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LekaFEV [45]
3 years ago
8

What is the molar mass of (NH), CO? 138g 788 968 1448

Chemistry
1 answer:
aleksandr82 [10.1K]3 years ago
7 0

Answer:

The molar mass of (NH_{4})_{2}CO_{3} is 96.8 g/mol

Explanation:

The given molecular formula - (NH_{4})_{2}CO_{3}

Individual molar masses of each element in the compound is as follows.

Molar mass of nitrogen - 14.01 g/mol

Molar mass of of hydrogen = 1.008g/mol

Molar mass of carbon = 12.01 g/mol

Molar mass of oxygen =16.00 g/mol

Molar mass of (NH_{4})_{2}CO_{3} is

2\times[1(14.01)+4(1.008)]+1(12.01)+3(16.00)= 96.8g/mol

Therefore,The molar mass of (NH_{4})_{2}CO_{3} is 96.8 g/mol

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Haley has been having difficulty breathing. She is having difficulty with the gas exchange in the respiratory system. Which orga
Aleksandr-060686 [28]

Answer:

Lungs.

Explanation:

This is because the lungs are respiratory organs in the body that are located at the either side of the thorax or chest. These are organs that are incharge of exchange of gases. The air is breathe in through the trachea i.e oxygen is inhaled and carbondioxide which is the waste product is exhaled. Gas exchange take place in the lungs.

8 0
3 years ago
Select all of the statements about fatty acid melting points that are true.
Sindrei [870]

The answers that apply include;

  • A saturated fatty acid with a greater molar mass has a higher melting point than a saturated fatty acid with a low molar mass
  • A saturated fatty acid has a higher melting point than an unsaturated fatty acid

Saturated acids do not have double bonds in their hydrocarbon tails. Therefore, because there are no kinks in the chains, the chains are well compacted due to numerous hydrogen bonds between each. The larger the chains (directly proportional to molar mass), the higher the melting point of these fats.  


6 0
4 years ago
Imine formation from an aldehyde and an amine proceeds reversibly under slightly acidic conditions. The reaction is reversible d
Lostsunrise [7]

Answer:

Imine can be isolated from the reaction mixture as water is continuously removed from the reaction chamber

Explanation:

In this reaction, a non -aqueous solvent  is not used (not mentioned in the question). Thus, we can say that there is continuous removal water under suitable reacting conditions and hence the imine formed is left behind.

5 0
3 years ago
In a hydrogen molecule, the two hydrogen atoms are held together by a single bond with a bond energy of 436 kj/mol of hydrogen.
svetoff [14.1K]

Answer: 873 kJ of energy will be required to break two moles of hydrogen gas.

2H_2+O_2\rightarrow 2H_2O

Above chemical equation shows that two moles of hydrogen gas is reacting with one mole of oxygen gas to give two mole of water molecule.

Bond energy of H-H = 436kJ

According to reaction we have two moles hydrogen,so energy required to break the

H-H bond in two moles of hydrogen gas will be:

2\times \text{bond energy of H-H bond}

2\times {436} = 872kJ

872kJ of energy will be required to break H-H bond in two moles of hydrogen gas.




5 0
4 years ago
Read 2 more answers
Let's say we have 2 Zinc atoms and 2 Sulfur atoms on one side of the equation. According to the Law of Conversation and Mass, ho
Viefleur [7K]

Answer:

Two

Explanation:

The law of conservation of mass states that in an isolated system the mass present is neither destroyed nor created by chemical changes or physical changes.

This tells us that the mass of reactants must be equal to the product mass.

If 1 atom of Zn react with one atoms of sulfur, the product will be 1 molecule of zinc sulfide according to the equation below

Zn(s) + S(s) ⇒ ZnS(s)

therefore two atoms each f zinc and sulfur will product two molecules of Zn sulfide

5 0
3 years ago
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