A blank reaction occurs when a substance, usually containing carbon, reacts with oxygen to produce energy in the form of heat an
2 answers:
<u>Answer:</u> The reaction is known as combustion reaction.
<u>Explanation:</u>
Combustion reaction is defined as the reaction in which a hydrocarbon reacts with oxygen molecule to produce carbon dioxide gas and water molecule.
For Example: The chemical equation representing the combustion of methane gas follows:
By Stoichiometry of the reaction:
1 mole of methane gas reacts with 2 moles of oxygen gas to produce 1 mole of carbon dioxide gas, 2 moles of water with the release of heat.
Hence, the reaction is known as combustion reaction.
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Answer:
2.068 x 10^6 m / s
Explanation:
radius, r = 5.92 x 10^-11 m
mass of electron, m = 9.1 x 10^-31 kg
charge of electron, q = 1.6 x 10^-19 C
As the electron is revolving in a circular path, it experiences a centripetal force which is balanced by the electrostatic force between the electron and the nucleus.
centripetal force =
Electrostatic force =
where, k be the Coulombic constant, k = 9 x 10^9 Nm^2 / C^2
So, balancing both the forces we get
v = 2.068 x 10^6 m / s
Thus, the speed of the electron is give by 2.068 x 10^6 m / s.