What happens when calcium reacts with chlorine?
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Ответ:
Electrons move from the calcium atoms to the chlorine atoms.
Explanation: A P E X
Ответ:
They create calcuim chloride, CaCl2
Ответ:
Explanation:
A cylindrical pipe that is open at one end and closed at the other, is considered a close pipe.
For a close pipe, the frequency of normal modes are given by:
Where,
n is the number of the normal mode (3 in this case).
V: is the sound speed.
L: is the pipe length.
Thus, the frequency for the third normal mode of vibration is given by:
The wavelength, can be calculated as: