Answer: 
Explanation: According to law of conservation of mass, mass can neither be created nor be destroyed.
Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.
This is an example of combustion reaction in which hydrocarbon reacts with oxygen to form carbon dioxide and water. This is an exothermic reaction in which a large amount of heat is liberated, thus water also exists as vapors.
Answer: The frequency of this light is 
.
Explanation:-
To calculate the frequency of light, we use the equation:
where,
= wavelength of the light =
c = speed of light = 
= frequency of light = ?
The frequency of this light is .
Answer:
Shiny like a limousine
You're spending like a cash machine
Smile, show your golden teeth
That's how you cover up your cavities
You're glowing like a diamond ring
I saw you bought some other things
You're spending like a cash machine
To cover up your insecurities
Don't front, no need ty67t6767
Explanation:
My best bet is e because look how it is formed
There are three valence electrons in an atom of Aluminum (Al).
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Al · or : Al : ·
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The answer is B.
