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vlabodo [156]
3 years ago
8

Which of the following can be detected by forensic light sources

Chemistry
1 answer:
ss7ja [257]3 years ago
4 0

Answer:

A forensic light source is a crime scene investigator's and lab technician's tool for enhancing observation, photography and collection of evidence including latent fingerprints, body fluids, hair and fibers, bruises, bite marks, wound patterns, shoe and foot imprints, gun shot residues, drug traces, questioned

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How many protons electrons and neutrons does the following isotopes contain 1H+
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Answer: 1 proton, 0 electron and 1 neutron are present in 1 H⁺ isotope.

8 0
3 years ago
Imagine you are stranded in
jenyasd209 [6]

Explanation:

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5 0
2 years ago
Read 2 more answers
Calculate the formula mass of Cuso4​
Mandarinka [93]
Answer: 159.61 g/mol

Copper has a molar mass of 63.546 g/mol

Sulfur has a molar mass of 32.065 g/mol

Oxygen has a molar mass of 16 g/mol, multiply by 4 and it is 16 x 4 = 64 g/mol

63.546 + 32.065 + 64 = 159.61 g/mol
3 0
3 years ago
Carbon-14 has a half-life of 5,730 years. After how many half-lives will 120 grams of Carbon-14 decay to 15 grams?
Sergeu [11.5K]
After 17190 years, Carbon-14 will reach a mass of 15 grams.

Pi is your initial amount (120 grams)
0.5 as your exponential base represents your HALF life hence 0.5
t represents the time elapsed
c represents your given half life value of (5730)
P(t) represents the exponential function of your half life

120/2 =60
60/2 = 30
30 /2 = 15

As you can see above, 3 half lives of 5730 years EACH degraded the carbon-14 to 15 grams. You divide each number by two as it is a HALF life.

P(t)= Pi (0.5) ^t/c
P(17190) = 120 (0.5) ^17190/5730
P(17190) = 120 (0.5) ^3
P(17190) = 15 grams

So your answers should be 3 half lives or after 17190 years have elapsed!
5 0
4 years ago
PLEASE HELP ME!!! i have no idea how to answer these!
I am Lyosha [343]

Answer: Im answering this for points

DONT COME ON MY STUFF SAYING THAT I GOT SCHOOL TO DO JUST LIKE YOU AND YOUR GIVING ME IRRELEVANT ANWSERS JUST TO GET POINTS? THATS A WASTE OF MY TIME

Explanation:

7 0
3 years ago
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