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alexandr1967 [171]
3 years ago
10

Hi, can i have help please?

Chemistry
1 answer:
andreev551 [17]3 years ago
6 0

Answer:

what class?

Explanation:

is there codes for each of these

i think that would be easier to figure out

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dimaraw [331]

Answer:

neon gas

Explanation:

neon is a noble gas, meaning it has a full outer shell of elections. this means it is stable and is very unlikely to have a reaction with another substance.

7 0
3 years ago
Write the chemical equations for the neutralization reactions that occurred when hcl and naoh were added to the buffer solution.
irga5000 [103]
A base and an Acid always react to form a salt and water

So, HCl + NaOH —> NaCl + HOH
5 0
3 years ago
What is the most important requirement for all living things? water carbon dioxide light vitamins
Sidana [21]
Water. All organisms that depend on oxygen need water to live.
5 0
3 years ago
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Is a specimen a monocot or dicot
den301095 [7]
Monocots<span> have only one seed leaf inside the seed coat. It is often only a thin leaf, because the endosperm to feed the new plant is not inside the seed leaf. </span>Dicots <span>have two seed leaves inside the seed coat. They are usually rounded and fat, because they contain the endosperm to feed the embryo plant.
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7 0
3 years ago
If you add more molecules but do not change the temperature or the pressure, what will happen to the system?
VladimirAG [237]

Answer:

the volume will increase

Explanation:

The kinetic energy of gas molecules depend upon the temperature . If temperature is increased , the molecules will move faster . When temperature is decreased , they move slower .

Hence when more molecules are added to a gas without changing its temperature , the velocity of gas molecules will remain unchanged .

Since pressure  is also constant , it is volume which will be increased .

It can be explained from universal gas formula as follows

PV = nRT

P , R and T is constant ,

V ∝ n

Volume is proportional to n which depends upon number of molecules .

So volume will increase if number of molecules increases .

6 0
3 years ago
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