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Vitek1552 [10]
3 years ago
15

Helppp ASAP Don’t GUESSSSS

Chemistry
2 answers:
Sever21 [200]3 years ago
8 0

I'm gonna go ahead and guess, and say its B.

tresset_1 [31]3 years ago
4 0

Answer:

I would choose between A or C

Explanation:

Titration of a weak base with a strong acid:A depiction of the pH change during a titration of HCI solution into ammonia solution.The curve depicts the change in pH (on y axis) vs.the volume of HCI added in the mL (on the X axis).

I n strong acid weak base titration the pH at the equivalence points is not 7 but below it.

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Which model of the atom explains the orbitals of electrons as waves
Zielflug [23.3K]

Answer:

The Bohr model of the atom explains the reactivity of all atoms.

6 0
2 years ago
Convert mass to moles for both reactants. (Round to 2 significant figures.)
shepuryov [24]
Mass = mr x moles
Mr of CuCl2 = ( 63.5) + ( 35.5 x 2) = 134.5
2.5 = 134.5 x moles
2.5 / 134.5 = moles
Moles = 0.019 (2DP)

0.25g of Al
Mr of Al = 27
0.25 = 27 x moles
0.25/ 27 = 0.0093 moles (2sf)

Hope this helps :)
6 0
3 years ago
Read 2 more answers
How do I draw energy level diagrams?
finlep [7]

Energy levels inside an atom are the specific energies that electrons can have when energy occupies specific orbitals. Electrons can be excited to higher energy levels by absorbing energy from the surroundings, an equivalent light is emitted when an electron returns from a high energy state to a lower one. Representation of this diagrammatic is known as the energy level diagram.

7 0
2 years ago
According to the octet rule, which of elements will have a tendency to loss 2 electrons?
Aneli [31]
The correct option is STRONTIUM.
Strontium is a group 2 element, that means it has two electrons in its outermost shell. This element will prefer to lose these two electrons in its outermost shell in order to attain the octet form, therefore, it will form electrovalent bond with non metals which it can donate two electrons to.
5 0
2 years ago
Please help me on this!!
Fudgin [204]

Answer:

OK

Explanation:

OK

7 0
3 years ago
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