2Na + Cl₂ → 2NaCl
Explanation:
The reaction of sodium metal with chlorine gas to produce sodium chloride is a typical example of synthesis reaction.
Combination or synthesis involves the formation of a single product from two or more reactants.
A + B ⇒ C
In this kind of chemical reaction, a single product is formed or some compounds by the union of elements is notable.
The driving force for this category of chemical reaction is the large and negative heat of formation of the product.
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Answer:
D.
Explanation:
To solve the problem it is necessary to apply the concepts of Destructive and constructive interference. The constructive interference in tin film is given by

Where,
t = thickness
Wavelenght
m= is an integer
n= film/refractive index
We use this equaton because phase change is only present for gasoline air interface, but not at the gasoline-water interface. <em>The minimum t only would be when the value of m=0 then</em>



Therefore the correct answer is D. The minimum thickness of the film to see ab right reflection is 100nm
P U S S Y
<span>Joy is planning to purchase a sweater that costs $30 dollars at her local department store. The sweaters are on sale for 20% off. Which steps are needed to find the sale price of the sweater?</span>