Answer:
A: Entropy tends to increase in a system
ANSWER:
balanced equations are:
Mg + 2 HCl ----> MgCl2 +H2
and
2 NaCl ----> 2 Na + Cl2.
EXPLANATION : SEE PICS
ANSWER
The wavelength of the earthquake wave is 1000 m
EXPLANATION
From the question;
the speed,
frequency,
The relationship between wavelength,frequency and speed of a wave is given as
This implies that,
Hence the wavelength of the earthquake wave is