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Lena [83]
3 years ago
9

How does the appearance of a substance change when it changes phase?

Chemistry
1 answer:
kicyunya [14]3 years ago
6 0

Answer:

Melting: the substance changes back from the solid to the liquid. Condensation: the substance changes from a gas to a liquid. Vaporization: the substance changes from a liquid to a gas. Sublimation: the substance changes directly from a solid to a gas without going through the liquid phase.

Explanation:

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What does the formula for table salt indicate about that compound?
IrinaVladis [17]
The formula is NaCl. this indicates that it has one sodium atom and one chlorine atom. it is an ionic compound, because it contains one metal and one nonmetal atom.
5 0
3 years ago
Why are humans responsible for oil spills
WITCHER [35]

Answer:

Oil spills into rivers, bays, and the ocean most often are caused by accidents involving tankers, barges, pipelines, refineries, drilling rigs, and storage facilities.

Spills can be caused by:

people making mistakes or being careless.

equipment breaking down.

natural disasters such as hurricanes.

deliberate acts by terrorists, countries at war, vandals, or illegal dumpers.

Explanation:

Hope this helped Mark BRAINLIEST!!!

7 0
3 years ago
According to the iupac convention, alkyl substituents on a hydrocarbon chain should be listed in which order?
saveliy_v [14]

According to the iupac convention, alkyl substituents on a hydrocarbon chain should be listed in alphabetical without taking prefixes into name.

A hydrocarbon would be an organic molecule in organic chemistry that is made completely of hydrogen as well as carbon. A good example of group 14 hydrides includes hydrocarbons. In general, hydrocarbons lack color and are hydrophobic. Typically, their faint smells are compared to that of gasoline and lighter fluid.

  • The longest unbroken carbon chain should be found and named.
  • Name the groups that make up this chain but instead identify them.
  • Beginning at the end of the chain closest to a substituent group, fraction the chain sequentially.
  • Give each substituent group a corresponding number but also name to indicate its placement.

Therefore, according to the iupac convention, alkyl substituents on a hydrocarbon chain should be listed in alphabetical without taking prefixes into name.

To know more about hydrocarbon

brainly.com/question/12433190

#SPJ4

8 0
2 years ago
On a periodic table, the columns of elements with similar properties are:.
klemol [59]

Answer:

On a periodic table, the columns of elements with similar properties are called groups

5 0
2 years ago
What is the pH of the solution if the [H+] is 1 x 10-12 ?
jarptica [38.1K]

Answer:

<h2>12</h2>

Explanation:

The pH of a solution can be found by using the formula

pH = - log [ {H}^{+} ]

From the question we have

pH =  -  log(1 \times  {10}^{ - 12} )  \\

We have the final answer as

<h3>12</h3>

Hope this helps you

5 0
3 years ago
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