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Leno4ka [110]
2 years ago
12

A 4.5 M solution is to be diluted to 750.0 mL of a 1.5 M solution. How many mL of the 4.500 M solution are required?

Chemistry
1 answer:
maw [93]2 years ago
7 0

Answer:

309

Explanation:

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B) Name three substances which can undergo sublimation and deposition respectively​
SpyIntel [72]

solid carbon dioxide, iodine, arsenic, and naphthalene

Explanation:

Examples of substances that undergo sublimation

Examples of solids that sublime are dry ice (solid carbon dioxide), iodine, arsenic, and naphthalene (the stuff mothballs are made of).

3 0
2 years ago
1s22s22p63s23p3<br> what element does this represent
s344n2d4d5 [400]

Answer:

Its phosphorus (P)

Explanation:

In writing the electron configuration for Phosphorus the first two electrons will go in the 1s orbital. Since 1s can only hold two electrons the next 2 electrons for Phosphorous go in the 2s orbital. The next six electrons will go in the 2p orbital. The p orbital can hold up to six electrons. We'll put six in the 2p orbital and then put the next two electrons in the 3s. Since the 3s if now full we'll move to the 3p where we'll place the remaining three electrons. Therefore the Phosphorus electron configuration will be 1s22s22p63s23p3.

3 0
2 years ago
An electron in a hydrogen atom moves from level 1 to level 4. The electron then drops from level 4 to level 2. Which statement d
butalik [34]

Answer:

B. The energy absorbed in the first move is greater than the energy released in the second move.

Explanation:

It takes large amounts of energy for a electron to jump energy levels and the further it moves, the more it takes.

6 0
3 years ago
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What suffix do the halogen group use
sesenic [268]

Answer:    That is, the suffix of the compound is unchanged by the presence of the halogen, and the halogen is included as a prefix in the name. In acyl halides, the suffix -oyl chloride is appended to the name. For example, CH3CH2COCl is called propanoyl chloride.

Explanation:

6 0
2 years ago
What are the characteristics of Mercury? (Select all that apply.)
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Answer:

less gravity, closest to the sun

5 0
3 years ago
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