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Why hydrogen has a higher energy content per kilogram than natural gas but not per cubic foot?
Wiki User
∙ 14y ago
I don't know whether this is so, but it may well be. This is related to the low density of hydrogen. A kilogram of hydrogen takes up much more space than a kilogram of natural gas.
Wiki User
∙ 14y ago
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Why does hydrogen have a higher energy content per kilogram than natural gas but a lower energy content per cubic foot. How can this be consistent?
Hydrogen is approximately 10 times less dense than natural gas. Simply, there is less hydrogen in a given volume than there would be natural gas.
Is kilocalories heat content of food or energy content of food?
It could be either; but when you are talking about food, what is of interest is usually the energy content - meaning, chemical energy stored in the food. Heat IS energy, and a kilocalorie is the energy required to heat one kilogram of water by one degree Celsius.
How many joules in a kilo of coal?
The energy content of coal can vary, but on average, one kilogram of coal contains around 24 megajoules (MJ) of energy.
How much energy is used per kilogram?
More information is required. What energy is used in what process, per kilogram of what?
How many megajoules of energy is there per kilogram of LPG?
Liquefied petroleum gas has 49 megajoules of energy per kilogram.
Why does hydrogen have a higher energy content per kilogram than natural gas but a lower energy content per cubic foot. How can this be consistent?
Hydrogen is approximately 10 times less dense than natural gas. Simply, there is less hydrogen in a given volume than there would be natural gas.
Is hydrogen a natural or synthetic element?
No, since there is little or no free hydrogen on Earth. (plenty in the sun, and it is a natural resource there.) There is bound hydrogen on Earth (mostly water), but the energy required to extract it is greater than the energy it gives up in burning.
Is kilocalories heat content of food or energy content of food?
It could be either; but when you are talking about food, what is of interest is usually the energy content - meaning, chemical energy stored in the food. Heat IS energy, and a kilocalorie is the energy required to heat one kilogram of water by one degree Celsius.
What are the advantages of propane over natural gas?
Higher energy content
How many joules in a kilo of coal?
The energy content of coal can vary, but on average, one kilogram of coal contains around 24 megajoules (MJ) of energy.
Why is hydrogen a renewable fuel?
Hydrogen is not a renewable fuel. It is a secondary energy source (or an energy carrier) that could be produced using another primary energy source. Hydrogen could be produced using either renewable primary energy source (e.g. solar energy), nuclear energy, or by using fossil fuel (e.g. natural gas)
Why hydrogen is not commercially used as a source of energy?
It is not economical compared with other sources of energy. First of all molecular hydrogen (H2) only exists on earth in small quantities, so you have to make it from other sources. Most generally this would be made from natural gas (mostly CH4). But 'burning' natural gas to make hydrogen for fuel doesn't make any sense, as the energy density (per volume at standard temperature and pressure) of natural gas is better than hydrogen so why not just use natural gas in your device in the first place?
How much energy can gasoline produce?
According to Wikipedia, "Gasoline contains about 42.4 MJ/kg ... Gasoline blends differ, and therefore actual energy content varies... by up to 4% more or less than the average" Please note that that's the energy content per kilogram of gasoline; only a fraction of this is converted into useful energy in a car engine.
Why does hydrogen burns?
Hydrogen burns because the energy released from the H-O bonds it forms with water is greater than the energy required to break the H-H and O=O bonds in molecular oxygen and hydrogen. 2 H2 + O2 ---> 2 H2O
How much energy is used per kilogram?
More information is required. What energy is used in what process, per kilogram of what?
What is the energy source for hydrogen?
the energy source for hydrogen is semen ;)
How does temprature differ from thermal energy?
Temperature is a sensible heat measurement readable on a thermometer, measured in degrees. Thermal energy is the heat content of a material measured in heat units, often btus, calories, or kilogram-joules.
