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3 years ago

a neutral atom is bombarded with sufficient energy that an electron is liberated. the result is called

Chemistry

1 answer:

timofeeve [1]3 years ago

5 0

Answer:

A cation.

Explanation:

When an electron is liberated, that means it is removed from the atom.

When an electron is lost, the atom is ionized, and becomes a cation.

It becomes a cation because it loses one negative charge, and therefore become positively charged.

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An atom or ion has 16 protons, 15 neutrons, and 17 electrons. Is it positive, negative, or

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3 years ago

The layered structures made of calcium carbonate by precambrian cyanobacteria are called _____.

Valentin [98]

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3 years ago

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Geologic time is a way to _______.

mylen [45]

Answer: Geologic time is a way to measure the sequence of events on Earth over time

Explanation:

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3 years ago

2CO(g)+O2 (g) =2CO2(g)

Ronch [10]

Answer:

6.76 moles.

Explanation:

2CO(g)+O2 (g) =2CO2(g)

When 2 CO mols were reacted with excess O2 then 2 mols of CO2 is created.

Therefore if 6.76 moles reacted, same number of CO2 will be created.

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3 years ago

Determine how much energy is needed to change 50 g of liquid water at 100°C to steam.

marin [14]

Answer:

$Q=113,000J$

Explanation:

Hello there!

In this case, since the vaporization process is carried out in order to turn a liquid into a gas due to the addition of heat, we can use the following heat equation involving the heat of vaporization of water or any other substance:

$Q=m*\Delta _{vap}H$

Thus, since this heat of vaporization for water is 2259.36 J/g, we plug in this amount to obtain the total energy for this process.

$Q=50*2259.36 J/g\\\\Q=113,000J$

Which is positive due to the necessity of heat.

Regards!

5 0

3 years ago