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Questions Asked on October 9, 2009

Metallic aluminum reacts with MnO2 at elevated temperatures to form manganese metal and aluminum oxide. A mixture of the two
1. 3 answers
2. asked by Liz
3. 6,560 views
An elevator (mass 4125 kg) is to be designed so that the maximum acceleration is 0.0400g.What is the maximum force the motor
1. 5 answers
2. asked by DJ
3. 5,026 views
Sulfur trioxide dissolves in water, producing H2SO4. How much sulfuric acid can be produced from 12.1 mL of water (d=1.00g/mL)
1. 2 answers
2. asked by Jon
3. 4,925 views
This is the (average) sale price for single family property in Seattle and Port TownsendYear Seattle Port Townsend 1970 $38000
1. 2 answers
2. asked by SC
3. 4,747 views
What is the percent yield of CO2 if the reaction of 10.0g of CO with excess O2 produces 12.8g of CO2?
1. 3 answers
2. asked by Larry
3. 3,807 views
A test car starts out from rest on a horizontal circular track of 80m radius and increases it's speed at a uniform rate to reach
1. 2 answers
2. asked by Jessi
3. 3,783 views
A woman 5 ft tall is standing near a street lamp that is 12 ft tall. Find a function that models the length L of her shadow in
1. 2 answers
2. asked by David
3. 2,994 views
Which of the following does not belong in a conclusion paragraph?A. An attention grabbing sentence. B.A restated thesis
1. 8 answers
2. asked by larry
3. 2,664 views
Minimizing Sum: Find two positive numbers whose sum is 100 and the sum of whose squares is a minimum.
1. 1 answer
2. asked by David
3. 2,512 views
I'm not sure if my 1 and 2 are correct, and I don't know how to do 3, 4, and 5. Any help is appreciated!1) You wish to extract
1. 3 answers
2. asked by Anonymous
3. 2,270 views
If 7.83 g FeCl3(s) is dissolved in enough water to make 2.50 L of solution, what is the concentration of Fe3+ in the solution?
1. 2 answers
2. asked by Kevin
3. 2,115 views
how could one distinguish 1-octanol from 1-octene and toluene from 1- octene?
1. 1 answer
2. asked by ana
3. 1,995 views
Find a function that models the area A of a circle in terms of its circumference C.
1. 1 answer
2. asked by David
3. 1,952 views
When 1 mol of a gas burns at constant pressure, it produces 2424 J of heat and does 6 kJ of work.How do i calculate delta E for
1. 1 answer
2. asked by Katherine
3. 1,746 views
A manager of a restaurant pushes horizontally with a force of magnitude 150 N on a box of melons. The box moves across the floor
1. 3 answers
2. asked by leslie
3. 1,673 views
A hare and a tortoise compete in a race over a course 1.20 km long. The tortoise crawls straight and steadily at its maximum
1. 1 answer
2. asked by Chloe
3. 1,631 views
The kinetic energy of a rolling billiard ball is given by {\rm{KE}} = 1/2\,mv^2 . Suppose a 0.17-{\rm kg} billiard ball is
1. 2 answers
2. asked by Katherine
3. 1,626 views
Height: The volume of a cone is 100 in³. Find a function that models the height h of the cone in terms of its radius r.
1. 2 answers
2. asked by David
3. 1,609 views
A test rocket is fired vertically upward from a well. A catapult gives it an initial speed of 80.8 m/s at ground level. Its
1. 1 answer
2. asked by blair
3. 1,576 views
Consider the following electron configuration.(σ3s)2 (σ3s*)2 (σ3p)2 (π3p)4 (π3p*)4 Select four species that, in theory,
1. 1 answer
2. asked by Tracey
3. 1,509 views
Is it possible to calculate the torque acting on a rigid body without specifying the origin?
1. 1 answer
2. asked by tom
3. 1,505 views
I have a question about American imperialsim. The American belief in superiority was one major factor that led to American
1. 1 answer
2. asked by Punkie
3. 1,446 views
suppose a system memory requirement is more than the available memory size. Will call it a software problem although the crisis
1. 5 answers
2. asked by Beta plus
3. 1,407 views
what are some antonyms for the word sombre in French. The word sombre means dark, which means gloomy, evil.
1. 2 answers
2. asked by Anna
3. 1,299 views
A bothersome feature of many physical measurements is the presence of a background signal (commonly called "noise"). It is
1. 3 answers
2. asked by Marissa
3. 1,290 views
The combustion of benzoic acid releases 26.38kJ/g and is often used to calibrate a bomb calorimete. The combustion of 1.045g of
1. 9 answers
2. asked by Sindy
3. 1,240 views
how many significant figures do the following numbers have?1)0.023 2) 1000 3) 8120 4) 7.991 * 10^10 5) 0.00390 6) 9.010 * 10-2
1. 1 answer
2. asked by jo
3. 1,236 views
A person has a reasonable chance of surviving an automobile crash if the deceleration is no more than 30 "g's" (recall that g =
1. 1 answer
2. asked by Jim
3. 1,231 views
if anyone has read the book " The Last Book in the Universe" , i have a question. I forgot the book at home and i have to find
1. 4 answers
2. asked by becca
3. 1,168 views
A roll of carpet 9 feet wide is 30 feet longer than a roll of carpet 15 feet wide. Both rolls have the same area. Find the
1. 1 answer
2. asked by Mike
3. 1,167 views
Suppose you want to take a chest X-ray with an X-ray source that has a divergence of 2^o . If the film is 1 meters from the
1. 1 answer
2. asked by Kelly
3. 1,163 views
Maximizing Area: Among all rectangles that have a perimeter of 20 ft, find the dimensions of the one with the largest area.
1. 1 answer
2. asked by David
3. 1,151 views
Could someone please explain to me why the line x=4 is a vertical line.Thank you.
1. 2 answers
2. asked by Terri
3. 1,146 views
A force of 70.0 N is exerted at an angle of 30.0° below the horizontal on a block of mass 8.00 kg that is resting on a table.
1. 1 answer
2. asked by keisha
3. 1,137 views
what did they call the duck who became a test pilot?
1. 4 answers
2. asked by Anonymous
3. 1,092 views
what is the angular speed of Earth around the Sun in radians per second
1. 2 answers
2. asked by craig
3. 1,065 views
A musician plans to perform 6 selections for a concert. If he can choose from 8 different pieces, how many ways can he arrange
1. 3 answers
2. asked by Clair
3. 1,026 views
How can I apply critical thinking when evaluating, articles, advertising, media and conversations?
1. 1 answer
2. asked by Bruce
3. 1,004 views
which explorer landed near Manatee River and then explored La Florida, finally discovering the mississippi river before he died?
1. 13 answers
2. asked by 4 grade FL social studies weekly
3. 1,001 views
Determine if the function sin(x)*e^(ax) where a=constant is an eigenfunction of the operators d/dx and d^2/(dx)^2Okay. My
1. 2 answers
2. asked by Steven
3. 988 views
The owner of arental house can depreciate its value over a period of 27 1/2 years, meaning that the value of the house declines
1. 5 answers
2. asked by Anonymous
3. 986 views
What is the mass of La2(C2O4)3*9H2O, can be obtained from 650mL of 0.0170 M aq solution of LaCl3 by adding a stoichiometric
1. 1 answer
2. asked by Sindy
3. 976 views
Hi!Question:Two packing crates of masses m1 = 10.0 kg and m2 = 6.50 kg are connected by a light string that passes over a
1. 4 answers
2. asked by Chan
3. 942 views
Vroom-vroom! As soon as a traffic light turns green, a car speeds up from rest to 50.0 mi/h with a constant acceleration of 8.40
1. 1 answer
2. asked by blair
3. 938 views
A 24.0 kg box (m1) rests on a table.(b) A 13.0 kg box (m2) is placed on top of the 24.0 kg box, as shown in Fig. 4-35.Determine
1. 1 answer
2. asked by DJ
3. 925 views
Boston Massacre event
1. 1 answer
2. asked by angel
3. 921 views
Ma famille et moi, nous aimons beaucoup être dehors. Quand nous avons le temps, nous sortons de la maison et nous campons dans
1. 1 answer
2. asked by Keyanna
3. 893 views
How would the sun's gravitational force on earth change if Earth had twice its present mass?
1. 1 answer
2. asked by Allan Berger
3. 891 views
When doing a work cited page do you have to put the pages that you used. I already inserted the pages that I used when I sighted
1. 2 answers
2. asked by Monica
3. 887 views
Translate these sentences in French please.I see you. He sees us. We see them. She sees them. She sees you all. I invite you. I
1. 4 answers
2. asked by Keyanna
3. 876 views
A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will
1. 1 answer
2. asked by steven
3. 842 views
-14+26-37-45+56-67-71.___? i don't know how to solve this so plz tell me this with solution. -12-(-24)+(-36) my answer is 0 but
1. 1 answer
2. asked by purplemath
3. 809 views
Height: The volume of a cone is 100 in^3. Find a function that models the height h of the cone in terms of its radius r.
1. 2 answers
2. asked by David
3. 809 views
plane ascends at a 40° angle. When it reaches an altitude of one hundred feet, how much ground distance has it covered? To
1. 2 answers
2. asked by Pedro
3. 803 views
At a dinner party, every 3 guests used a dish for rice between them; every 4 a dish for broth; every 2 a dish for meat. There
1. 1 answer
2. asked by Gabby
3. 795 views
Hi!An object with mass m1 = 5.00 kg, rests on a frictionless horizontal table and is connected to a cable that passes over a
1. 1 answer
2. asked by Chan
3. 779 views
What are the advantages and disadvantages of using least common denomonator when adding or subtracting fractions?
1. 6 answers
2. asked by Kara
3. 774 views
a slide loving pig slides down a certain 45° slide in twice the time it would take to slide down a frictionless 45° slide.
1. 1 answer
2. asked by casey
3. 768 views
For the following vector addition diagrams, use Pythagorean Theorem to determine the magnitude of the resultant. Use SOH CAH TOA
1. 2 answers
2. asked by Robyn
3. 760 views
Is the product of two irrational numbers always an irrationalnumber?
1. 2 answers
2. asked by Sara
3. 749 views
Use the missing factor method to find the quotient 3/5 divided by 2/3? What is the missing factor method?
1. 2 answers
2. asked by Anonymous
3. 743 views
Give your opinions by answering the following questions in complete sentences in French.Quel est ton sport favori? À ton avis,
1. 2 answers
2. asked by Keyanna
3. 738 views
why did explorers come to the new world?
1. 13 answers
2. asked by 4 grade FL social studies weekly
3. 735 views
Prepare three groups of statements that compare three things. The sentences may be something similar to this: Music is fun.
1. 1 answer
2. asked by Keyanna
3. 725 views
what is the last thing you should do before turning in your essay?A.Write the second draft. B.Proofread the essay to make sure
1. 5 answers
2. asked by larry
3. 723 views
If a population consists of ten thousand individuals at time t=0 (P0), and the annual growth rate (excess of births over deaths)
1. 2 answers
2. asked by HEENA
3. 719 views
Is it possible for a car to move in a circular path in such a way that it has a tangential acceleration but no centripetal
1. 2 answers
2. asked by shawn
3. 719 views
1.A box contains four red marbles, seven white marbles, and five blue marbles. If one marble is drawn at random, find the
1. 3 answers
2. asked by cindy
3. 715 views
Read Skill Building Module #16: Managing Resistance to Change (pp. 615-616) in Organizational Behavior (11th ed.), excluding the
1. 1 answer
2. asked by Shy
3. 711 views
In the following sentence select the compound predicate.We could study coins, see jewels, or examine tools. A. study,see B.
1. 3 answers
2. asked by Anonymous
3. 702 views
A 24.0 kg box (m1) rests on a table.(b) A 13.0 kg box (m2) is placed on top of the 24.0 kg box, as shown in Fig. 4-35.Determine
1. 1 answer
2. asked by DJ
3. 690 views
what is 72.5 divided by 1.25
1. 2 answers
2. asked by L
3. 678 views
Sulfur trioxide dissolves in water, producing H2SO4. How much sulfuric acid can be produced from 12.1 mL of water (d=1.00g/mL)
1. 0 answers
2. asked by Jon
3. 664 views
Find the value of y so that the line passing through the two points has the given slope?1. (12,y), (-6,9/7), m= -1/6
1. 1 answer
2. asked by Anonymous
3. 661 views
Nolan is in favor of a share repurchase. He argues that a repurchase will increase the company’s P/E ratio, return on assets,
1. 1 answer
2. asked by Anonymous
3. 656 views
5. CheckPoint: Numeric Filing Resource: Ch. 6 of Essentials of Health Information Management: Principles and Practices 
1. 2 answers
2. asked by Susan
3. 652 views
A 28-year-old man pays $192 for a one-year life insurance policy with coverage of $150,000. If the probability that he will live
1. 1 answer
2. asked by TJ
3. 648 views
A magnetic field is perpendicular to the plane of a single turn circular coil. The magnitude of the field is changing so that
1. 0 answers
2. asked by sandy
3. 648 views
At the 1988 Summer Olympics inSeoul, South Korea, Florence Griffith-Joyner ran the 100-meter dash in 10.49 seconds (a world
1. 2 answers
2. asked by Anonymous
3. 647 views
REad the passage below and please answer the following questions.Je n'habite pas dans une grande ville. J'habite à la campagne.
1. 1 answer
2. asked by Keyanna
3. 641 views
A box weighing 69 N rests on a table. A rope tied to the box runs vertically upward over a pulley and a weight is hung from the
1. 1 answer
2. asked by DJ
3. 637 views
Im trying to get this program to average three number having a problem the sample nmubers im using are 6 6 2 average supposed to
1. 9 answers
2. asked by vsu1
3. 633 views
Did you hear about the Cheerleader Who loved Math?
1. 4 answers
2. asked by Haliegh
3. 628 views
A person takes a trip, driving with a constant speed of 98.5 km/h except for a 21.0 min rest stop. If the person's average speed
1. 1 answer
2. asked by Nicole
3. 621 views
Which point of concurrency in a triangle is the point of intersection of the three altitudes of a triangle?
1. 3 answers
2. asked by Paul
3. 611 views
NaNO3 + H2O >
1. 1 answer
2. asked by zenda
3. 609 views
If a student needs to prepare 50g of bromobenzene and expects no more than a 75% yieldl, how much benzene should the student
1. 1 answer
2. asked by Sindy
3. 595 views
Compare mechanistic and reciprocal interactionism. Give an example of reciprocal interactionism (influences among a person, a
1. 1 answer
2. asked by Yolanda
3. 588 views
I have had a hard time finding the results of the European Wars of the 1790's. I searched about 10 different wordings and such
1. 2 answers
2. asked by Jessica
3. 581 views
A rotating videocamera in the parking garage goesthrough 4 complete rotations in 3/4 hour. How many rotations will it make in 1
1. 2 answers
2. asked by Anonymous
3. 576 views
Without finding the exact answer, select which of the following numbers is the best estimate of each sum or difference of 2/3,
1. 1 answer
2. asked by Anonymous
3. 567 views
A terminating decimal ends after a certain finite number of decinal places, and does not have to be rounded off. An example
1. 4 answers
2. asked by Anonymous
3. 563 views
A rubber puck, initially travelling at 39 km/h, is sliding along an icy surface. How long (in seconds) would it take the puck to
1. 1 answer
2. asked by moe
3. 561 views
Sulfur trioxide dissolves in water, producing H2SO4. How much sulfuric acid can be produced from 12.1 mL of water (d=1.00g/mL)
1. 1 answer
2. asked by Jon
3. 560 views
he weight of an astronaut on the moon is 127 N, where the value of 'g' is only 1.7 m/s2. What would the weight of this astronaut
1. 1 answer
2. asked by Jenny
3. 557 views
develop a hypothesis that could explain why some French farmers were relatively well-off while others were very poor. A
1. 9 answers
2. asked by sara
3. 556 views
I have to simplify this:(y^(1/4)*Z^4)^(-4/5) My answer: (2z)^(1/2)/4z^4 Correct? Simplify (3-2SQRT2)(SQRT6-5) I have no idea how
1. 1 answer
2. asked by Dan
3. 552 views
Find each quotient3/4 divided by -12 5/4 divided by 2 2/3 18 divided by 4.6 3.06 divided by 0.22
1. 2 answers
2. asked by Anonymous
3. 550 views
Use a different integer 1, 2, 3, or 4 for each of a, b, c,and d in the multiplication sentence a/b x c/d to make the greatest
1. 2 answers
2. asked by Anonymous
3. 539 views
Find the point of intersection between y=2-(1/2)x and y=1+ax. (a=alpha sign). You answer will be a point in the xy plane whose
1. 1 answer
2. asked by SC
3. 530 views

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