a major element necessary to produce complete combustion based on the heat of combustion?
1. a major element necessary to produce complete combustion based on the heat of combustion?
oxygen is needed in combustion
2. is combustion a method of heat transfer?
Answer:
Heat Transfer
How much heat is required to ignite forest fuels? Vegetative material such as forest fuels ignites at relatively low temperatures provided the amount of moisture in the fuel is low and it is exposed to the air so that sufficient oxygen is available. Actual heat requirements for ignition of dead forest fuels varies from about 500� to 750� F. Many common ignition sources will provide enough heat including a burning match and even a glowing cigarette when in contact with fine fuels that are dry.
IGNITION TEMPERATURE FOR DRY FOREST FUELS = 500� - 750� F.
We know of many methods where heat can be applied to forest fuels to start the combustion process; but how is the process continued? A fire spreads by transferring heat energy in three ways: Radiation, Convection, and Conduction.
3. Is oxygen included in heat of combustion?
Answer:Yes
Explanation:
Because, combustion is a chemical reaction between at subtance Combustion are usually included the oxygen and accompanied by the next generation of the heat and light in the form of the flameMore info
Heat are given of when one mole of substance is burnt and its completely in axcess of oxygen[tex] \huge\pink{\overline{\quad\quad\quad\quad\quad\quad\quad\quad\quad}}[/tex]
A True Love Was Not Found In February 14 But It's Found In JOHN 3:16
4. discuss briefly the application of the heat of combustion in the field of engineering
Answer:
in boiler
in ic engines
in heat engines
5. aside from fuel or material,_____ and heat must be present for the combustion to occur
Answer:
Oxygen
Explanation:
Common sense.
6. When a combustible materials is heated, it burn. True or lie
Answer:
True
Explanation:
7. What are the objectives in performing heat of combustion?
Heat-Cold It has Example Good Luck and Combusition Is in Heat
8. How heat engines work? Direction: Using a double bubble map, compare and contrast the similarities and differences of internal combustion engines and external combustion engines. Internal combustion External combustion engines engines
Answer:
A heat engine is a type of engine, (like the motor in a car) that produces macroscopic motion from heat. When people rub their hands together friction turns mechanical energy (the motion of our hands) into thermal energy (the hands get warmer).
Explanation:
hope it's help
9. side from fuel or material,_____ and heat must be present for the combustion to occur
side from fuel or material,oxygen and heat must be present for the combustion to occur
10. aside from fuel or materials and heat must be present combustion to occur
Answer:
Three things are required in proper combination before ignition and combustion can take place---Heat, Oxygen and Fuel. There must be Fuel to burn. There must be Air to supply oxygen. There must be Heat (ignition temperature) to start and continue the combustion process.
Explanation:
BRAINLIEST PLEASE
11. It is substance that is combustible and produces heat when it is burned
Answer:
A fuel is any material that can be made to react with other substances so that it releases chemical or nuclear energy as heat or to be used for work. The heat energy released by reactions of fuels is converted into mechanical energy via a heat engine.
12. Aside from fuel are materials____and heat must be present for the combustion to occur___
Explanation:
Oxygen
Why? Because Oxygen can makenergy to make fuel like coal
13. Heat of combustion of lauric acid equation
The combustion of lauric acid is given by the following thermochemcial equation: CH3(CH2)10COOH(s) + 18 O2(g) → 12 H2O(l) + 12 CO2(g) AH combº is -7377 kJ mol-1 Using the heats of formation for CO2(g) and H2O(l) calculate the heat of formation (44H®) of lauric acid. AH° CO2(g) = -393.5 kJ mol-1 AH° H2O(l)= -285.8 kJ mol-1
Answer:
The combustion of lauric acid is given by the following thermochemical equation: CH3 (CH2) 10COOH (s) 12 H2O (I) + 12 CO2 (g) AH comb° is -7377 mol-1 using the heats of formation for CO2(g) and H2O (I) calculate the heat of formation (44H®) of lauric acid.
14. it is a substance that is combustible and produce heat when it burned?
Answer:
Fuel
Explanation:
A fuel is any material that can be made to react with other substances so that it releases chemical or nuclear energy as heat or to be used for work. The heat energy released by reactions of fuels is converted into mechanical energy via a heat engine.
Hope It Helps:)
#Brainliest➿ SCIENCE ➿[tex]\huge\color{purple}\boxed{Question:}[/tex]
It is a substance that is combustible and produce heat when it burned?
[tex] \huge\color{black}{\overline{\qquad\qquad\qquad\qquad \: \: \: }}[/tex]
[tex]\rm\purple{\overbrace{\underbrace{\tt\color{black}{ \: \: \: \: \: \: \: \: \: \: Answer: \: \: \: \: \: \: \: \: \: \: }}}}[/tex]
Fuel[tex] \huge\color{black}{\overline{\qquad\qquad\qquad\qquad \: \: \: }}[/tex]
[tex] \huge\purple{Explanation:}[/tex]
A fuel is any material that can be made to react with other substances so that it releases chemical or nuclear energy as heat or to be used for work. The heat energy released by reactions of fuels is converted into mechanical energy via a heat engine.
[tex] \huge\color{black}{\overline{\qquad\qquad\qquad\qquad \: \: \: }}[/tex]
#CarryOnLearningWed, April 6, 2022
@HermioneJeanGranger
15. What does greater heat of combustion mean?
Answer:
If equal quantities of two isomeric hydrocarbons burn to produce equal amount of carbon dioxide and water., the one releasing more energy(i.e., with the higher heat of combustion) is the less stable, since it was the more energetic in its compounded form.
Explanation:
hope it helps
16. In combustion oxygen, fuel and heat are needed if one of these is not present combustion will not occur. true of false
Answer:
true yuh yuh yuh
Explanation:
Oxygen supports the chemical processes that occur during fire. When fuel burns, it reacts with oxygen from the surrounding air, releasing heat and generating combustion products (gases, smoke, embers, etc.). This process is known as oxidation.
17. When oxygen combines with another substance (as fuel) and produces fire with heat and light, combustion occurs. The following are always present in combustion EXCEPT: A. oxygen B. fuel C. heat D. carbon dioxide
Answer:
D. carbon dioxide
Explanation:
Oxygen, heat, and fuel are frequently referred to as the "fire triangle." Add in the fourth element, the chemical reaction, and you actually have a fire "tetrahedron." The important thing to remember is: take any of these four things away, and you will not have a fire or the fire will be extinguished.
pa brainliest po
18. A _________ is a substance that is combustible and produces useful heat when burned
Answer:
Fuel
HOPE IT HELPS!!<3
PABRAINLIEST PO
19. Aside from fuel or materials ,_____ and heat must be present for the combustion to occur
Answer:
I think it is gas baka namamasakali Lang
20. what quantity of heat is associated with the complete combustion of 1kg sucreose
The free energy released in oxidizing glucose by oxygen is ≈ -3000 kJ/mol (BNID 103388 and http://equilibrator.weizmann.ac.il/classic_reactions). Expressed in other units this is ≈ -700 kcal/mol, or ≈ -1200 kBT, where a kcal is what people often count Calories (capitalized). As is clear from the schematic showing the range of biological energy scales at the beginning of this chapter, this energy is at the high end of the scale of molecular energies. To get a better idea for how much energy this is, let’s think about the delivery of useful work from such reactions. One of the ways of reckoning the potential for useful work embodied in this energy release is by examining the number of ATP molecules that are produced (from ADP and Pi) in the series of reactions tied to combustion of sugar, also known in biochemical lingo as cellular aerobic respiration. The cell’s metabolic pathways of glycolysis, the TCA cycle and the electron transfer chain couple the energy release from combustion of a single molecule of glucose to the production of roughly 30 ATP molecules (BNID 101778), sufficient energy to permit several steps of the molecular motors that drive our muscles or to polymerize a few more amino acids into a nascent polypeptide.
21. What is the heat of combustion per mole of quinone?
Answer:
-2700 kJ/mol.
Explanation:
The molar heat of combustion of quinone is -2700 kJ/mol.
22. it is a substance that is combustible and produces heat when it is burned
Answer:
FUEL
Explanation:
A fuel is any material that can be made to react with other substances so that it releases chemical or nuclear energy as heat or to be used for work. The heat energy released by reactions of fuels is converted into mechanical energy via a heat engine.
23. what is heat of combustion chemical or physical
Answer:
Combustion, with rare exceptions, is a complex chemical process involving many steps that depend on the properties of the combustible substance. It is initiated by external factors such as heat, light, and sparks. The reaction sets in as the mixture of combustibles attains the ignition temperature.
Answer:
Physical
Explanation:
Sana makatulong
24. An experiment was conducted to determine the enthalpy of combustion of liquid methanol.
Answer:
An experiment was conducted to determine the enthalpy of combustion of liquid methanol. The energy obtained from burning 2.12g of methanol was used to heat 150g of water. The temperature of the water rose from 298K to 362K. (The specific heat capacity of water is 4.18JK-1g-1).
25. 1. transfer of heat in solidsa. radiationb.insulatorc. conductord. conductione. combustionf. convection2. transfer of heat inliquid or gasa. radiationb.insulatorc. conductord. conductione. combustionf. convection3. transfer of heat through spacesa. radiationb.insulatorc. conductord. conductione. combustionf. convection4. material that allows heat to pass trhougha. radiationb.insulatorc. conductord. conductione. combustionf. convection5. Material that does not allow heat to pass througha. radiationb.insulatorc. conductord. conductione. combustionf. convection
Answer:
1:radiation
2convection
3insulator
4conduction
5radiation
26. heat of combustion of ethane, C2H6 (MW = 30), is 1560 kJ/mol. How much is heat in kJ would be generated if 50 g ethane undergoes complete combustion?
Answer:
34 degrees of temperature
27. it is the most common source of heat in combustion reaction?
Answer:
Chemical Heat Energy
#CarryOnLearning
28. It is substance that is combustible a not produces heat when it is burned
Answer:
combustion
hope it helps
pa brainliest po
29. a heat engine converts heat energy from fuel combustion or any other source into wich
Answer:
A heat engine gives mechanical work as output. In a heat engine, input is given in the form of heat and this heat is converted into mechanical work.
30. true or false in combustion ,oxygen ,heat and water are always present.
Answer: false
Explanation: Water is not part of combustion. Water should be replaced by fuel
