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Bingel [31]
4 years ago
5

If a gun is found in water, what should investigators do to transport it to the lab?

Chemistry
2 answers:
GREYUIT [131]4 years ago
8 0
<span>Most items of evidence will be collected in paper containers such as packets, envelopes, and bags. Liquid items can be transported in non-breakable, leakproof containers. Arson evidence is usually collected in air-tight, clean metal cans. Only large quantities of dry powder should be collected and stored in plastic bags. Moist or wet evidence (blood, plants, etc.) from a crime scene can be collected in plastic containers at the scene and transported back to an evidence receiving area if the storage time in plastic is two hours or less and this is done to prevent contamination of other evidence. Once in a secure location, wet evidence, whether packaged in plastic or paper, must be removed and allowed to completely air dry. That evidence can then be repackaged in a new, dry paper container. UNDER NO CIRCUMSTANCES SHOULD EVIDENCE CONTAINING MOISTURE BE PACKAGED IN PLASTIC OR PAPER CONTAINERS FOR MORE THAN TWO HOURS. Moisture allows the growth of microorganisms which can destroy or alter evidence.

</span>
sdas [7]4 years ago
5 0
Keep the gun in some of the water, the prints could still be on the gun if any crime was done. drying it out will only add prints to it. 
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Is nuclear waste and radioactive waste the same thing?
ElenaW [278]

Answer: yes

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3 0
3 years ago
The normal boiling point of cyclohexane is 81.0. What is the vapor pressure of cyclohexane at 81.1
snow_lady [41]

Answer:

1 atm  

Explanation:

The normal boiling point of a liquid is temperature at which the vapour pressure of the liquid equals 1 atm.  

If the normal boiling point of cyclohexane is 81.0 °C, the vapour pressure of the liquid is 1 atm.

The graph below shows that the vapour pressure of cyclohexane reaches 1 atm at about 81 °C.

8 0
3 years ago
Two atoms of the same element having the same mass but different number of electrons
Mila [183]
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6 0
3 years ago
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egoroff_w [7]
I really don't know so sorry
7 0
3 years ago
How many molecules are in 25g of Na2SO4? POINTS!! Please help! Im so frustrated.
erik [133]
Hey there!

Molar mass Na2SO4 = <span>142.04 g/mol

Number of moles:

n = m / mm

n = 25 / 142.04

n = 0.176 moles of Na2SO4

Therefore, </span>use the Avogadro constant


1 mole Na2SO4 ------------------- 6.02x10²³ molecules
0.176 moles Na2SO4 ------------   molecules ??


0.176  x  ( 6.02x10²³ ) / 1 

=> 1.059x10²³ molecules of Na2SO4

hope this helps!
6 0
4 years ago
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