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3 years ago

What are chiral carbon

Chemistry

2 answers:

Sati [7]3 years ago

6 0

Answer:

A chiral carbon is a carbon bonded to four different groups ( four groups as carbon forms four bonds). The molecules formed are non superimposible on its mirror image.

Bogdan [553]3 years ago

6 0

The person who answered before me is correct!

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Hydrogen chloride gas and oxygen gas react to form water and chlorine gas. A reaction mixture initially contains 53.2 g of hydro

Sergio [31]

Answer: The mass of the excess reactant (oxygen gas) is 3.136 grams

Explanation:

To calculate the number of moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$ .....(1)

For HCl:

Given mass of HCl = 53.2 g

Molar mass of HCl = 36.5 g/mol

Putting values in equation 1, we get:

$\text{Moles of HCl}=\frac{53.2g}{36.5g/mol}=1.46mol$

For oxygen gas:

Given mass of oxygen gas = 26.5 g

Molar mass of oxygen gas = 32 g/mol

Putting values in equation 1, we get:

$\text{Moles of oxygen gas}=\frac{26.5g}{32g/mol}=0.828mol$

The chemical equation for the reaction of HCl and oxygen gas follows:

$2HCl+O_2\rightarrow H_2O+Cl_2$

By Stoichiometry of the reaction:

2 moles of HCl reacts with 1 mole of oxygen gas

So, 1.46 moles of HCl will react with = $\frac{1}{2}\times 1.46=0.73mol$ of oxygen gas

As, given amount of oxygen gas is more than the required amount. So, it is considered as an excess reagent.

Thus, HCl is considered as a limiting reagent because it limits the formation of product.

Excess moles of oxygen gas = (0.828 - 0.73) = 0.098 moles

Now, calculating the mass of oxygen gas from equation 1, we get:

Molar mass of oxygen gas = 32 g/mol

Excess moles of oxygen gas = 0.098 moles

Putting values in equation 1, we get:

$0.098mol=\frac{\text{Mass of oxygen gas}}{32g/mol}\\\\\text{Mass of oxygen gas}=(0.098mol\times 32g/mol)=3.136g$

Hence, the mass of the excess reactant (oxygen gas) is 3.136 grams

4 0

3 years ago

“A student in your class claims that chemical bonds and intermolecular forces are the same thing. Is this student correct? Justi

belka [17]

Answer:

The answer to your question is below

Explanation:

This student is wrong.

Chemical bonds are forces that hold atoms together to form a molecule or compound. These interactions are inside the molecule. Example

Ionic bond: NaCl (sodium and chlorine).

Intermolecular forces are weaker than chemical bonds and they are forces between atoms or molecules. These interactions are among different molecules.

Example

Two molecules of water interact forming hydrogen bridges.

5 0

3 years ago

Which quantity determines how two atoms bond? (1 point)

Marat540 [252]

Answer: the difference in their electronegativities

Explanation: please mark brainlyest i need it

8 0

3 years ago

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An experiment can have more than one independent variable. True False