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Formation of manure from leaves is a physical change?
Farmyard manure creates heat energy from decomposition of leaves. There is also physical change because the leaves' structure is broken down. The main factors for producing good manure are: water, which is already part of the manure; heat, which is generated by the decomposing leaves; and air, which is needed to aid the decomposition, because decomposition is a very slow form of "burning". Quite a high temperature can be generated in a manure heap or a compost heap.
Why is heat not a matter?
Heat does not occupie space, and does not have definite volume, so it is not a matter!!!!^_^
What pure substance can be broken down by heat?
Carbon into carbon monoxide and carbon dioxide
Why do gardeners add water to their compost heap from time to time?
To cause the material to heat up and aid decomposition.
What is thermal decomposition?
in English it is basically breaking something down using heat --------------- Thermal decomposition is a chemical reaction of decomposition under the effect of high temperature: the compound breaks down into other substances when it is heated. For example: copper(II) sulfide when heated produces copper + sulfur dioxide
Is petroleum matter?
Yes, petroleum is considered a type of organic matter derived from the decomposition of organic materials such as plankton and algae. It is a fossil fuel formed over millions of years through geological processes involving heat and pressure.
Why is decomposition of vegetable matter considered exothermic?
Decomposition of vegetable matter is considered exothermic because it releases energy in the form of heat as organic compounds break down into simpler substances. This process involves chemical reactions that release energy stored in the bonds of organic molecules as they are broken apart, leading to an overall increase in temperature in the surrounding environment.
Does heat help decomposition?
Yes, heat can help speed up the decomposition process by increasing the activity of microorganisms that break down organic matter. However, extremely high temperatures can also kill off these microorganisms and slow down decomposition. The optimal temperature for decomposition usually ranges between 90-140°F (32-60°C).
Why is decomposition of vegetable matter into compost considered to be exothermic?
The decomposition of vegetable matter into compost involves microbial activity breaking down organic matter. This process releases energy in the form of heat, making it exothermic. The heat generated helps to speed up the decomposition process and create a nutrient-rich compost.
Organic matter that can be a source of energy?
Organic matter such as plants, animals, and their byproducts can be a source of energy through processes like combustion (burning for heat or power generation) or decomposition (producing biogas or biofuels). This organic material contains stored energy from the sun, which can be released through various conversion methods to provide heat, electricity, or transportation fuels.
Describe the energy conversions involved in the formation of coal?
Coal is formed from the decomposition of organic matter buried deep underground over millions of years. The process involves the conversion of solar energy into chemical energy through photosynthesis in plants, which is then transformed into potential energy as the organic matter is buried and compressed. Finally, when coal is burned, the potential energy is converted into thermal energy and released as heat.
How does energy from the sun become stored oil?
Oil is formed from organic matter like plankton and algae that is buried and exposed to heat and pressure over millions of years. This organic matter originally obtained its energy from the sun through photosynthesis. The transformation process involves the decomposition of the organic material into compounds that eventually become oil.
Why is decaying matter warm?
The chemical processes involved in decomposition generate heat.
Is petroleum a compound?
No, a mixture.
How do petroleum and natural gas mainly form?
Petroleum and natural gas form from organic matter, such as plankton and algae, that is buried and subjected to heat and pressure over millions of years in Earth's crust. The decomposition of this organic matter under high temperatures and pressures creates hydrocarbons, which eventually accumulate in reservoirs underground.
What energy transformation occurs as biomass decays in a compost bin?
The energy transformation that occurs as biomass decays in a compost bin is the conversion of chemical energy stored in the organic matter into heat energy through the process of decomposition. This heat energy contributes to the breakdown of the organic material and the transformation into nutrient-rich compost.
How is heat generated within a compost heap?
Heat is generated in a compost heap through the microbial activity of bacteria, fungi, and other organisms breaking down organic matter. As these microorganisms consume organic materials, they release energy in the form of heat through their metabolic processes. The heat produced accelerates the decomposition process, helping to break down the organic matter into nutrient-rich compost.
