Titanium metal requires a photon with a minimum energy of 6.94×10⁻¹⁹J to emit electrons. What is the wavelength of this light? E
xpress your answer using three significant figures.
1 answer:
Answer:2.86x10^-7m
Explanation:E=hc/^
E=6.94x10^-19J
c = 2.9979x10^8m/s
h= 6.626x10^-34Js
^ =( 6.626x10^-34)x( 2.9979x 10^8)/ 6.94x10^-19
= 2.86x10^-7m
You might be interested in
Answer:
B.
He is most likely finding the mean of the data.
Atoms like in chemistry class?
Answer:
<h2>belajar jangan malas malas</h2>
Answer:
2.2 moles H2O
Explanation:
, which rounds to about 2.2
