If 25.0 mL of a 6.00 M HCL solution is diluted to 2.00 L, what is the molarity of the new solution?

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If 25.0 mL of a 6.00 M HCL solution is diluted to 2.00 L, what is the molarity of the new solution?

 

Determine the volume (in mL) of water that needs to be added to 25.0 mL of a 0.250 M NaBr to produce a 0.0275 M solution. Assume the volumes are additive.

**Question 22 of 30**

**Provide the correct systematic name for the compound shown here.**

The chemical structure displays a compound with a carbon chain consisting of an amide functional group. The main structure includes:

- A carbon double-bonded to oxygen (carbonyl group).
- Connected to the carbonyl carbon is an amine group (NH).
- The carbon chain branches out to two alkyl groups, both being ethyl groups.

**Naming Options:**

- Given options in word fragments for constructing the name include prefixes (2-, N-, 4-, N,N-, 3-, 5-), multipliers (tetra, di, tri), alkyl groups (prop, meth, but, hex, eth, pent), and suffixes and functional groups (oic acid, yl, amide, amine, an, al).

**Explanation of Structure:**

This compound is a simple amide consisting of a primary amine attached to the carbonyl group, with ethyl groups on either side, suggesting it's an ethyl amide.

To correctly name this compound, identify the key components—amide functional group and the length of the alkyl chain contributing to the correct IUPAC systematic name.
Transcribed Image Text:**Question 22 of 30** **Provide the correct systematic name for the compound shown here.** The chemical structure displays a compound with a carbon chain consisting of an amide functional group. The main structure includes: - A carbon double-bonded to oxygen (carbonyl group). - Connected to the carbonyl carbon is an amine group (NH). - The carbon chain branches out to two alkyl groups, both being ethyl groups. **Naming Options:** - Given options in word fragments for constructing the name include prefixes (2-, N-, 4-, N,N-, 3-, 5-), multipliers (tetra, di, tri), alkyl groups (prop, meth, but, hex, eth, pent), and suffixes and functional groups (oic acid, yl, amide, amine, an, al). **Explanation of Structure:** This compound is a simple amide consisting of a primary amine attached to the carbonyl group, with ethyl groups on either side, suggesting it's an ethyl amide. To correctly name this compound, identify the key components—amide functional group and the length of the alkyl chain contributing to the correct IUPAC systematic name.
**Question 12 of 30**

**Provide the correct IUPAC name for the compound shown here.**

**Structure:**
```
   O
   ||
H—C—CH₂—CH—CH₂—CH₃
         |
        CH₃
```

**Options to construct the name:**

- Numbers: 3-, 1-, 4-, 6-, 5-, 2-

- Prefixes: tri, cyclo, iso, sec-, di, tert-

- Base names: prop, meth, pent, hex, but, eth

- Suffixes: ol, yl, one, al, an, oate
Transcribed Image Text:**Question 12 of 30** **Provide the correct IUPAC name for the compound shown here.** **Structure:** ``` O || H—C—CH₂—CH—CH₂—CH₃ | CH₃ ``` **Options to construct the name:** - Numbers: 3-, 1-, 4-, 6-, 5-, 2- - Prefixes: tri, cyclo, iso, sec-, di, tert- - Base names: prop, meth, pent, hex, but, eth - Suffixes: ol, yl, one, al, an, oate
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