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at 20 C the vapor pressure of dry ice is 56.5 atm. if 32 g of dry ice is placed in an evacuated .25 l chamber at a constant
1. 1 answer
2. 899 views
at 20 C the vapor pressure of dry ice is 56.5 atm. if 32 g of dry ice is placed in an evacuated .25 l chamber at a constant
1. 1 answer
2. 3,010 views
Discuss how the path-goal theory of leadership and the expectancy theory of motivation are related
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2. 463 views
8. (TCO8) Briefly explain what is meant by objective and judgmental performance evaluation. Discuss two methods of judgmental
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2. 1,217 views
examples of similes
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2. 485 views
similes
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2. 1,065 views
5/x^2-4+2/x^2-4x+4-3/x^2-x-6
1. 5 answers
2. 263 views
3.An 1145 L tank contains 295 L of water and is being filled with brine from a full 1280 L tank at a rate of 1.55 U.S. gallons
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2. 674 views
2. A bar of uniform section is 81.4cm long and weighs 4.45 kg. A weight of 12.8 kg is suspended from one end. The bar weight
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2. 604 views
A large canal will have a cross-section in the shape of an isosceles trapezoid. The top will be twice as wide as the bottom, and
1. 1 answer
2. 1,145 views
how many ounces of liquid can be contained in a glass jar that is 5" tall and 3" in diameter (1 gallon =231 cubic inches)
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2. 533 views
it is not less than 40.it is not greater than 70. it is not an odd number. it does not have an even number in the tens place. it
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2. 522 views
i have 8 coins in my piggy bank. I have twice as many dimes as I have quarters. I have twice as many pennies as I have dimes. I
1. 1 answer
2. 459 views
This is the Crailsheim water tower in Baden-Württemberg, Germany. Its construction was completed in 1912.The base of the tower
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2. 542 views
A regular triangular pyramid has an altitude of 15.0 m and the base is 8.00 m on a side. Find the area of a section made by a
1. 0 answers
2. 912 views
A chemical engineer designed a 625 ft long tailings channel to have a rhombus cross-section that is 9.5 ft deep, with walls
1. 0 answers
2. 461 views
If a rock is thrown upward on the planet Mars with a velocity of 13 m/s, its height in meters t seconds later is given by y =
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2. 2,390 views
Four boxes of cereal are to be selected at random from a continuous process thatfills boxes labeled "Contents: 340 g." The
1. 0 answers
2. 685 views
Vacuum filtration is avoided when crystals are isolated from a very volatile solvent.why?
1. 2 answers
2. 1,232 views
The suction of a vacuum filtration apparatus is broken before the vacuum is turned off.give reason.
1. 1 answer
2. 1,502 views
An Erlenmeyer flask containing a hot solution is not tightly stoppered to prevent solvent loss during cooling. give reasons.
1. 2 answers
2. 1,571 views
A hot recrystallization solution is not filtered unless absolutely necessary.give reason.
1. 1 answer
2. 2,068 views
A chemist conducted a recrystallization on 18.5 g of a solid and collected 12.5 g from the first, and 2.7 g from the second
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2. 1,176 views
• A student crystallized a compound from benzene and observed only a few crystals when the solution cooled to room
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2. 914 views
Carborundum (silicon carbide) boiling chips are better than calcium carbonate chips in the recrystallization of an unknown,why ?
1. 2 answers
2. 1,634 views
Carborundum (silicon carbide) boiling chips are better than calcium carbonate chips in the recrystallization of an unknown,why ?
1. 1 answer
2. 734 views
The solubility of acetanilide in hot water (5.5 g/100 mL at 100C) is not very great, and its solubility in cold water (0.53
1. 3 answers
2. 4,624 views
Why can a water-ethanol solution be used for recrystallization but not a water-hexane solution?
1. 1 answer
2. 867 views
The solubility of compound A in ethanol is 0.4 g per 100 mL at 0C and 5.0 g per 100 mL at 78C. What is the minimum amount of
1. 2 answers
2. 2,028 views
explain the term carbonate error ..
1. 1 answer
2. 303 views
It is estimated that one third of one per cent of the Earth’s surface receives more energy from the sun than the total
1. 1 answer
2. 540 views
It is estimated that one third of one per cent of the Earth’s surface receives more energy from the sun than the total
1. 1 answer
2. 492 views
How many liters of gasoline are there in 165 gal (US) of a methanol-gasoline blend that is 11.0% by volume?
1. 1 answer
2. 398 views
A chemical distillation tower, 110 m high is supported by cables of length L that reach from the top of the column to the ground
1. 1 answer
2. 474 views
Write a number which rounds to 66,000 when rounded to the nearest ten thousand
1. 4 answers
2. 1,249 views
A roller coaster travels 196ft at an angle of 61.1° above horizantally. How far does it travel horizantally?
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2. 409 views
(3,0),0,-4).solve for length, standard form.thank you
1. 1 answer
2. 282 views
(3,0),0,-4).solve for length, standard form.
1. 0 answers
2. 339 views
(3,0),0,-4).solve for the following :
1. 1 answer
2. 286 views
A rolling ball moves from x1 = 3.2 cm to x2 = -4.2 cm during the time from t1 = 3.8 s to t2 = 6.1 s. What is its average
1. 2 answers
2. 1,875 views
After watching golf on TV several times with her father, 7-year-old Michelle learned how to swing a club even before she
1. 3 answers
2. 406 views
Surgery vs. placebo for the knee pain: Refer to Example 10. Is Arthroscopic Surgery Better than Placebo? Here we show MINITAB
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2. 472 views
Which of the following properties did Rutherford use in his experiment?A. the negative charge of the alpha particles and the
1. 1 answer
2. 1,145 views
Write an equation for a parabola with vertex at (3,- 6) and focus at (3,- 4).
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2. 438 views
Which radioactive emanations have a charge of -1?beta particles alpha particles gamma rays neutrons
1. 3 answers
2. 1,251 views
Write an equation of the hyperbola with foci (0, ) and (0, 2) and vertices of (0, ) and (0, 1).
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2. 828 views
Escribe el cual (la cual, los cuales, las cuales) o lo cual en el espacio.Nos invitaron a cenar con ellos, ____ fue una buena
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2. 777 views
¿Cuál frase es correcta?El hijo del maestro, quien estuvo en mi clase, es muy inteligente. El hijo del maestro, a quien estuvo
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2. 627 views
When you spend $1 at the grocery store, the store doesn’t keep all of your money as profit. Some of it is reinvested in the
1. 0 answers
2. 587 views
Make an Maplet that does the simple calculator funtions as addition, subtraction, multiplication, division, factorial, sin(),
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2. 897 views
a one meter chain that weights one newton sits on a flat horizontal table that is one meter from the floor. the coefficient of
1. 1 answer
2. 576 views
A circle of radius r is centered at the origin and a rectangle is inscribed. The area of the rectangle as a function is given by
1. 1 answer
2. 591 views
You have a 1 L container of a gas O 2 at 20°C and 1 atm. Subtracting the weight of the container, what is the mass of the gas?
1. 1 answer
2. 467 views
A truck covers m in 8 s while smoothly slowing down to a final speed of 2.8 m/s.(a) Find its initial speed. (b) Find its
1. 0 answers
2. 441 views
Draw a quadrangle below.Measure the sides to the nearest 1/2 inch.Write the length next to each side.Find the perimeter.
1. 4 answers
2. 534 views
Identify the capitalized part of speech in the following sentence:You should be proud of him, FOR he's a "jolly good fellow."
1. 1 answer
2. 700 views
Having difficulty with the four frequency ,to use in a table and determine and find the range ..im not understanding whays
1. 0 answers
2. 394 views
my tank is 38 inches tall 45 inches in diameter. How many gallions does it hold?
1. 1 answer
2. 457 views
A(n) 3.91 kg sphere makes a perfectly inelastic collision with a second sphere that isinitially at rest. The composite system
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2. 840 views
wats 460 miles and 20 gallons as a unit rate
1. 1 answer
2. 474 views
Use Cavalieri's Principle to find the area of the region.In the example we see a "leaning tower" with base 'a' and height 'b'.
1. 0 answers
2. 507 views
A farmer has 30yd of fencing and wants to enclose an area beside his barn. What are the dimensions of the region of maximal
1. 1 answer
2. 658 views
X is a complex number. but X is not equal to 1. X^2011=1Compute the sum X^(2n)/((x^n)-1) where n=1,2,3...2010
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2. 310 views
Once a 28 kg crate is in motion on a horizontalﬂoor, a horizontal force of 51 N keeps the crate moving with a constant
1. 0 answers
2. 790 views
why is it necessary to make up to the 250 ml mark while during dilution?
1. 1 answer
2. 325 views
i to write a wellcome letter,wellcoming the new colonies to the United State and ease the fears
1. 1 answer
2. 830 views
what did galileo do in science that made him so famouse
1. 1 answer
2. 448 views
5th grade class of 16 students, one-half of the student arrived at school early, one-fourth arrived on time, and one-eighth
1. 3 answers
2. 612 views
use the given zero to find the remaining zeros of each function.g(x)=x^3+3x^2+25x+75;zero:-5i
1. 1 answer
2. 567 views
que planetas tndrian esas mismas manifestaciones
1. 2 answers
2. 140 views
write the equation for the reaction of fecl2 with k3[fe(cn)6]???
1. 1 answer
2. 2,148 views
if there were two proteins samples of exactly the same concentration but one sample contained a protein having a significantly
1. 0 answers
2. 444 views
A ramjet is to propel an aircraft at Mach 3 at high altitude where the ambient pressure is 8.5 kPaand the ambient temperature
1. 0 answers
2. 967 views
how many liters of oxygen will react with 124.5 liters of propane
1. 1 answer
2. 576 views
a worker drops a wrench from the top of a tower 90m tall. what is the velocity wgen the wrench strikes the ground?
1. 0 answers
2. 552 views
I need to know how to work this math problem: 3n + (-7) -5n +1
1. 2 answers
2. 837 views
Mike makees the following table of the distances he travels during the first day of the trip. A suppose Mike continues riding at
1. 2 answers
2. 1,523 views
Hoshi walks 10 meters in 3 seconds.A. What is her walking rate? B. At this rate, how long does it take her to walk 100meters? C.
1. 23 answers
2. 6,799 views
A uniform beam 6m long and weighing 4kg rest on support p and q placed left and right 1m from each end of the beam. Weight of
1. 2 answers
2. 1,270 views
Damon, thanks for your answer. Consider that the 20lb object is being pulled behind a bid rig truck traveling at 90mph, can it
1. 1 answer
2. 417 views
X horsepower is equal an 20lb. Object traveling at 90mph. Is it possible to solve for X? and if so, what does X equal?
1. 1 answer
2. 378 views
What evidence do you see, in the book Dancing Skeletons, of a holistic study?
1. 2 answers
2. 849 views
In a survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation of 3.03.Given that Normally
1. 0 answers
2. 464 views
In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03.Using this
1. 0 answers
2. 436 views
In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03.Using this
1. 0 answers
2. 404 views
In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03.Using this
1. 0 answers
2. 384 views
In our initial survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation 3.03.Using this
1. 0 answers
2. 416 views
In this summer school class there are 28 male students and 15 female students. An experiment is done that consists of selecting
1. 1 answer
2. 576 views
A 9ft. Ladder is leaning against a wall and make a 50 degree angle with the ground. How far is the ladder from the base of the
1. 1 answer
2. 562 views
The amount of money in an account with continuously compounded interest is given by the formula A=Pe^rt , where P is the
1. 2 answers
2. 972 views
the best way to describe classical Greek art would (paragraph) example would include the statue
1. 3 answers
2. 481 views
The lengths of what are considered "1 inch bolts are found to be normally distrubted with a mean of 1.001 inches and a standard
1. 1 answer
2. 642 views
If you inject carbon nanotubes into the body, can we produce antibodies against it?some ideas: - my answer is yes and no... the
1. 0 answers
2. 498 views
Adams Enterprises’ noncallable bonds currently sell for $1,120. They have a 15- year maturity, an annual coupon of $85, and a
1. 4 answers
2. 2,321 views
draw me an indifference curve where someone does not value integrity very much compared to income
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2. 936 views
should the film "Speak" be studied in english 9?Why?"Speak"by Laurie Halse Anderson
1. 2 answers
2. 543 views
26 1/4- 5 3/10
1. 1 answer
2. 285 views
how many grams of ethenol do i need to burn in excess oxygen in order to recover 5.0 g of h2o in a 75% yield
1. 1 answer
2. 435 views
francisco designed a triangular garden surrounded by three square gardens. the area of garden c (the largest garden) is 400 sq.
1. 0 answers
2. 600 views
joe has a mass of 50 kg and sally has a mads of 30 kg. they sit in class with a separation of 0.5 meters. Find hhe gravitational
1. 2 answers
2. 737 views

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