Questions

What material has the highest energy density?

What material has the highest energy density?

The highest energy density fuel is hydrogen, which is also the simplest chemical component in existence. Gasoline, which is derived from refining crude oil, contains much more energy than coal (twice the lower grade bituminous) or wood (three times).

Which fuel has highest energy per unit mass?

Energy density can be measured in energy per volume or per mass. The higher the energy density of a system or material, the greater the amount of energy it has stored….Fuel energy density.

Fuel Energy density
Crude oil 44 MJ/kg
Diesel 45 MJ/kg
Gasoline 46 MJ/kg
Natural gas 55 MJ/kg

Which state of matter has the most energy?

solid
Solids have a definite shape. They keep their shape no matter where they are. Matter in its liquid state has a medium amount of thermal energy than when it is a solid. Because liquids have more thermal energy than solids, they move differently than solids.

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What is volumetric energy density?

Definition: amount of energy (KJ, cal, BTU) in a certain volume (m3, L, gal) for a given material.

Which fuel has highest specific energy?

diesel
Which of the fuel does have highest specific energy? Explanation: Specific energy is the amount of energy liberated after combustion, as among these diesel liberated the highest amount of energy which is 48 MJ/kg. 5.

What has the greatest amount of energy?

Solid particles have the least amount of energy, and gas particles have the greatest amount of energy.

Which has greatest potential energy?

Higher objects (with further to fall) have greater potential energy. The heaviest of 2 objects at the same height has the greatest gravitational potential energy.

Why is energy density so important in the transportation of fuels?

Energy stored in a given volume of fuel – higher volume-energy density means less space is require to store the fuel in the vehicle, which can result in less space needed for a fuel storage facility on the vehicle.

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Which quantity has same unit as energy?

Work
Work has the same unit as energy. The SI unit of both Work and energy is Joules(j).

What physical quantity has the same unit as energy?

work
So, we can say that their units must be the same as the energy is what is lost or gained by doing work on an object or by the object. Note: The SI unit of both the work and energy is Joule. The dimension of both quantities is also the same because their units are the same. The dimension of work and energy is [ML2T−2].

How does energy density affect the amount of energy stored?

The higher the energy density of a system or material, the greater the amount of energy stored in its mass. Energy can be stored in many different types of substances and systems.

What is the greatest energy source in the universe?

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The greatest energy source by far is mass itself. This energy, E = mc2, where m = ρV, ρ is the mass per unit volume, V is the volume of the mass itself and c is the speed of light.

What are the different types of energy stored in materials?

There are different types of energy stored in materials, and it takes a particular type of reaction to release each type of energy. In order of the typical magnitude of the energy released, these types of reactions are: nuclear, chemical, electrochemical, and electrical.

What type of energy is stored in a capacitor?

The energy stored in a capacitor is electrostatic potential energy and is thus related to the charge Q and voltage V between the capacitor plates. A charged capacitor stores energy in the electrical field between its plates. As the capacitor is being charged, the electrical field builds up.