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storchak [24]
4 years ago
7

What atoms must be present in a molecule for it to be considered organic?

Chemistry
1 answer:
dalvyx [7]4 years ago
3 0
Atoms of Carbon along with hydrogen bonded to the carbons in the molecule are 2 main elements for the molecule to be organic.
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given that an aluminum ore contains 25% bauxite Al(OH)3, how much aluminum would a 200g sample of ore contain?
Olenka [21]
75g of bauxite
200 x .25 = 75
6 0
3 years ago
The formula for dichlorine monoxide
Ugo [173]
Cl2O but the two is a little two after Cl
6 0
4 years ago
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Identify the molecule with the highest boiling point. C 6H 6 NH 3 OF 2 CHCl 3
lakkis [162]

Answer:

Option NH 3 is the correct answer.

Explanation:

A molecule which has hydrogen bonding will have the highest boiling point. So, out of the given options only NH 3 will have hydrogen bonding.

Whereas in CHCI 3 there will be dipole-dipole interactions and no hydrogen bonding within the molecule.

In OF 2 and C 6H 6, there will be dipole-dipole interaction in both the molecules.

Thus, we can conclude that NH 3 will have the highest boiling point.

7 0
4 years ago
How much potassium nitrate has to dissolve in water to absorb 105 kj of heat? there are 4.184 kj/kcal. also note the answer is t
joja [24]

Lattice energy of potassium nitrate (KNO3) = -163.8 kcal/mol

Hydration energy of KNO3 = -155.5 kcal/mole

Heat of solution is the amount of heat absorbed by water when 1 mole of KNO3 is dissolved in it

Heat of solution = Hydration energy - Lattice energy

                           = -155.5 -(-163.8) = 8.3 kcal/mol

1 kcal/mol = 4.184 kJ/mole

Therefore, 8.3 kcal/mole = 4.184 * 8.3 = 34.73 kJ/mol

Now,  34.73 kJ of heat is absorbed when 1 mole of KNO3 is dissolved

The given 105 kJ of heat would correspond to : 105/34.73 = 3.023 moles of KNO3

Molar mass of KNO3 = 101.1 g/mole

Mass of KNO3 = Molar mass * moles

                       = 101.1 * 3.023 = 305.63 g = 0.3056 kg    

8 0
4 years ago
When an atom _______<br> an electron, it charge is negative .
nikitadnepr [17]

Answer:

Gains

Explanation:

If it gains an electron it causes the atom to become negative since electrons are negative and an overall charge of an atom is neutral. Therefore, it would become negative.

Hope this helps :)

3 0
3 years ago
Read 2 more answers
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