Substance a is a base, and substance b is an acid
The equation is
W = C/F
W= 3.00 x 10^8 m/sec
——————————
6.165 x 10^14 Hz
W= 4.87 x 10^-7 m
Energy is
E=hF
E= (6.626 x 10^-34 Jxsec )(6.165 x 10^14 Hz)
E= 4.085 x 10^-19 J
Answer:
To keep a record of who has the evidence and when
Explanation:
Don't want anyone tampering with it, hope this helps!!!
The answer is <span>Beijing, China</span>
