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Semmy [17]
3 years ago
7

A student described two properties of a substance as shown.

Chemistry
1 answer:
AnnZ [28]3 years ago
3 0

Answer:

X is a chemical property and Y is a physical property.

Explanation:

i did it.

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Convert 632 mmHg to kPa
Ilia_Sergeevich [38]
Answer:
84.259 kPa

Explanation:
We know that:
1 kPa is approximately equal to 7.5 mmHg
Therefore, to convert 632 mmHg to kPa, we will simply use cross multiplication as follows:
1 kPa .................> 7.5006 mmHg
?? kPa ................> 632 mmHg
632 mmHg = (632*1) / (7.5006) = 84.259 kPa

Hope this helps :)
3 0
3 years ago
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The compound KOH is called
denis-greek [22]

Answer:

It is called Potassium Hydroxide

4 0
2 years ago
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The noble gases are an example of a ______ of elements. period family table
Mariulka [41]
Periodic table of elements
5 0
3 years ago
5. What is metallic bonding?<br> 6. Why are metals shiny?
cricket20 [7]

Answer:

Metallic bonding is found in metals and their alloys. When the atoms give up their valence electrons, they form ions. These ions are held together by the electron cloud surrounding them. Metals are shiny because they have a lot of free (i.e. delocalized) electrons that form a cloud of highly mobile negatively charged electrons on and beneath the smooth metal surface in the ideal case. ... In the absence of any external EM field, the charges in the plasma are uniformly distributed within the metal.

Explanation:

In metallic bonding, the electrons are “surrendered” to a common pool and become shared by all the atoms in the solid metal.

4 0
3 years ago
To prepare the cooling system for an ice cream freezer, the chef adds 59.7 g of salt (NaCl) to 1433.3 g of ice. Predict the lowe
nordsb [41]

Answer: The entire water/ice solution is at the melting/freezing point, 32°F (0°C). Adding rock salt — or any substance that dissolves in water — disrupts this equilibrium.

Explanation: Hope this helps! Have a great day :)

7 0
3 years ago
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