Archives
2009
November

Questions Asked on November 9, 2009

"How many grams of NH3 can be produced from the reaction of 28 g of N2 and 25 g of H2?N2 + 3H2 ---> 2NH3 ==> 28 g N2 x (1 mol
1. 11 answers
2. asked by Emily
3. 28,060 views
A 2.2 m-long string is fixed at both ends and tightened until the wave speed is 50 m/s.What is the frequency of the standing
1. 5 answers
2. asked by Unknown
3. 5,362 views
A sample of a radioactive substance decayed to 93.5% of its original amount after a year.a) What is the half-life of the
1. 2 answers
2. asked by Lee
3. 5,125 views
Wile E. Coyote is holding a “HEAVY DUTY ACME ANVIL” on a cliff that is 40.0 meters high. The Roadrunner (beep-beep), who is
1. 4 answers
2. asked by Jin
3. 4,995 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. 2 answers
2. asked by Casey
3. 3,994 views
A child throws a snowball at a tree and it sticks to the tree. Does this motion defy the Law of Conservation of Momentum?
1. 3 answers
2. asked by Jon
3. 3,661 views
24.Which of the following is characteristic of the organizational buying process?A)Multiple parties participate in purchase
1. 6 answers
2. asked by Bryan
3. 3,367 views
on heating the hydrate CaSO4*2H2O, how many moles of water should be driven off per mole of hydrate?1 mole?
1. 2 answers
2. asked by c
3. 2,737 views
How many liters of hydrogen at STP can be produced by the reaction of 4.15 g of zinc with hydrochloric acid:Zn + 2HCl -> ZnCl2 +
1. 4 answers
2. asked by Julie
3. 2,717 views
In music, What does "allegro" mean?ALGEBRA WITH PIZZAZZ!
1. 9 answers
2. asked by Naia
3. 2,575 views
Write an equation for the line perpendicular to line XY that contains point Z.line XY: 3x + 2y = -6, Z(3,2) I realize that the
1. 2 answers
2. asked by Heather
3. 2,429 views
Angle x is in the second quadrant and angle y is in the first quadrant such that sinx=5/13 and cosy=3/5, determine and exact
1. 3 answers
2. asked by Jenn
3. 2,389 views
If x2 + y2 = 100 and dy/dt = 3, find dx/dt when y = 8.
1. 3 answers
2. asked by Bryan
3. 2,304 views
The ability to roll the tongue (R) is determined by a dominant gene while the recessive gene results in the inability to roll
1. 3 answers
2. asked by Liam
3. 2,264 views
Which represents the largest pressure?A)five mmHg B)one atmosphere C)one millimeter of mercury D)one hundred pascals E)five
1. 1 answer
2. asked by Holly
3. 2,185 views
Write an equivalent fraction for 6/8
1. 5 answers
2. asked by Bradley
3. 2,131 views
A car is parked near a cliff overlooking the ocean on an incline that makes an angle of 29.1◦ with the horizontal. The
1. 3 answers
2. asked by Anonymous
3. 2,102 views
The concept of free energy allows prediction of spontaneity of a process by considering thechanges in ________ and ________
1. 1 answer
2. asked by brandy
3. 1,964 views
A bacteria culture starts with 260 bacteria and grows at a rate proportional to its size. After 4 hours there will be 1040
1. 1 answer
2. asked by aman
3. 1,929 views
A monopolist has a constant marginal and average cost of $10 and faces a demand curve of QD = 100 - 10P. Marginal revenue is
1. 2 answers
2. asked by too old
3. 1,914 views
Question:which is an example of excretion? a) release of sweat from the sweat glands b) removal of carbondioxide from the lungs
1. 1 answer
2. asked by biology
3. 1,892 views
Write an equivalent fraction for 12/36 =
1. 8 answers
2. asked by Bradley
3. 1,876 views
In a mountain-climbing technique called the "Tyrolean traverse," a rope is anchored on both ends (to rocks or strong trees)
1. 2 answers
2. asked by Taylor
3. 1,673 views
Sound is detected when a sound wave causes the eardrum to vibrate. Typically, the diameter of the eardrum is about 8.4 mm in
1. 2 answers
2. asked by Unknown
3. 1,650 views
How much energy is contained in 1 mol of each of the following?X-ray photons with a wavelength of 0.175 nm. Gamma-ray photons
1. 2 answers
2. asked by Wessells
3. 1,629 views
if you heat 15.00g of the hydrate CaSO4*2H20, and drive off the water, what is the weight of the anhydrous salt remaining?How do
1. 3 answers
2. asked by c
3. 1,610 views
what volume of nitrous oxide gas, N2O has the same number of atoms as 9.00 L of neon gas at the same temperature and pressure
1. 2 answers
2. asked by Rodney
3. 1,591 views
CaSO4.2H2O ==> CaSO4 + 2H2Omoles CaSO4.2H2O = 15.00 g x (1 mole CaSO4.2H2O/172.172) = 0.08712 moles. moles CaSO4 = same. grams
1. 2 answers
2. asked by c
3. 1,527 views
I need to find the critical number of 4x^3-36x^2+96x-64 by factoring. Basically I need to know the zeros.
1. 4 answers
2. asked by Matt
3. 1,516 views
Perform each of the following conversions, being sure to set up clearly the appropriate conversion factor in each case.2.23 m to
1. 4 answers
2. asked by Jake
3. 1,497 views
Consider three one-liter flasks labeled A, B, and C filled with the gases NO, NO2, and N2O, respectively, each at STP.Which
1. 2 answers
2. asked by Anonymous
3. 1,428 views
Given the roots, 1/2 and 4, find:(A) The quadratic equation 2x^2-9x+4 ? (B) The sum of the roots 4 1/2, or 9/2 (C) The product
1. 2 answers
2. asked by A.
3. 1,407 views
Consider the reaction shown:452 kcal + 4 PCl5 (s) �¨ P4 (s) + 10 Cl2(g) This reaction is ________ because the sign of ƒ¢H is
1. 2 answers
2. asked by brandy
3. 1,382 views
Two people carry a heavy electric motor by placing it on a light board 2.00 m long. One person lifts at one end with a force of
1. 1 answer
2. asked by Student1
3. 1,381 views
An astronaut stands on the edge of a lunar crater and throws a half-eaten Twinkie™ horizontally with a velocity of 2.2 m/s.
1. 1 answer
2. asked by Katie
3. 1,375 views
a sandbag is dropped from a balloon at a height of 60 meteres when the angle of eleveation to the sun is 30 degrees. find the
1. 1 answer
2. asked by Anonymous
3. 1,353 views
1. How many molecules of ammonia, NH3, are produced from 12.5 grams of hydrogen in the following balanced equation?
1. 2 answers
2. asked by shamisha
3. 1,323 views
P4 (s) + 10 Cl2 (g) �¨ 4 PCl5 (s) ƒ¢H = -435.2 kcalBased on the reaction shown, which statement is true? A) When 30.97 g P4
1. 1 answer
2. asked by brandy
3. 1,308 views
I am to make an edible cell. It can be either a plant or animal cell. I was wondering if anyone had some unique ideas. I know
1. 2 answers
2. asked by 1234
3. 1,306 views
Given a 10.0g sample of MgCO3*5H2O, what weight of anhydrous magnesium carbonate can be obtained after driving off the water?The
1. 1 answer
2. asked by c
3. 1,300 views
should a president and vice president die does the secretary of state stand next in line to take over the presidency?
1. 1 answer
2. asked by Anonymous
3. 1,292 views
I have to answer a few questions about the essay Ralph Waldo Emerson From Education. (a copy of it is provided on google when
1. 0 answers
2. asked by anonymous
3. 1,277 views
How can I find the key passages in the short story Marigolds, to develop the theme of the story. I have to use quotes from the
1. 6 answers
2. asked by mysterychicken
3. 1,276 views
Label each clause subordinate or independent.1. If you visit the city of Chicago.subordinate 2.the Art Institute of Chicago is
1. 1 answer
2. asked by Christ
3. 1,261 views
Sound is detected when a sound wave causes the eardrum to vibrate. Typically, the diameter of the eardrum is about 8.4 mm in
1. 1 answer
2. asked by Ana
3. 1,237 views
14 during the great fire (independent15 After industries were rebuilt(subordinate
1. 1 answer
2. asked by Christ
3. 1,187 views
calculate the percent water in CaSO4*2H2020.9%?
1. 1 answer
2. asked by c
3. 1,187 views
Tom,Ted,Tony,Terry worked together on a job.The job paid $500.Each boy was paid according to the amount of work he contributed
1. 1 answer
2. asked by Katherine
3. 1,152 views
I need help setting up this problem: A 5.0 sample of O2 is in a container at STP. What volume is the container and how many
1. 1 answer
2. asked by alexis
3. 1,136 views
should a president and vice president die does the secretary of state stand next in line to take over the presidency?
1. 1 answer
2. asked by Anonymous
3. 1,099 views
N2 + O2 �¨ 2 NO ƒ¢H = 43.2 kcalBased on the reaction shown, which statement is true? A) 43.2 kcal are consumed when 1.00 g
1. 2 answers
2. asked by brandy
3. 1,091 views
please can someone help me with these questions?24) Which represents the largest pressure? A) five mm Hg B) one atmosphere C)
1. 1 answer
2. asked by brandy
3. 1,052 views
Would it be possible to separate hexane (b.p. 68.95 degrees Celsius) from toluene (b.p. 110.6 degrees Celsius) by simple
1. 1 answer
2. asked by Apple
3. 1,048 views
Given a 10.0g sample of MgCO3*5H2O, what weight of anhydrous magnesium carbonate can be obtained after driving off the water?84.
1. 3 answers
2. asked by c
3. 987 views
Which has more momentum, a speeding baseball or an ocean liner at rest in a harbor?Baseball. Ocean liner. Both the same. Can't
1. 2 answers
2. asked by Monique
3. 975 views
A plane flying horizontally at an altitude of 1 mi and a speed of 510 mi/h passes directly over a radar station. Find the rate
1. 2 answers
2. asked by Peter
3. 969 views
A propane tank is in the form of a cylinder with two half-spheres, one on each end. The radius of the cylinder is the same as
1. 1 answer
2. asked by kimama
3. 953 views
1. simplify by removing the parenthses and collecting like terms. 83q - (39q-38)=44q+38?2. solve for y---z=ym answer y=z/m? 3.
1. 8 answers
2. asked by Nashea
3. 926 views
The ability to roll the tongue (R) is determined by a dominant gene while the recessive gene results in the ability to roll the
1. 1 answer
2. asked by liam
3. 925 views
What weight of NaOH would be required to prepare 3000 ml of a 2.5M solution?
1. 2 answers
2. asked by Tamaka
3. 904 views
To: Napoleon BonaparteFrom: Sara, Senior Advisor Subject: Continental System 1. Advantage for Britain: None Disadvantages for
1. 1 answer
2. asked by Sara
3. 902 views
ok, after i posted this yesterday:ok, now that i have my pet peeve, i have to fill out this sheet. (please read my earlier post
1. 7 answers
2. asked by y912f
3. 901 views
How many liters of hydrogen at STP can be produced by the reaction of 4.15 g of zinc with hydrochloric acid:Zn + 2HCl -> ZnCl2 +
1. 1 answer
2. asked by Christina
3. 899 views
The height of a rocket fired vertically into the air from the ground is given by the formula h(t) = -16t (2nd power) + 384t + 4,
1. 1 answer
2. asked by Pat
3. 893 views
A spotlight on the ground shines on a wall 12 m away. If a man 2 m tall walks from the spotlight toward the building at a speed
1. 2 answers
2. asked by Peter
3. 886 views
How did geography help the romans prosper
1. 5 answers
2. asked by Rakeem
3. 866 views
why did the us want to build a canal across panama 2 how did the us gain control of the panama canal zone 3 how did the people
1. 1 answer
2. asked by sophie
3. 851 views
If the temp of a quanity of gas changes from 100C to 200C will the volume of the gas double if the pressure remains constant?I
1. 2 answers
2. asked by Amy
3. 851 views
Compare mitosis and meiosis by completeing the chart.Mitosis- Meiosis-homologous chromosomes pair and then separate Mitosis-
1. 0 answers
2. asked by Bob
3. 848 views
1.what was the Pickney treaty?2.why did president jefferson want to buy new orleans from france? 3.why was napoleon willing to
1. 1 answer
2. asked by sakura
3. 837 views
'A surprise ending to a short story only works when the ending is believable. The writer must carefully prepare readers for what
1. 1 answer
2. asked by mysterychicken
3. 837 views
Need help with texas history -what were the illegal immigants called?I really need help! I am doing a treasure hunt where our
1. 9 answers
2. asked by beth
3. 837 views
Two men are carrying a 9.00-m telephone pole that has a mass of 115 kg. If the center of gravity of the pole is 3.00 m from the
1. 2 answers
2. asked by sandhu
3. 837 views
Janet jumps off a high diving platform witha horizontal velocity of 2.22 m/s and lands in the water 1.5 s later. The
1. 1 answer
2. asked by Anonymous
3. 826 views
Tom,Ted,Tony,Terry worked together on a job.The job paid $500.Each boy was paid according to the amount of work he contributed
1. 2 answers
2. asked by Katherine
3. 811 views
Suppose f(x)= e^(-1/x). Graph this function in the window -5(</=)x(</=)5 and 0(</=)y(</=)10. Find the tangent line to y = f(x)
1. 2 answers
2. asked by George
3. 796 views
Which of the following would be most likely to be paid from petty cash?a. coffee for the staff, b. rent for the office, c. the
1. 1 answer
2. asked by MARIA
3. 796 views
i don't get it ....Tom,Ted,Tony,Terry worked together on a job.The job paid $500.Each boy was paid according to the amount of
1. 1 answer
2. asked by Katherine
3. 791 views
A man is standing 35 m from a building. On top of the building is a flg. From the man, the angle of elevation of the top of the
1. 1 answer
2. asked by Anonymous
3. 790 views
A uniform 250 N ladder rests against a perfectly smooth wall, making a 35 degree angle with the wall. (a)Draw a free body
1. 1 answer
2. asked by collegekid
3. 782 views
A hospital has 30 labor rooms, 15 combination labor and delivery rooms, 3 delivery rooms, and 1 special delivery room reserved
1. 0 answers
2. asked by Danielle
3. 763 views
8 m_____________ |\ | 4 m | \ Garden| | \ | | floor \ | -------------- 8m I need help finding the area of the garden and the
1. 0 answers
2. asked by Abby
3. 756 views
Water is exposed to infrared radiation of wavelength 3.0×10^−4 cm. Assume that all the radiation is absorbed and converted to
1. 1 answer
2. asked by Kyle
3. 752 views
Please check my sentences. Thank you!?El arroyo es como un pequeño río. Nosotros estuvimos toda la noche asando carne de vaca.
1. 1 answer
2. asked by hh
3. 751 views
What strategies may you use to incorporate effective visual elements into business presentations? When have you ever sat through
1. 1 answer
2. asked by charlotte
3. 744 views
Rita won $60 million lottery. She is to receive $1 million a year for the next 50 years plus an additional lump sum of $10
1. 0 answers
2. asked by Lawrence
3. 739 views
Why is television called a communications medium?
1. 2 answers
2. asked by Patrick
3. 737 views
Using the financial statements for the Goodyear Calendar Company, calculatethe 13 basic ratios found in the chapter. December
1. 0 answers
2. asked by jeff
3. 731 views
Which has more momentum, a speeding baseball or an ocean liner at rest in a harbor?Baseball. Ocean liner. Both the same. Can't
1. 1 answer
2. asked by Monique
3. 727 views
'What signifigance did the title have in the short story Marigolds?'This is my answer: The title of the short story, Marigolds,
1. 4 answers
2. asked by mysterychicken
3. 721 views
If the current exchange rate is US$1 equals € .70, how much did you win in US dollars?Suppose that the interest rate in Irish
1. 3 answers
2. asked by Jcalhoun
3. 716 views
If there are 7.5 gallons to the cubic foot, and a spherical storage tank has a radius of 19.5 ft, then using 3.14159 for p ,how
1. 1 answer
2. asked by kimama
3. 699 views
1. What percent of 120 is 48? 57.6%?2. collect like terms. 17T + T + 15/13T= 249/13T? 3. solve using the principles together.
1. 2 answers
2. asked by Nashea
3. 698 views
The following two financial statements—a statement of activities (profit and losssummary) and a statement of financial
1. 1 answer
2. asked by hello
3. 697 views
Use a centimeter ruler and separate sheet of paper to draw am 8 cm. by 6 cm. rectangle. List its perimeter on the table below.
1. 1 answer
2. asked by Vickie
3. 689 views
How did Native Americans react to Ponce De Leon's attempts to settle in Florida?
1. 1 answer
2. asked by henry
3. 682 views
A student recorded the following data for copper sulfate pentahydrate.Weight of crucible and cover (after heating to constant
1. 5 answers
2. asked by Anonymous
3. 679 views
I have to find the standard form of a quadratic function with the vertex of -1,4 and x intercepts of -3,0 and 1,0. What do I do
1. 1 answer
2. asked by Erin
3. 677 views
Judy, by chance, spots a potted plant falling outside the window at 3.84 m/s . Further down the same building, Judy boyfriend
1. 1 answer
2. asked by Anonymous
3. 675 views
On the same subject as before with the limiting/excess reagent stuff -- can someone please check my answer to make sure I'm
1. 1 answer
2. asked by Emily
3. 670 views

Back to November 2009

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025