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mixer [17]
3 years ago
5

What is the ground-state electron configuration for the Mn4 ion and is it paramagnetic or diamagnetic?

Chemistry
1 answer:
Bond [772]3 years ago
8 0

Answer:

[Ar]3d4 is the ground-state electron configuration for the Mn4 ion

but i don't know whether it is paramagnetic or daimagnetic

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How do you know what atoms are convalant or ionic
Paha777 [63]

ionic bond is formed when two oppositely charged ions attract one another.A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms.

7 0
3 years ago
52.1 mL of aqueous 0.255 M Pb(NO3)2 is mixed with 38.5 mL of 0.415 M NaCl. The equation for the precipitate reaction is: Pb(NO3)
Elan Coil [88]

Answer:

0.0585 M

Explanation:

  • Pb(NO₃)₂ (aq) + 2NaCl (aq) → PbCl₂ (s) + 2NaNO₃ (aq)

First we <u>calculate the inital number of moles of each reagent</u>, using the <em>given volumes and concentrations</em>:

  • 0.255 M Pb(NO₃)₂ * 52.1 mL = 13.3 mmol Pb(NO₃)₂
  • 0.415 M NaCl * 38.5 mL = 16.0 mmol NaCl

Then we <u>calculate how many Pb(NO₃)₂ moles reacted with 16.0 mmoles of NaCl</u>, using the <em>stoichiometric coefficients of the reaction</em>:

  • 16.0 mmol NaCl * \frac{1mmolPb(NO_3)_2}{2mmolNaCl} = 8.00 mmol Pb(NO₃)₂

Now we <u>calculate the remaining number of Pb(NO₃)₂ moles after the reaction</u>:

  • 13.3 mmol - 8.00 mmol = 5.30 mmol Pb(NO₃)₂

Finally we <em>divide the number of moles by the final volume</em> to <u>calculate the concentration</u>:

  • 5.30 mmol / (52.1 mL + 38.5 mL) = 0.0585 M
6 0
3 years ago
Explain why almunium is often used for long distance over head electirc cables ( high volitage wires)​
abruzzese [7]

Answer:

lower price and higher voltage capacity for the weight.

5 0
3 years ago
Which equation best represents the behavior of acetic acid, hc2h3o2, in water?
frutty [35]

The equation that best represents the behavior of acetic acid in water is; CH3CO2H + H2O ⇄ CH3CO2− + H3O+.

Acetic acid, like all other acids dissociates in water. The equation for the dissociation of acetic acid in water is; CH3CO2H + H2O ⇄ CH3CO2− + H3O+.

During this dissociation, the acid proton in acetic acid is transferred to water to form the oxonium ion H3O+.

The presence of H3O+ in solution accounts for all the observed properties of acetic acid in solution.

Learn more: brainly.com/question/14072179

3 0
2 years ago
8. An unknown mixture that is uniform, does show the Tyndall Effect, and does
Mariulka [41]

Answer:

B. Colloid

Explanation:

Colloid is a mixture that is made up of very small homogeneous particles, thus can not be separated into fractions. Its particles do not settle as other solution, but are evenly dispersed in the medium. Some examples are: liquid milk, jelly, rubber etc

Since colloid is a solution, thus it is made up of two parts; its particles and dispersing medium.

5 0
4 years ago
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