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Alborosie
3 years ago
14

What do you think would be the most challenging part of investigating a fire or explosion crime scene? Why?

Chemistry
1 answer:
Lena [83]3 years ago
7 0

Answer:

I think finding the source of the fire would be the most difficult aspect seeing as though the fire would have burned any evidence

Explanation:

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If two gases a and b in separate 1 liter containers
Anton [14]

The pressure exerted when both gases are put together in a single 1 liter container is 5 atm.

<h3>What is pressure?</h3>

Pressure is the force exerted by any object on another object.

Given that, a and b separate 1 liter containers and exert pressure of 2 atm and 3 atm respectively.

When both gases a and b exert together, the pressure then

2 atm + 3 atm = 5 atm.

Thus, the pressure exerted when both gases are put together in a single 1 liter container is 5 atm.

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7 0
1 year ago
15. Which characteristic of a substance will NOT
Andrej [43]
Boiling point. Hope this helps
5 0
1 year ago
How does atomic hydrogen torch function for cutting and welding purposes​
lbvjy [14]

Explanation:

atomic hydrogen torch utilizes an electric arc whereby two closely - but not touching electrodes - result in the release of powerful electric spark as the current tries to flow through the gap. The gap is filled with hydrogen gas in an atomic hydrogen torch rather than air. The electric arch is split the hydrogen gas molecules into hydrogen atoms (some in plasma form). When the hydrogen atoms land on cooler objects like the metal being welded or cut, they region back to H₂ molecules releasing enormous amounts of heat on the surface. Surface temperatures can reach   4000 °C. The use of hydrogen gas protects the metal being welded from oxidation. Oxidation may compromise the quality of the weld.

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5 0
2 years ago
He substance, cocl2, is useful as a humidity indicator because it changes from pale blue to pink as it gains water from moist ai
Anettt [7]

Answer:

Cobalt chloride

Explanation:

It is a molecule formed of one Cobalt atom, and two Chlorine atoms.

5 0
2 years ago
Many elements will try to obtain ____ electrons in their outermost energy level (which is very stable) because filling it in may
VladimirAG [237]
I’m pretty sure 8 as well because elctrouns can’t hold more than that
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3 years ago
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