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Ashley
Questions and answers by visitors named
Ashley
, page 9
Questions (1,944)
a uniform rod of 3 kg and length 1 m is suspended from a fixed point by means of strings of length .8m and .6m which are
3 answers
943 views
A certain elixir is 92 proof. A proof is twice the volume percentage of alcohol in a blend. Ethanol's structural formula is
1 answer
425 views
is there a number a such that the lim x->2 6x^2+ax+a+57/x^+x-6 exists? if so find the value of a and the limit.
1 answer
441 views
Given a line l, let A be a point on l, and B another point not on l.
a. prove all the points of the line segment AB, except for A
2 answers
491 views
What's the accusative case for
1. magna urbs 2. rex fortis 3. navis longa 4. matres laetae 5. omnes puellae
7 answers
2,394 views
Find the equation of the tangent line to the curve below at point (0,3)
y=6/(1+e^-x)
4 answers
2,298 views
A mass of 8 kg lies on a horizontal, frictionless floor. A force of 72 Newtons pushes to the left (negative x direction) with a
4 answers
582 views
A mass of 8 kg lies on a horizontal, frictionless floor. A force of 72 Newtons pushes to the left (negative x direction) with a
2 answers
564 views
Sam owns an acre of land on Red River. The government dams the river. A lake forms behind the dam, covering Sam's land. Does the
1 answer
662 views
Why must an organic layer be washed with NaOH?
2 answers
519 views
Do chemists speed a reaction by using bunsen burners or steam baths because this lowers the activation barrier?
1 answer
357 views
Prepare the entry to record the accrued interest and the amortization of premium on December 31, 2010 using the straight-line
2 answers
561 views
Is this correct
49. To succeed in the new economy, workers will have to learn throughout their careers, adapt to changing
3 answers
365 views
Please guide me on what I have done incorrectly:
Part I: True or False 1. The following word group is a FRAGMENT: That movie, one
1 answer
955 views
An object is placed on an incline with friction. The incline is slowly raised from a zero degrees and at 29.2 degrees, the
2 answers
525 views
a rectangular laboratory tray is 1/3 feet by 5/4 feet. Find the area
1 answer
437 views
The trail is 2989 miles long. It begins in City A and ends in City B. Manfred has hiked 2/7 of the trail before. How many miles
4 answers
923 views
10 2/9 - 3 17/18
1 answer
203 views
Find the greatest possible length of a rope which can be used to measure exactly the lengths 7m, 3m 85cm and 12m 95cm.
3 answers
405 views
Whos is famous for the quote Ask not what your country can do for you, but what you can do for it?
1 answer
342 views
what do these words in french mean . pleese translate:
chez moi une cassette de jazz un boite i did al my other questions but i
4 answers
506 views
what would be the result if we heated a mixture of dicholoromethane and naphalene to 60 degrees celcius, collected distillate
1 answer
330 views
what would be the result if we heated a mixture of dicholoromethane and naphalene to 60 degrees celcius, collected distillate
1 answer
329 views
what would be the result if we heated a mixture of dicholoromethane and naphalene to 60 degrees celcius, collected distillate
1 answer
308 views
what would be the result if we heated a mixture of dicholoromethane and naphalene to 60 degrees celcius, collected distillate
2 answers
924 views
what would be the result if we heated a mixture of dicholoromethane and naphalene to 60 degrees celcius, collected distillate
1 answer
325 views
How do I calculate the concentration of KmNO4 when..
Initial Volume is 50mL 0.11g sodium oxalate Volume of KMnO4 used to titrate
3 answers
1,183 views
Two wooden crates with masses are as shown are tied together by a horizontal cord. Another cord is tied to the first crate and
3 answers
2,008 views
Hi, how do I calculate how many grams of unknown diprotic acid are needed to make 150mL of 0.750N (normal) solution?
and to make
2 answers
563 views
A jar is filled with nickels and pennies. The value of the nickels is $S
and the value of the pennies is $r. If you picked a
2 answers
587 views
Im looking for 2 formally organized groups they each have to have a affect on one another cooperatively
1 answer
396 views
Block 1, with mass m1 and speed 4.5 m/s, slides along an x axis on a frictionless floor and then undergoes a one-dimensional
5 answers
1,002 views
A 3.2 kg block with a speed of 11 m/s collides with a 11 kg block that has a speed of 3.3 m/s in the same direction. After the
1 answer
495 views
9. Iron is produced by reducing iron(III) oxide with CO: Fe2O3 + 3 CO → 2 Fe + 3 CO2 ∆H = –23 kJ . How much heat is
1 answer
458 views
How much heat is absorbed by the calorimeter if the temperature change is 10 C and the calorimeter constant (Heat Capacity) is
1 answer
368 views
Calculate the theoretical pH after 2.50 mL and 9.50 mL of NaOH has been added in both the titration of HCl and of HC2H3O2.
2 answers
614 views
If you mix 40.0 grams of Cu with 50.0ml of 1.20 M HNO3 solution, how many grams of NO gas can be made?
1 answer
347 views
From the top of a lighthouse 55ft above sea level, the angle of depression to a small boat is 11.3 degrees. How far from the
4 answers
1,716 views
How long will it take 7500 to triple itself if it is invested at 7% simple interest?
3 answers
420 views
Consider f(x)=200+8x^3+x^4. find the intervals on which function is increasing or decreasing, the local max and minimu values,
2 answers
1,431 views
a hot air balloon is rising vertically 10 ft/sec while the wind is blowing horizontally 5ft/sec. Find the speed of the balloon
2 answers
547 views
what one is the Most Soluble compound
1) CuS, Ksp = 1.27 x10^-36 2) PbS, Ksp = 9.04 x 10^-29 3) AgCl,Ksp = 1.77 X 10^-10 4) AgI,
4 answers
1,394 views
I need to find out Molar solubility of CuS. How many grams of CuS are present in 15.0 L of a saturated CuS solution,
2 answers
770 views
Riverside oil company in eastern Kentucky produces 3 different grades of gasoline. They are regular, premium, and supreme
2 answers
642 views
If both masses are increased by 60% and the distance between them is halved, by what percent will the force of attraction
1 answer
397 views
If 750 m of 3.00-mm-diameter wire has a resistance of 27.6, what length of similar wire 5.00 mm in diameter will have the same
1 answer
418 views
The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by
4 answers
1,081 views
If y varies jointly as w and x, and y is 483 when x is 742 and w is 383, find y when x is 274 and w is 756.
1 answer
331 views
The kinetic energy of a moving body is directly proportional to its mass and the square of its speed. If the mass of a bullet is
2 answers
496 views
The maximum safe load of a rectangle beam varies jointly as its width and the square of its depth and inversely as the length of
2 answers
1,319 views
The maximum safe load of a rectangle beam varies jointly as its width and the square of its depth and inversely as the length of
3 answers
677 views
The amount paid to a work crew varies jointly as the number of persons working and the length of time worked. If 5 workers earn
1 answer
379 views
The volume of a given weight of gas varies directly as its absolute temperature t and inversely as its pressure p. If the volume
2 answers
831 views
The intensity of illumination at a given point is directly proportional to the intensity of the light source and inversely
1 answer
473 views
How much of the water (in grams or mL) is consumed to produce 15 mL of the H2 gas
1 answer
310 views
The velocity of the transverse waves produced by an earthquake is 8.9 km/s, and that of the longitudinal waves is 5.1 km/s. A
2 answers
895 views
ZnCl2(aq)+Na2CO3(s)--> ZnCO3(s)+NaCl (aq) Balance the chemical equation and state solid, liq, gas, aq properly to each compound
O
3 answers
713 views
Silver is electroplated at the cathode of an electrolysis cell by 1/2 reaction Ag(aq) + e- --> Ag(s). How many moles of
1 answer
417 views
AlCl3(aq)+ NH4OH(aq)-> Al(OH)3(s) + NH4Cl(aq)
AlCl3(aq)+ 3NH4OH(aq)-> Al(OH)3(s) + 3 NH4Cl(aq)... is balanced-- Now total ioic??
4 answers
1,634 views
ZnCl2(aq)+Na2CO3(s)--> ZnCO3(s)+NaCl (aq) Balance the chemical equation and state solid, liq, gas, aq properly to each compound
O
2 answers
1,130 views
What is the molarity of OH- in an aqueous solution that is 0.17 M HClO4?
1 answer
338 views
What is the deffinition for symertry and a sentence
1 answer
376 views
if you react 37.0ml of .762M sulfuric acid, how many liters of carbon dioxide gas are produced at a pressure of 725mm Hg and a
1 answer
419 views
Prove that the statement is an identity: (tanx/cscx)=(1/cosx)-cosx
1 answer
462 views
Ben has 15 puzzles and 27 CDs. When he takes a tgrip, he likes to bring one puzzle and one CD as entertainment. How many trips
1 answer
418 views
integrate:
(x^2-3)sqrt (x+5)
1 answer
305 views
Identify the open intervals on which the graph of f(x)=3/(x^2+12) is concave up and/or concave down.
Please give in interval
1 answer
450 views
find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis y=x^2+1;
1 answer
463 views
How do scholars differ on whether media-depicted violence triggers aggressive behavior?
1 answer
356 views
How has a trusteeship concept for broadcast regulation given way to a marketplace model? Consider technological shifts.
1 answer
330 views
What are the three technologies on which the primary mass media are built?
2 answers
935 views
The sum of the first 4 terms of an arithmetic series is -8 and the sum of the first 5 terms is 85. Determine the first term and
2 answers
1,116 views
You decide to perform proximate analysis on a sample from your best friend's diet. Most abundant component(s) in nitrogen free
1 answer
318 views
What percent error is introduced by weighing a Styrofoam block in air, which exerts an upward buoyancy force, rather than in
1 answer
446 views
Connection Station, an internet café, had the following operating activities during the month of May:
1. Bought 800 in jump
1 answer
406 views
What are two points for the solution 12x+14y=70 ?
1 answer
365 views
Hey guys! I was hoping that someone could look over my answers & help me out with the ones I didn't get? Thanks :)
Directions:
4 answers
2,246 views
Heights of young adult U.S. women are approximately normal with mean 64" and standard deviation 2.7". What proportion of all
2 answers
903 views
A 10.0 mL volvume of Ultra Bleach is diluted in a volumetric flask. A 25.0 ml sample of this solution is analyzed accordign to
2 answers
1,293 views
In lab tests it was found that rats can detect electric fields of about 5.07 kN/C or more. If a point charge of 1.24 μC is
1 answer
409 views
I need to come up with a good thesis statement for Amy Tan "Mother Tongue" and Gloria Anzaldua "how to tame a wild tongue". I
4 answers
4,452 views
In a cathode ray tube, electrons initially at rest are accelerated by a uniform electric field of magnitude 4.71 x 105 N/C
3 answers
875 views
Some forms of cancer can be treated using proton therapy in which proton beams are accelerated to high energies, then directed
2 answers
881 views
In lab tests it was found that rats can detect electric fields of about 5.07 kN/C or more. If a point charge of 1.24 μC is
1 answer
439 views
-4(3y-4)+12y
1 answer
321 views
A survey about the art program at a school found that 250 students wanted an after-school art program, 150 students wanted art
5 answers
1,008 views
An automobile accelerates from rest at
2.4 m/s2 for 29 s. The speed is then held constant for 11 s, after which there is an ac-
1 answer
1,238 views
Two students, Jim and Joan, are registered for the same class and attend independently to each other, Jim 91.9% of the time and
1 answer
392 views
A charge of +1.96 mC is located at x = 0, y = 0 and a charge of -3.92 mC is located at x = 0, y = 2.85 m. What is the electric
2 answers
562 views
Charges of +2.38 nC and -1.06 nC are located at opposite corners, A and C, respectively, of a square which is L = 1.13 m on a
1 answer
466 views
A scooter factory runs two assembly lines, A and B. 97.4% of line A’s scooters pass instruction, while only 94.9% of line
1 answer
416 views
A certain capacitor stores 473 J of energy when it holds 7.91 x 10−2 C of charge. What is the capacitance of this capacitor?
Wh
1 answer
361 views
Capacitors are used in many applications where you need to supply a short burst of energy. A 143 μF capacitor in an electronic
2 answers
532 views
The order of the boiling points for the hydrogen halides, except for HF, is
HI > HBr > HCl. The reason for this order can be
2 answers
677 views
Two parallel plates are 4.85 cm apart. The bottom plate is charged positively and the top plate is charged negatively, producing
1 answer
725 views
A beam of electrons traveling with a speed of 3.00 x 107 m/s enters a uniform, downward electric field of magnitude 1.17 x 104
2 answers
1,544 views
A van de Graaff generator has a metal sphere of radius 14.2 cm. To what potential can it be charged before the electric field at
3 answers
582 views
Charges of -10.8 nC and -24.2 nC are separated by 0.813 m. What is the potential midway between the two charges?
1 answer
996 views
A parallel plate capacitor has a capacitance of 1.71 nF. There is a charge of 0.809 μC on each plate.
1 answer
418 views
Hello,
I have a question that reads, "What is the pH of a 0.01M (10mM) solution of arginine that has a net charge of -.65?" I
4 answers
1,925 views
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