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vova2212 [387]
3 years ago
15

Calculate the length between the following points using the distance formula

Chemistry
1 answer:
Aloiza [94]3 years ago
4 0

Answer:

If i have 2 apples and 6 bannanas how many ansers do i get for 7xy

Explanation:

6.4

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Suppose that CaO is added as an impurity to Li2O. If the Ca2+ substitutes for Li+, what kind of vacancies would you expect to fo
Leno4ka [110]

Answer:

Positive charges are eliminated by creating lithium vacancies, and for every Ca2+ ion added, a single lithium vacancy is formed.

Explanation:

The addition of calcium oxide as an impurity to lithium oxide creates an  interstices due to the replacement of the Lithium ion by calcium ion. The creation of  interstices is as a result of  the replacement of the positive ions (Lithium by calcium). To make the reaction neutral, these replacements must occur  when the interstices are formed

6 0
3 years ago
Now, examine the structures of benzhydrol and fluorene. Both compounds contain the same number of carbons but have very differen
zubka84 [21]

Answer:

The OH group

Explanation:

Benzhydrol contains OH hydroxyl group in its molecule while fluorene does not. At first glance, one would think that OH, which contributes to hydrogen bonding would causes melting point of benzhydrol to be higher than fluorene. <em>However, </em>the structure of benzhydrol, which is 2 benzene rings connected to center hydroxyl carbon (PhCOHPh), allows for each benzene rings in benzhydrol to rotate until both rings are perpendicular to minimize repulsive force. This prevents the molecule from stacking on each other due to its non flat shape, and thus, lowering its melting point in contrast to flat fluorene molecule.

4 0
3 years ago
What type of cells does the human reproductive system contain?
yuradex [85]
Blood cells, glucose , skin cells and etc .
7 0
3 years ago
Calculate the standard enthalpy of formation for acetylene (C2H2) from the elements: 2C (graphite) + H2 (g) -----------&gt; C2H2
Sophie [7]

Answer:

ohhhhhhhhh this is hard

Explanation:

5 0
3 years ago
The abnormally high boiling point of HF as compared to HCl is primarily due to intermolecular forces of attraction called
Mariana [72]

Answer:

C) hydrogen bonds

Explanation:

The abnormally high boiling point of HF compared to HCl is primarily due to the intermolecular forces called hydrogen bonds.

Hydrogen bonds are intermolecular forces of attraction between polar molecules in which a hydrogen atom is directly joined to a highly electronegative atom (oxygen, nitrogen or fluorine).

Hydrogen bonds are very strong force of attraction compared to dipole - dipole attraction that holds the HCl together.

5 0
3 years ago
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