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03/16/25

Arrange the solutions in order of increasing acidity. Given Ka & Kb values

Arrange the solutions in order of increasing acidity. Ka (NH4+) = 5.6 x 10-10 Kb (ClO2-) = 9.1 x 10-13 NaCl, NH4Cl, NaHCO3, NH4ClO2, NaOHWhere to even begin?

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Chinese

03/16/25

What's the best way to learn Chinese characters?

Many students meet the challenge of learning Chinese characters by finding the rules or some effective ways. For example, have you noticed the connection among single-component characters,... more

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Literature

03/15/25

Who wrote the poem "Do Not Go Gentle into that Good Night" and what is its' message to us? What was the year?

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Math

03/15/25

Mcdonald's Item Prices

mcdonald's sells any 2 burgers for $4.49. knowing this how much would 20 burgers cost?

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Biochemistry

03/15/25

How does a virus, such as SARS-CoV-2, use the host cell's natural innate immunity processes, like mitophagy, for instance, to its' own advantage?

Think about the immune response, triggers, and the consequences of mitophagy in terms of levels of certain chemicals/precursors.

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Biology Chemistry Biochemistry

03/15/25

How can a student best keep up with what is reduced and what is oxidized in a given equation?

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Algebra 1

03/14/25

9th grade workkkk

An element with mass 780 grams decays by 17.1% per minute. How much of the element is remaining after 19 minutes, to the nearest 10th of a gram?

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Math

03/14/25

A KCl saline solution has a concentration of 11.1 g/mL. If you have 80 mL of it, and need to dilute it down to 6 g/mL.You are required to dilute it with a weaker concentration of 2.7 g/mL, how much... more

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Physics Astronomy

03/14/25

How to calculate sidereal period

How do I calculate the sidereal period of planets when I'm not given the orbital period?I know the Earth has an orbital period of 365.25 days, but then we are only given the time between successive... more

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Grammar Writing

03/14/25

Grammar Improvement Strategies

I have a very valuable tap tap shots project coming up. I need to create an article that is impressive in content and presentation. How can I accomplish this goal when my grammar and writing are... more

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Geometry

03/14/25

If m∠9=97° and m∠12=114, find the measure of each missing angle

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Math

03/13/25

Marty rode 40 miles in 3 hours. At this rate, how long will it take Marty to ride 100 miles?

Ratio box

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Chemistry

03/13/25

What is the molecular geometry for methane?

How do you know the molecular geometry of methane?

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Grammar

03/13/25

Spell checking software

Do you know any effective spelling and grammar checking software? I need help writing capybara clickerEverything is getting stuck with no solution being offered.

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Science Chemistry Organic Chemistry

03/13/25

Gen Chem 2: Ice Tables

5. Build an ICE table for the acid dissociation of ascorbic acid. • Suppose that the percent dissociation is small enough for [HOAsc]initial to be much larger than “x”. • Use the relationship... more

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Math

03/12/25

Extremely mathy math and is very math

Sophie needed to get her computer fixed. She took it to the repair store. The technician at the store worked on the computer for 4 hours and charged her $127 for parts. The total was $227. Write... more

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Calculus

03/12/25

Show that among all rectangles of constant perimeter p, the square has the maximum area. {Hint: an optimization problem}

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C++

03/12/25

Write C++ program that adds positive integer numbers from 1 to 1000 using while/for loop control structure.

First try to understand the question and express it in your own words, next try to solve the question and formulate some math related expressions starting from input-> process--> output... more

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Math Statistics

03/12/25

A population of values has a normal distribution with a population mean of 216.6 and standard deviation of 45.9 . You intend to draw a random sample of 230.

Find the probability that a single randomly selected value is between 209 and 210.5.P(209 < X < 210.5) = Find the probability that a sample of size n=230 is randomly selected with a mean... more

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Math

03/12/25

Omar spent $162 more

Omar spent $162 more than 1/7 of his monthly salary on transport. He spent $40 less than 1/6 of his remaining salary on groceries. He spent $968 on groceries. He saved the rest of his salary. (a)... more

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Math

03/12/25

Tim’s weekly pocket money

Tim’s weekly pocket money is $13.50 more than Sam’s. Sam spends $17.70 more than Tim every week. Tim spends 5/11 of his pocket money every week. Sam saves 1/2 as much as Tim every week. How much... more

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Geometry

03/12/25

Given the inscribed polygon below, solve for the values of x and y.

https://ibb.co/G3pgCTzX

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Geometry

03/12/25

Given the inscribed polygon below, solve for the values of x and y

https://ibb.co/jvnh7H2Z

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Geometry

03/12/25

Solve for x int

https://ibb.co/YBHt3M4c

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Math

03/12/25

Add, subtract, multiply, and divide fractions and mixed numbers: word problems

Miss Baldwin bought a block of cheddar cheese. The block weighed 7/10 of a pound. She cut the block up into 7 equal pieces. What was the weight of each piece of cheese?Write your answer as a... more

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