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Lena [83]
2 years ago
7

Carla is working as a forensic investigator who specializes in specific time of death analysis. She is called into the lab to he

lp determine the time of death for a recent body that was found. An autopsy was already performed, and some information was recorded by investigators at the scene when the body was discovered. When she arrives at the lab Tuesday evening, she learns the body was found on the kitchen floor yesterday, Monday, at 5 p.m. On the table was that morning’s paper open to the sports section and a half full cup of coffee. Based on the information provided, what is an appropriate estimate for approximate time of death?
1. 8 a.m. Monday
2. 3 p.m. Monday
3. 8 a.m. Sunday
4. 10 p.m. Saturday
Chemistry
1 answer:
gregori [183]2 years ago
8 0

Answer:

3 p.m most probably.

Explanation:

They found it at Monday 5 pm so its done before that time so its 3 p.m

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The total momentum of a group of objects remains________ unless outside forces act on the group.
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Answer:

<em><u>constant</u></em>

Explanation:

In consideration of the conservation principle of linear momentum

8 0
2 years ago
K2so4 is a strong electrolyte. determine the concentration of each of the individual ions in a 0.450 m k2so4 solution.
amid [387]

<em>Answer:</em>

  • Conc. of K+ ions = 0.90 M
  • Coc. of SO4∧-2 = 0.45 M

<em>Explanation:</em>

<em>Data Given:</em>

Conc. of H2SO4 = 0.450

As sulphoric acid is a strong electrolyte, it completely dissociate into ions.

H2SO4 ⇆   2K+   +   SO4∧-2

.450 M K2SO4 means that there is .450 mols of K2SO4 in every liter of solution.

                      K2SO4  :  K+                                          K2SO4  : SO4∧-2

                          1      =     2                                                   1     =    1

                     0.450   =   2× 0.450 = 0.90                     0.450 =  0.450×1 = 0.450

<em> Result:</em>

Conc. of potassium ion will be 0.90M    

Coc. of sulphate ions will be 0.45 M

8 0
3 years ago
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Percent composition by mass of oxygen =
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8 0
3 years ago
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Intermolecular forces are the forces of attraction or repulsion which act between neighboring particles (atoms, molecules, or ions ). These forces are weak compared to the intramolecular forces, such as the covalent or ionic bonds between atoms in a molecule.
8 0
3 years ago
1. Naturally occurring europium (Eu) consists of two isotopes was a mass of 151 and 153. Europium- 151 has an abundance of 48.03
sergejj [24]
The atomic mass of Europium is 152 amu

Work:
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153(0.5197) = 79.5 amu
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3 0
3 years ago
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