“We all know fear,” says Walker, “but we think of fear as a weakness.” We're wired, she says, to be optimists. We conquer fear, fight it, “but what if we thought of fear as an amazing act of the imagination.” This view is easiest to see in young children, with vivid fears.....
An enzyme is found which converts a mole of cellobiose (A) into two moles of glucose (B) (i.e., A2B). At the dilute concentrations of interest, the reaction rate is proportional to the molar concentration of cellobiose and the reactor volume. In other words, RA-4CA, where k = 0.012/min for this enzyme. The enzyme is contained in a reactor of 100 m3. The feed rate of solution containing CAo 10 mole/m3 cellobiose is Q 2 m'/min. Let the steady-state concentration of A in the effluent be CA. Assume the reactor is well-mixed so that the concentration in the effluent is the same as the concentration in the reactor. Also, a membrane has been placed at the effluent so that no enzyme exits the reactor. i. What is the concentration of A in the effluent at steady-state? ii. What is the yield of B in the effluent at steady-state? iii. If the reactor originally contains 100 m3 of water and then the flow of cellobiose is commenced, at what time will the concentration of A in the effluent reach 75% of its steady-state value (calculated in part i.)? iv. At the time found in part ii, what will the concentration of B be in the effluent? At what time will the concentration of B in the effluent reach 75% of its steady-state value? V.
The concentration of A in the effluent at steady-state is 5 mole/m³. The yield of B in the effluent at steady-state is 2. The concentration of A in the effluent reach 75% of its steady-state value will be 57.62 minutes.
i. Since there is no cellobiose accumulation in the reactor, the rate of cellobiose consumption (RA) ought to be equal to the rate of cellobiose input (Q × CA₀) at steady-state.
RA = Q × CA₀
The formula RA = -4CA, where k = 0.012/min, yields the rate of cellobiose consumption. Therefore,
-4CA = Q × CA₀
Solving for CA, we get:
CA = -(Q × CA₀)/4
With the values Q = 2 m³/min and CA0 = 10 mole/m³ substituted, the following is obtained:
CA = -(2 × 10)/4
CA = -5 mole/m³
Since the concentration cannot be negative, we take the absolute value:
CA = 5 mole/m³
Therefore, the concentration of A in the effluent at steady-state is 5 mole/m³.
ii. The ratio of the moles of B produced to the moles of A consumed is known as the yield of B. Since A is changed into 2B in this instance, the yield of B is 2.
iii. The first-order reaction kinetics equation can be used to calculate how long it will take for the concentration of A in the effluent to get to 75% of its steady-state value:
CA(t) = CA₀ × [tex]e^{-kt}[/tex]
Where:
CA(t) = concentration of A at time t
CA₀ = initial concentration of A
k = rate constant
t = time
We set up the following equation to determine the time at which CA(t) reaches 75% of CA (steady-state):
0.75 × CA = CA₀ × [tex]e^{-kt}[/tex]
Substituting the given values, CA = 5 mole/m³, CA₀ = 10 mole/m³, and k = 0.012/min:
0.75 × 5 = 10 × [tex]e^{-0.012t}[/tex]
0.75 = [tex]e^{-0.012t}[/tex]
Taking the natural logarithm of both sides:
ln(0.75) = -0.012t
Solving for t:
t = ln(0.75)/(-0.012)
Using a calculator, we find:
t ≈ 57.62 minutes
The concentration of A in the wastewater will therefore take around 57.62 minutes to reach 75% of its steady-state value.
iv. Since A is changed into 2B, B's concentration will be double that of A.
CB = 2 × CA
Substituting the steady-state concentration of A (CA = 5 mole/m³), we get:
CB = 2 × 5 = 10 mole/m³
Therefore, at the time found in part iii, the concentration of B in the effluent will be 10 mole/m³.
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Why does Eleanor Roosevelt most likely use the image of Aladdin’s lamp in her speech?
She wishes that she could live in a fairytale world.
This image is used to contrast the past and present.
She hopes for a world more like Aladdin’s, with a lamp.
This image is used as a comparison of fairy tales to reality.
Answer:
(D) This image is used as a comparison of fairy tales to reality.
Explanation:
I got it correct on my quiz!
Answer:
D
Explanation:
PLS HELP WHAT DOES “shone in with all his glory” MEAN
either looking pretty or being the best you can be
Who gave Leo the
porcupine necktie?
Answer:
Uncle Pete
(if you're talking about the book 'stargirl')
(PLEASE HELP It's for my Creative Writing class and I need some examples) If you could be anything you wanted to be, what would it be and why? with some literally devices in the example of the poem
If I could be anything I wanted to be, I would be a bird soaring high above the clouds. I would spread my wings and feel the rush of wind beneath me. The freedom and joy that comes with flying is unmatched by anything else. I would be able to explore the world from a completely different perspective, seeing things that I could only imagine from the ground.
As a bird, I could fly to different places, experience different cultures and marvel at the beauty of the world.
This poem is an example of using a metaphor to describe what I would want to be if I could be anything. I am comparing myself to a bird and using its characteristics to describe the experience that I crave. The use of sensory language, such as the rush of wind, helps to create a vivid image in the reader's mind.
Another example of literary devices used in the poem is personification. I say that I would be able to explore the world and marvel at its beauty. The world is not capable of being marveled at, but by using personification, I am giving the world human-like qualities.
Lastly, imagery is another literary device that is used throughout the poem. I paint a picture in the reader's mind of what it would feel like to fly, what I would see, and what I would experience. Through the use of vivid descriptions and sensory language, I help the reader to feel as if they are experiencing the joy and freedom of flying alongside me.
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What do the rebels do with the young boys they capture?
Answer:
The rebels divide the group, separating Ishmael and Junior, and tell them their initiation will be to kill each other. Then, they march them to a riverbank and force them to their knees.
Explanation:
The context clue that best helps the reader understand the meaning of "snowy Kilimanjaro” is
After the snow stopped
to see if there was a lot of snow
had been transformed
I went to get a shovel
Answer:
D. I went to get a shovelExplanation:
Edge 2021The context clue that best helps the reader understand the meaning of "snowy Kilimanjaro” is I went to get a shovel
What is a Context Clue?This refers to the hints that are given about a given context to give a better understanding of the event.
Here, we can see that context clues were used to show the meaning of "snowy Kilimanjaro” because the narrator picked a shovel which shows that he wanted to shovel snow.
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I NEED HELP ON THIS QUESTION!!!!!
If you have convinced your audience to do this in your conclusion, you have been successful.
1. change their mind
2. take action
3. feel
4. smile
Answer:
2. Take action
Explanation:
Question 6(Multiple Choice Worth 10 points)
(MC)
I MET a traveller from an antique land
Who said: Two vast and trunkless legs of stone
Stand in the desert ... Near them, on the sand,
Half sunk, a shattered visage [face] lies, whose frown,
And wrinkled lip, and sneer of cold command,
Tell that its sculptor well those passions read
Which still survive, stamped on these lifeless things,
The hand that mocked them, and the heart that fed;
And on the pedestal these words appear:
"My name is Ozymandias, king of kings:
Look on my works, ye Mighty, and despair!"
Nothing beside remains. Round the decay
Of that colossal wreck, boundless and bare
The lone and level sands stretch far away.
Select one piece of evidence that supports the situational irony of the poem.
Antique land
Who said
Wrinkled lip
Half sunk
Answer:
This question is based on the poem 'Ozymandias' by P.B. Shelley.
The word 'visage' in the line 'Half sunk, a shattered visage lies' means the features of a person's face. From the given words, the word 'frown' supports the meaning of the word 'visage.' A 'frown' is an expression of a person's face that shows or expresses displeasure and/or concentration. Hope this help
please someone can answer this?
I can tell you that to answer that I need to read the article before the questions.
Obvious if there is an article if not I do not understand.
Answer: Granny's attitude towards Masha's weather prediction is surprised
Explanation: in passage 2 you should see the answer
Which step in the metacognitive thinking process includes reviewing how you did after the task was completed, determining what you did correctly, and figuring out what you could have done better?
understanding thinking strategies
understanding thinking
understanding awareness
understanding reflective strategies
Answer:
A
Explanation:
USE OF SECOND CONDITIONAL.
If you ____________ (get) more exercise, I’m sure you ________________ (feel) healthier and happier.
Answer:
if you got more exercise, I'm sure you felt healthier and happier.
What is the value of the expression [ 5 × (3+6)-8? A. 5 B. 13 C. 37 D. 112
Answer: it is 37 because of PEMDAS
Explanation:
I need help with this asap
Answer:
what asap??????????????Explanation:
can you explain me what asap..
Why is it easy to avoid anger?
Some of the students are concerned that distance learning will replace more traditional college experiences, while others are hopeful that distance learning will improve and expand. Which perspective do you agree with, and why?
Answer:
I would agree with those who worry that distance learning will replace traditional learning experiences.
This is because though distance learning allows for greater coverage and accessibility of learning, it also foregoes the physical and social aspects of being physically present for classes.
Explanation:
While there is definitely some advantage of distance learning, there is nothing that is at par with a traditional form of learning, Distance learning may make learning more accessible for many people from diverse backgrounds. It also makes it possible for the spread of learning, the possibility for those in the remotest parts of the country to be able to get the same learning as others.
But at the same time, there is the issue of learning on-site. Traditional forms of learning make the learner be present for the actual class and also be socially involved in any of the learning processes. I'm not saying that distance learning does not have any activities for social interaction between the students. But traditional learning system requires the students to go to college, interact with others, work on things together, and be 'present' physically and mentally. Despite what others and many may think, I still prefer the traditional learning experience over distance education. And so, I would side with the students who worry about traditional learning being replaced by distance learning.
In "From Emperor to Citizen," which of the following word pairs best describes P’u Yi's shift in attitude toward P’u Chieh after they finish playing hide-and-seek?
A. from playful to solemn
B. from friendly to incensed
C. from brotherly to indifferent
D. from lighthearted to disapproving
Answer:
From lighthearted to disapproving
Explanation:
The attitude of Puyi towards Puji was changed at the end of the hide and seeks game from the light-hearted to the disapproving.
What is From Emperor to Citizen?From Emperor to Citizen is the autobiography written by Puyi, the last emperor of the China. Puji was the younger brother of Puyi.
With the decline of the Puyi Empire, he fled to Soviet, while Puji joined the communist party and serve the nation in varying polices.
In childhood while playing hide and seek, Puyi attitude shifted from being light-hearted to disproval towards Puji. Thus, Option D is correct.
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Some things that I did over spring break are…
Some things that I wanted to do this spring break are…
Answer:
I went to a sleepover with my friends
I wanted to go out more but that's really it lol
Reread the following sentence from the story.
She grew up in India.
Which word in the sentence is the preposition?
grew
up
in
Answer:
In is the preposition
Explanation:
A noun is a person place or thing. A preposition comes before a noun and India is a noun.
Answer:
Both up and in are prepositions. I don't know if you wanted just one answer, but they are both prepositions. Hope that helped, and if it didn't, I'm so so sorry.
What is the difference between subject and theme? How is theme communicated in a novel? Minimum 4 sentences.
Answer:
Subject can be defined as the characters, setting, and general plot of a literary work. Theme, on the other hand, addresses the main idea or the author's message. It involves a statement or opinion. It is revealed through the feelings of character(s), their thoughts and conversations, and actions or event.
Explanation:
Which sentence uses the correct version of the homophone its? Next we took it's temperature.She carried the purse by its strap.You need to know when its time to leave.Its all about the money
Answer:
She carried the purse by its strap.
Explanation:
Homophones are words that have the same sounds but differ in their meaning and spelling. This means that some words are the same in the way they are pronounced but their similarity ends there and they are totally different in their spelling and meaning.
In the given sentence, that particular word is "its/it's". Here, the difference lies in the use of the inverted comma, which totally changed everything. "Its" refer to the possessive nature of the noun or pronoun whereas "it's" is the contracted form of 'it is'.
Now, the sentence that uses the correct version of the homophone 'its' is the second sentence.
Here, the 'its' is used to refer to the strap of the purse, which is correct. The 'its' in the other sentences are supposed to be 'it's'.
Thus, the correct answer is "She carried the purse by its strap."
An invisible thread chapter 3-4 summary. Please tell me!!
I don't know how to access the answer? How does this work? I am new at this.
Answer:
we are the ones who anwser the kids and adults
Explanation:
PENN FOSTER ENG 4
URGENT NEED THESE ANSWERS FAST
1.Which of the following sentences uses a semicolon correctly?
A. Before metal hoops with backboards; players used peach baskets.
B. The first basketball games; were played with a soccer ball.
C. Basketball is a popular sport; it's easy to learn and play.
D. Basketball was invented by a Canadian; named James Naismith.
2. Which detail from "The Necklace" provides evidence that supports the theme of never being satisfied?
A. Mr. Loisel will do anything to make Matilda happy, even selling his prized gun her.
B. Matilda is sad despite having a new dress for the ball, leading her to borrow the necklace.
C. Mrs. Forestier thinks that Matilda should have returned the necklace sooner.
D. Matilda suggests that her husband to her give the invitation to another woman.
3. How does the author separate thoughts in the following passage? She was simple, not being able to adorn herself; but she was unhappy, as one out of her class; for women belong to no caste, no race; their grace, their beauty, and their charm serving them in the place of birth and family.
A. Colons
B. Dependent clauses
C. Independent clauses
D. Semicolons
4. In lines 6-7 of "The New Colossus," who can the reader infer that the light welcomes? A. Oppressed people (exiles) B. The Statue of Liberty
C. Those who hope to be a beacon of light
D. Those who are proud of their history and heritage
5.The necklace in the story symbolizes
A. that greed will take everything you Own.
B. that things aren't always what they appear.
C. the internal conflict Matilda faces.
D. that hard times won't last.
6.Which of the following sets the events of the plot in motion?
A. Matilda's poor luck to be born in a class below her her beauty
B. Matilda's desire to be "better" than she is, and part of a higher class
C. Mrs. Forestier's insistence that Matilda return the necklace quickly
D. Mr. Loisel's inability to find the lost necklace
7. Which of the following words best describes Mrs. Forestier?
A. Spiteful
B. Selfish
C. Giving
D. Dishonest
8. Which of the following excerpts is an example of irony in "The Necklace?"
A. Mr. Loisel doesn't love Matilda when she loses her beauty her.
B. Matilda loses her beauty her because of a falsely beautiful necklace.
C. Matilda doesn't want the cloak her to COver her necklace her.
D. Mrs. Forestier remains beautiful and carefree.
9.Which of the following sayings means that, no matter the change in circumstances, you can't escape your inner self?
A. A bird in the hand is worth two in the bush.
B. It don't mean a thing if it ain't got that swing.
C. Wherever you go, there you are.
D. A stitch in time saves nine.
10. Many of Guy De Maupassant's stories criticized the bourgeoisie, or
A. ruling class.
B. lower class.
C. middle class.
D. upper class.
Answer:
1. A
2. B
3. D
4. A
5. B
6. A
7. C
8. A
9. C
10. C
Explanation:
Hope this helps!
Pls brainliest!
Which of the following best describes “street smarts” in “The More You Know, the Smarter You Are?”
A. learning from our own experiences and applying that learning to future situations
B. learning that occurs when we are trying to reach a goal or complete a task
C. learning about our weaknesses and strengths and how to deal with them
D. learning that everything changes over time, and again and again
PLSSSSSSSSSSSSSSSSSSSSSSSSSS HELP!!!!!!!!!!!!!!! will give brainlest PLSSSSSSSSSSSSSSSS!!!!!!!!!!!!!!!!!!!!!!! Zoominiftoosmallpls
Answer:
8 or 6 im not so sure but its either one i bet
Explanation:
(No links )
Pls help~English ~ill mark brainliest if correct
Answer:
I believe it is (b.
Explanation:
Dillon Company uses the allowance method to account for bad debts. The entry to record when already written-off bad debt is collected in cash should be:
Debit Credit
A. Cash Accounts receivable
B. Allowance for bad debts Bad debt expense
C. Cash Bad debt expense
D. Cash Allowance for bad debts
a. Option A
b. Option B
c. Option C
d. Option D
The entry to record when already written-off bad debt is collected in cash should be "Debit: Cash and Credit: Accounts Receivable". Option A is the correct answer.
When a previously written-off bad debt is collected in cash, it is a recovery of an amount that was previously deemed uncollectible. The entry to record this transaction involves debiting the Cash account to reflect the increase in cash received and crediting the Accounts Receivable account to reduce the outstanding accounts receivable balance. This entry reverses the initial write-off entry and reflects the collection of the previously written-off amount. The Allowance for Bad Debts account is not involved in this entry because it represents an estimate of potential bad debts and is not affected by the collection of a specific written-off debt.
Option A is the correct answer.
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What is Herrick’s objective as a priest to be advising young girls to marry while they’re young?
Answer:
The speaker is urging young women to get married while they are still young, fresh, warm, and lovely enough to attract a man.
Explanation:
Why do the children make Boo’s story into a game/play? What do they do in this game? Do you think the game is an accurate version of what happens in the Radley home? Why or why not? To Kill A Mockingbird
Answer. they do this bc they dont want to look like they are scared this is what i put when i had this question but i got this of googe "Jem makes up the game to demonstrate that he is not afraid of the Radley place. ... They act out scenes that they think have taken place in the Radley house according to Miss Stephanie Crawford, like Boo stabbing his father in the leg." no i do not think that this is accurate bc as children and preteen i think they arent old enough to really comprehend what is going on.
Explanation:
if you need anymore help with tkamb im here i passed most of the tkamb assignments with a 80 or up
American author Harper Lee published To Kill a Mockingbird in 1960. It acquired fame right away after its 1960 publication. It is often studied in American high and middle school settings. To Kill a Mockingbird is a story of a little girl coming of age as well as a darker drama about the causes and repercussions of racism and prejudice. It also explores how both goodness and wickedness may coexist within a single society or individual.
In addition to exploring topics of love as well as Scout and Jem's coming-of-age, the book Mockingbird also explores issues of interracial injustice and prejudice. It was released at a crucial juncture in the American civil rights struggle and struck a chord with readers from many backgrounds.
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