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Naily [24]
3 years ago
13

HELP PLZ ITS DUE SOON!!

Chemistry
1 answer:
sergey [27]3 years ago
7 0
It is the second option! the square with more orange dots will have to move over so that there is an equal amount or equilibrium! another way to look at it is, if we just moved the one dot on the left side then that side would be empty and there would not be equilibrium
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What do you look at to tell the reactivity of an atom?
tia_tia [17]

Answer:

The number of electrons in the outermost shell of an atom determines its reactivity. Noble gases have low reactivity because they have full electron shells. Halogens are highly reactive because they readily gain an electron to fill their outermost shell.

Explanation:

I hope this helped!

8 0
3 years ago
Explain why energy sources do not have 100% efficiency. Why do you think some have lower efficiencies?
bearhunter [10]

Answer:

Energy sources do not have 100% efficiency because <em>the processes of energy conversion to usable forms involves energy losses. </em>

Some have lower efficiencies due to; <u>energy losses in form of heat</u> during conversion, <u>poor technology applied during conversion</u> of energy and<u> lack of desire equipment</u> to use in the energy conversion system.

Explanation:

The desired form of energy for use is derived from conversion of energy from the source using an energy converter into another form which is usable. The efficiency of the energy converter is calculated as;

л = output energy/input energy

The efficiency of energy is limited to the cost of equipment required for conversion from energy source by the energy converter to a form which is usable. Additionally, because energy sources are scarce, the technology to use in energy  conversion is a factor affecting energy efficiency in that high efficiency will require advanced technology with better equipment leading higher costs of that energy form. when heat losses are involved during energy conversion, efficiency lowers, thus its better if such losses are used as energy input in another system.

5 0
3 years ago
Mercury(II) oxide (HgO) decomposes to form mercury (Hg) and oxygen (O2). The balanced chemical equation is shown below.
IceJOKER [234]
2HgO=2Hg + O2
433,18 g. = 32 g
x. = 250 g
x= 3 384,21875 g of HgO is needed
4 0
3 years ago
Where is most of Earth's liquid water ? what must be done so humans can drink it ?
LiRa [457]
You're right it's the oceans.. since most is salt water, the salt has to be boiled out 
4 0
3 years ago
Read 2 more answers
Heating oxygen difluoride gas yields oxygen gas and fluorine gas? Whats the balance chemical equation for this?
N76 [4]
2OF2(g) —> O2(g) + 2F2(g) hope that helps
5 0
3 years ago
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