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Kazeer [188]
3 years ago
9

I couldn't find Science, or there is really no Science?

Chemistry
1 answer:
navik [9.2K]3 years ago
5 0

Answer:

Yes

no

no

yes

yes

yes

no

yes

yes

no

Some of these activitise that i said yes don't nessiseraly require you to hear, rather it would affect your experiance doing them without ears or the ability to hear. You realy don't need to be able to hear to play a gauter, it depends on how you learn.

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Which substance is the oxidizing agent in this reaction? feo+co→fe+co2 express your answer as a chemical formula?
In-s [12.5K]
In the equation given above, the oxidizing agent is FeO.
An oxidizing agent in a chemical reaction is defined as that substance, which has the capacity to oxidize other substances by gaining electrons from them. In a chemical reaction, an oxidizing agent is usually reduced by gaining electrons.
In the chemical equation given above, iron ll oxide oxidizes carbon monoxide to carbon dioxide. 
6 0
4 years ago
Read 2 more answers
The principle that states that atoms tend to form compounds in which each atom has eight electrons in its highest occupied energ
Mrac [35]
The correct answer is the octet rule.

Octet rule states that atoms tend to bond in order to have 8 electrons in their outer most electron orbit achieve stable configurations of noble gases.

When atoms form covalent bonds, they achieve the goal of having 8 electrons by sharing the electrons.

In ionic bond, atom either gain or lose an electron and form ions that have the stable configuration of 8 valence electrons.

Not all atoms follow the octet rule and there are many exceptions and variations.
8 0
4 years ago
Please help me out with this...please<br><br> I also put the periodic table too just in case:)
ira [324]
It would be group 1, the alkali metals and group 17, the halogens.

Hope this helps! (:
5 0
3 years ago
"Alkenes" ________.are reasonably soluble in water are relatively polar compounds have lower boiling points than alcohols of sim
aleksandr82 [10.1K]

Answer:

The answer to your question is: the third option is correct.

Explanation:

"Alkenes" ________.

are reasonably soluble in water This option is incorrect, alkenes are insoluble in water.

are relatively polar compounds  This option is wrong, alkenes are not polar molecules.

have lower boiling points than alcohols of similar molecular weight This option is true, alkenes have a lower boiling point than alcohols.

both have lower boiling points than alcohols of similar molecular weight and are relatively polar compounds. This option is incorrect because is combining true with false facts.

8 0
3 years ago
It takes 281.7 kJ of energy to remove 1 mole of electrons from the atoms on the surface of lithium metal. If lithium metal is ir
Alex17521 [72]

Answer:

The maximum kinetic energy of electron is = 2.93 × 10^{-19} Joule

Explanation:

We know that total energy

E = \frac{hc}{\lambda}  ------------ (1)

Here h = plank's constant = 6.62 × 10^{-34} J s

c = speed of light = 3 × 10^{8} \frac{m}{s}

\lambda = 261 nm = 261  × 10^{-9} m

Put all these values in equation (1) we get

E = 7.6   × 10^{-19} J

We know that

Total energy = Energy to remove an electron + K.E of electron

Energy to remove an electron = \frac{281.7 (1000)}{(6.023)10^{23} }

Energy to remove an electron = 4.67  × 10^{-19} J

K.E of electron = Total energy - Energy to remove an electron

K.E of electron = 7.6   × 10^{-19} -  4.67  × 10^{-19}

K.E of electron = 2.93 × 10^{-19} Joule

Therefore the maximum kinetic energy of electron is = 2.93 × 10^{-19} Joule

3 0
4 years ago
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