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Casey

Questions and answers by Casey

Questions (327)

Use the equation below and determine what volume of O2 at STP is needed to react with 1.5 moles of C2H4?Balanced equation: C2H4
1. 7 answers
2. 4,065 views
What is the % by mass of chlorine in CH2Cl2?I calculated the molar mass of CH2Cl2 which is 84.93. I than calculated the molar
1. 4 answers
2. 1,480 views
Public opinion is crucial in a democracy, for if we are truly a government "for the people, by the people," it is then essential
1. 5 answers
2. 1,741 views
If a mineral sample has a mass of 10 g, how many grams of oxygen does it contain?You need more information than that to
1. 4 answers
2. 1,819 views
how would a sociologist view the reasons for the uneven representation in the military? What would a sociologist say about how
1. 1 answer
2. 483 views
Ironing out all the wrinkles, the pants looked much more presentable.Hmmmm. Did the pants do the ironing? Is this a misplaced
1. 1 answer
2. 406 views
Are human service or health care organizations expected to act in a more ethical manner than for-profit organizations?Why
1. 2 answers
2. 568 views
x+y=x-5I want to get y alone on one side, so if I subtract x from both sides, what would be x - x?
1. 1 answer
2. 264 views
I am having a hard time doing this problem.The square of 5 more than a number
1. 1 answer
2. 332 views
I am looking at a problem and I am wondering ....Is (a+b)^3 ever equal to a^3+b^3
1. 1 answer
2. 416 views
I reposted again down below, if you wouldn't mind looking. Thanks, much appreciated :)
1. 1 answer
2. 281 views
How do I do this: add the following vectors , 7m/s [N30E] and 2m/s [S17E] I know that you must use trigonometry and break stuff
1. 10 answers
2. 991 views
Why didn't Georgia send delegates to the First Continental Congress? They were the only state that didn't and i have a theory
1. 4 answers
2. 2,297 views
1.when a train pulls a wagon, is the work zero because wagon pulls on the train with equal opposite force(newton's third law)?2.
1. 4 answers
2. 480 views
What is the conflict and compromise of the Persian Gulf War?=D thank you.
1. 5 answers
2. 504 views
i'm doing a project on orbital rules and i don't remember how to get the atomic mass and the atomic number. i know wher P comes
1. 2 answers
2. 764 views
How do you work these problems?8x-7=15+19x 7.6x-3.5x=-65.6 -7x-23=-25 1/3
1. 3 answers
2. 376 views
How do you find the decimal notation of 22/25?
1. 2 answers
2. 791 views
An entry level position pays 8 dollars per hour. A 4% raise is given at the end of each year of employment. What would the pay
1. 3 answers
2. 399 views
You are planning to spend no less than $6,000 and no more than $10,000 on your landscaping project.How do you write an
1. 3 answers
2. 369 views
How do you solve this problem?5y + 4y ¡Ü -54
1. 1 answer
2. 365 views
Can you show me how to solve this problem? 5y + 4y ¡Ü -54
1. 3 answers
2. 333 views
I need help with a word problem. Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at
1. 1 answer
2. 458 views
Could someone show me how to solve system of equations by graphing?9x-9y=-45 9y-9x=45
1. 1 answer
2. 391 views
how do you simplify square root of 27 minus square root of 49 all divided by square root of 3. I have gotten two different
1. 2 answers
2. 591 views
How do you find the domain of a function when the number is outside of the paranthesese. Example would bey=(square root of x)+3.
1. 1 answer
2. 458 views
how do you simplify square root of 27 minus square root of 49 all divided by square root of 3. I have gotten two different
1. 3 answers
2. 785 views
How do you find the domain of a function when the number is outside of the paranthesese. Example would bey=(square root of x)+3.
1. 2 answers
2. 508 views
I have two problems that I am not sure about how to work out.1. The distance traveled by a falling object is given by the
1. 3 answers
2. 576 views
A rectangle has a width of 2(square root of 5)and an area of 50 cm^2. Find the length of the rectangle. Does anyone know how to
1. 7 answers
2. 576 views
Suppose a triangle has angles A,B, and C. Angle C is the right angle. Find the measures of the other sides to the nearest whole
1. 2 answers
2. 682 views
In a molecular weight determination, a volume of an unknown gas effused through a small opening in 40 seconds while the same
1. 1 answer
2. 478 views
I have to do a research paper about something that has to do with my career field which is medical. My paper is on premature
1. 1 answer
2. 647 views
184-p^2 when p=7
1. 1 answer
2. 303 views
I am lost on how to divide this problem and why they won't offer examples in the book is mind boggling.8x^4y^2/4x^7y^2
1. 1 answer
2. 432 views
I don't get 2 math problems, if I could see how it's completed then I can do the other problems on my own. Can someone pls help
1. 2 answers
2. 601 views
what are the views on restriction of immigration from all the parties (democratic, republican, and libertarian?)
1. 1 answer
2. 446 views
can anybody help me find the pattern in these two sequences please!! I can find the next two terms after that myself. I have
1. 4 answers
2. 382 views
What was the agrarian and commercial reasons that promoted Manifest Destiny?
1. 1 answer
2. 413 views
�ã(X+2)-X=0THE SQUARE ROOT OF (X+2)-x=0
1. 3 answers
2. 392 views
What ended the era of dual federalism?
1. 3 answers
2. 639 views
i need help to make sure i translated these sentences correctly...(1)Que tiempo hace? What is the weather? (2)Que hora es? What
1. 5 answers
2. 1,220 views
The slope of the "secant line" between the points (2, 5) and (x, x 2 + 1) in simplified form is, what?
1. 1 answer
2. 344 views
Given f(x) = 4x 2 + 2x - 1, the simplified form of the difference quotient, [f(x+h) - f(x)]/h is, what?
1. 2 answers
2. 697 views
The slope of the "secant line" between the points (2, 5) and (x, x 2 + 1) in simplified form is, what?
1. 3 answers
2. 360 views
can one tell if two triangles are congruent if they are given only the angles and all of them are congruent to one another?
1. 3 answers
2. 918 views
Why do some minerals have large, defined crystal faces, while others are not visible?
1. 2 answers
2. 496 views
can anybody give me an example of limited omniscient.i already know that it is where you can hear the thoughts of one of the
1. 3 answers
2. 601 views
our assignment for homework was to take a nursery rhyme and make it a different point of view. in order to do that we were
1. 3 answers
2. 577 views
our assignment for homework was to take a nursery rhyme and make it a different point of view. in order to do that we were
1. 2 answers
2. 747 views
what are other sciences that might provide information that is useful to biologists?i have not been able to find any internet
1. 2 answers
2. 479 views
1 L of 20 degrees C water is mixed with 4 L of 40 degrees celcius water. What will be the temp of this mixture?the only thing i
1. 1 answer
2. 444 views
could someone tell me if i used intimation in the following sentence correctly:The intimation that came over the loudspeaker
1. 10 answers
2. 365 views
can someone better explain to me what the independent/manipulated variable is in an experiment. also, i am not clear on what the
1. 2 answers
2. 582 views
How do you make that a matrix in the form of[1 0 A] [0 1 B] ? I have a system, but i missed the lessons on all that matrix
1. 1 answer
2. 1,000 views
Evaluate the series.9 ‡” log(k+1/k) k=4
1. 1 answer
2. 332 views
What feature of light energy makes it different from other kinds of energy?
1. 1 answer
2. 157 views
What is a coterminal angle with 170 degrees?
1. 4 answers
2. 3,553 views
Draw the Lewis structure for N2H2, a neutral molecule.
1. 2 answers
2. 1,026 views
Over time acids in ground water can result in the formation of karst topography, such as ___________ which i figured was
1. 4 answers
2. 313 views
3x-7=5x+13, what is x?
1. 3 answers
2. 266 views
What is the number pattern between the following numbers. and why arranged this way8 5 4 1 7 6 3 2 0
1. 1 answer
2. 341 views
Which pair of molecules has the strongest dipole-dipole interactions?a- CO2 and CO2 b- CO2 and CH4 c- NH3 and NH3 d- NH3 and CH4
1. 3 answers
2. 1,473 views
Which pair of molecules has the strongest dipole-dipole interactions?a- CO2 and CO2 b- CO2 and CH4 c- NH3 and NH3 d- NH3 and CH4
1. 4 answers
2. 3,900 views
The values of outstanding bonds change whenever the going rate of interest changes. Ingeneral, short-term interest rates are
1. 2 answers
2. 555 views
Did you know a famous animal-rights activist has criticized horseracing because of the dangers involved?1b. Did you know a
1. 5 answers
2. 568 views
How to find debt ratio
1. 1 answer
2. 468 views
What are the three ways to put numbers in expanded form?
1. 2 answers
2. 516 views
Explain why methanol and acetone are not suitable solvents for extractingorganic compounds from aqueous solutions.
1. 2 answers
2. 947 views
At the Philadelphia (Constitutional) Convention, what do you see as the general goal ofthe majority of the delegates? Did the
1. 1 answer
2. 386 views
Take an odd digit and use it exactly three times, so that the three digits are equal in value to an even number.ADDITION,
1. 1 answer
2. 366 views
How do I get a D if F to a B or A
1. 3 answers
2. 682 views
How do you study for math???
1. 1 answer
2. 352 views
I have a question. I wrote a research paper and used MLA. I referenced from a book three different times in my paper. When I do
1. 1 answer
2. 484 views
I have a question. I wrote a research paper and used MLA. I referenced from a book three different times in my paper. When I do
1. 1 answer
2. 479 views
Where can I find case studies of businesses that advertised and businesses that didn't?
1. 1 answer
2. 384 views
What volume of 0.300 M Na3PO4 is required to precipitate all the lead(II) ions from 140.0 mL of 0.400 M Pb(NO3)2?I desperately
1. 4 answers
2. 2,904 views
My mind is bleeding again. I am trying to figure out the molarity of acetic acid in Vinegar. We used a standard solution of .613
1. 2 answers
2. 497 views
I am having a horrible time with Enthalpy change. I understand how to find specific heat I believe, but the heat capacity of the
1. 3 answers
2. 516 views
When 0.668 L of Ar at 1.20 atm and 227°C is mixed with 0.258 L of O2 at 501 torr and 127°C in a 400 mL flask at 27°C, what is
1. 2 answers
2. 568 views
How many grams of CH4 are required to produce 43 g of Cu according to the following equation: 4CuO + CH4 --> CO2 + 2H20 + 4Cu?I
1. 5 answers
2. 2,404 views
Last one I promise! Thankyou for bearing with me. This seems simple enough, but chemistry genuinely makes me feel ed so I
1. 4 answers
2. 762 views
I cannot figure this out. It seems so simple, and I should know it.The density of tungsten is 19.3g/cm^3 Express this value in
1. 3 answers
2. 471 views
The density of Hg is 13.6g/cm^3. How many Hg atoms are present in 10.0cm^3 of Hg?I think the size of an atom is 6.22 x 10^23.
1. 5 answers
2. 506 views
If 10.0g of CaCl2 and 10.0g of NaCl are dissolved in 100.0mL of solution, what is the concentration of chloride ions? (the molar
1. 2 answers
2. 795 views
One of the lines in the spectrum of a mercury vapor lamp has a wave length of 254nm. What is the energy, in kj/mol, of this
1. 3 answers
2. 463 views
What is the de Broglie wavelength, in meters, associated with a proton. (mass = 1.673 x 10^-24g) accelerated to a velocity of
1. 2 answers
2. 698 views
For which of the following reactions is the value of Delta H rxn equal to Delta H of formation?I. 2Ca(s) + O2(g) --> 2CaO(s) II.
1. 4 answers
2. 6,323 views
It says to write the balanced equation for the complete combustion of cyclobutanol in Oxygen. I'm not even sure what the product
1. 4 answers
2. 1,854 views
If 10.0g of CaCl2 and 10.0g of NaCl are dissolved in 100.0mL of solution, what is the concentration of chloride ions?I found the
1. 3 answers
2. 891 views
A lottery ticket has a grand prize of $28 million. The probability of winning the grand prize is .000000023. Based on the
1. 3 answers
2. 994 views
Calculate each binomial probability:a. X = 2, n = 8, ð = .10 b. X = 1, n = 10, ð = .40 c. X = 3, n = 12, ð = .70 d. X = 5, n
1. 1 answer
2. 434 views
An artillery shell is fired with an initial velocity of 300 m/s at 65.0° abovethe horizontal. To clear an avalanche, it
1. 1 answer
2. 985 views
A force of 400.0 N is exerted on a 1,250 N car while moving it a distance of 3.0m. How much work was done on the car?
1. 1 answer
2. 592 views
Question partPoints Submissions 1 0/1 5/15 Total 0/1 You ride your bike for 1.5 h at an average velocity of 11 km/h, then for 30
1. 1 answer
2. 441 views
A motor cyclist traveling at 30 m/s accelerates uniformly for 5 seconds to v= 40 m/s. H then maintains a constant velocity for
1. 3 answers
2. 600 views
How many hours of daylight occur at the following locations on the specified dates?March 22 ---------------- 40 degrees north 0
1. 3 answers
2. 1,460 views
Please determine the noon sun angle at the given latitudes on April 11:40 degrees north 0 degrees
1. 3 answers
2. 810 views
A package of medical supplies is released from a small airpllane flying a mercy mission over an isolated jungle settlement. The
1. 2 answers
2. 613 views
If the date was March 22 and one saw the noon sun at 35 degrees south above the horizon, what latitude is one at?
1. 1 answer
2. 408 views

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