Answer:
A and D
Explanation:
I took the test, and choose both B and C and got it wrong
Answer:
a.The waves are absorbed or reflected to capture images
Explanation:
How Things Work: TSA scanners use electromagnetic waves for detection. ... These waves are bounced off the body of the person being scanned to create a three-dimensional image on the computer. The backscatter units instead bounce low-level electromagnetic X-rays off the body to create an image on the computer
The correct answer should be C) because each elements atomic mass goes up in the columns as you go from left to right.
PH= log[H3O+]
10.25=log [H3O+]
[H3O+] = 10^10.25
[H3O+]= 1.778 ×10^10
Mole number of 75 g is 0.4 mol. NO2 is 0.8 mol and is 36.8 g.