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denis23 [38]
2 years ago
12

Dominic made the table below to organize his notes about mixtures. A 1-column table. The first column labeled properties of mixt

ures. Row 1 says: has no set composition. Row 2 is must have more than one state of matter. Row 3 is must have more than one substance. What mistake did Dominic make? A. The title should read “Properties of Solutions” because some mixtures do not have all of the properties listed. B. There is a definite recipe to make each mixture, so the composition of a mixture is set. C. Although it is possible to have more than one state, it is also possible to have only one state. D. A single substance can be used to make a mixture if the substance is composed of more than one element.
Chemistry
2 answers:
leva [86]2 years ago
8 0
Ahhh,it’s honestly hard hope someone helps outt thooo!
slamgirl [31]2 years ago
7 0

Answer:

If you want someone to answer this, make it worth more points.

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During _____________ there are 24 hours of daylight at the North Pole.
Tresset [83]

Answer:

summer

The North Pole stays in full sunlight all day long throughout the entire summer (unless there are clouds)

8 0
3 years ago
Sodium is going in group 1, period 3. It contains A. One valence electron in its 3rd energy shell B three valence electron in it
topjm [15]

Answer:

The correct answer is option A, that is, one valence electron in its third energy shell and option C, that is, 11 electrons and 11 protons.

Explanation:

The outermost electrons and the ones that take part in the process of bonding are termed as valence electrons. The atomic number of sodium is 11, thus, it possesses 11 protons and the atoms are neutral so it suggests that sodium has 11 electrons. By electronic configuration, it can be seen that in sodium, two electrons are present in the first shell, 8 in the second, and only one electron in the third shell, that is, 2.8.1. The electron present in the third shell is the valence electron.

5 0
3 years ago
PH is 7.45. Calculate value of [H3O+] and [OH-]
lana66690 [7]

Answer:

The answer is (H30+) =3,55e-8M and (OH-)=2,82e-7M

Explanation:

We use the formulas:

pH= - log(H30+)  and Kwater=(H30+)x(OH-)

pH= - log(H30+)  ----< (H30+)= antilog- pH=antilog- 7,45=3,55E-8M

Kwater=(H30+)x(OH-)

(OH-)=Kwater/(H30+)= 1,00e-14/3,55e-8 = 2,82e-7

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2 years ago
Determine all values of hh and k for which the system has no solution
solniwko [45]
Explain more so i could answer it!!
6 0
2 years ago
Which best describes a compound such as sodium chloride
Elza [17]
It is a compound composed of sodium (Na) and chloride (Cl)
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2 years ago
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