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disa [49]
3 years ago
6

When a sample of CO2 solid becomes CO2 gas there is a change in

Chemistry
1 answer:
notka56 [123]3 years ago
5 0

Volume and state of matter

Explanation:

When sample solid change to gas, there is a phase change known as sublimation.

We can conclude that the state of matter has changed from solid to gases.

There is an increase in entropy and the particles becomes more random.

There is little to no force of attraction between the particles.

There is also a volume change because gases have no fixed shape. They just fill containers that holds them.

The mass of the gases will remain the same as that of the solid carbon dioxide. Mass is a function of the particles in compound.

We can also agree that the kinetic energy has increased considerably.

Learn more:

Phase change brainly.com/question/1875234

#learnwithBrainly

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Which two of the four quantum numbers determine the energy level of an orbital in a multielectron atom? Which two of the four qu
Roman55 [17]

Answer:

The correct answer is - n and l.

Explanation:

The size of an orbital is determined by the principal number of shell which is represented by n. The larger the energy level (n) bigger the size of the orbital. N can be any integer value: 1, 2, 3 . . . . and so on.

l represents the angular momentum or subshell number provides the overall shape of an orbital in this subshell only integer values between 0 and n-1 are permitted.

Thus, n & l are two quantum numbers that determine the energy level of an orbital in a multielectron atom.

5 0
3 years ago
WILL MARK BRAINLIEST!!!!!!!!!!!!!!!!
Westkost [7]

Hello!

I believe the answer is A) Anaphase.

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3 0
4 years ago
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How much potassium chloride 20% should you dilute to prepare 480 ml of potassium chloride 2.5%?
Gnom [1K]

Answer: -

60 mL of potassium chloride 20% should be diluted to prepare 480 ml of potassium chloride 2.5%

Explanation: -

Volume of potassium chloride solution = 480 mL

Percentage of potassium chloride = 2.5%

Amount of Potassium chloride = \frac{2.5}{100} x 480 mL

= 12 mL

Let the required amount be R.

20 % of R = 12 mL.

\frac{20}{100} x R = 12mL

R = 60 mL.

Thus, 60 mL of potassium chloride 20% should be diluted to prepare 480 ml of potassium chloride 2.5%

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3 years ago
Energy can generally be considered to be either kinetic energy or potential energy. Some specific forms of energy, such as elect
goldenfox [79]
All energy can generally be considered to be either kinetic energy or potential energy<span>. </span>Some specific forms of energy<span>, </span>such as electrical<span>, </span>magnetic, and gravitational energy<span>, </span>can operate in the space around objects and affect other objects that come near<span>. So, the correct answer is B, I believe. :)
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3 years ago
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Fill in the blanks with the words given below- [Atoms, homogeneous, metals, true, saturated, homogeneous, colloidal, compounds,
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Answer:

1. metals

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7. colloidal

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Explanation:

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3 years ago
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