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xeze [42]
3 years ago
12

12. The particles that are found in the nucleus of an atom are

Chemistry
1 answer:
Tasya [4]3 years ago
4 0

Answer:

Proton and neutron

Explanation:

Electrons orbit round the nucleus as the planet revolve round the sun

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What is the overall voltage for the nonspontaneous redox reaction involving
Ann [662]

Answer:

Answer D => E°(Mg°/Cu⁺²) = 0.34 + 2.37 = 2.71v

Explanation:

(Oxidation) =>  Mg°(s) => Mg⁺²(aq) + 2e⁻    E°(Mg°/Mg⁺²) = -2.37 v

(Reduction) => Cu⁺²(aq) + 2e⁻ => Cu°(s)     E°(Cu⁺²/Cu°) = +0.34 v

________________________________________________

Net Rxn => Mg°(s) + Cu⁺²(aq) => Mg⁺²(aq) + Cu°(s)

Std Cell Potential (25°C/1Atm) = E°(Redn) = E°(Oxidn) = +0.34v - (-2.37v)

= 0.34v + 2.37v = 2.72v

6 0
3 years ago
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A solution of toilet bowl cleaner has PH of 13 the solution is?
AlladinOne [14]
The solution is an alkali.

Usually with the pH value range of 14, substances with pH 7 can be called neutral. Meanwhile substances lower than pH 7 are acids, the lower the pH is, the more acidic it is. Such as cola, it has a pH 2, which is very acidic.
In opposite, the substances with pH over 7 are called alkalis. Again, the larger the pH value is, the more alkaline it is. So pH 13 is a strong alkaline therefore it it corrosive and can clean the toilet well.
8 0
3 years ago
Write the overall balanced equation for the reaction of magnesium and hcl to form hydrogen gas
miv72 [106K]
The balanced equation:
Mg+2HCl⇒ MgCl₂+H₂
4 0
3 years ago
What are the most common elements in a canyon?
weqwewe [10]
A canyon is a deep ravine between pairs of escarpments or cliffs and is the most often carved landscape by the erosive activity of a river over geologic timescales. A canyon may also refer to a rift between two mountain peaks, such as those in ranges including the Rocky Mountains, the Alps, the Himalayas or the Andes.
3 0
2 years ago
The energy needed to overcome intermolecular forces is called
dangina [55]

Answer:

vaporization. process by which thermal energy can overcome intermolecular forces and produce a state change from liquid to gas, the higher the temperature the greater the average energy of collection of molecules, ENDOTHERMIC

Explanation:

6 0
3 years ago
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