Answer:
The answer to your question is CH₄ + 2O₂ ⇒ CO₂ + 2H₂O
Explanation:
Data
Methane = CH₄
Oxygen = O₂
Process
A combustion reaction is a kind of chemical reaction in which an organic compound reacts with oxygen to generate water and carbon dioxide.
Chemical reaction
CH₄ + O₂ ⇒ CO₂ + H₂O
Reactants Elements Products
1 C 1
4 H 2
2 O 3
Balanced chemical reaction
CH₄ + 2O₂ ⇒ CO₂ + 2H₂O
Reactants Elements Products
1 C 1
4 H 4
4 O 4
The balanced chemical equation for the combustion of methane is CH4 + 2O2 -> CO2 + 2H2O. This equation shows that a methane molecule reacts with two oxygen molecules to produce a carbon dioxide molecule and two water molecules while maintaining a balance as per the Law of Conservation of Mass.
The combustion of methane occurs when methane gas (CH4) combines with oxygen (O2) to produce carbon dioxide (CO2) and water (H2O). This reaction can be represented by the following balanced chemical equation:
CH4 + 2O2 -> CO2 + 2H2O
This means that one molecule of methane reacts with 2 molecules of oxygen to produce one molecule of carbon dioxide and two molecules of water. The chemical equation is balanced, meaning that the number of atoms of each element is the same on both sides of the equation as required by the Law of Conservation of Mass.
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Answer : A substance that can donate a pair of electrons to form a covalent bond is known as a(n) Lewis-base.
Explanation :
According to the Lewis acid-base theory,
Lewis acid : It is a substance that can accepts pairs of electrons to form a covalent bond.
Lewis-base : It is a substance that can donates pairs of electrons to form a covalent bond.
For example :
In this reaction, ion is Lewis-acid and ion is a Lewis-base. The ion donates electrons to ion to form .
Hence, a substance that can donate a pair of electrons to form a covalent bond is known as a(n) Lewis-base.
A substance that can donate a pair of electrons to form a covalent bond is known as a Lewis base. It is any substance that can donate a pair of nonbonding electrons. The Lewis theory suggests that acids react with bases to share a pair of electrons with no change of oxidation numbers of any atoms.
8.35 g of Al2(SO4)3
3.8 g of FeSO4
Answer : The radiation which is smallest in the size is, Gamma radiation.
Explanation :
Alpha particle : It is also known as alpha radiation or alpha ray that consists of 2 protons and 2 neutrons that are bound together into a particle that is identical to the helium nucleus. It is produced in the process of alpha decay.
Beta particle : It is also known as beta radiation or beta ray. During the beta decay process, a high energy and speed electron or positron are emitted by the radioactive decay of atomic nucleus.
Gamma particle : It is also a gamma radiation or gamma ray that is arising from the radioactive decay of atomic nuclei. It has shortest wavelength waves and imparts high photon energy can pass through most forms of matters because they have no mass.
The increasing order of the particle size of the alpha, beta and gamma particles will be :
Gamma particle < Beta particle < Alpha particle
Hence, the radiation which is smallest in the size is, Gamma radiation.
B. chemical change because a new substance is forming with new properties.
Answer : The atmospheric pressure of water if boiling at 81 °C will be 369 mmHg.
Explanation : The vapor pressure of boiling water can be calculated using the Antoine Equation:
log P = A - ,
where P is the pressure in mmHg,
A = 8.07131,
B = 1730.63
C = 233.426
and T = temperature in °C (81°C)
Substituting the given values, we get,
Log P = 8.07131−
Therefore, Log P =8.07131 − 5.5041 = 2.567.
Now, P = =369 mmHg.
Hence, the atmospheric pressure will be 369 mmHg.