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2010
November
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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
4 answers
asked by
edward
11,522 views
A 25.00-mL sample of 0.723 M HClO4 is titrated with a 0.273 M KOH solution. The H3O+ concentration after
the addition of 10.0 mL
2 answers
asked by
richard
6,693 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 answer
asked by
Anonymous
5,750 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 answer
asked by
John
4,558 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.
2 answers
asked by
Tara
4,052 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
2 answers
asked by
BRIJ
3,919 views
Calculate the molar solubility of MX2, if the Ksp=3.3x10^-8
how can i solve this problem?
2 answers
asked by
roseanne
3,690 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
4 answers
asked by
jack
3,444 views
more it it
thani what does that mean??? also: EVELATOR and: DENTURES E F
1 answer
asked by
hannah
3,346 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
3 answers
asked by
nathan
3,008 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 answer
asked by
Trace
2,699 views
What is the work done in lifting 60 kg of blocks to a height of 20m?
3 answers
asked by
scooby
2,495 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
4 answers
asked by
Karol
2,480 views
List the ethical concepts voiced by jesus.
2 answers
asked by
john
2,437 views
Find the length of a pendulum that has a frequency of 0.80 Hz?
2 answers
asked by
jane
2,376 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
2 answers
asked by
laney
2,334 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 answer
asked by
Sarah
2,257 views
the length of a rectangle is 3 less than 5 times its width.
Write a simpified algebriac expression for the perimeter of a
6 answers
asked by
aisha
2,054 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
2 answers
asked by
Anonymous
2,006 views
The city bus company usually transports 12000 riders per day at a ticket price of $1. The company wants to raise the tickets
2 answers
asked by
ted
1,864 views
pls arrange the following in their order of solubility: NH3, N2 AND CO2
3 answers
asked by
Anonymous
1,775 views
draw a diagram showing the motion of a satellite around Earth. Draw the force vectors acting on the sattelite. Is the sattelite
3 answers
asked by
jamaila
1,709 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 answer
asked by
Anonymous
1,670 views
Draw the condensed structural formula for the products of the acid hydrolysis of the following amide with HCl:
CH3-CH2-C(=O)-NH2
3 answers
asked by
Lindsay
1,663 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 answer
asked by
edward
1,646 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 answer
asked by
Ree
1,536 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
3 answers
asked by
Mike
1,482 views
Anthraquinone contains only carbon, hydrogen, and oxygen and has an empirical formula os C7H2O. The freezing point of camphor is
2 answers
asked by
Anonymous
1,452 views
The manager of All City realtors
wants to hire some real estate agents to specialize in selling housing units acquired by the
0 answers
asked by
Dede
1,401 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 answer
asked by
Lindsay
1,383 views
Ammonia gas and carbon dioxide gas react to form aqueous urea (NH2CoNH2) and water. What volume of ammonia at 25 degrees celcius
1 answer
asked by
Beth
1,372 views
An electric generator contains a coil of 100 turns of wire, each turn forming a rectangular loop 50cm
by 30cm. The coil is placed
0 answers
asked by
Ri
1,353 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 answer
asked by
jack
1,234 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
4 answers
asked by
tarkan
1,232 views
would bromocresol green be a good indicator for the titration of CH3COOH against NaOH?
4 answers
asked by
Anonymous
1,229 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 answer
asked by
Rashad
1,228 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 answer
asked by
Tara
1,195 views
For faster sorting of letters, the postal service encourages companies that send large volumes of mail to use bar code denoting
1 answer
asked by
JAZZY
1,156 views
Can anyone help ..
State the functional groups that the BZP and TFMPP in Party Pills and MDMA have in common. ph //-\\/CF3 / [[
2 answers
asked by
Apollo
1,153 views
legally, the bureaucracy derives the general authority for its programs from
4 answers
asked by
sandra
1,145 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 answer
asked by
Brittany
1,138 views
1. The legislative agenda of Carter Administration during its first two years:
A. was successful B. was criticized by many
2 answers
asked by
anthony
1,118 views
Hello I need help with scientific notation please 0.00000586
2 answers
asked by
tiff
1,104 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
2 answers
asked by
Cliff
1,099 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
4 answers
asked by
Chelsea
1,095 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
2 answers
asked by
jane
1,094 views
what is withdrawing or withholding reinforcement
1 answer
asked by
Theresa
1,088 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
3 answers
asked by
Monica
1,077 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 answer
asked by
jack
1,063 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
2 answers
asked by
sandhu
1,032 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 answer
asked by
rfvv
1,032 views
Give vertex, axis, x-intercepts and y-intercepts to parabola
y= -3x^2-6x+4
1 answer
asked by
Becky
1,031 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 answer
asked by
Dr Ajit Handa
1,029 views
how do you balance this redox equation?
Co(OH)2(aq) + Na2O2(aq) → Co(OH)3(s) + NaOH(aq)
1 answer
asked by
sparkle
1,027 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
6 answers
asked by
Pratigya
1,022 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 answer
asked by
Stephanie
1,007 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:
2 answers
asked by
Shilo
999 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)
2 answers
asked by
tom
987 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
3 answers
asked by
steph
977 views
Which of the following statements about the margin of error is false?
1. Statisticians routinely construct interval estimates by
0 answers
asked by
Felicia
974 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
0 answers
asked by
Sandi
969 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
0 answers
asked by
Alicia
957 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
0 answers
asked by
laney
955 views
In a certain cyclotron a proton moves in a circle of radius 0.5m. The magnitude of the magnetic field
is 1.2T. a) What is the
1 answer
asked by
Ri
930 views
As a comet swings around the Sun, ice on the comet's surface vaporizes, releasing trapped dust
particles and ions. The ions,
1 answer
asked by
Ri
923 views
Estimation is best defined as:
1. a process of inferring the values of unknown population parameters from those of known sample
0 answers
asked by
joe
913 views
If a precipitation reaction occurs when a solution of one species is added to a solution of the other, enter the formula,
0 answers
asked by
Amrita
908 views
How many centiliters of pure acid must be added to 6 centiliters of a 50% acid solution to obtain a 70% solution?
0 answers
asked by
Monica
908 views
How does progress today differ from progress thousands of years ago?
1 answer
asked by
Tiffany
906 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 answer
asked by
Laila
905 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 answer
asked by
ted
904 views
a coconut is falling from a palm tree
which of these is correct? velocity of coconut p.e of coconut 1-decreasing decreasing
1 answer
asked by
sweetie
903 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 answer
asked by
Sara
901 views
consider the reaction:
CO(aq) + Cl2 (aq) --> COCl2 (aq). Calculate Delta G at non standard conditions. T = 298.15K. Concentration
2 answers
asked by
Tara
888 views
Solve each equation. Round decimal answers to the nearest thousandth.
5(0.10)^x = 4(0.12)^x
2 answers
asked by
Star
885 views
how does the structure of the poem affect the meaning of the poem..or contribute to the poem
THank u soo much :)
1 answer
asked by
Sabrina
884 views
1. Free elections in Poland:
A. were not very significant B. demonstrated clearly that the Cold War was ending. C. showed that
1 answer
asked by
sara
883 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
3 answers
asked by
steph
880 views
2) A solid nonconducting sphere of radius R = 5.6cm has a nonuniform charge distribution or volume
charge density p=
0 answers
asked by
Ri
871 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
2 answers
asked by
Colin
859 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
2 answers
asked by
Ree
856 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 answer
asked by
ted
845 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 answer
asked by
ted
840 views
A coordinate system (in meters) is constructed on the surface of a pool table, and three objects are placed on the table as
2 answers
asked by
Anonymous
826 views
The reaction of aqueous zinc chloride and aqueous sodium oxalate is represented by the balanced ionic equation.
Zn2+(aq) +
0 answers
asked by
Amrita
815 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
0 answers
asked by
Anonymous
806 views
Suppose a record turntable rotates at constant angular velocity.
a) Does a point on the rim have radial and/or tangential
1 answer
asked by
henry
803 views
Which of the following describes the function of the central vacuole in plant cells?
a. It helps reproduction b. It helps
0 answers
asked by
Annabelle
801 views
Newspapers, once available only in print, have evolved into 24-hour multimedia operations. In addition to newspapers, briefly
1 answer
asked by
tisha
798 views
Consider a “semi-infinite” nonconducting rod
(that extends infinitely to the right only) and has a uniform charge density.
0 answers
asked by
Ri
794 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
2 answers
asked by
cynthia
788 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 answer
asked by
Lauren K.
768 views
The best art can cut through our tendency to experience life with complacency and prejudgment?
what kind of bias is this?
2 answers
asked by
Anonymous
758 views
What is the use of a Bunsen burner?
In short please. Thank you
2 answers
asked by
Keziah
756 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
3 answers
asked by
Keziah
748 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 answer
asked by
Roxanne
724 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 answer
asked by
michelle
714 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 answer
asked by
nikki
712 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 answer
asked by
Karol
712 views
can you write 4+4+3=11 in a multiplication sentence?
3 answers
asked by
Nadia
705 views
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