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3 years ago

Why indium is malleable

Chemistry

1 answer:

marishachu [46]3 years ago

4 0

Answer:

Indium metal is a soft and malleable metal (like lead) and resistant to corrosion. ... Because of its low melting point (156°C), Indium metal reduces the melting point of the alloy, making it suitable for low-temperature soldering and manufacturing.

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Do the molecules in a desk have energy?

Harrizon [31]

Everything requires energy to move. If the desk is moving, then it has energy.

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3 years ago

a chemist want to make a solution of 3.4M HCl there are tow solutions of HCl that he can find on the shelf. one has a concentrat

steposvetlana [31]

Answer:

The most concentrated one, 6.0 M.

Explanation:

A simple and reliable way to produce a solution of HCl (or anything else, for that matter) is to use a more concentrated solution and dilute it.

In this case the chemist could take a portion of the 6.0 M solution and dilute it by adding water, until the concentration is 3.4 M.

Such a process would not be possible with the 2.0 N (which is the same as 2.0 M for HCl) solution.

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3 years ago

What is a real life example of osmotic pressure?

Alexus [3.1K]

Animal Cells
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3 years ago

Give the following for SO2 and BrF5:

frosja888 [35]

Answer:

The given molecules are SO2 and BrF5.

Explanation:

Consider the molecule SO2:

The central atom is S.

The number of domains on S in this molecule is three.

Domain geometry is trigonal planar.

But there is a lone pair on the central atom.

So, according to VSEPR theory,

the molecular geometry becomes bent or V-shape.

Hybridization on the central atom is

$sp^{2}$ .

Consider the molecule BrF5:

The central atom is Br.

The number of domains on the central atom is six.

Domain geometry is octahedral.

But the central atom has a lone pair of electrons.

So, the molecular geometry becomes square pyramidal.

The hybridization of the central atom is $sp^{3} d^{2}$ .

The shapes of SO2 and BrF5 are shown below:

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3 years ago

If 225 cal of heat is added to 15.0 g of 2-propanol at room temperature, 25ºC, the alcohol will reach a final temperature of ___

natima [27]

Explanation:

I have no idea about this

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3 years ago