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Questions Asked on November 24, 2010

A 2.0 m wire segment carrying a current of 0.60 A oriented parallel to a uniform magnetic field of 0.50 T experiences a force of
1. 4 answers
2. asked by edward
3. 11,500 views
A 25.00-mL sample of 0.723 M HClO4 is titrated with a 0.273 M KOH solution. The H3O+ concentration afterthe addition of 10.0 mL
1. 2 answers
2. asked by richard
3. 6,662 views
The average distance separating Earth and the Moon (center to center) is 384 000 km. Use the data in Table 7.3 to find the net
1. 1 answer
2. asked by Anonymous
3. 5,698 views
How many Al atoms thick is the aluminum foil if it is 0.00157cm thick.1 Al atom = 286pm Convert pm to m 286pm = 2.86*10^-10m
1. 1 answer
2. asked by John
3. 4,518 views
For the voltaic cell Cr(s)/Cr3+(aq)//Ni+2 (aq)/Ni(s), list the reactions at the cathode, anode, and the overall net reaction.
1. 2 answers
2. asked by Tara
3. 4,036 views
Two forces, of magnitudes F_1 = 85.0 N and F_2 = 45.0 N, act in opposite directions on a block, which sits atop a frictionless
1. 2 answers
2. asked by BRIJ
3. 3,892 views
Calculate the molar solubility of MX2, if the Ksp=3.3x10^-8how can i solve this problem?
1. 2 answers
2. asked by roseanne
3. 3,668 views
The pH of a solution that contains 0.818 M acetic acid (Ka = 1.76 x 10-5) and 0.172 M sodium acetate is__________. The Ka of
1. 4 answers
2. asked by jack
3. 3,428 views
more it itthani what does that mean??? also: EVELATOR and: DENTURES E F
1. 1 answer
2. asked by hannah
3. 3,328 views
A u-shaped tube, open to the air on both ends,contains mercury. Wather is poured into the left arm until the water column is
1. 3 answers
2. asked by nathan
3. 2,971 views
A uniform magnetic field points North; its magnitude is 1.5 T. A proton with kinetic energy 8.0x10–13 J (5.0 MeV) is moving
1. 1 answer
2. asked by Trace
3. 2,663 views
What is the work done in lifting 60 kg of blocks to a height of 20m?
1. 3 answers
2. asked by scooby
3. 2,477 views
Oil from a ruptured tanker spreads in a circular pattern. If the radius of the circle increases at the constant rate of 1.5 feet
1. 4 answers
2. asked by Karol
3. 2,455 views
List the ethical concepts voiced by jesus.
1. 2 answers
2. asked by john
3. 2,418 views
Find the length of a pendulum that has a frequency of 0.80 Hz?
1. 2 answers
2. asked by jane
3. 2,362 views
The pH of a solution prepared by mixing 50.0 mL of 0.125 M KOH and 50.0 mL of 0.125 M HCl is __________.i know the answer is
1. 2 answers
2. asked by laney
3. 2,299 views
A bullet of mass 45 g is shot at a speed of 220 m/s into a 5.0-kg bag hanging from a string from the ceiling. The bag absorbs
1. 1 answer
2. asked by Sarah
3. 2,228 views
the length of a rectangle is 3 less than 5 times its width.Write a simpified algebriac expression for the perimeter of a
1. 6 answers
2. asked by aisha
3. 2,007 views
From the following:pure water solution of C12H22O11 (m=0.01) in water solution of NaCl (m=0.01) in water solution of CaCl2
1. 2 answers
2. asked by Anonymous
3. 1,989 views
The city bus company usually transports 12000 riders per day at a ticket price of $1. The company wants to raise the tickets
1. 2 answers
2. asked by ted
3. 1,836 views
pls arrange the following in their order of solubility: NH3, N2 AND CO2
1. 3 answers
2. asked by Anonymous
3. 1,753 views
draw a diagram showing the motion of a satellite around Earth. Draw the force vectors acting on the sattelite. Is the sattelite
1. 3 answers
2. asked by jamaila
3. 1,689 views
Each of the following solutions has a concentration of 0.1 mol/L. Compare the hydronium-ion concentration and pH in each pair,
1. 1 answer
2. asked by Anonymous
3. 1,649 views
Draw the condensed structural formula for the products of the acid hydrolysis of the following amide with HCl:CH3-CH2-C(=O)-NH2
1. 3 answers
2. asked by Lindsay
3. 1,635 views
A circular coil of 30 turns and radius 7 cm is placed with its plane oriented at 90 degrees to a magnetic field of 0.1 T. the
1. 1 answer
2. asked by edward
3. 1,625 views
A disk and a hollow spherical shell, like a basketball, are released at the same time at the top of an inclined plane. The
1. 1 answer
2. asked by Ree
3. 1,496 views
During the Olympic ice competition, Boris (m = 75 kg) glides at 1.8 m/s to a stationary Juliette (52 kg) and hangs on. How far
1. 3 answers
2. asked by Mike
3. 1,467 views
Anthraquinone contains only carbon, hydrogen, and oxygen and has an empirical formula os C7H2O. The freezing point of camphor is
1. 2 answers
2. asked by Anonymous
3. 1,435 views
The manager of All City realtorswants to hire some real estate agents to specialize in selling housing units acquired by the
1. 0 answers
2. asked by Dede
3. 1,370 views
A sample of nitrogen (N2) gas has a volume of 250ml at 30 degrees C and a pressure of 745mmHg. What is the volume of the
1. 1 answer
2. asked by Lindsay
3. 1,358 views
Ammonia gas and carbon dioxide gas react to form aqueous urea (NH2CoNH2) and water. What volume of ammonia at 25 degrees celcius
1. 1 answer
2. asked by Beth
3. 1,350 views
An electric generator contains a coil of 100 turns of wire, each turn forming a rectangular loop 50cmby 30cm. The coil is placed
1. 0 answers
2. asked by Ri
3. 1,317 views
The pH of a solution that contains 0.818 M acetic acid (Ka = 1.76 x 10-5) and 0.172 M sodium acetate is__________. The Ka of
1. 1 answer
2. asked by jack
3. 1,216 views
hey i need help for some of these questions and on pedigree with the help of this story......This is the story of Grandma and
1. 4 answers
2. asked by tarkan
3. 1,214 views
A large crate weighing 850 N is slid across the floor of a shop. To move the crate 15 m at a steady spead of 10 cm/s, a constant
1. 1 answer
2. asked by Rashad
3. 1,199 views
would bromocresol green be a good indicator for the titration of CH3COOH against NaOH?
1. 4 answers
2. asked by Anonymous
3. 1,195 views
why is this reaction spontaneous?Mg + 2Cu2+ --> Mg2+ + 2Cu+ Mg2+ + 2e --> Mg E= -2.37 V Cu2 + e --> Cu+ E= 0.15 V
1. 1 answer
2. asked by Tara
3. 1,176 views
legally, the bureaucracy derives the general authority for its programs from
1. 4 answers
2. asked by sandra
3. 1,138 views
Can anyone help ..State the functional groups that the BZP and TFMPP in Party Pills and MDMA have in common. ph //-\\/CF3 / [[
1. 2 answers
2. asked by Apollo
3. 1,129 views
For faster sorting of letters, the postal service encourages companies that send large volumes of mail to use bar code denoting
1. 1 answer
2. asked by JAZZY
3. 1,124 views
combustion of 0.356g of an unknown metal sample in oxygen gives 0.452g of an oxide in the form of mO2, Identify the unknown
1. 1 answer
2. asked by Brittany
3. 1,118 views
1. The legislative agenda of Carter Administration during its first two years:A. was successful B. was criticized by many
1. 2 answers
2. asked by anthony
3. 1,106 views
Hello I need help with scientific notation please 0.00000586
1. 2 answers
2. asked by tiff
3. 1,079 views
what is withdrawing or withholding reinforcement
1. 1 answer
2. asked by Theresa
3. 1,076 views
A certain clock has a minute hand that is 4 inches long and an hour hand is 3 inches long. How fast is the distance between the
1. 4 answers
2. asked by Chelsea
3. 1,072 views
Please let me know how I'm doing with the following chemistry problems. I appreciate your imput.Here's problem 1: A sample of
1. 2 answers
2. asked by Cliff
3. 1,072 views
A 0.025 kg object vibrates in SHM at the end of a spring. If the maximum displacement of the object is 0.030 cm, and its period
1. 2 answers
2. asked by jane
3. 1,068 views
Elisa is a teenage girl who has trust issues with others. She does not like to tell individuals every fact of her life. What
1. 3 answers
2. asked by Monica
3. 1,055 views
The pH of a solution that contains 0.818 M acetic acid (Ka = 1.76 x 10-5) and 0.172 M sodium acetate is__________. The Ka of
1. 1 answer
2. asked by jack
3. 1,045 views
Sir, the farm I am working had a death in one of the horse which lab has confirmed it as Rabies. We have large number of animals
1. 1 answer
2. asked by Dr Ajit Handa
3. 1,012 views
1. I will be 14 years old next year.2. I shall be 14 years old next year. 3. I am going to be 14 years old next year. 4. I
1. 1 answer
2. asked by rfvv
3. 1,012 views
An animal and its tractor (1330 kg) are pulling a trailer (530 kg) up a 7° hill. The trailer wheels roll freely. What is the
1. 2 answers
2. asked by sandhu
3. 1,011 views
Give vertex, axis, x-intercepts and y-intercepts to parabolay= -3x^2-6x+4
1. 1 answer
2. asked by Becky
3. 1,009 views
how do you balance this redox equation?Co(OH)2(aq) + Na2O2(aq) → Co(OH)3(s) + NaOH(aq)
1. 1 answer
2. asked by sparkle
3. 999 views
When tossed upward and hit horizontally by a batter, a 0.23 kg softball receives an impulse of 2.0 N·s. With what horizontal
1. 1 answer
2. asked by Stephanie
3. 997 views
I have my answers at the bottom but please do these questions so I can check my answers. Check my answers as well.Subtract these
1. 6 answers
2. asked by Pratigya
3. 996 views
Im doing extra credit since my math test didn't go so well but im stuck on a question (Wish i had my math book). Please help.Q:
1. 2 answers
2. asked by Shilo
3. 976 views
A satellite of mass 210 kg is launched from a site on Earth's equator into an orbit at 210 km above the surface of Earth.(a)
1. 2 answers
2. asked by tom
3. 959 views
A hunter aims directly at a target (on the same level) 85.0 away. If the bullet leaves the gun at a speed of 188 , by how much
1. 3 answers
2. asked by steph
3. 952 views
Which of the following statements about the margin of error is false?1. Statisticians routinely construct interval estimates by
1. 0 answers
2. asked by Felicia
3. 949 views
In a simulated head-on crash test, a car impacts a wall at 25 mi/h (40 km/h) and comes abruptly to rest. A 120 lb passenger
1. 0 answers
2. asked by Sandi
3. 947 views
How can I solve the differential equation?C = 15ð(2Dh+(3/4)D²) + ë (94.25 Dh+35.34 D^2)/(pi D^2h/4) first dC/dD? second
1. 0 answers
2. asked by Alicia
3. 941 views
The pH of a solution prepared by mixing 50.0 mL of 0.125 M KOH and 50.0 mL of 0.125 M HCl is __________.i know the answer is
1. 0 answers
2. asked by laney
3. 928 views
In a certain cyclotron a proton moves in a circle of radius 0.5m. The magnitude of the magnetic fieldis 1.2T. a) What is the
1. 1 answer
2. asked by Ri
3. 908 views
Estimation is best defined as:1. a process of inferring the values of unknown population parameters from those of known sample
1. 0 answers
2. asked by joe
3. 897 views
As a comet swings around the Sun, ice on the comet's surface vaporizes, releasing trapped dustparticles and ions. The ions,
1. 1 answer
2. asked by Ri
3. 897 views
How does progress today differ from progress thousands of years ago?
1. 1 answer
2. asked by Tiffany
3. 888 views
If a precipitation reaction occurs when a solution of one species is added to a solution of the other, enter the formula,
1. 0 answers
2. asked by Amrita
3. 887 views
Explain why would there be more white blood cells found in a person's body who is infected by salmonella bacteria rather than a
1. 1 answer
2. asked by Laila
3. 885 views
How many centiliters of pure acid must be added to 6 centiliters of a 50% acid solution to obtain a 70% solution?
1. 0 answers
2. asked by Monica
3. 884 views
A professional stunt performer at a theme park dives off a tower 21metres high into the water. His height above the ground at
1. 1 answer
2. asked by ted
3. 881 views
a coconut is falling from a palm treewhich of these is correct? velocity of coconut p.e of coconut 1-decreasing decreasing
1. 1 answer
2. asked by sweetie
3. 874 views
Two chords intersect a circle. The shorter chord is divided into segments of lengths of 9 inches and 12 inches. The longer chord
1. 1 answer
2. asked by Sara
3. 871 views
1. Free elections in Poland:A. were not very significant B. demonstrated clearly that the Cold War was ending. C. showed that
1. 1 answer
2. asked by sara
3. 869 views
Solve each equation. Round decimal answers to the nearest thousandth.5(0.10)^x = 4(0.12)^x
1. 2 answers
2. asked by Star
3. 867 views
how does the structure of the poem affect the meaning of the poem..or contribute to the poemTHank u soo much :)
1. 1 answer
2. asked by Sabrina
3. 864 views
consider the reaction:CO(aq) + Cl2 (aq) --> COCl2 (aq). Calculate Delta G at non standard conditions. T = 298.15K. Concentration
1. 2 answers
2. asked by Tara
3. 864 views
A shotputter throws the shot with an initial speed of 16.0 m/s at a 36.0 angle to the horizontal. Calculate the horizontal
1. 3 answers
2. asked by steph
3. 856 views
2) A solid nonconducting sphere of radius R = 5.6cm has a nonuniform charge distribution or volumecharge density p=
1. 0 answers
2. asked by Ri
3. 846 views
A string that passes over a pulley has a 0.331g mass attached to one end and a 0.625g mass attached to the other end. The
1. 2 answers
2. asked by Ree
3. 831 views
A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r. A passenger feels the seat of
1. 2 answers
2. asked by Colin
3. 820 views
A pair of skydivers jump out airplane 5.5km above the ground. The equation H=5500-5t^2 is an appropriate model for the divers'
1. 1 answer
2. asked by ted
3. 818 views
Suppose that the population of a town is described by P=0.16t^2=7.2t=100, where P is the population in thousands and t is the
1. 1 answer
2. asked by ted
3. 814 views
Methane is oxidized to water and carbon dioxide in a process, in which 10 % of the methane is converted to CO and 20 % is
1. 0 answers
2. asked by Anonymous
3. 800 views
A coordinate system (in meters) is constructed on the surface of a pool table, and three objects are placed on the table as
1. 2 answers
2. asked by Anonymous
3. 798 views
The reaction of aqueous zinc chloride and aqueous sodium oxalate is represented by the balanced ionic equation.Zn2+(aq) +
1. 0 answers
2. asked by Amrita
3. 793 views
Which of the following describes the function of the central vacuole in plant cells?a. It helps reproduction b. It helps
1. 0 answers
2. asked by Annabelle
3. 789 views
Newspapers, once available only in print, have evolved into 24-hour multimedia operations. In addition to newspapers, briefly
1. 1 answer
2. asked by tisha
3. 781 views
Suppose a record turntable rotates at constant angular velocity.a) Does a point on the rim have radial and/or tangential
1. 1 answer
2. asked by henry
3. 780 views
6.A manufacturer of DVD players has been selling 800 each week at 150$each. From a market survey it is discovered that for each
1. 2 answers
2. asked by cynthia
3. 768 views
Consider a “semi-infinite” nonconducting rod(that extends infinitely to the right only) and has a uniform charge density.
1. 0 answers
2. asked by Ri
3. 765 views
1 N204(l) + 2 N2H4(l) --> 3 N2(g) + 4 H2O(g)If you start with: 5.0 x 10^4 g hydrazine (N2H4) "in the tank": 1) How many moles of
1. 1 answer
2. asked by Lauren K.
3. 753 views
What is the use of a Bunsen burner?In short please. Thank you
1. 2 answers
2. asked by Keziah
3. 741 views
Fill in the correct answers:1) Angiosperms is to flower as ______is to cone 2) Dicot is to two seed leaves as______ is to one
1. 3 answers
2. asked by Keziah
3. 729 views
The best art can cut through our tendency to experience life with complacency and prejudgment?what kind of bias is this?
1. 2 answers
2. asked by Anonymous
3. 729 views
A 1155-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1915-N crate
1. 1 answer
2. asked by michelle
3. 698 views
For its size, the common flea is one of the most accomplished jumpers in the animal world. A 2.1 mm-long, 0.46 mg critter can
1. 1 answer
2. asked by Roxanne
3. 697 views
Oil from a ruptured tanker spreads in a circular pattern. If the radius of the circle increases at the constant rate of 1.5 feet
1. 1 answer
2. asked by Karol
3. 686 views
can you write 4+4+3=11 in a multiplication sentence?
1. 3 answers
2. asked by Nadia
3. 685 views
a triangle has two sides that have lengths of 14 feet and 22 feet. which of the following lengths could not represent the length
1. 1 answer
2. asked by nikki
3. 667 views

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