Archives
2010
December

Questions Asked on December 5, 2010

Produce a family tree for at least three generations of your family or a friend's family following these genetic traits: Eye
1. 1 answer
2. asked by Anonymous
3. 466 views
A large number of samples of size ‘n’ are selected from a population and the mean of each sample is determined. What can be
1. 1 answer
2. asked by Angel
3. 488 views
I,m doing aresearch paper and i have to answer questions. Do i write the question in my paper or do i just put them in my intro?
1. 4 answers
2. asked by shirkira
3. 583 views
what is the solution for this equation-9/16 - 7/16 =
1. 4 answers
2. asked by robbie
3. 399 views
I need to know the web site for information on the UCITA and UCC.
1. 2 answers
2. asked by TONJA
3. 436 views
Gail spent 3/10 of her day at school, and 3/9 of her day sleeping. About how much of her day is left?A:about 7/10 B:about 1/3
1. 5 answers
2. asked by Arushi
3. 547 views
can you help with this one -7 - (-2)=
1. 1 answer
2. asked by robbie
3. 262 views
The airplane can take off when its airspeed (speed of the air flowing over the wing) is equal to 65 knots. What is the length of
1. 4 answers
2. asked by Brittany
3. 566 views
Determine which real number corresponds to the situation.The record low temperture for a date is 25.6 degrees below zero. The
1. 7 answers
2. asked by robbie
3. 597 views
the earliest large cities were located on waterfronts. How might new changes in transportation affect the location of cities ?
1. 2 answers
2. asked by Bread
3. 692 views
Suppose that a set of test scores from a class you teach is symmetric and bell-shaped. That's means that there are some scores
1. 1 answer
2. asked by Al
3. 535 views
the earth has a limited amount of water true or false
1. 1 answer
2. asked by melpo
3. 714 views
At the instant a traffic light turns green, a car starts moving with a constant acceleration a of 4.00 m/s2. At the same instant
1. 3 answers
2. asked by Brittany
3. 1,681 views
A 6.00 kg block located on a horizontal frictionless floor is pulled by a cord that exerts a force F=14.1 N at an angle θ=
1. 1 answer
2. asked by jamie
3. 628 views
Two blocks are arranged. The pulley can be considered to be massless, and friction is negligible. M1 is four times more massive
1. 0 answers
2. asked by jamie
3. 690 views
A set of crash tests consists of running a test car moving at a speed of 11.6 m/s (25.5 m/h) into a solid wall. Strapped
1. 0 answers
2. asked by jamie
3. 626 views
A 6.00 kg block located on a horizontal frictionless floor is pulled by a cord that exerts a force F=14.1 N at an angle θ=
1. 0 answers
2. asked by lucy
3. 588 views
Two blocks of mass m1 = 1.0 kg and m2 = 2.5 kg are connected by a massless string. They are released from rest. The coefficent
1. 0 answers
2. asked by lucy
3. 798 views
A 3.26 kg block located on a horizontal floor is pulled by a cord that exerts a force F = 10.4 N at an angle theta = 29.0°
1. 0 answers
2. asked by lucy
3. 938 views
One of two 207.0 kg crates is dragged across the floor at a constant speed with a horizontal force of 197.0 N. How much force
1. 1 answer
2. asked by sky
3. 644 views
Two blocks with mass m1 = 4.2 kg and m2 = 4.7 kg are connected by a massless string over a frictionless and massless pulley. The
1. 1 answer
2. asked by sky
3. 496 views
Two blocks of mass m1 = 1.0 kg and m2 = 2.5 kg are connected by a massless string.M1 is on the surface and mass 2 is hanging on
1. 1 answer
2. asked by sky
3. 783 views
A 3.26 kg block located on a horizontal floor is pulled by a cord that exerts a force F = 10.4 N at an angle theta = 29.0°
1. 0 answers
2. asked by helena
3. 610 views
One of two 207.0 kg crates is dragged across the floor at a constant speed with a horizontal force of 197.0 N. How much force
1. 0 answers
2. asked by helena
3. 672 views
Two blocks are arranged. M1 is on the table and m2 is hanging from the pulley. The pulley can be considered to be massless, and
1. 1 answer
2. asked by helena
3. 1,002 views
The gram-formula mass of NO2 is defined as the mass of one mole ofa. one mole of NO2 b. one molecule of NO2 c. two moles of NO
1. 2 answers
2. asked by danny123
3. 2,813 views
During an acceleration, the angular speed of an engine increases from 900 rpm to 2800 rpm in 4.5 s. What is the average angular
1. 1 answer
2. asked by Sandi
3. 656 views
Which statement is true about a triangular prism?a. It has exactly 1 pair of parallel faces b. It has not parallel edges c.It
1. 9 answers
2. asked by Debbi
3. 1,379 views
Fill in the blank so that the given statement is true.The median is 77 65,68,78,82,89,__
1. 1 answer
2. asked by Debbi
3. 503 views
Lakes that have been acidified by acid rain can be neutralized by liming, the addition of limestone (CaCO3).How much limestone
1. 2 answers
2. asked by amy
3. 2,457 views
In Life of Pi, which is the true story?To me, I think the answer can go either way... Can someone help me? :S
1. 1 answer
2. asked by Jessica
3. 466 views
For the following strong base solution 0.40 M NaOH, determine [OH-] and [H30+].thanks
1. 1 answer
2. asked by amy
3. 350 views
Calculate the pH of 1.28×10−3 M KOH.thanks.
1. 3 answers
2. asked by amy
3. 1,930 views
two particles of mass m1 and m2 are joined by a massless spring of spring constant k and natural length L.Initially m2 is on
1. 0 answers
2. asked by Anonymous
3. 925 views
what is the velocity of a boat traveling 60 km in 2 hours?
1. 4 answers
2. asked by Taylor
3. 1,010 views
What is the lattice energy of NaBr?heat of formation of NaBr = -362 kJ/mol heat of sublimation for Na = 107.30 kJ/mol ionization
1. 2 answers
2. asked by chemistry
3. 4,524 views
I am doing a report on ethylene glycol, AKA antifreeze, and I need to figure out if it is naturally occurring or if it is
1. 2 answers
2. asked by Julie
3. 470 views
What is the empirical formula of a compound that has a carbon-to-hydrogen ratio of 2 to 6?Is it CH3?
1. 4 answers
2. asked by danny123
3. 646 views
Given angle theta is bigger than 0 and smaller than 360, determine two possible values of theta where each ration would be true.
1. 1 answer
2. asked by Emily
3. 1,782 views
what will be the pH change when 20 mL of .1M NaOH is added to 80 mL of a buffer solution consisting of .164M NH3 and .187M
1. 1 answer
2. asked by anonymous
3. 1,071 views
Need Help On This Question.!Potassium chloride reacts with bromine forming potassium bromide plus chlorine. If 500g of potassium
1. 1 answer
2. asked by Jacky
3. 936 views
I got part a but I'm having trouble figuring out b... I know the formula should be something like:T=2pi/omega and
1. 1 answer
2. asked by Anonymous
3. 804 views
#1.) A solar photovoltaic panel has an area of 3 m^2. The panel's maximum power output is 595 W @ 1100 W/m^2.a) What is its
1. 0 answers
2. asked by Joe
3. 505 views
A ball is attached by two spring as shown [vvvOvvv]. If the mass is displaced a distance â–³x BELOW the equilibrium position
1. 0 answers
2. asked by Marco
3. 1,104 views
Does a jellyfish reflect or refract light when it gives off light. If yes, can u please include a ray diagram
1. 0 answers
2. asked by Umesh
3. 389 views
2H2+O2=H=-121k?1molH2Ohow many grams of hydrogen are needed to produce 1.20x10power3 Kj of heat?
1. 1 answer
2. asked by franko
3. 553 views
i need help pls to understand bohrs model
1. 0 answers
2. asked by franko
3. 284 views
a 55 kg skateboarder starts out with a speed of 1.8 m/s. he does +80 J of work on himself by pushing with his feet against the
1. 1 answer
2. asked by Justin
3. 3,240 views
A ladder of unknown length and mass of 29 kg rests on a rough floor, and leans against a rough wall. The coefficient of static
1. 2 answers
2. asked by Mary
3. 742 views
The single cable supporting an unoccupied elevator breaks when the elevator is at rest at the top of a 155 m high building. With
1. 6 answers
2. asked by Brittany
3. 542 views
how many kilojouels of heat are produced when 670gof oxygen react with sufficient hydrogen?
1. 1 answer
2. asked by franko
3. 296 views
I need help with b... I found that k=.750880 for part a but I can't figure out what y would be to get potential energy.A 52 g
1. 3 answers
2. asked by Anonymous
3. 674 views
A father pushes horizontally on his daughter's sled to move it up a snowy incline, as illustrated in the figure, with h = 3.9 m
1. 6 answers
2. asked by Sandi
3. 2,974 views
An unknown metal has a volume of 5.25 mL and a density 2.71 g/mL. What isthe weight of the metal in grams?
1. 1 answer
2. asked by Ivy
3. 530 views
An unknown metal, heated to an unknown temperature until a liquid is droppedinto a calorimeter that has 250 ml of water. The
1. 1 answer
2. asked by Ivy
3. 780 views
Your length measurement was 21.34 cm. The ‘accepted value’ was 21.77cm. What is the percent error of your measurement?
1. 1 answer
2. asked by Ivy
3. 522 views
After subtracting the weight of the container, the Vanadium metal inside isfound to weigh 8.34 grams. After reacting with Oxygen
1. 1 answer
2. asked by Ivy
3. 516 views
A 19.18 mL of 0.125 M Oxalic Acid (H2C2O42H2O) is titrated with a Ca (OH)2solution. The initial volume of Ca(OH)2 was 14.38
1. 2 answers
2. asked by Ivy
3. 539 views
1) Why was Ralph Abernathy a reliable source for information about the civil rights movements ?2) How might the association with
1. 2 answers
2. asked by Bread
3. 506 views
#1.) A solar photovoltaic panel has an area of 3 m^2. The panel's maximum power output is 595 W @ 1100 W/m^2.a) What is its
1. 1 answer
2. asked by Jim
3. 666 views
what layer of the earth did the chile miners reach
1. 0 answers
2. asked by theresa
3. 417 views
how did the miners of chile get into the earth
1. 0 answers
2. asked by theresa
3. 405 views
how does the miners jobs help the earth
1. 0 answers
2. asked by theresa
3. 333 views
what was the chile miners looking for
1. 1 answer
2. asked by theresa
3. 416 views
According to the Cow (2nd sura of Qur’an), Muslimsa) must not be the aggressor in war b) should avoid violence at all cost c)
1. 0 answers
2. asked by James
3. 388 views
how far did the chile miners enter into the earth
1. 0 answers
2. asked by theresa
3. 348 views
Why do you think Douglass says of the killing of slave Demby ‘in an instant poor Demby was no more. His mangled body sank out
1. 1 answer
2. asked by Tiffany
3. 432 views
A ball is attached by two spring as shown [vvvOvvv]. If the mass is displaced a distance â–³x BELOW the equilibrium position
1. 2 answers
2. asked by Marco
3. 674 views
how does the history of cuba connect to the current problems it has today?i know that fidel castro came to power and established
1. 5 answers
2. asked by Anonymous
3. 600 views
Whatis the most important description of Mr. Gore?
1. 0 answers
2. asked by Tiffany
3. 434 views
The blades of a ceiling fan have a radius of 0.399 m and are rotating about a fixed axis with an angular velocity of +1.65
1. 1 answer
2. asked by Josh
3. 1,273 views
find the present value for $2000 if interest is 3.5% compounded quarterly for 6 years?
1. 2 answers
2. asked by kathy
3. 364 views
Quiz has 6 questions. Each question has five possible answers,only one of each 5 answers is correct. If student randomly guesses
1. 9 answers
2. asked by tanya
3. 2,502 views
Sixty percent of the students at a particular community college are female.If 13 students at that community college are selected
1. 3 answers
2. asked by tanya
3. 736 views
The new vapor pressure of a solution of 3.25g of an unknown compound in 22.35g of H2O is 114.9mmHg at 55 degrees Celcius. What
1. 1 answer
2. asked by regina
3. 467 views
Football team makes in average 2 touchdowns per game.Use Poisson distribution to find probability that this team will make 5
1. 0 answers
2. asked by tanya
3. 608 views
How many photons of frequency 2.7*10^14 Hertz would be needed to light a 60 Watt light bulb for 1hr?
1. 1 answer
2. asked by regina
3. 764 views
Given the following reaction:Pd(NO3)2+CaSO4-->PdSO4+Ca(NO3)2 If you started with 225.6ml of 6.32M CaSO4 and the percent yield of
1. 1 answer
2. asked by regina
3. 681 views
What is 6y^2-33y-63?
1. 1 answer
2. asked by Jaleese
3. 399 views
Given the following chemical reaction:Zn+HCl-->ZnCl2+H2(g) If you measured the total volume of collected gas over water at 20
1. 1 answer
2. asked by regina
3. 624 views
If you hit the surface of Copper with a photon of energy and find that the ejected electron has a wavelengt of .8nm what is the
1. 1 answer
2. asked by regina
3. 486 views
oxalic acid, h2c2o4, is a weak acid capable of providing two H3O+ ions.ka=.059 k2=6.4E-5 the [h3o]+ in a .38 M solution of
1. 1 answer
2. asked by anonymous
3. 1,219 views
Using the ionization energy chart, how much energy will it take to remove only 1 electron on the surface of Nickel? If you hit
1. 2 answers
2. asked by regina
3. 443 views
If you collect hydrogen gas over water at a temperature of 45 degrees celcius, what is the volume of jst te hydrogen if the
1. 1 answer
2. asked by regina
3. 662 views
A 4.00-m-long, 500 kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building
1. 1 answer
2. asked by Anonymous
3. 7,079 views
To what extent was president andrew jackson one of the nation'smost effective president?
1. 2 answers
2. asked by Anonymous
3. 571 views
Determine if the reaction produces a precipitate. For aprecipitate mark ‘a’ and if there is no precipitate mark ‘b’. 8.
1. 1 answer
2. asked by Ivy
3. 602 views
An essay on- To what extent was president andrew jackson one of the nation'smost effective president?
1. 0 answers
2. asked by Ashley
3. 538 views
I need help in how do I go about incorporating statistics, graphs and iiustrations.My topic is about probation is apporiate for
1. 0 answers
2. asked by Brandy
3. 418 views
How Does Gilgamesh respond to the death of Enkidu?a) He flees the city of Uruk to seek immortality b) He builds up the city of
1. 0 answers
2. asked by Johnathan
3. 559 views
A gymnast of mass 63.0 {\rm kg} hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and
1. 2 answers
2. asked by Anonymous
3. 1,870 views
how do you convert 3x10^-3 rad to 10 min of arce
1. 1 answer
2. asked by flame
3. 565 views
Find the (theoretical) probability of the given event, assuming that the coins are distinguishable and fair, and that what is
1. 0 answers
2. asked by Liz
3. 569 views
I really need help on this Q, don;t know what to do with multtiple complex forces:A jet plane is flying with a constant speed
1. 1 answer
2. asked by angela
3. 655 views
The space probe Deep Space I was launched on October 24, 1998. Its mass was 474 kg. The goal of the mission was to test a new
1. 1 answer
2. asked by hy
3. 735 views
f two indistinguishable dice are rolled, what is the probability of the event {(3, 3), (2, 3), (5, 3)}?1 What is the
1. 1 answer
2. asked by Liz
3. 951 views
K*T=K*THow would I solve for T?
1. 1 answer
2. asked by Jake
3. 286 views
describe how you would make a 2.5L of a .100M KCL solution from a 5.5M stock solution
1. 2 answers
2. asked by lily
3. 2,104 views
If a system has an infinite number of solutions, use set-builder notation to write the solution set. If a system has no
1. 2 answers
2. asked by Anita
3. 477 views
Multiply and then simply by factoring (√2y)(√3)(√8y)
1. 3 answers
2. asked by beth
3. 880 views

Back to December 2010

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2024