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sashaice [31]
2 years ago
10

What is the density of a plastic ball that has a volume of 6cm) and a mass of 12g? 50 cm3

Chemistry
1 answer:
marissa [1.9K]2 years ago
4 0

Answer:

2 g/cm³

Explanation:

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Which set of changes does not involve breaking or forming chemilcal bonds
sineoko [7]
<h2><u>Answer:</u></h2>

It wasn't an adjustment in the condition of issue on the grounds that the vitality in the can did not change. Additionally, since this was a physical change, the atoms in the can are as yet similar particles. No synthetic bonds were made or broken.  You added enough vitality to make a stage change from strong to fluid.  

The main changes recorded which don't include framing or breaking substance bonds would bubble and liquefying. Bubbling and liquefying are physical changes as opposed to synthetic changes, so no new items are shaped.

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3 years ago
Which of the following elements has the smallest ionic radius?
GaryK [48]

Answer:

Lithium

Explanation:

Lithium is an alkali metal. This means that lithium is expected to be a member of the group one elements on the periodic table.

The group one elements ionize by losing one electron. Hence, the form univalent positive ions after ionization.

Lithium has 3 electrons, 2 belonging to the k shell with the valence L having the other electron. Upon ionization, it forms the ion Li+.

This means it has lost the electron in the valence shell probably through an ionic transfer. This means the only electron it has is in the S shell, which is of a smaller size when compared to elements having multiple rings of shell.

It is expected that negative ions become larger when they ionize as they receive more electrons while that of metals I.e positive electrons shrink when they ionize as they are givers of electrons.

5 0
3 years ago
Calculate the percent composition by mass of each element in Al(OH)3. Use at least three significant figures.
motikmotik

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7 0
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What components of static electricity theory does Electrostatic Precipitator make use of
Ivenika [448]

Answer:

Electrostatic smoke precipitators work by forcing dirty flue gas (the gas escaping from a smokestack) past two electrodes (electrical terminals), which take the form of metal wires, bars, or plates inside a pipe or smokestack

Explanation:

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Which is a Characteristic of a non elecrolyte​
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A nonelectrolyte is a substance that does not exist in an ionic form in aqueous solution. Nonelectrolytes tend to be poor electrical conductors and don't readily dissociate into ions when melted or dissolved. Solutions of nonelectrolytes do not conduct electricity.

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