How many constitutional isomers of C4H9Br are possible? a) Five b) One c) Four d) Three e) Two

Answers

Answer 1

Answer:

Answer:

To determine the number of constitutional isomers of C4H9Br, we can generate different structures by rearranging the atoms. The molecular formula C4H9Br implies a carbon chain with four carbon atoms, and one bromine atom.

Here are the constitutional isomers for C4H9Br:

1. **n-Butyl Bromide**: This is the straight-chain isomer where the bromine atom is attached to the end carbon atom.

2. **Isobutyl Bromide**: This is an isomer with a branched chain. The bromine atom is attached to one of the middle carbon atoms in the chain.

3. **sec-Butyl Bromide**: Another branched isomer where the bromine atom is attached to one of the middle carbon atoms but in a different position compared to isobutyl bromide.

4. **tert-Butyl Bromide**: This isomer has a highly branched structure where the bromine atom is attached to a carbon atom that is part of a tertiary (3°) carbon center.

So, there are four constitutional isomers of C4H9Br. Therefore, the correct answer is (c) Four.

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When a nonmetal bonds with a nonmetal, they form a(n) _______________

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they form a covalent bond

Name three acids and three bases and a list an industrial or household use of each

Answers

Acid: Lemon, vinegar, grapefruits
Base: Soap, oven cleaner, ammonia
The bases are cleaners, and the acids are fruits, bases have a bitter taste, and acids have a sour taste. Hope this helps!

Three acids
Sulfuric Acid
Hydroflouric Acid
Phosphoric Acid

Three bases
Sodium Hydroxide
Calcium Hydroxide
Potassium Hydroxide

Sulfuric Acid is used as a catalyst in the alkalation reaction section. The alkalation unit in a refinery produces alkylate which is used to give distilled raw gasoline a higher octane rating.

Hydroflouric Acid is also used in a different type of alkalation unit which is currently being phased out due to Hydroflouric Acid dangerous nature.

Phosphoric Acid is used in industrial cooling towers to aid in controlling scale inside piping in cooling water systems.

Sodium Hydroxide is also used in crude oil refinery settings to aid in neutralizing low pH systems in the refinery process .

Calcium hydroxide is used to eliminate moisture in propane systems in the alkalation process.

Potassium hydroxide is used to clean refinery vessel used in the crude refining process.

A mixture that appears to contain only one substance is a ?

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if you're talking about atoms then its a molecule

Answer:homogeneous mixture

Explanation:

What is the molecular formula of caffeine, given that it has an empirical formula of C_4H_5N_2O and a molar mass of 194 g/mol?

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Answer:

$Empirical formula : C4 H 5 N2O \n Empirical \: molar \: mass \: of \: the \n compound \: obtain : \n 12×4+5+2×14+16=97 \n \n Given \: the \: molar \: mass \: of \n Caffeine = 194.2 \n \n n= 194.2 /97=2 \n Thus \: Formula \: of \: \n Caffeine = (C 4H5 N 2 O)2$

As ocean depth increases, _____. temperature increases density decreases salinity increases pressure decreases

Answers

Answer:

The correct option is: salinity increases

Explanation:

Ocean is a large water body that is a division of the World Ocean. An ocean is divided into various vertical zones based upon the physical and biological conditions.

The halocline zone is characterized by a rapid increase in the salinity with the increase in the depth. Thus resulting in decrease in the temperature of maximum density with the increase in salinity.

Answer:salinity increases

Explanation:

A 0.8115 g sample of HCl was placed into a 50 mL volumetric flask and the sample was thoroughly dissolved in water to make 50 mL of solution. It required 22.07 mL of NaOH to reach the endpoint in the titration. What is the molarity of the NaOH solution?