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rewona [7]
3 years ago
5

Entropy measures _____. 1 point A. Energy B. Heat Transferred C. Disorder D. Force

Chemistry
2 answers:
dlinn [17]3 years ago
7 0

Answer: Option (C) is the correct answer.

Explanation:

The degree of randomness or disorder is known as entropy. This means that more randomly or rapidly the molecules of a substance are moving in a container or in the Universe more will be its entropy.

For example, gases move more rapidly that solids or liquids and hence gases have high entropy.

Therefore, we can conclude that entropy measures disorder.

Flauer [41]3 years ago
7 0
The answer is disorder
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How many moles of h+ ions are present in 2.8 l of 0.25 m hydrobromic acid solution?
Romashka [77]

0.7 mol of H⁺ ions are present in 2.8 l of 0.25 m hydrobromic acid solution.

Hydrobromic acid is a strong acid, we can assume that all acid molecules dissociate completely to yield H+ ions and dissociated anion.

<h3>The equation for the dissociation of HBr :</h3>

                             Hbr <em>(s) →  </em>H⁺ <em>(aq)  </em>+  Br⁻<em> (aq)</em>

<em></em>

moles H⁺ = (2800ml) ( \frac{1L}{1000ML})  (\frac{0.25 mol Hbr}{L}) ( \frac{1 mol H}{1 mol Hbr})

               = 0.7 mol

Therefore, 0.7 mol of H⁺ ions is present.

Learn more about H⁺ ions here:

brainly.com/question/12697532

#SPJ4

4 0
1 year ago
There are ___________ of different kinds of proteins in the human body?
Natasha2012 [34]

Answer:

In humans, up to ten different proteins can be traced to a single gene. Proteome: It is now estimated that the human body contains between 80,000 and 400,000 proteins. However, they aren't all produced by all the body's cells at any given time. Cells have different proteomes depending on their cell type.

Explanation:

7 0
2 years ago
Read 2 more answers
A children's liquid medicine contains 100mg of active ingredient in 5 mL. If a child should receive 200 mg of the active ingredi
GaryK [48]
Answer: 10ml
In this question, you are given the liquid medicine concentration (100mg/5ml) and the doses of the medicine that must be taken(200mg). You are asked how much ml of the drug needed. Then the calculation would be:

Volume of drug needed= doses of the drug / drug concentration
Volume of drug needed= 200mg / (100mg/5ml)= 10ml

8 0
3 years ago
What is a polyprotic buffer?
coldgirl [10]
Buffers - mixtures of conjugate acid and conjugate base at ±1 pH unit from pH = pKa. Resistant to changes in pH in response to small additions of H+ or OH-. ... Polyprotic acids - dissociation of each H+ can be treated separately if the pKa values are different
3 0
3 years ago
A fossilized leaf contains 24% of its normal amount of carbon 14. how old is the fossil (to the nearest year)? use 5600 years as
sergij07 [2.7K]
The Half life is the time taken for a radioisotope or a radioactive substance to decay by half its original amount. The half life of carbon 14 is 5600 years. 
Original mass is 100%
Remaining amount is 24% 
Therefore; 0.24 = 1 × (1/2)^n
                     n = log 0.24/log 0.5
                        = 2.06
therefore, the age of the fossil is 5600×2.06
 = 11529.8 
 ≈ 11529 years

7 0
3 years ago
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