The combustion heat of hydrogeh (HHV) for 1 g is 141,8 kJ.
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They give energy to the cell.Energy is produced by respiration.
Calcium pyruvate increases your energy by boosting your metabolism. When your metabolism is boosted, fewer of your consumed starches and sugars are stored as fat as opposed to being burned off by your body. When more starch and sugar is burned off by your metabolism, your energy increases.
It is very good question indeed. Volume by volume two parts of hydrogen will burn in one part of oxygen.(Formula being 2H2 + O2 = H2O.) Mass for mass 212=4 to 16*2=32. 1 and 16 being mass number of hydrogen and oxygen. So 4 is to 32 means 1 is to 8 would be proportion mass by mass. After burning of hydrogen in oxygen, large amount of heat is produced and water is formed. To burn the hydrogen in oxygen you have to ignite the reaction in the form of spark, otherwise both of them will not burn and will remain as a mixture. Onceignitedthen further energy will be given by burning of gases. Now as water is already burn out product, it can not burn again. By burning wood, you get ash. You can not 'burn' the ash. So water is like 'ash' already burned out. And it consume lot of energy to get evaporated and easily available. So you use it to extinguish fire.
Dangerous in what way? hydrogen just being burned does not contribute to global warming, but what about 'making' the hydrogen? Does that use other fuels that contribute to global warming? Hydrogen is more explosive if that is what you mean by dangerous. Hydrocarbons burn to form carbon dioxide which contributes to global warming.
Hydrogen is being "burned" into helium.
The combustion of hydrogen requires oxygen, which is supplied by the surrounding air. When hydrogen is combusted, it reacts with oxygen in the equation: 2H2 + O2 --> 2H2O with water (H2O) being the product
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It depends upon the subsance being burned. Normally, the substance would end being some sort of oxide (O2 molecule being attached to the base molecule of what is being burned).
It's converted by the coal being burned.
"Burned up" typically refers to a feeling of being out of energy, having exhausted all of your resources.
It is released by being burned, or ignited.
Heat
The process of fusion. The sun makes heat by fusing hydrogen atoms. Hydrogen is the lightest element, and in the process of fusion, the lighter the element being fused, the more energy (heat) is produced.
it is formed by being burned which causes heat, which can also be converted into motion energy.
chemical potential energy (in the fuel being burned) to heat (thermal) energy and a little light energy.
The energy emitted form the Sun is generated in the core of the Sun, where Hydrogen is being fused into Helium. This process involves the conversion of 400 tons of mass into energy every second and E=MC2 means that there is alot of energy produced and this makes the Sun hot.