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Questions Asked on September 28, 2011

Ammonia chemically reacts with oxygen gas to produce nitric oxide and water .What mass of ammonia is consumed by the reaction of
1. 1 answer
2. asked by Anonymous
3. 18,457 views
By default, your numerical entry is scored as correct if it is within 1% of the correct answer. A rule of thumb is always to
1. 6 answers
2. asked by Angel
3. 12,851 views
There are two forces on the 2.36 kg box in the overhead view of Fig. 5-31 but only one is shown. For F1 = 18.6 N, a = 11.4 m/s2,
1. 2 answers
2. asked by Anonymous
3. 12,458 views
A man stands on the roof of a 15m tall building and throws a rock with a velocity of magnitude 30m/s at an angle of 33deg above
1. 5 answers
2. asked by Kyle
3. 12,191 views
A plane flies with a velocity of 52 m/s east through a12 m/s cross wind blowing the plane south. Find the magnitude and
1. 7 answers
2. asked by michelle
3. 6,636 views
There are several ways you might think you could enter numbers in WebAssign, that would not be interpreted as numbers. N.B.
1. 3 answers
2. asked by Joe
3. 6,337 views
A plane has an airspeed of 200 {mph}. The pilot wishes to reach a destination 600 {mi} due east, but a wind is blowing at 50
1. 1 answer
2. asked by Fizza
3. 5,369 views
The coefficient of static friction between the 3.00 kg crate and the 35.0 degree incline is .300. What minimum force must be
1. 2 answers
2. asked by Dee
3. 4,785 views
Fe2+(aq) + Cr2O7 2- (aq) →Fe3+(aq) + Cr3+(aq)Balance the equation by using oxidation and reduction half reactions. What is
1. 2 answers
2. asked by Lauren
3. 4,620 views
a rectangular pen is to be constructed alongside a barn using 120 feet of fencing. the barn will be used for one side of the
1. 1 answer
2. asked by craig
3. 4,430 views
LIST TWO REASONS THE FRENCH FELT THREATENED BY BRITISH INTEREST IN THE OHIO RIVER VALLEY?
1. 14 answers
2. asked by JACK
3. 4,358 views
Given the indicated parts of triangle ABC with γ = 90°, approximate the remaining parts. (Round your answers for a and c to
1. 1 answer
2. asked by STEPHANIE
3. 4,270 views
Consider a mixture of the two solids BaCl2.2H2O (FM 244.26) and KCl (FM 74.551). When the mixture is heated to 160C for 1 hour,
1. 1 answer
2. asked by Asuna
3. 3,661 views
who won the race between the boy silkworm and the girl silkworm
1. 10 answers
2. asked by tareeq
3. 3,542 views
What is the length of the blue line labeled r in the image below? Give your answer in terms of a and b.blue line labeled r
1. 1 answer
2. asked by Carl
3. 3,476 views
A shopper pushes a cart 43 m south down one aisle and then turns 90.0° west and moves 15 m. He then makes another 90.0° turn
1. 1 answer
2. asked by Allison
3. 2,796 views
5. Thomas Jefferson and Thomas Paine shared a similar purpose for writing. What was their purpose?(2 points) to express and
1. 3 answers
2. asked by Soh
3. 2,789 views
A ship leaves port at 1:00 P.M. and sails in the direction N36°W at a rate of 25 mi/hr. Another ship leaves port at 1:30 P.M.
1. 5 answers
2. asked by STEPHANIE
3. 2,538 views
A Christmas tree ball will break if dropped on a hardwood floor with a speed of 2.0 m/s or more. If it falls 15 cm from a tree
1. 1 answer
2. asked by Anonymous
3. 2,432 views
How many oxygen atoms are in 3.20g of quartz?
1. 2 answers
2. asked by Kristi
3. 2,329 views
A person flying a kite holds the string 4 feet above ground level. The string of the kite is taut and makes an angle of 60°
1. 1 answer
2. asked by STEPHANIE
3. 2,247 views
Consider the velocity curve of a one dimensional motion along the x-axis. The initial position is x= 10 m. The scale on the
1. 2 answers
2. asked by Ana
3. 2,072 views
Write a two column proof.Given: angle STV is congruent to angle TVU, angle STU is congruent to angle UVS. Prove: Angle SVT is
1. 1 answer
2. asked by David
3. 2,007 views
From a point 45 meters above level ground, a surveyor measures the angle of depression of an object on the ground at 68°.
1. 4 answers
2. asked by Anonymous
3. 1,971 views
If L (3x + 50 degrees)is parallel to M (2x - 20 degrees) find X.
1. 2 answers
2. asked by Mika
3. 1,938 views
WHY DID COLONISTS CONSIDER GEORGE WASHINGTON A HERO, EVEN AFTER HE WAS DEFEATED BY THE FRENCH?PLEASE ANSWER IT THANKS JACK
1. 6 answers
2. asked by JACK
3. 1,872 views
in a triangle abc, the measure of angle b is 34 degrees more than three times the measure of angle a. the measure c is 56
1. 1 answer
2. asked by Eric
3. 1,782 views
Mr. and Mrs. Smith each bought 10 raffle tickets. Each of their three children bought four tickets. If4280 tickets were sold in
1. 2 answers
2. asked by Katie
3. 1,758 views
what is the adjective in sentence "Sam sees a yellow bus"
1. 3 answers
2. asked by Natalia
3. 1,707 views
Two objects with masses of 3.00 kg are connected by a light string that passes over a frictionless pulley.what is the distance
1. 2 answers
2. asked by Dee
3. 1,602 views
1. Exercises that cause the muscles to push against a force heavier than they normally push against can develop flexibility.-Fal
1. 3 answers
2. asked by mysterychicken
3. 1,587 views
What is the meaning of "national psyche"?Can it be used in a sentence like "This mentality should be erased from our national
1. 3 answers
2. asked by Azurelie
3. 1,584 views
All of the following statements about conclusion paragraphs are true EXPECT:A. A restate thesis sentence is found in the
1. 3 answers
2. asked by ciara
3. 1,580 views
can you check my answers i have to find the mean, median and mode1) 8 12 6 9 5 mean: 8 median : 8 mode : no mode 2) 3.4 0.53 1.3
1. 1 answer
2. asked by Marko
3. 1,550 views
If a line segment has endpoints A(3x+5,3y) and B(x-1,-y), what are the coordinates of the midpoint of line segment AB?
1. 1 answer
2. asked by Stephanie
3. 1,539 views
find the outlier of each set of data describe how the outlier affects the mean. just want to double check on 2 problems that we
1. 9 answers
2. asked by Marko
3. 1,495 views
In triangle ABC, angle A = 80 degrees. The bisector of angle B and angel C intersect at point P. Angle BPC = what?
1. 4 answers
2. asked by Mika
3. 1,494 views
a watch glass and filter paper weighing 41.060g was used to collect the CuSCN precipitate in this experiment. After drying, the
1. 1 answer
2. asked by help!
3. 1,479 views
A juggler throws a ball straight up into the air with a speed of 11 .With what speed would she need to throw a second ball half
1. 1 answer
2. asked by Uzz
3. 1,433 views
Given the following thermodynamic data,2H2O(g) → O2(g) + 2H2(g) ∆Hrxn = 483.6kJ H2O(g) → H2O(l) ∆Hrxn = −44.0kJ What
1. 1 answer
2. asked by Dutch
3. 1,425 views
the radius of a nickel is 1centermeter. if 10 nickles are placed in a row, how long will the row be?
1. 2 answers
2. asked by alisha
3. 1,423 views
Which of the following is considered plagiarism?A. copying someone eles's work. B. using a statistic and forgetting to give
1. 4 answers
2. asked by ciara
3. 1,366 views
who would help patients recover lost motor function caused by illness or injury?
1. 1 answer
2. asked by ant
3. 1,357 views
What was Benjamin franklins reaction to the colonies refusal to accept the Albany plan of union?
1. 4 answers
2. asked by JACK
3. 1,357 views
I have 2 questions.1.) Is there a powder that just contains insoluble fiber. I know that Benifiber and many other products
1. 0 answers
2. asked by Rachel
3. 1,333 views
A segment of double-stranded DNA contains 31% Adenine (A) bases.a. What are the percentages of the other three bases in the DNA
1. 0 answers
2. asked by Ellen
3. 1,323 views
An aircraft flew 3hrs with the wind. The return trip took 4hrs against the wind. If the speed of the plane in still air is
1. 1 answer
2. asked by Ingrid
3. 1,308 views
Two packing crates of masses m1 = 10.0 kg and m2 = 4.40 kg are connected by a light string that passes over a frictionless
1. 2 answers
2. asked by Anonymous
3. 1,284 views
A ball launched from ground level lands 2.7 s later on a level field 50 m away from the launch point. Find the magnitude of the
1. 1 answer
2. asked by Kayla
3. 1,284 views
You measure out 45.0 mL of a dense liquid. Its mass is 63.3 g. What is the density of this liquid?
1. 1 answer
2. asked by Adryan
3. 1,275 views
Given the indicated parts of triangle ABC with γ = 90°, approximate the remaining parts. (Round your answers for a and c to
1. 2 answers
2. asked by STEPHANIE
3. 1,254 views
An automobile accelerates from rest at1.3 m/s 2 for 19 s. The speed is then held constant for 23 s, after which there is an
1. 2 answers
2. asked by Mathew
3. 1,227 views
round 172 to the nearest hundred
1. 6 answers
2. asked by sue
3. 1,223 views
Please check my answers I really need to do my homeowrk!;This are polar coordinates we're studying-I'm almost positive the first
1. 0 answers
2. asked by Jonathan
3. 1,211 views
A sperm whale dives from the surface to great depths the air in its lungs progessively shinks until the lungs are completely
1. 5 answers
2. asked by Maci
3. 1,206 views
A quarterback takes the ball from the line of scrimmage, runs backward for 10 yards, and then runs sideways parallel to the line
1. 1 answer
2. asked by Allison
3. 1,192 views
there were 36 hheads and 104 legs in a group of horses and riders.how many horses were in the group? how many riders were in the
1. 8 answers
2. asked by smileyface
3. 1,192 views
1) A scale measuring prejudice has been administered to a large sample of respondents. The distribution of scores is
1. 2 answers
2. asked by Mich
3. 1,192 views
The data below are the final exam scores of 10 randomly selected statistics students and the number of hours they studied for
1. 1 answer
2. asked by milly
3. 1,176 views
A number has more tens than ones , but the digit in the tens place Is less than 4 . The value of the ones digit is less than 3 .
1. 3 answers
2. asked by gt
3. 1,164 views
Which statements are true for the resistivity of a metal conductor:It depends on the temperature of the material. It becomes
1. 0 answers
2. asked by isabelle
3. 1,164 views
An unknown element reacts with bromine to give bromide, MBr3. If 2.809g of the unknown element gives 27.765grams of MBr3, what
1. 1 answer
2. asked by S-rth
3. 1,155 views
A rocket is fired straight up and accelerates upward at 24 m/s2 for 12 seconds. The rocket then runs out of fuel and coasts.
1. 1 answer
2. asked by help
3. 1,150 views
Let f(x) be the function 11x2−9x+7. Then the quotientf(6+h)−f(6)h can be simplified to ah+b for: a= and b=
1. 1 answer
2. asked by Alison
3. 1,148 views
A horizontal spring attached to a wall has a force constant of 780 N/m. A block of mass 1.70 kg is attached to the spring and
1. 0 answers
2. asked by caitlin
3. 1,147 views
Search: How much energy (in Kj) is relased when 25.0g of ethanol vapor at 93, is cooled to -10? Ethanol has a melting point of
1. 1 answer
2. asked by Oscar
3. 1,124 views
I'm working on distances like saying something is closest far away or furthest.Are these correct for what I put in English as
1. 5 answers
2. asked by Josh
3. 1,121 views
Assuming the required RoR for an Investment is 12% and using an inflation rate of 3%, would you recommend the
1. 1 answer
2. asked by Teresa
3. 1,095 views
What is the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency 1.7×10^{15} Hz?
1. 3 answers
2. asked by Caitlin
3. 1,086 views
Does SF5 exhibit hypervalency?I believe yes as it has an extended octet...please confirm this for me, thanks for your help!
1. 1 answer
2. asked by Cassie
3. 1,077 views
A record stores sells CDs for $12 each.A music club offers 5 free CDs and charges $15 for each additional CD.How many CDs would
1. 1 answer
2. asked by Vic
3. 1,064 views
I AM A FOUR-DIGIT EVEN NUMBER. THE SUM OF MY DIGITS IS 15. THE ONES DIGIT IS ONE MORE THAN TENS DIGIT,WICH IS ONE MORE THAN THAN
1. 1 answer
2. asked by vianey
3. 1,048 views
to grandma's house-scott and his family live 15 km south of grandma. -steffi lives 20 km north of byron -robin lives 5 km south
1. 1 answer
2. asked by smileyface
3. 1,046 views
which is a sound recommendation for creating a professional business document?a. Use color to highlight small points that would
1. 2 answers
2. asked by Diana
3. 1,037 views
Thank you very much. I wrote a few more sentences for you to check.1)Under Henry VII England enjoyed a fairly long spell (I need
1. 1 answer
2. asked by Henry2
3. 1,034 views
Can someone please help me out with these two questions below thank you.1. What waste disposal methods are available to humans
1. 0 answers
2. asked by John
3. 1,030 views
how does the number given just below the symbol for magnesium (rounded to 0.01) compare with average mass (amu) of one magnesium
1. 1 answer
2. asked by toya
3. 1,020 views
given the graph of f(x) = x sinx, 0<=x<=2piassuming that a quantity y changes at a rate of y' = xsinx, find by how much it will
1. 1 answer
2. asked by Ethan
3. 1,019 views
The liquid 1-hexanol has a density of 0.814 g/mL at 20 °C. If a 105 gram sample of this compound is needed, what volume of the
1. 1 answer
2. asked by Anonymous
3. 1,004 views
A 86-kg man stands on a spring scale in an elevator. Starting from rest, the elevator ascends, attaining its maximum speed of
1. 1 answer
2. asked by Anonymous
3. 1,000 views
In the figure below, m1 = 10.0 kg and m2 = 4.5 kg. The coefficient of static friction between m1 and the horizontal surface is
1. 2 answers
2. asked by Dan
3. 996 views
when you are writing subject lines for negative messages to peers and subordinates:a) put the topic, but not your action on it,
1. 2 answers
2. asked by angie
3. 995 views
Suppose f is a function which satisfies the properties:f(x+y)=f(x)+f(y)+x2y+xy2 for all real numbers x and y, and
1. 0 answers
2. asked by Alison
3. 983 views
Will someone please provide some references to this question? ThanksWhich of the six virtues (and their related character
1. 1 answer
2. asked by PENNY
3. 979 views
A cashier is unsure whether a group of customers ordered and ate a large or a medium pizza. Medium pizzas have a diameter of 12
1. 1 answer
2. asked by Parker
3. 945 views
3000 exercise books are arranged in 3 piles.The first pile has 10 more books than the second pile.The number of books in the
1. 1 answer
2. asked by miki
3. 943 views
Brandon launches a projectile at an angle of 75 above the horizontal, which strikes he ground a certain distance down range. fo
1. 2 answers
2. asked by Anonymous
3. 933 views
What is the number one eassy writing rule?A.Edit and revise your essay B.Always write five paragraphs C.Always brainstorm before
1. 3 answers
2. asked by ciara
3. 921 views
Find dy/dx by implicit differentiation.cot(y) = 4x − 6y
1. 1 answer
2. asked by Rachel
3. 910 views
what is the partial pressure of N2 in the mixture of N2 and O2 having a total pressure of 1075 torr if the partial pressure of
1. 1 answer
2. asked by Maci
3. 910 views
The first sentence of your introductory paragraph should do all of the following EXPECT:A. Give the reader an idea of the
1. 3 answers
2. asked by ciara
3. 908 views
You have a $9000 motorcycle and a $850 bicycle. The probability that your motorcycle will be stolen next year is .02, but the
1. 1 answer
2. asked by Scott
3. 908 views
A gallup poll of 1236 adults showed that 14% believe that bad luck follows if your path is crossed by a black cat, so n=1236 and
1. 1 answer
2. asked by marie
3. 900 views
need help with thisgenerate only the pseudocode. No charting is required, but you will have to incorporate the bubble sort
1. 0 answers
2. asked by Mistory
3. 899 views
The reaction for the burning of one type of match tip is as follows:P4S3(s) + 8 O2(g)----> P4O10(g) + 3 SO2(g) What volume in L
1. 6 answers
2. asked by Maci
3. 895 views
Choose the most effective thesis sentence from the following:A.I learned a valuable lesson. B.Life is full of valuable lessons.
1. 3 answers
2. asked by ciara
3. 868 views
What are some examples of the kings key advisors, i need some examples to support my answer. Thanks ! AND ALSO CAN YOU PROVIDE
1. 0 answers
2. asked by Stephanie
3. 861 views
A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 49.0 . The
1. 2 answers
2. asked by Uzz
3. 860 views
A person flying a kite holds the string 4 feet above ground level. The string of the kite is taut and makes an angle of 60°
1. 0 answers
2. asked by STEPHANIE
3. 846 views
no accsuly i ha ve to correct these7- A 2008 study suggested that happiness can be spread “like a germ through social networks
1. 0 answers
2. asked by Anonymous
3. 844 views

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