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damaskus [11]
3 years ago
7

Not all solutions are solids dissolved in liquids. Provide 2 examples of other types of solutions.

Chemistry
1 answer:
kiruha [24]3 years ago
7 0
<span>A substance only dissolves if the attraction between the particles of the solute and the solvent is enough to overcome the attraction of the particles of each substance for others of the same type. For instance, the attraction between the ions in table salt and water molecules is enough to both pull individual ions away from the salt crystal and to separate the water molecules to accommodate the ions. Benzene, on the other hand, does not attract the ions of salt strongly enough to remove them from the crystals. Napthalene does not dissolve in water because napthalene does not exert a strong enough attraction to water molecules to separate them and make room for itself.</span>
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you are holding a bowling ball with a mass of 6 kg at a height of 1 meter. How much gravitational potential energy does the bowl
Bumek [7]

The formula for GPE is PE=mgh, where “m” is the mass of the object, “g” is the acceleration due to gravity (~9.8 m/s^2 on Earth’s surface), and “h” is the height of the object from the ground. Therefore,

PE=mgh

PE=(6 kg)(9.8 m/s^2)(1 m)

PE=58.8 kg•m^2/s^2 or 58.8 Newtons

The GPE of the bowling ball under these conditions would be about 59 Newtons.

Hope this helps!

7 0
4 years ago
The central Xe atom in the XeF4 molecule has ________ unbonded electron pair(s) and ________ bonded electron pair(s) in its vale
Dimas [21]

Answer:

Lewis structure in attachment.

Explanation:

Atoms of elements in and beyond the third period of the  periodic table form some compounds in which more than eight electrons surround the  central atom. In addition to the 3s and 3p orbitals, elements in the third period also  have 3d orbitals that can be used in bonding. These orbitals enable an atom to form  an <u>expanded octet</u>.

The central Xe atom in the XeF₄ molecule has <u>two</u> unbonded electron pairs and <u>four</u> bonded electron pairs in its valence shell.

8 0
3 years ago
Which two things affect how a lens refracts light?
Romashka-Z-Leto [24]

Answer:

Explanation:

the correct answer is A

5 0
3 years ago
Read 2 more answers
What is the coefficient for calcium oxide? CaO(s) + CO2(g) → CaCO3(s)
VARVARA [1.3K]

Answer:

The coefficient is 1

Explanation:

CaO(s) + CO2(g) -> CaCO3(s)

In the balanced equation, the coefficient for CaO is 1

The coefficient represents the number of moles of a compound in the stoichiometry of the reaction

4 0
3 years ago
How many pairs of homologous chromosomes are found in human body cells
suter [353]
There are 22 pairs of <span>homologous chromosomes are found in human body cells.</span>
3 0
3 years ago
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