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Questions Asked on October 19, 2009

In the following experiment, a coffee-cup calorimeter containing 100 mL of H2O is used. The initial temperature of the
1. 3 answers
2. asked by Katherine
3. 17,538 views
why can I not use the formula m1v1=m2v2 for the following question: What volume of 1.20 M NaOH will be needed to neutralize 225
1. 4 answers
2. asked by drew
3. 6,220 views
in the local coed softball league, the male to female ratio is 6:6. If there are 160 players in the league, how many are female?
1. 20 answers
2. asked by Shelly
3. 3,722 views
Assume that the salaries of elementary school teachers in the United States are normally distributed with a mean of $34,000 and
1. 3 answers
2. asked by shannen
3. 3,661 views
Write formulas for the binary ionic compounds formed between the following elements:a. Sodium and Iodine b. Calcium and sulfur
1. 1 answer
2. asked by lynda smith
3. 2,556 views
a girl pulls a wagon along a level path for a distance of 15.0 m. the handle of the wagon makes an angle of 20.0 degrees with
1. 2 answers
2. asked by lalaglaze
3. 2,493 views
1.A 24 kg crate initially at rest on a horizon floor requires a 75 N horizontal force to set it in motion, once the crate is in
1. 1 answer
2. asked by Bob
3. 2,234 views
the Q is :Given that (1+ax)^n = 1 + 30x +375x^2+.... find the values of the constants a and n . I know that : (i am writing (n
1. 2 answers
2. asked by Gemini
3. 1,964 views
he forensic technician at a crime scene has just prepared a luminol stock solution by adding 12.0 g of luminol into a total
1. 2 answers
2. asked by Anonymous
3. 1,926 views
you slide a 325-N trunk up a 20.0 degree incline plane with a constant velocity by exerting a force of 211 N parallel to the
1. 1 answer
2. asked by Amanda
3. 1,861 views
A sled slides down a snow-covered hill at CONSTANT SPEED. If the hill makes an ANGLE of 10degrees ABOVE THE HORIZONTAL, WHAT IS
1. 3 answers
2. asked by Shane
3. 1,733 views
On the surface of the earth, it is approximately 6,200 miles from the equator to the north or south pole. How many miles is it
1. 4 answers
2. asked by Krissy
3. 1,724 views
21. The Indian subcontinent is separated from the rest of Asia by thea. Himalayas b. Ganges River c. Deccan Plateau d. Eastern
1. 5 answers
2. asked by mysterychicken
3. 1,687 views
The unemployment rate is 5.8% (Bureau of Labor Statistics, April 3, 2003). Suppose that 100 employable people are selected
1. 2 answers
2. asked by aaron
3. 1,617 views
The speed of a projectile when it reaches its maximum height is 0.46 times its speed when it is at half its maximum height. What
1. 1 answer
2. asked by Jackie
3. 1,599 views
A student placed 17.5 g of glucose in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully
1. 0 answers
2. asked by Ana
3. 1,590 views
Use inductive reasoning to predict the next number in the sequence. Describe the pattern.0, 3, 3, 0, -3, . . . I know the next
1. 1 answer
2. asked by Kelly
3. 1,585 views
A boat travels at 3.8 m/s and heads straight across a river 240m wide at an angle of 145'. The river flows at 1.6 m/s.a. What is
1. 0 answers
2. asked by joshua
3. 1,444 views
Carlyle Inc. is considering two mutually exclusive projects. Both require an initial investment of$15,000 at t = 0. Project S
1. 1 answer
2. asked by LL
3. 1,429 views
Keith wrote the expression 10d to represent the number of dimes in d dollars. Is Keith's expression correct? Explain.
1. 4 answers
2. asked by Cody
3. 1,405 views
im doing a biography on Edvard munch, but i don't understand this question.2. Artist movement/time period- the style associated
1. 3 answers
2. asked by becca
3. 1,354 views
Use each of the numbers 7, 8, 9, 10, and 11 once and only once to fill in the circles so that the sum of the numbers in the
1. 5 answers
2. asked by Kelly
3. 1,343 views
Write formulas for each of the following binary molecular compoundsc. tetraphosphorous decoxide d. diarsenic trisulfide
1. 1 answer
2. asked by lynda smith
3. 1,333 views
a scientist plans to use a microtome to cut sections of a particular type of tissue so then that typical cell will be cut into
1. 1 answer
2. asked by bubba
3. 1,320 views
A 20g rifle bullet traveling 200m/s buries itself in a 3.3kg pendulum hanging on a 3.0m long string, which makes the pendulum
1. 3 answers
2. asked by Halley
3. 1,318 views
I want to write that I listen to Chinese music and about being Chinese. Would that be a personal quality or a "where I come
1. 2 answers
2. asked by RAYMOND
3. 1,313 views
Sorry to post againi don`t know if this answer is right for this question. Is Christianity sexists ?... There is a lot of
1. 3 answers
2. asked by daisie
3. 1,303 views
A soccer player kicks a ball from the ground into the goal, which is located 17 meters away on the level playing field. The ball
1. 1 answer
2. asked by Bill
3. 1,297 views
According to Sternberg, a person can experience eight general types of love. In the following table, a type of love as
1. 3 answers
2. asked by LISA
3. 1,292 views
A boat travels at 3.8 m/s and heads straight across a river 240m wide at an angle of 145'. The river flows at 1.6 m/s.a. What is
1. 0 answers
2. asked by joshua
3. 1,292 views
In what unit is formula mass expressed?
1. 1 answer
2. asked by lynda smith
3. 1,269 views
you push yoursef on a skateboard with the force o 30n and the accelerate at 0,5m/s2 find the mass of you and the skateboard
1. 1 answer
2. asked by joe
3. 1,268 views
Civil Liberties; Freedom of Religion: Currently, do we need more or less protection of this liberty in contemporary American
1. 3 answers
2. asked by B.B.
3. 1,236 views
There are 4 times as many nickels as dimes in a coin bag. The coins have a total value of 600 cents ($6.00). Find the number of
1. 1 answer
2. asked by Vamma
3. 1,225 views
a) The sales representative here tells you they also have two floor plans available, but they only have 38 homes available.
1. 0 answers
2. asked by Aleta
3. 1,210 views
A boat travels at 3.8 m/s and heads straight across a river 240m wide at an angle of 145'. The river flows at 1.6 m/s.a. What is
1. 0 answers
2. asked by joshua
3. 1,210 views
How do you know if you use a single, a double, or a triple bond when drawing the Lewis structure of a compound? How do you know
1. 0 answers
2. asked by Katie Y.
3. 1,210 views
You lose your footing and slide of of your roof. Fortunately, you have placed a safety net whose center is positioned at a
1. 0 answers
2. asked by Bill
3. 1,184 views
Envision that you have served as business manager of Media World for over 2 years. You have noticed that for the last 12 months
1. 0 answers
2. asked by Cathy
3. 1,183 views
A popular pastime is to see who can push an object closest to the edge of a table without its going over. You push a 130 g
1. 1 answer
2. asked by Brian
3. 1,173 views
Simplify:4s raised to the negative 2 power - (4t)raised to the -2 power
1. 3 answers
2. asked by Trisan
3. 1,160 views
1. if 10mL of 0.004M AgNO3 is added to 10mL of 0.0024M K2CrO4, is either Ag+ or CrO4(2-) in stoichiometric excess? if so, which
1. 2 answers
2. asked by millie
3. 1,128 views
Please help. Thank youFourteen people attend a meeting. If each person shook hands with every other person, how many handshakes
1. 1 answer
2. asked by Ken
3. 1,120 views
the wooden crate in the figure below has a mass of 40kg. How much horizontal force is needed to A. start it moving B. to keep it
1. 0 answers
2. asked by kheith
3. 1,115 views
A projectile is launched with an initial velocity of 268 m/s, at an angle of 45 degrees above the horizontal. At a certain
1. 1 answer
2. asked by Bill
3. 1,104 views
A jeep is traveling in a straight line across a flat, empty dessert. On a navigational map with a unit representing 1 km, the
1. 1 answer
2. asked by natasha
3. 1,098 views
True or false? In every triangle, the centroid, incenter, and circumcenter are collinear.
1. 1 answer
2. asked by Aleah
3. 1,082 views
Could you please help?On July 5, in the area around Center Village, there was great excitement. Six different people reported to
1. 1 answer
2. asked by BRENDAN
3. 1,059 views
Lina Chen invested $24,000, part at 8% and the rest at 7.2%. How much did she invest at each rate if her income from the 8%
1. 0 answers
2. asked by Trisan
3. 1,057 views
if 2.0 J of work is done in raising a 180 g apple, how far is it lifted? equation used to figure this problem out?
1. 2 answers
2. asked by lalaglaze
3. 1,022 views
Twelve couples, who live in the HappyRetirement Villa, decide to install intercom systems between each of their 12 suites. How
1. 0 answers
2. asked by DONNA
3. 1,015 views
2x+y=6 find what y equals
1. 1 answer
2. asked by someone
3. 995 views
what forms from a piece of membrane breaking loose from cell membrane
1. 0 answers
2. asked by Amy
3. 993 views
Determine what the next equation would be, and verify that it is indeed a true statement. Describe the pattern.9x9=81 99x99=9801
1. 2 answers
2. asked by Kelly
3. 989 views
The Temperature T of food put in a freezer isT = (700) / t^2+4t+10 where t is the time in hours. Find the rate of change of T
1. 1 answer
2. asked by David.
3. 946 views
Deimos, a moon of Mars, is about 12 km in diameter, with a mass of 2.0x10^15kg. Suppose you are stranded alone on Deimos and
1. 1 answer
2. asked by sam
3. 933 views
how many of the first 999 fibonacci numbers are odd?
1. 1 answer
2. asked by co
3. 932 views
Hello, I am from Norway, I am not good in english and I hope someone could help me with this text. I should write about if the
1. 2 answers
2. asked by Sebastian
3. 928 views
Sally invested a total of $4500, some at 9% per year and the rest at 6% per year. The return from the 9% investment exceeds that
1. 2 answers
2. asked by Trisan
3. 920 views
the speed of train A is 8mph slower than the speed of train B. Train A travels 220 in the same time it takes train B to travel
1. 1 answer
2. asked by mark
3. 896 views
The reason you might see fewer colonies on your LB/Amp/Arabinose + plate (compared to the number of colonies..?The reason you
1. 1 answer
2. asked by blair
3. 895 views
According to the law of universal gravitation, there is force of attraction between any two bodies in the universe, WHY CAN'T
1. 3 answers
2. asked by Shane
3. 895 views
Simplify:4s^-2-(4t)^-2
1. 1 answer
2. asked by Trisan
3. 880 views
how did the lives of slaves differ from those of the free in the united states
1. 1 answer
2. asked by abby
3. 878 views
you swing the pail in a vertical circle of radius 0.900m.What minimum speed must you give the pail at the highest point of the
1. 4 answers
2. asked by Anonymous
3. 868 views
10. Which of the following would be the most important factor in evaluating the accuracy of a report on Russia's economy?a. the
1. 5 answers
2. asked by mysterychicken
3. 851 views
1. the Palestinians were left without a homelanda. after the Islamic religion was established b. because Palistine was given to
1. 5 answers
2. asked by mysterychicken
3. 843 views
A boat travels at 3.8 m/s and heads straight across a river 240m wide at an angle of 145'. The river flows at 1.6 m/s.a. What is
1. 1 answer
2. asked by joshua
3. 837 views
a small mass M and a small mass 3M are 1.00 m apart. where should you put a third small mass so that the net gravitational force
1. 1 answer
2. asked by sam
3. 836 views
pictographs and theme maps are similar, which is more effective and for what reasons
1. 0 answers
2. asked by Michaela
3. 830 views
A 0.060kg tennis ball, moving with a speed of 5.8m/s, has a head-on collision with a 0.10kg ball initially moving in the same
1. 1 answer
2. asked by Taylor
3. 829 views
How much water must be evaporated from a 300 L tank of 2% salt solution to obtain a 5% solution?
1. 0 answers
2. asked by Trisan
3. 820 views
Hi,I need to prepare a demo lesson for 2nd grade on teaching character internal/external traits to students the lesson needs to
1. 5 answers
2. asked by mac
3. 817 views
How would i start this problem?The amount that workers contribute monthly for health care insurance premiums can be modeled by
1. 0 answers
2. asked by Marilyn
3. 805 views
I need help with this:"This is a nation in South Asia. One of South Asia's three major rivers is in this country. The country
1. 14 answers
2. asked by mysterychicken
3. 801 views
Hairs on the arms are tilted upward when a person gets goose bumps. The contracting muscle is called arrector pili and connects
1. 0 answers
2. asked by Nikita
3. 794 views
1/2x - 1/4y= 7/23/4x + 1/3y= 19/2 To change into y=, do i multiply the top one by by 1/4 and the bottom one by -1/3?
1. 1 answer
2. asked by please help(:
3. 786 views
Corey wrote the first draft of his essay. What is the next step before he revises it?A.Proofread the essay for errors.
1. 7 answers
2. asked by larry
3. 785 views
what does el noche mean in English?
1. 4 answers
2. asked by carol
3. 784 views
What id the adjective and adverb in this sentence?The growing stack of magazines always bothered Aaron.
1. 1 answer
2. asked by bre
3. 782 views
find the force exerted by z rope on a 10kg mass that is hanging from the rope
1. 1 answer
2. asked by joe
3. 776 views
A baseball player hits a home run that just barely clears the 12m high fence in right field, 94m from home plate. If the ball
1. 2 answers
2. asked by Bill
3. 769 views
What determines the order in which the component elements of binary molecular compounds are written?
1. 1 answer
2. asked by lynda smith
3. 764 views
A boat travels at 3.8 m/s and heads straight across a river 240m wide at an angle of 145'. The river flows at 1.6 m/s.a. What is
1. 0 answers
2. asked by joshua
3. 763 views
can someone please help me by giving me an example of an anecdote.(short story that will involve your reader and also helps you
1. 3 answers
2. asked by y912f
3. 762 views
A crude oil burned in electrical generating plant contains about 1.2% sulfur by mass. When the oil burns, the sulfur forms
1. 1 answer
2. asked by bobthebuilder
3. 750 views
Does anyone know what is meant by the 'Declaration of the Rights of Man and the Citizen'
1. 4 answers
2. asked by Sara
3. 750 views
all HELP appreciated! Thank You!A fighter jet is launched from an aircraft carrier with the aid of its own engines and a
1. 1 answer
2. asked by Pablo
3. 748 views
A basketball player tries to make a half-court jump shot, releasing the ball at the height of the basket. Assuming that the ball
1. 0 answers
2. asked by Shay
3. 744 views
Choose one of the newly industrializing countries mentioned in the text (p. 102 International Business).The countries are
1. 1 answer
2. asked by Pretty K
3. 734 views
Mr. Smith has 17 18-cent notebooks and 7-cent pencils. The notebooks and pencils are worth $1.85. How many notebooks and how
1. 2 answers
2. asked by Kelly
3. 730 views
How does the author of the article, “A Nation Apart,” organize information to build his argument? Does he include any
1. 1 answer
2. asked by jkkm
3. 727 views
A baseball player hits a home run that just barely clears the 12m high fence in right field, 94m from home plate. If the ball
1. 0 answers
2. asked by Bill
3. 718 views
what is the standard form of 200 thousands+50 tens+3 ones?
1. 2 answers
2. asked by paul
3. 715 views
according to maslow,our lowest or most fundemental needs and motives center arounda:issues of esteem b:the need for love and
1. 2 answers
2. asked by j
3. 714 views
Mrs.Sue is you a Teacher???????????///
1. 3 answers
2. asked by veneisha
3. 712 views
The number 18 is multiplied by a number called "r". When 6 is subtracted from the product of 18 times r, the result is 54. Write
1. 3 answers
2. asked by Dawnetta
3. 710 views
I have a Q that im trying to solve:it says: the 1st , 2nd, and 3rd term of a geo. sequence is the same as the 1st, 7th and 9th
1. 1 answer
2. asked by Gemini
3. 708 views
check these:list one example of each figurative language device. simile: The robber was as quiet as a mouse. metaphor: The
1. 4 answers
2. asked by y912f
3. 702 views
Would someone be willing to proofread my essay? It's supposed to be from the point of view of Pablo Picasso.Yo nací el 25 de
1. 4 answers
2. asked by -
3. 698 views

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