2Na + I2 —> 2NaI
No. of mol of 4.0g I2 = 4/(35.5x2) = 0.0563
No. of mol of NaI = 2 x 0.0563 = 0.113
No. of molecules of NaI = 0.113 x 6.02 x 10^23 = 6.78 x 10^22
Answer:
c. abc₃
Step-by-step explanation:
1. a atoms
There are eight corners, each containing an a atom.
No. of a atoms = 8 × ⅛
No. of a atoms = 1
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2. b atoms
There is one central b atom.
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3. c atoms
There are six faces, each containing a c atom.
No. of a atoms = 6 × ½
No. of c atoms = 3
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4. Formula
The simplest formula is abc₃.
Answer:
B. honey dissolving in tea
Explanation:
Answer:
freezing
Explanation:
The process in which a liquid changes to a solid is called freezing or solidification. Energy is taken away during freezing.
