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-Dominant- [34]
3 years ago
5

There are many different ways to classify matter, but one way is to use only two categories for all matter. All matter can be cl

assified as either
a. liquids or gases.
b. atoms or molecules.
c. elements or compounds.
d. mixtures or substances.
Chemistry
1 answer:
Strike441 [17]3 years ago
3 0
I would put down C. elements or compounds
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10: Convert 77.0 L at 18.0 mmHg to its new volume at standard pressure.
olchik [2.2K]

Answer:

The answer to your question is   V2 = 1.82 l

Explanation:

Data

Volume 1 = 77 l

Pressure 1 = 18 mmHg

Volume 2 = ?

Pressure 2 = 760 mmHg

Process

Use Boyle's law to solve this problem

                P1V1 = P2V2

-Solve for V2

                 V2 = P1V1/P2

-Substitution

                 V2 = (18 x 77) / 760

-Simplification

                 V2 = 1386 / 760

-Result

                 V2 = 1.82 l

5 0
3 years ago
Why is the combined cycle power generation system so much more efficient that the straight steam cycle?
rewona [7]

Answer:

  Because it uses the residual energy of the fluid used by the first engine.

Explanation:

  A combined cycle power generation counts with two heat engines that work in tandem from the same source of heat. The engines turn the energy into mechanical energy.

  The cycle is much more efficient than the other, almost 60% more.

  I hope this answer helps you.

8 0
3 years ago
The chemical process in which electrons are gained by an atom or an ion is called
Harman [31]
Reduction is the process by which eletrons are gained by an atom. 
6 0
3 years ago
How does temp affect the phase of a substance
notka56 [123]

Answer:

state of matter

Explanation:

so take water for example, water has a melting point and a boiling point right? So if it's below 0 degrees, then it's in its solid phase. If the temperature is above 0 degrees, then the water starts to melt into its liquid phase. Then when the temperature is above 100 degrees, water starts to boil and become its gas phase. This is the same for all substances. The only difference is different substances have different melting and boiling points so the numbers will be different depending on your substance. hope this helped!

3 0
3 years ago
What is solar radiation?
mafiozo [28]

Explanation:

Solar energy is the radiant energy emmitted from the Sun. It is the electromagnetic energy

8 0
3 years ago
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