What is the difference between potential and kinetic energy

2 answers:

6 0

Potential energy is stored energy in something. For example, when a roller coaster is very high up on the track, it has a lot of potential energy before it goes down the track and continues going.

Kinetic energy is energy in motion. When the roller coaster goes down the track, that potential energy gets turned into kinetic energy.

erik [133]3 years ago

4 0

Potential energy is the stored energy in an object due of its position or its configuration where as Kinetic energy is the energy which a body possesses because of its motion.

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How many moles of H2 would be contained in 4.0 L of the gas at 202.6 kPa and 127°C?

kicyunya [14]

Use PV =nRT. Rearrange it to n = PV/RT.
P = 202.6 kPa
V = 4.0L
R = 8.314 kPa*L/mol*K
T = 127 °C + 273 = 400 K
Plug it in and solve. I got 0.24 moles of H2.

6 0

4 years ago

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What statement best describes solution

kirza4 [7]

Solution is a mixture of solvent and solute. Which dissove completely.

Examples of Solvent - Water

Solute - Salt

Solution - Salt solution

Together when the combines, it became a solution

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