use plasma in the future to get rid of all hazardous wastes through a process called plasma gasification.

6 0
3 years ago
What is formula mass of glucose C2H12O6
Delvig [45]
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3 0
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