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Varvara68 [4.7K]
3 years ago
8

What information can you determine from the coefficients in this balanced chemical equation? Mg + 2HCl → MgCl2 + H2

Chemistry
1 answer:
alisha [4.7K]3 years ago
6 0

Explanation:

Characteristics/Examples of a Comedy of Manners in Act 1:

Witty Dialogue:

Use of Sarcasm/Irony:

Contrived Solutions:

Critique of society, esp. marriage:

Portrayals of (social) class differences:

Contrasts between urban and rural:

Characteristics/Examples of a Comedy of Manners in Act 2:

Witty Dialogue:

Use of Sarcasm/Irony:

Contrived Solutions:

Critique of society, esp. marriage:

Portrayals of (social) class differences:

Contrasts between urban and rural:

Characteristics/Examples of a Comedy of Manners in Act 3:

Witty Dialogue:

Use of Sarcasm/Irony:

Contrived Solutions:

Critique of society, esp. marriage:

Portrayals of (social) class differences:

Contrasts between urban and rural:

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2CuS + 3O2 = 2CuO + 2SO2
Nata [24]
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4 0
4 years ago
Which of the following electron configurations are written incorrectly?
Lynna [10]

Answer:

The electronic configuration that are incorrectly written is 1s²2s³2p⁶, 4s²3d¹⁰4p⁷, 3s¹ and 2s²2p⁴.

Explanation:

The electronic configuration of the elements corresponds to how all the electrons of an element are arranged in energy levels and sub-levels.

There are 7 energy levels —from 1 to 7— whose sublevels are described as s, p, d and f.

All electronic configurations begin with the term "1s" —corresponding to the sublevel s of level 1— so 4s²3d¹⁰4p⁷, 3s¹ and 2s²2p⁴ are incorrectly written. In addition, 4s²3d¹⁰4p⁷ is written incorrectly because is impossible to jump from the sublevel "s" to the sublevel "d" —which is found from level 3 and up— without passing through the sublevel "p".

In the case of 1s²2s³2p⁶, the wrong thing is that the sublevel "s" can only hold two electrons, not three.

The other options are correctly written.

3 0
3 years ago
A 4.0 L balloon has a pressure of 406 kPa. When the pressure increases to 2,030 kPa, what is the volume? *
elena-14-01-66 [18.8K]

The new volume when pressure increases to 2,030 kPa is 0.8L

BOYLE'S LAW:

The new volume of a gas can be calculated using Boyle's law equation:

P1V1 = P2V2

Where;

  1. P1 = initial pressure (kPa)
  2. P2 = final pressure (kPa)
  3. V1 = initial volume (L)
  4. V2 = final volume (L)

According to this question, a 4.0 L balloon has a pressure of 406 kPa. When the pressure increases to 2,030 kPa, the volume is calculated as:

406 × 4 = 2030 × V2

1624 = 2030V2

V2 = 1624 ÷ 2030

V2 = 0.8L

Therefore, the new volume when pressure increases to 2,030 kPa is 0.8L.

Learn more about Boyle's law calculations at: brainly.com/question/1437490?referrer=searchResults

3 0
3 years ago
Draw the structural formula for 3-ethyl-3-methyl-1-pentyne. Click the "draw structure" button to launch the drawing utility.
Dima020 [189]

Answer:

See attached picture.

Explanation:

Hello,

In this case, for the given name, you can verify the structure on the attached picture, wherein you can see verify the presence of both the ethyl and methyl radicals at the third carbon as well as the triple bond at the first carbon.

Best regards.

6 0
3 years ago
When the substance dissolves the solution is not transparent true or false <br>​
bogdanovich [222]

Answer:

Some substances dissolve when you mix them with water. When a substance dissolves, it might look like it has disappeared, but in fact it has just mixed with the water to make a transparent (see-through) liquid called a solution.

Explanation:

8 0
3 years ago
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