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marusya05 [52]
4 years ago
11

How is an ideal solution described by raoult's law?

Social Studies
1 answer:
OLga [1]4 years ago
3 0
Raoult's law<span> (/ˈrɑːuːlz/ </span>law<span>) is a </span>law<span> of thermodynamics established by French chemist François-Marie </span>Raoult<span> in 1887. It states that the partial vapor pressure of each component of an </span>ideal<span>mixture of liquids is equal to the vapor pressure of the pure component multiplied by its mole fraction in the mixture.</span>
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Calculate the fractional saturation for hemoglobin when the partial pressure of oxygen is 72 mm Hgmm Hg. Assume hemoglobin is 50
kiruha [24]

Answer:

<em>0.964 or 96.4 %</em>

Explanation:

Hemoglobin is the red component of the red blood cell, it combines with oxygen to keep the body functional. The fractional saturation of hemoglobin is usually computed graphically but the hill equation gives a more specific value.

Calculations:

The hill equation can be expressed as;

Y_{O_{2} } =\frac{(P_{O_{2} })^{h}}{(P_{_{50} })^{h}+(P_{O_{2} })^{h}}

 Where Y_{O_{2} } is the fractional saturation of oxygen =?;

            P_{O_{2} } is the partial pressure of oxygen = 72 mm Hg;

           P_{_{50} is the partial pressure of oxygen when the hemoglobin is 50%    

                 saturated  = 24 mm Hg and;

            h is the Hill coefficient = 3.

Substituting the values into the expression above we have;

Y_{O_{2} } =\frac{(72 mm Hg_{_{} })^{3}}{(24 mm Hg_{_{} })^{3}+(72 mm Hg_{_{} })^{3}}

Y_{O_{2} } = \frac{373248}{13824 + 373248}

Y_{O_{2} }  = \frac{373248}{387072}

Y_{O_{2} } = 0.964

Therefore the fractional saturation is 0.964 or 96.4 %(multiply by 100)

3 0
4 years ago
According to james marcia, the status of adolescents who consider various identity alternatives, but never commit to one or neve
alexira [117]

According to james marcia, the status of adolescents who consider various identity alternatives, but never commit to one or never even consider identity options in any conscious way is called "'identity diffusion."

<h3>What is identity diffusion?</h3>

Identity diffusion is among four identity status updates defined in the 1960s by psychologist James Marcia. Identity diffusion typically occurs during adolescence, when individuals attempt to form their personalities, but it can occur later in life.

Some key features regarding the identity diffusion are-

  • Identity diffusion happens when a student has not committed to and is not working to form an identity.
  • Many people go through and probably grow out of an identity crisis in early adolescence or in childhood. Long-term completely get rid is possible, however.
  • Marcia examined identity formation along two aspects:
  1. if the individual has gone through with a decision-making period, known as a crisis, and
  2. if the individual has committed to specific occupational options or ideological beliefs.
  • Marcia's emphasis on occupation & ideology, in particular, stemmed from Erikson's proposal that one's occupation and commitment to specific values and beliefs are fundamental components of identity.

To know more about the identity diffusion, here

brainly.com/question/4412284

#SPJ4

5 0
2 years ago
It has been traditional for the man rather than the woman to receive the check when a couple dines out. A researcher wondered wh
NeTakaya

Answer:

Check being presented to the gender is the dependent variable

Which gender takes charge is the independent variable

Explanation:

The relationship between two variables is found observing which variable changes the other.

When a variable changes irrespective of the other variable it is the independent variable.

When a variable changes with respect to the independent variable it is the dependent variable.

Here, the effect of who takes charge during dinner is being observed and whether this effect causes a change in who the check is presented to is noted.

Hence the check being presented to the gender is the dependent variable and which gender takes charge is the independent variable.

5 0
4 years ago
1. Why was the Han period considered a Golden Age of Chinese civilization? (1 point) A. because of the establishment of a Legali
Svetllana [295]
<span>1. The Han period was considered a Golden Age of Chinese civilization because D. because of advances in science, medicine, technology, and the arts. This period is known as the most prosper one that caused the foundation of China as a unified state under a central imperial bureaucracy and led to the great extension of the China lands.

2. Buddhism’s Four Noble Truths and Eightfold Path most likely appeal to so many people because A. They promised a way for people to end worldly suffering. According to the main characteristics of Buddhism, through the right view, right resolve, right speech, right conduct, right livelihood, right effort, right mindfulness, and right "samadhi" people can attain nirvana, stop their suffering and get their souls relieved.


3. The circumstances which contributed to the decline of the Han dynasty are:C. destruction caused by natural disasters, D. internal peasant revolts. and E. attacks by powerful warlords. Droughts and famine during the late Eastern Han dynasty posed as the major reason of decline and led to the peasant revolts. Also,local officials had too much power; their acknowledgment of the weak sides of the emperor helped them to manipulate and attack the emperor.


4) The Silk Road is considered an important part of Chinese history because D. It promoted the exchange of Western and Chinese goods and ideas. This ancient network of trade routes stretched through the Asian and European ( from the Korea and Japan to the Mediterranean Sea) countries which led to total success in both imports and exports.
5. Shi Huangdi imposed allegiance to a central government B. by replacing feudal states with military districts run by loyal officials. This decision of him was absolutely sensible as it helped his to show how he appreciates all the members of central government, and, as a result, it strengthened the state apparatus.


6. The advances which Han scientists made are:  A. created more accurate calendars and D. invented the compass. The development of accurate calendar in China was one of the most famous and distinguishing achievements  that took place during the Han dynasty, as well as the invention of compass. The compass was made of lodestone which is a naturally magnetized ore of iron.
7. I am definitely sure that the correct answer is about the o</span>ccurrence of (B) missionaries and traders spread Buddhism to other parts of Asia. It's the most suitable option from given above


<span>8. The ways how the causes of the Han decline exemplify the Chinese idea of the dynastic cycle are shown here: B. The aging dynasty could no longer maintain roads and canals. and D. Natural disasters indicated the dynasty had lost heaven’s favor. According to the Dynastic cycle theory, each dynasty successfully rises to its peak and then gradually declines due to moral corruption. Then it loses the Mandate of Heaven, and falls in order to be replaced by a new dynasty. These characteristics nicely reflects the causes of Han decline.

9. The ways how Han civil service system created a valuable legacy for future governments are: B. Government jobs were assigned according to merit measured by performance on exams. D. It established a long-lasting civil service system founded on strong Confucian values. During Han dynasty, civil service system employed examination that was needed and experienced to choose candidates for the state bureaucracy.

10. The ways how legalism helped Shi Huangdi centralize Han power are: B. It emphasized that the strength of a ruler rather than his goodness was most important. D. It asserted that people are greedy, and only tough laws and punishments can maintain order.The first emperor of China is famous not only for his majesty, but also for his cruelty and coolness. He took legalism as a basis of Chinese official ideology. This term ignored moral issues and was aimed to achieve governmental goals such as security and stability through strictness and focusing on autocracy.</span>
6 0
3 years ago
Read 2 more answers
As director of a positive youth development program working with teens who have been expelled from school for violent behavior,
shepuryov [24]

The main focus of the activities of my staff will be on how teens can have acceptable behaviors which can be used for nation building and how they can contribute positively to the nation.

Youths will be engaged in several programs within the community. These programs will recognize their strengths,  and help shape them for the future.

Youths will be taught about the importance of good behaviors and the negative effects of bad behavior in the society to enable them understand that only good behavior are essential for their development as an individual and as a nation as a whole.

Read related question on:

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4 0
3 years ago
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