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Natalija [7]
3 years ago
5

Since water can be prepared in the laboratory

Chemistry
1 answer:
Arturiano [62]3 years ago
7 0

Answer:

# In a familiar high-school chemistry demonstration, an instructor first uses electricity to split water into its constituent gases, Hydrogen and Oxygen. Then, by combining the two gases and igniting them with a spark, the instructor changes the gases back into water with a loud pop (That means the energy is released in the process).

# There are new other ways to produce water in laboratory, however, the scientists can not produce water in large quantity for the masses, because of some reasons.

1- Theoretically, this is possible, but it would be an extremely dangerous process. Since Hydrogen is extremely flammable and Oxygen supports combustion, it wouldn’t take much to create this force, but we also have an explosion. That’s why this process can be a deadly one if our experiment is big enough.

2- Personally, I think that it makes no sense to produce water in a laboratory ( or in a large plant) for people to use as daily water. The much more important thing we need to do is to save our environment, our planet Earth. Because the daily water people drink contains not just water molecules but other minerals, the marine life is depend not just in water molecules but diferent factors, etc.

Explanation:

This is just my personal opinion. Hope that can help you a little. Have a nice day

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Your mass can never change no matter where you are since mass is the amount of matter you contain.  By going to the moon, you do become lighter due to the weaker gravity but the amount of matter that you are made of (your mass) does not change.

I hope the helps.  Let me know if anything is unclear.
3 0
3 years ago
As a gas is compressed in a cylinder, the pressure of the gas
hichkok12 [17]

Answer:

As a gas is compressed in a cylinder its pressure

As the compression proceeds the volume of the chamber is decreasing and since mass is same, density increases. Similarly as volume decreases the number of gas molecules colliding with the walls increases as the density increases, so the pressure on the wall also increases.

6 0
3 years ago
Which best describes what happens when a neutral atom becomes a positive
defon

Answer: the answer is b

Explanation:

8 0
3 years ago
How is good at electron configurations in chemistry?
Paha777 [63]

Try to understand all the rules and laws like:

Aufbau Principle

Hund's rule

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8 0
3 years ago
Which of the following is a strong reducing agent? Explain how you know.
swat32
The answer is: <span>The principal idea here is how r they obtained: 
for example: sodium  u put equal molar concentrations of sodium (Na) and sodium ion (Na+)  together in a beaker , then dip in this solution a platinium wire (zero potential) which is connected to a normal hydrogen electrode (electrode with zero potential)  then u see the reading of the whole circuit 
if it is negtive, this means negative potential which means that the reducing property predominates where Na(reducing agent) is oxidized and electrons r accumulated on the platinum which gives it negative charge 
This means that (Na) is a reducing agent, its strength depends on the value of the potential obtained, and here the table can help you 
If u want to know if it's strong red. agent, look for it in the table, see if it has higher reduction potentail (or lower oxidation potential, same idea) than most other substances then it is reducing agent 
and vice versa 

So if we look at ur examples, u will find that MnO4- is the very strong oxidizing agent (has highest oxidation potential) (lowest reduction potential) 

H+ and H2 are both with zero potential, no redox properties 

And lastly Na and Na+: 
This u can know from ur knowledge in chemistry, that sodium is very rarely found in elemental form and always in the form of ion so u can deduce that Na is the very strong reducing agent 
or u can see the value of its standard oxi or red potetial and deduce which is the predominating form of them. 

I hope this helps</span>
4 0
4 years ago
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