Ask a New Question
Search
Questions and answers by
Kelsey
Questions (314)
Explain what is meant by "manifest destiny" and describe how belief in that idea contributed to the United States going to war
1 answer
170 views
In lab, a student weighed a new 10mL syringe and found it’s mass to be 25.5678 g. After filling it with a solution to the 10.0
1 answer
316 views
The specific gravity of an ethylene glycol solution at 20.0 degrees Celsius is 1.0738. What is the density of this ethylene
1 answer
416 views
An investment starts at $900 and doubles in value each year. What is the value of the investment after 5 years?
1 answer
389 views
Find constants a, b, and c given that: 6x^3+7x^2-19x+7=(2x-1)(ax^2+bx+c) for all x.
1 answer
695 views
During the Civil War, in which resource area did the Confederacy hold 28 percent of the total resources?
Factories Food
2 answers
610 views
Which of the following best describes the main motivating factor that encouraged women to fight for suffrage in the 1800s and
2 answers
1,102 views
What happened to the population of New Orleans between 1810 to 1830?
A) Between 1810 and 1830, the population of New Orleans
2 answers
1,477 views
Which statement correctly explains the reasons that the Compromise of 1820 and the Compromise of 1850 were unsuccessful at
2 answers
1,107 views
Which of these was a consequence of the Civil War?
A- General William Tecumseh Sherman's March to the Sea destroyed Southern
7 answers
2,461 views
Hi can you please help me with this question. -9-17=10
3 answers
595 views
James Cameron piloted a submersible craft to the bottom of the Challenger Deep, the deepest point on the ocean's floor, 11,000 m
1 answer
3,649 views
A circle has center that the origin and radius r. What is r when the circle is tangent e^(-x^2) (but no intersection with
2 answers
581 views
Determine the fluoride ion concentration for a saturated solution of magnesium flouride. (Ksp = 7.4E-11)
0 answers
561 views
I need help converting the complex number z = (-1 + sqrt(1 + 4i))/2i to the form rei^(theta).
I found what the number in the
2 answers
595 views
What is lim inf sin((n*pi)/8) as n --> infinity.
2 answers
479 views
How many posts does it take to support a fence around a square field measuring 200ft on a side if posts are placed every 20ft
1 answer
3,911 views
When calcium iodate is added to water at 25 degrees Celsius, the equilibrium concentration of calcium ion was found to be
2 answers
834 views
I'm unsure of how to rearrange Balmer's equation to solve for n2. The equation is 1/lambda= R(1/2^2-1/n2^2)
3 answers
2,870 views
Three even numbers sum up to 104. The smallest is half the largest and the middle number is
2 3 the largest. What are the three
1 answer
1,032 views
How many orbitals are available with the following combination of quantum
numbers? 1) n = 2; l = 0 2) n = 3; l = 2 3) n = 4; l =
1 answer
690 views
Starting from 105 feet away, a person on a bicycle rides towards a checkpoint and then passes it. The rider is traveling at a
2 answers
2,022 views
What would the predicted voltage be if four Zn(s)/ Zn2+(aq) // Ag+(aq) / C (s) cells were connected in series
1 answer
463 views
How did the net voltage of the two cells connected in series compare to the net voltage of a single
why the calculated cell
1 answer
529 views
A supersonic jet airplane passing directly overhead creates a shock wave that makes an angle of 51∘
with the horizontal. What
0 answers
528 views
The concept of receptor affinity does not only apply to the original receptor and ligand. For which of the following pairs of
2 answers
545 views
The concept of receptor affinity does not only apply to the original receptor and ligand. For which of the following pairs of
0 answers
563 views
An astronaut with a mass of 90 kg (including spacesuit and equipment) is drifting away from his spaceship at a speed o f.2 m/s
0 answers
1,088 views
A 36-meter rope is divided into three pieces. One piece is twice as long as the shortest piece, and the third piece is 1 meter
1 answer
797 views
The sum of two numbers is nine. Four times the smaller is equal to two times the larger.
1 answer
549 views
I have the answer to this question but the book does not explain WHY this is a good buffer solution? It uses pH=pKa -
1 answer
894 views
I have 25 million gallons of water at a pH of 6.5. I add 17.4 million gallons of 12.5% by wt sodium hypochlorite (NaClO) at a pH
3 answers
554 views
The time needed to complete a final examination in a particular college course is normally distributed with a mean of 83 minutes
2 answers
4,540 views
Suppose that the U.S. government decides to charge wine consumers a tax. Before the tax, 10 billion bottles of wine were sold
1 answer
2,362 views
Explain how the electric potential energy of a particle can increase when moving from a region of high electric potential to a
0 answers
509 views
Calculate the total entropy change hat occurs when 2kg of lead at 40 degrees celcius are placed in a very large quantity of
1 answer
1,538 views
For chlorine gas, the van der Waals constants are: a = 0.658 J·m3/mol2, and b = 5.62 × 10-5 m3/mol. A 3.0-L tank contains 10.0
2 answers
1,383 views
Help me create a mnemonic device to remember the Four Basic Units of Language: Phonemes, Morphemes, Syntax, and Semantics
2 answers
1,166 views
Sulfuric acid can dissolve aluminum metal according to the following reaction.
2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g) Suppose
1 answer
1,241 views
Which of the following are Boolean operaters?
A.) and, or, not B.) to, for, from C.) a, and, the D.) is, are not
1 answer
747 views
Complete combustion of propane (C3H8).
How many grams of water are produced when 50 grams of propane are reacted with 101 liters
1 answer
1,034 views
Regular exercise stimulates ___ which keeps the skeletal system moving to assist digestion and excretion.
A.)peristalsis B.)urea
12 answers
4,009 views
After deciding to buy a new car, you can either lease the car or purchase it on a 3-year loan. The car costs $32,000. The lease
1 answer
1,060 views
If the APR is 7% with monthly compounding, compute the quarterly rate
2 answers
682 views
You have an investment with 10 semi-annual cash flows of $1000. The first payment is 6 months from today. If the EAR is 11% what
1 answer
569 views
Gene's Art Gallery is notoriously known as a slow-payer. The firm currently needs to borrow $27,500 and only one company will
1 answer
878 views
You just acquired a mortgage in the amount of $249,000 at 6.75% interest, compounded monthly. Equal payments are to be made at
1 answer
785 views
You are planning to save for retirement over the next 15 years. To do this, you will invest $1,100 a month in a stock account
1 answer
795 views
describe how the triassic period was a transitional time. during the mesozoic era explain why the boundary between triassic and
12 answers
1,440 views
When adding the sqare root of 25 and negative 9, which type of number is the sum?
Whole Number Irrational Number Integer Radical
2 answers
1,189 views
Arrange the following real numbers in order from greatest to least:
0.8, 0.8(repeating 8), 0.89(repeating 89), 0.889( repeating
1 answer
1,744 views
Solubility Rules!! Homework problem I desperately need help with
Solutions used: 6M HCl, 6M NaOH, 6M NH3, 3M H2SO4 Mixed with:
1 answer
908 views
A stock's price dropped from $63.28 per share to $27.45. What was the loss on a single share of the stock?
2 answers
1,864 views
Find the a/b form, where a and b are integers and b isn't equal to 0, for each of the following:
A. 0.29 (29 repeating) B.
1 answer
833 views
A 37.0 g mass of a metal was heated to 100°C and then plunged into 74 g of water at 24.0°C. The temperature of the resulting
1 answer
1,100 views
If an astronaut could hop 40 cm high on Jupiter, how high could he or she jump on earth? On the moon? Please help me fast I have
0 answers
554 views
PLEASE HELP. DUE TOMORROW
A large box 4.5 m on a side has mass 90 kg. A force F is applied as shown, making an angle θ = 35 with
2 answers
606 views
The density of a 0.0122 M KMnO4 is 1.037 g/mL. Suppose 26.35 g of 0.0122 M KMnO4 are required to titrate 1.072 g of a household
1 answer
2,775 views
If you use the lmax during the calibration plot (Beer's plot) and then change to some other wavelength for the measurement of
1 answer
589 views
If your heating generates soot on the bottom of the crucible, what is the origin of the soot? How will this soot collection
2 answers
1,159 views
If you use the lmax during the calibration plot (Beer's plot) and then change to some other wavelength for the measurement of
1 answer
620 views
A 5kg block slides along a frictionless surface at 8 m/s toward a second block that is 2kg and attached to the end of a
2 answers
718 views
2x-5y=3 and -4x+10=-6 is there a solution. Use any method to solve if possible
1 answer
640 views
We saw the months of wicked weather,
As day to painful night did turn, Waiting, huddled close together For the frozen sun’s
3 answers
686 views
A uniform solid ball rolls smoothly along a floor, then up a ramp inclined at 13.5 degrees. It momentarily stops when it has
1 answer
743 views
if 6 bars of soap cost $2.70, how much would 10 bars of soap cost?
1 answer
382 views
A U.S. nickel contains 3 ounces of copper for every ounce of nickel. How much nickel is required for 14 pounds of copper?
1 answer
493 views
1.What was the central conflict between Native American groups and the United States, and how did their goals differ?
2. (a)What
3 answers
741 views
Analyze the effects of the federal government's monetary policies such as tariffs and the gold standard, on the following
3 answers
592 views
How did homesteaders cause the spread of traditional values such as democracy and a strong work ethic?
1 answer
647 views
For the first time customers, a bank will open an account with $25 included. This bank also charges a monthly $2.95 service fee
2 answers
872 views
The density of gold is 19 times that of water. If you take a gold crown weighing 32 N and submerge it in water, how much upward
2 answers
2,960 views
A bag of sugar weighs 6.70 lb on Earth.
a) What would it weigh in newtons on the Moon, where the free-fall acceleration is one
1 answer
575 views
Which of the following surfaces has the largest amount of static friction against your skin? Which one has the highest
1 answer
588 views
A Nordic jumper goes off a ski jump at an angle of 10.0° below the horizontal, traveling 109.0 m horizontally and 44.0 m
1 answer
520 views
A Nordic jumper goes off a ski jump at an angle of 10.0° below the horizontal, traveling 109.0 m horizontally and 44.0 m
1 answer
2,430 views
A boat moves through the water of a river at 9.5 m/s relative to the water, regardless of the boats direction. If the water in
1 answer
470 views
A Nordic jumper goes off a ski jump at an angle of 10.0° below the horizontal, traveling 109.0 m horizontally and 44.0 m
0 answers
568 views
A girl delivering newspapers covers her route by traveling 9.00 blocks west, 3.00 blocks north, and then 1.00 blocks east. What
2 answers
1,207 views
At the airport they have people movers (horizontal escalators). Your friend decides to use the people mover and since you've
1 answer
527 views
Two identical heavy metal spheres are released from the same height. Sphere 1 is at rest, and sphere 2 has a velocity of 10 m/s
2 answers
1,049 views
A ball is thrown upward from the ground with an initial speed of 49 m/s; at the same instant, another ball is dropped from a
1 answer
463 views
A student throws a set of keys vertically upward to her sorority sister, who is in a window 3.80 m above. The keys are caught
1 answer
806 views
A truck on a straight road starts from rest and accelerates at 3.0 m/s2 until it reaches a speed of 18.1 m/s. Then the truck
1 answer
877 views
Two cars travel in the same direction along a straight highway, on at a constant speed of 38.0 mi/h and the other at 89.0 mi/h.
1 answer
857 views
Angelo is paid double time for each hour he works over 40 hours in a week. Last week he worked 42 hours and earned $484. What is
2 answers
557 views
1) Le compro un regalo para mi hermana.
Me lo compro esta tarde. Se lo compro esta tarde. Te las compro esta tarde. Se la compro
2 answers
763 views
(20.47 S-AQ) A sample survey interviews an SRS of 252 college women. Suppose (as is roughly true) that 71% of all college women
1 answer
539 views
This question is based on an experiment to determine the mass of ASA.
Information from the experiment : • ASA is a weak acid
1 answer
950 views
A baseball diamond has 90 ft. between each base. A softball diamond has 60 ft between each base. How many yards longer is the
1 answer
593 views
An airplane traveled from Boston to Las Vegas making a stop in St. Louis. The plane traveled 2410 miles altogether, which is
1 answer
658 views
calculate the dimensions of a cube that contains 22.4L of gas at STP.
1 answer
471 views
How would you solve the following I'm stumped..
1. 2x^2(squared)=30-4x 2. X^3(cubed)+8x=-6x^2(squared) Thanks!
2 answers
498 views
Tickets to the school musical cost $3 for students and $5 for non students. Total ticket sales were $1790. The number of student
2 answers
1,047 views
Solve each inequality by using algebra.
24. x 2 - 11x + 13 ≤ 25 25. -2x 2 + 3x + 4 ≥ -1 26. x 2 - 5x - 4 < -9 27. Sports A
0 answers
533 views
Is .1M NaH2PO4 a good buffer? Explain.
2 answers
588 views
Are drawing a black and red card independent or mutually exclusive?
Are drawing a black card and queen independent? Are drawing a
2 answers
965 views
Can someone please help me? certain medical diagnostic test is used to determine if people have pinkyitis and it is known that 1
0 answers
517 views
Can someone please help me. A single card is selected from a standard 52-card deck. B= the drawn card is black; R= the drawn
0 answers
1,133 views
For a given right triangle, angle B = 46±
and side c = 30 feet. What is the length of side a to the nearest foot?
3 answers
701 views
Pages
1
2
3
4