Answer:
The correct answer is - Orange light reflected from the t-shirt enters human eyes.
Explanation:
Human eyes and brain are altogether able to detect the color of the object by translating the light which is reflected by the object and transmitted by the light receptors in the eyes ad brain translate light to color.
The objects are able to absorb some colors and reflect others on the basis of their wavelength, The reflected colors are detected by our eyes and brain and objects appear to be a particular color. like here, the orange color is reflected by the t-shirt and enters in human eyes.
<span><span>Atomic number36,</span><span>Atomic mass<span>83.80 g.mol -1,</span></span><span>Density<span>3.73 10-3 g.cm-3 at 20°C,</span></span><span>Melting point- 157 °C,</span><span>Boiling point<span>- 153° C</span></span></span>
<u>First part:</u>
2 atoms of Na
6 atoms of N
<u>Second part:</u>
2 atoms of N
2 atoms of Na
Why?
We are given the chemical reaction, so, we can extract the number of atoms for both reactants and products.
We are given the chemical equation:
We can rewrite it as follow:
From the reactants, we have:
From the products we have:
Hence, we have that:
There are <u>6 atoms of N in the reactants</u> and <u>6 atoms of N in the products.</u>
and
There are <u>2 atoms of Na in the reactants</u> and<u> </u><u>2 atoms of Na in the products</u> since we have a balanced equation.
Have a nice day!
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