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determine the pH of a solution made by mixing 8 ml of 1.10M acetic acid and 2ml 0.9 M sodium acetate solution. pKa for acetic
1. 1 answer
2. 760 views
The following volumes of 0.000300 M SCN are diluted to 15.00mL determine the concentration of SCN in each sample after dilution.
1. 3 answers
2. 4,552 views
This is a question on a study guide for a test tomorrow. How do you do it? Please helpAccording to the Federal Highway
1. 1 answer
2. 1,033 views
How many grams of lithium will combine with 29.1 g of sulfur to form the compound Li2S?
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2. 1,608 views
Zwei Skifahrer, verschiedenes Gewicht (50 kg, 100 kg), gleiche Piste, wer ist schneller, welche Formel?
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2. 415 views
Zwei Skifahrer, verschiedenes Gewicht (50 kg, 100 kg), gleiche Piste, wer ist schneller, welche Formel?
1. 1 answer
2. 438 views
How do I solve this question?"Rory Gilmore earns $20 per hour during the week and $30 per hour for overtime on the weekends. One
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2. 684 views
You have exactly 100 dollars to buy 100 animals you must buy at least one of each of the following animals Chickens=50 cents
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2. 13,858 views
Equivalent Expressions1. Which algebraic expression is equivalent to the expression below? 3(x - 2) + 12(x + 8)
1. 4 answers
2. 702 views
"Song of the South". What New Deal and Great Depression terms are mentioned? How does the song reflect our modern impression of
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2. 1,008 views
HiPlease helpe me to demonstrate that lim x->0 [ln(1+x)+ln(1-x)]/[cos(x)-1]= 2
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2. 315 views
A convex mirror with focal length of -20 cm forms an image 12 cm behind the surface. Where is the object located as measured
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2. 934 views
A convex mirror with focal length of -20 cm forms an image 12 cm behind the surface. Where is the object located as measured
1. 0 answers
2. 839 views
How is it that the Roman Catholic Church was able to gain power in the Roman Empire and what effect did the shift of power have
1. 10 answers
2. 691 views
1.Simplify the expression (sin x+cos x)^2 - sin2x2.Determine the period, amplitude, and phase shift of f(x) = 2/3sin(4x+pie) Is
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2. 611 views
The volume V(t) of air (in cubic inches) in an adult's lungs t seconds after exhaling is approximately. (Do not use mixed
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2. 1,276 views
If you pour 500,000 cubic centimeters of water in a barrel that was already holding 300 liters of water, how much total water
1. 1 answer
2. 492 views
Assume that water lilies double in area every 24 hours. In the spring, there is one water lily on a lake. After thirty days, the
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2. 758 views
A concave mirror has a radius of curvature of 3.4 cm.(a) Determine the object position for which the resulting image is upright
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2. 841 views
How can a noun be misused?
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2. 340 views
Did i correct all the mistakes in this article?Why are many students choosing to pursue their college degrees using their home
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2. 524 views
What is the concentration of hydroxide ions in a solution of .31 M sodium acetate (NaCH3COO)? (The Kb for sodium acetat is 5.6 x
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2. 511 views
Solve the system-3x+4y=-6 5x-3y=-22 3y+2z=-1 I'm not sure how to approach this question because all of the equations are missing
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2. 585 views
solving linear equations with 3 variables1) x+y=1300 2) x+2z=1400 3) x+y+z=1600 this one should be so easy but i don't get which
1. 4 answers
2. 675 views
Solving systems of linear equations in 3 variables...1) 3x-2y+2z=1 2) 2x+5y-5z=7 3) 4x-3y+z=-3 I combined 1 and 3 to get
1. 4 answers
2. 543 views
A copper wire is 7.00 m long and has a cross-sectional area of 1.00 10-4 m2. This wire forms a one turn loop in the shape of a
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2. 1,141 views
a sample of metal has a mass of 100 g and a volume of 2mL what is its density?
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2. 408 views
LCM of 8x^5y^3z^2 and 26x^6y^2w^5plz help me
1. 3 answers
2. 448 views
The modern antibiotic revolution began with the discovery of which antibiotic?sulfanamide quinoline tetracycline penicillin
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2. 494 views
lydia wrote 4_1/2 pages of her science report in one hour. what was her writing rate in pages per minute?(2-4 rates ratios and
1. 2 answers
2. 1,400 views
Two wires with the same resistance have the same diameter but different lengths. If wire 1 has length L1 and wire 2 has length
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2. 1,640 views
I am trying to find moles of IO3 from Cu(IO3)2 10 ml and standardized sodium thiosulfate (Na2S2O3.5H20) .28 M.My calc is: 0.28
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2. 2,489 views
1) Suppose that you wish to fabricate a uniform wire out of 1.15 g of copper. Assume the wire has a resistance R = 0.600 , and
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2. 706 views
There is an electric field at a certain point P, where initially there is no charge. A point-like object is placed at point P,
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2. 765 views
Two plates, each of area 3.40*10-4 m2, are used to construct a parallel-plate capacitor with capacitance 1.20 pF.(a) Find the
1. 2 answers
2. 2,362 views
Four capacitors are connected in series with a battery, as in the figure below, where C1 = 3.24 µF, C2 = 6.11 µF, C3 = 12.1
1. 2 answers
2. 1,462 views
A uniform electric field of magnitude 370 N/C pointing in the positive x-direction acts on an electron, which is initially at
1. 5 answers
2. 1,430 views
using the terms factor, divisor, multiple and divisible by, write as many statements as you can about the number sentence 4X7=28
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2. 526 views
What is the difference between east flowing river and west flowing river on the basis of peninsular river?
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2. 641 views
The Population of a small town is slowly decreasing, in 1990 there were 67,450 living in the city limits. Three years later
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2. 408 views
Do you use is in this sentance or are There are more beaches and physical activity or There is more beaches and physical
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2. 441 views
Of all rectangles that can be formed from thirty 4 x 4 squares, the one with the greatest perimeter has a perimeter of
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2. 884 views
Why don't you have Juan Seguin??????????
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2. 364 views
Why don't you have Juan Seguin!!!!!!!!!
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2. 415 views
A brass wire with Young's modulus of 9.20 1010 Pa is 2.5 m long and has a cross-sectional area of 4.6 mm2. If a weight of 5.2 kN
1. 1 answer
2. 1,403 views
A Canada goose floats with 26.1% of its volume below water. What is the average density of the goose
1. 1 answer
2. 620 views
What is the order by their degree of severity (least extreme first)Ethnonationalism Secession Separatism
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2. 416 views
What is the correct political geography term to describe what New Jersey, California, and Illinois are?
1. 6 answers
2. 1,247 views
A Canada goose floats with 26.1% of its volume below water. What is the average density of the goose?
1. 0 answers
2. 541 views
At the surface of a freshwater lake the air pressure is 1.0 atm. At what depth under water in the lake is the water pressure 3.8
1. 0 answers
2. 606 views
You need to find the number of moles in 5mL of a substance given the density and the molecular weight.How do you do this?
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2. 513 views
How do you find the number of moles in a substance if you have the density and the molecular weight?
1. 2 answers
2. 408 views
A centrifuge has a rotational inertia of 6.0 10-3 kg · m2. How much energy must be supplied to bring it from rest to 420 rad/s?
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2. 520 views
What are all the possible lewis structures for SCN-? Including the formal charges to all atoms.
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2. 1,467 views
What are all the possible lewis structures for SCN-? Including the formal charges to all atoms.
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2. 596 views
A block of wood of mass 0.91 kg is initially at rest. A bullet of mass 0.047 kg traveling at 104.7 m/s strikes the block and
1. 3 answers
2. 1,101 views
Dirk pushes on a packing box with a horizontal force of 67.0 N as he slides it along the floor. The average friction force
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2. 634 views
Dirk pushes on a packing box with a horizontal force of 67.0 N as he slides it along the floor. The average friction force
1. 1 answer
2. 622 views
The red line in the hydrogen line spectrum corresponds to to which electron transition?
1. 1 answer
2. 561 views
Can you tell me what the systematic name for a compound which has a carbon attached to a phenyl, a double bonded oxygen, and a
1. 1 answer
2. 517 views
Can you tell me what the systematic name for a compound which has a carbon attached to a phenyl, a double bonded oxygen, and a
1. 0 answers
2. 416 views
A cyclist starts from rest and pedals so that the wheels make 7.7 revolutions in the first 5.1 s. What is the angular
1. 1 answer
2. 917 views
A space station is shaped like a ring and rotates to simulate gravity. If the radius of the space station is 120 m, at what
1. 2 answers
2. 2,312 views
What's the tangential acceleration of a freely swinging pendulum when it makes an angle θ with the vertical?
1. 1 answer
2. 402 views
I was wondering what the name to a compound is.A phenyl attached to a carbon that is attached to both a double bonded oxygen and
1. 2 answers
2. 458 views
A spy satellite is in circular orbit around Earth. It makes one revolution in 6.04 hours.(a) How high above Earth's surface is
1. 2 answers
2. 1,301 views
An apparatus of the figure below is designed to study insects at an acceleration of magnitude 940 m/s2 (= 96g). The apparatus
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2. 1,247 views
Oliver has a mass of 79.6 kg. He is riding in an elevator that has a downward acceleration of 1.60 m/s2. With what magnitude
1. 1 answer
2. 591 views
What is the average linear speed of the Earth about the Sun? (The distance from the Sun to the Earth is 1.50 1011 meters. The
1. 2 answers
2. 1,312 views
Assuming that achieving replacement-level fertility is desirable, is the assumption of 0 years to reach replacement fertility
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2. 661 views
Assuming that achieving replacement-level fertility is desirable, is the assumption of 0 years to reach replacement fertility
1. 7 answers
2. 2,528 views
Suppose your assignment were to prepare the Glaser type product of a mixed reaction of a phenyl acetylene and propyne. How might
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2. 491 views
How far above the surface of the Earth does an object have to be in order for it to have the same weight as it would have on the
1. 1 answer
2. 1,716 views
A horse is trotting along pulling a sleigh through the snow. To move the sleigh, of mass m, straight ahead at a constant speed,
1. 1 answer
2. 794 views
A horse is trotting along pulling a sleigh through the snow. To move the sleigh, of mass m, straight ahead at a constant speed,
1. 0 answers
2. 628 views
A crate full of artichokes rests on a ramp that is inclined 10.0° above the horizontal. Give the direction of the normal force
1. 6 answers
2. 1,238 views
A crate full of artichokes rests on a ramp that is inclined 10.0° above the horizontal. Give the direction of the normal force
1. 1 answer
2. 754 views
A horse is trotting along pulling a sleigh through the snow. To move the sleigh, of mass m, straight ahead at a constant speed,
1. 0 answers
2. 783 views
A 4.0-kg block is at rest on a horizontal floor. If you push horizontally on the 4.0-kg block with a force of 12.0 N, it just
1. 2 answers
2. 787 views
A bike is hanging from a hook in a garage. You need to consider the following forces.(a) The force of the Earth pulling down on
1. 1 answer
2. 679 views
A bike is hanging from a hook in a garage. You need to consider the following forces.(a) The force of the Earth pulling down on
1. 2 answers
2. 602 views
A skydiver, who weighs 650 N, is falling at a constant speed with his parachute open. Consider the apparatus that connects the
1. 1 answer
2. 1,107 views
A brick is thrown vertically upward with an initial speed of 4.40 m/s from the roof of a building. If the building is 74.0 m
1. 2 answers
2. 692 views
An airplane lands and starts down the runway at a southwest velocity of 41 m/s. What constant acceleration allows it to come to
1. 3 answers
2. 703 views
A particle's constant acceleration is south at 2.1 m/s2. At t = 0, its velocity is 45.2 m/s east. What is its velocity at t =
1. 2 answers
2. 476 views
From the edge of the rooftop of a building, a boy throws a stone at an angle 24.0° above the horizontal. The stone hits the
1. 7 answers
2. 1,233 views
The range R of a projectile is defined as the magnitude of the horizontal displacement of the projectile when it returns to its
1. 1 answer
2. 741 views
At an antique car rally, a Stanley Steamer automobile travels north at 38 km/h and a Pierce Arrow automobile travels east at 51
1. 1 answer
2. 505 views
What is the chemical name for C7H13O?
1. 1 answer
2. 421 views
Why do chamelions change their color?
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2. 469 views
At an antique car rally, a Stanley Steamer automobile travels north at 38 km/h and a Pierce Arrow automobile travels east at 51
1. 1 answer
2. 590 views
From the edge of the rooftop of a building, a boy throws a stone at an angle 24.0° above the horizontal. The stone hits the
1. 0 answers
2. 649 views
At an antique car rally, a Stanley Steamer automobile travels north at 38 km/h and a Pierce Arrow automobile travels east at 51
1. 0 answers
2. 487 views
An arrow is shot into the air at an angle of 60.3° above the horizontal with a speed of 20.1 m/s. What are the x- and
1. 0 answers
2. 532 views
A particle's constant acceleration is south at 2.1 m/s2. At t = 0, its velocity is 45.2 m/s east. What is its velocity at t =
1. 1 answer
2. 433 views
At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 10.9 m
1. 1 answer
2. 1,336 views
An airplane lands and starts down the runway at a southwest velocity of 41 m/s. What constant acceleration allows it to come to
1. 1 answer
2. 708 views
An awards banquet is attended by 120 people. Ribbons are awarded for 1st, 2nd, and 3rd place in each 25 catagories. No one gets
1. 1 answer
2. 603 views
what was the contribution of the frontier on America?
1. 3 answers
2. 436 views
Two percent of the circuit boards manufactured by a particular company are defective. If circuit boards are randomly selected
1. 0 answers
2. 590 views

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