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alexdok [17]
3 years ago
9

What is the proper safety response to a trash-can fire in a lab?

Chemistry
2 answers:
masha68 [24]3 years ago
8 0

Answer:

Use the appropriate fire extinguisher

Explanation:

jenyasd209 [6]3 years ago
4 0

Answer:

D

Explanation:

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I NEED HELP PLEASE! :)
MrMuchimi

<u>answer</u> 1<u> </u><u>:</u>

Law of conservation of momentum states that

For two or more bodies in an isolated system acting upon each other, their total momentum remains constant unless an external force is applied. Therefore, momentum can neither be created nor destroyed.

<u>answer</u><u> </u><u>2</u><u>:</u><u> </u>

When a substance is provided energy<u> </u>in the form of heat, it's temperature increases. The extent of temperature increase is determined by the heat capacity of the substance. The larger the heat capacity of a substance, the more energy is required to raise its temperature.

When a substance undergoes a FIRST ORDER phase change, its temperature remains constant as long as the phase change remains incomplete. When ice at -10 degrees C is heated, its temperature rises until it reaches 0 degrees C. At that temperature, it starts melting and solid water is converted to liquid water. During this time, all the heat energy provided to the system is USED UP in the process of converting solid to the liquid. Only when all the solid is converted, is the heat used to raise the temperature of the liquid.

This is what results in the flat part of the freezing/melting of condensation/boiling curve. In this flat region, the heat capacity of the substance is infinite. This is the famous "divergence" of the heat capacity during a first order phase transition.

There are certain phase transitions where the heat capacity does not become infinitely large, such as the process of a non-magnetic substance becoming a magnetic substance (when cooled below the so-called Curie temperature).

4 0
3 years ago
An area in the desert where water is found is known as an.
lbvjy [14]

Answer:

Oasis

Explanation:

An area in the desert that has water in it is called an oasis.

6 0
2 years ago
The US mail delivery considered a network true or false
Svetllana [295]
True
Hope this helps!!❤️
6 0
3 years ago
Assuming the compound is dissolved in water, what is the formula for phosphorous acid? h3p h3po4 hp h3po3
IrinaVladis [17]
I think the correct answer from the choices listed above is the last option. The formula for  phosphorous acid is H3PO3. It <span>also called orthophosphorous acid, one of several oxygen acids of phosphorus, used as reducing agent in chemical analysis. Hope this answers the question.</span>
6 0
2 years ago
Read 2 more answers
Give me an example for a chemical formula. Please make your answer short but make sure you have details. Thank you :)
12345 [234]

Answer:

For example, the chemical formula for water is H2O which indicates that 2 atoms of Hydrogen combines with 1 atom of oxygen.

Explanation:

The chemical formula for sodium chloride (Salt) is NaCl indicating that one atom of sodium combines with one atom of chlorine in a one-to-one ratio.

7 0
2 years ago
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