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3 years ago

Does a reaction occur when aqueous solutions of silver(I) acetate and manganese(II) iodide are combined?

Chemistry

1 answer:

san4es73 [151]3 years ago

7 0

Answer:

When aqueous solutions of silver(I) acetate and manganese(II) iodide are combined, an insoluble precipitate of silver(I) iodide is formed

Explanation:

It is an example of precipitation reaction.
When aqueous solutions of silver(I) acetate and manganese(II) iodide are combined, an insoluble precipitate of silver(I) iodide is formed.
Precipitation of silver(I) iodide is confirmed by it's yellow color.
Hence a reaction is observed.
Molecular reaction: $2Ag(OAc)(aq.)+MnI_{2}(aq.)\rightarrow 2AgI(s)+Mn(OAc)_{2}(aq.)$

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For an electron with angular (azimuthal) quantum number ℓ = 2, the magnetic quantum number m can have

Paraphin [41]

Answer:

-2, -1, 0, +1, +2

Explanation:

The quantum numbers describe the quantum state of an electron in an atom. These numbers are symbolized as n, l, m, and s. There are rules for the combination of these numbers. The angular quantum number (ℓ) is related to the magnetic number (m): if ℓ is equal to a number a, thus m can be any integer number between - a and +a.

According to this rule:

If ℓ = 2, thus m can be have a value of an integer between -2 and +2 ⇒ -2, -1, 0, +1, +2

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3 years ago

A common radio wavelength observed coming from astronomical objects is 21 cm. What temperature is associated with this radiation

qaws [65]

Answer:

The temperature associated with this radiation is 0.014K.

Explanation:

If we assume that the astronomical object behaves as a black body, the relation between its wavelength and temperature is given by Wien's displacement law.

$\lambda_{max}=\frac{b}{T}$

where,

λmax is the wavelength at the peak of emission

b is Wien's displacement constant (2.89×10⁻³ m⋅K)

T is the absolute temperature

For a wavelength of 21 cm,

$T=\frac{b}{\lambda _{max} } = \frac{2.89 \times 10^{-3} m.K }{0.21m} =0.014K$

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4 years ago

What type of reaction is 3 and 4 ?

lilavasa [31]

Answer:

3 is decomposition

4 is double replacement

Explanation:

In decomposition reactions, a compound (two or more elements) are broken down into singular elements.

Double replacement reactions have two different compounds, one element from a compound switches with another element in the other compound.

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3 years ago

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What minimum energy is required to excite a vibration in HCl?

VMariaS [17]

Answer:

8.85 × 101 ^ 13 S^-1

Explanation:

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3 years ago

How do you explode stuff

Svetradugi [14.3K]

Well. Depends.
You plan on doing a school project?
You should try baking soda and vinegar, almost everyone knows about this.
Orr you can use mentos and soda.
Or for fun, just get a watermelon or any fruit and use rubber bands all around it until it goes BOOM!

Hope this helps :D

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3 years ago

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