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kotegsom [21]
3 years ago
9

What is chemistry and how is it different from biology

Chemistry
1 answer:
Len [333]3 years ago
3 0

Answer:chemistry is a subject that deals with composition of substances and of the changes which they undergo in consequences of alteration in the constitution of molecules which depend upon variation of the number, kind or mode of arrangement of the constituent atom while biology deals with characteristic life processes and phenomena of living organisms

Explanation

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A chemist is studying the following reaction: NO + NO2 ⇌ N2O3. She places a mixture of NO and NO2 in a sealed container and meas
Yuri [45]

Answer:

The reaction will continue in the forward direction until all the NO or all the NO₂ is used up.

Explanation:

  • <em>Le Châtelier's principle </em><em>states that when there is an dynamic equilibrium, and this equilibrium is disturbed by an external factor, the equilibrium will be shifted in the direction that can cancel the effect of the external factor to reattain the equilibrium.</em>

  • So, according to  Le Chatelier's principle, removing the product (N₂O₃) from the system means decreasing the concentration of the products; thus, the reaction will proceed forward to produce more product to minimize the stress of removing N₂O₃ from the system.

  • <em>So, the reaction will continue in the forward direction until all the NO or all the NO₂ is used up. </em>

<em></em>

5 0
3 years ago
If the pH of a solution is 5, what is the hydrogen ion concentration?
Gnoma [55]

Yo sup??

We know that

pH=-log[H+]

[H+]=10^(-pH)

pH=5

therefore

[H+]=10^(-5)

The medium is acidic

Hope this helps.

5 0
3 years ago
An aqueous solution has 124 g of a salt dissolved in 1000 g of solution. What is the concentration of the salt in units of %?​
tester [92]

Answer: 12.4%

Explanation:

124/1000 * 100 = 12.4%

3 0
2 years ago
A combustion reaction will always be associated with a change in entropy that will be:________.
Alex Ar [27]

Answer:

Option (A) : Positive

Explanation:

A combustion reaction will always be associated with a change in entropy that is Positive due to the gaseous products released. Hence, there is a large positive entropy change.

8 0
3 years ago
GUYS I REALLY NEED HELP
pentagon [3]
56% percent is the answer
6 0
3 years ago
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