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Questions Asked on December 14, 2010

Choose the element with the highest ionization energy element: Na, Mg, Al, P, SIn my book: ionization energy increase from left
1. 1 answer
2. asked by lianne
3. 5,755 views
what did the beaver say to the tree? using only these letters egatkwolifunydcsmb. you may use these letters more than once
1. 9 answers
2. asked by matt
3. 5,089 views
A pen contains a spring with a spring constant of 228 N/m. Whe the tip of the pen is in its retracted position, the spring is
1. 1 answer
2. asked by need
3. 4,644 views
How do you convert rectangular equations into polar equations? If x4−y4=xy , thenr2=atan(b); What is a? What is b?
1. 1 answer
2. asked by Audrey
3. 3,756 views
a hockey puck is given the initial speed of 10 m/s. If the coefficient of kinetic friction between the ice and puck is 0.10, how
1. 3 answers
2. asked by ama
3. 3,693 views
which of the following is an equation of the line tangent to the graph of y = (x^3)-x at the point where x =2:a) y - 6 = 4(x-2)
1. 1 answer
2. asked by Marc
3. 3,649 views
What is the freezing point depression of an aquous solution of 10.0 g of glucose in 50.0 g H2O?
1. 5 answers
2. asked by Gabrielle
3. 3,643 views
a popgun uses a spring for which k = 20 N/cm. when cocked, the spring is compressed 3.0 cm. how high can the gun shoot a 5.0-g
1. 2 answers
2. asked by Mike
3. 3,478 views
Determine whether triangle PQR is congruent to triangle STU given the coordinates of the vertices. Explain your conclusion.
1. 1 answer
2. asked by Adryan
3. 3,370 views
i dontget how the textbook got the answer, h = -30cos[(1.43)x]° + 40the question is: a paintball is shot at a wheel of radius
1. 5 answers
2. asked by pranav
3. 3,181 views
A hypothetical planet has a radius 2.1 times that of Earth, but has the same mass. What is the acceleration due to gravity near
1. 1 answer
2. asked by Haley
3. 2,900 views
a 6.54 g sample consisting of a mixture of silver nitrate and sodium nitrate is dissolved in water. this mixture then reacts
1. 2 answers
2. asked by christine
3. 2,599 views
(a) What is the escape speed on a spherical asteroid whose radius is 570 km and whose gravitational acceleration at the surface
1. 3 answers
2. asked by Oriana
3. 2,548 views
1\2,4\9,4\18 find equivalent fractions with a common denominator and order from least to greatest
1. 5 answers
2. asked by jonathan
3. 2,301 views
what are the different axes of rotational symmetry for a pentagonal pyramid?
1. 1 answer
2. asked by m
3. 2,150 views
Analyze the function ln x=cx^2 to find the unique value of c such that there is exactly one solution to the equation. To do this
1. 1 answer
2. asked by jessica
3. 2,078 views
The primary audience for your message is made up of
1. 8 answers
2. asked by Anna
3. 1,972 views
If the measure of angle FGK =5v-2 and the measure of angle KGH =3v+8, find x. FGK is the whole angle. GK bisects angle FGK.
1. 1 answer
2. asked by Adryan
3. 1,926 views
A 16kg child on roller skates rolls 2m down an incline at 20 degrees with the horizontal. With no friction, what is the total
1. 1 answer
2. asked by Josh
3. 1,849 views
If 150 g of water are heated from 20.ºC to 30. ºC,the nunber of joules of heat energy absored is
1. 1 answer
2. asked by parveen
3. 1,824 views
How many calories are required to raise the temperature of 75 grams of water from 20 degrees C to 50 degrees C?
1. 1 answer
2. asked by Hannah
3. 1,799 views
A container is filled to a depth of 15.0 cm with water. On top of the water floats a 27.0 cm thick layer of oil with specific
1. 1 answer
2. asked by kate
3. 1,725 views
given ABC is a triangle. Ad is the altitude to BC. Ad biscects angle BAC.Prove: Ad is the median to BC
1. 2 answers
2. asked by SKipper
3. 1,701 views
Balance the reaction below in acidic conditions: IO3- + I- --> I2What volume of 0.352 M HCl is needed to produce 2.48x10-3 moles
1. 1 answer
2. asked by Sarah
3. 1,654 views
Given a solution of ammonium chloride. What additional reagent or reagents are added to prepare a buffer from the ammonium
1. 2 answers
2. asked by Ana
3. 1,626 views
Given 20.0 L of ammonia gas at 5C and 730 torr, calculate the volume at 50C and 800 torr
1. 3 answers
2. asked by Jack
3. 1,615 views
use comparatives to complete this sentence: estudiar/aprender/tan importante como
1. 3 answers
2. asked by Tanne
3. 1,596 views
Let x be an integer. What is the product of twice the integer added to three times the next consecutive integer?
1. 5 answers
2. asked by Lauren
3. 1,575 views
An athlete whirls a 7.00 kg hammer tied to the end of a 1.1 m chain in a horizontal circle. The hammer makes one revolution in
1. 5 answers
2. asked by asian
3. 1,550 views
how far will 350 j raise a 7 kg mass
1. 6 answers
2. asked by taylor
3. 1,545 views
What is the percentage strength (v/v) of Diluted Alcohol, NF, which results from mixing 50 mL of Alcohol, USP (95.0%, v/v) with
1. 2 answers
2. asked by Anonymous
3. 1,514 views
How many cubic feet are in the volume of a round swimming pool which is 16 feet in diameter and 4 feet deep throughout? Express
1. 2 answers
2. asked by Ann
3. 1,464 views
I have two short questions which I think I know the answer-could you please check?If I write log(b)x - 2log(b)y as a single
1. 6 answers
2. asked by Anna
3. 1,399 views
2.) Bonnie is four years older than Clyde. Ten years ago she was twice his age. How old is Bonnie?
1. 2 answers
2. asked by Sherkyra8645
3. 1,366 views
given ab and its midpoint m. the coordinates of a are (-10,-3) and the coordinates of M are (-4,-1)a. find the coordinates of B.
1. 1 answer
2. asked by SKipper
3. 1,348 views
If 720.0 mL of liquid water absorbs 80.0 kJ of heat, what will be its increase in temperature?
1. 1 answer
2. asked by Anonymous
3. 1,316 views
A cylindrical tank has a tight-fitting piston that allows the volume of the tank to change. The tank contains 0.5m^3 of air at a
1. 1 answer
2. asked by joann
3. 1,295 views
A rocket moves upward, starting from rest with an acceleration of 35.0 m/s2 for 5.63 s. It runs out of fuel at the end of the
1. 0 answers
2. asked by Monty
3. 1,220 views
how many grams of sodium carbonate are needed to prepare 0.250 L of an 0.100 M aqueous solution of sodium ions?well normally you
1. 2 answers
2. asked by STACY
3. 1,218 views
I have two short questions which I think I know the answer-could you please check?If I write log(b)x - 2log(b)y as a single
1. 1 answer
2. asked by Anna
3. 1,211 views
Find the volume of the solid obtained by rotating the region bounded by the curves y=x^6, y=1 about the line y=4
1. 0 answers
2. asked by Anonymous
3. 1,202 views
how do i solve this. the measure of each side of an equilateral triangle RST with RS = 2x +2, ST =3x and TR
1. 2 answers
2. asked by ruben
3. 1,201 views
Glycine is an amino acid that can be abbreviated HGly. If 27.50mL of 0.120 M NaOH neutralizes 0.248 g of HGly,what is the molar
1. 2 answers
2. asked by Cliff
3. 1,198 views
How would I write log(6)27-2log(6)3 as a single logarithmWould I start by getting rid of the (-2)- I know its the same log6 but
1. 5 answers
2. asked by Matt
3. 1,192 views
If a and b are the measures of two first quadrant angles and sin a = and sin b = ,find sin (a + b).
1. 2 answers
2. asked by RonNika Owens
3. 1,184 views
Hi,I'm trying to solve some chemistry problems, like the ones my teacher says will appear on our exams. The problem reads like
1. 5 answers
2. asked by Cliff
3. 1,183 views
Your boss has asked you to help new employees understand uses of data in systems-operation management and the various
1. 0 answers
2. asked by Mayra Rosado
3. 1,156 views
Ok so tomorrow is my Physics final and I have so much depending on this one test ( all my other grades are 80 and above but this
1. 1 answer
2. asked by Pablo
3. 1,153 views
The Tri-State Pick 3 lottery game offers a choice of several bets. You choosea three-digit number. The lottery commision
1. 1 answer
2. asked by Laura
3. 1,153 views
Is there anybody who understands the Windows 7 system and some of its problems? I'm having a tough time with Control Panel
1. 5 answers
2. asked by AL 92
3. 1,150 views
Hi,I am supposed to start my grade 12 ISU presentation but I am not sure what mini-creative part I should do. People are making
1. 2 answers
2. asked by Sabrina
3. 1,143 views
How much heat in kJ is required to melt 54 grams of ice at 0 degrees C into water at 0 degrees C if delta Hvap for water = 6.01
1. 1 answer
2. asked by Hannah
3. 1,138 views
1). In 1968, vehicle emision standards allowed 6.3 hydrocarbons released per mile driven. By 1980, the standards allowed only
1. 3 answers
2. asked by Sherkyra8645
3. 1,132 views
4). At diving competiotion, Jan's first dive received 9 scores that averaged 9.0. To calculate her final score for the dive, the
1. 1 answer
2. asked by Sherkyra8645
3. 1,128 views
Our teacher told us we had to do problems on our final on Delta G and S...?all he said is we'd have to plug in numbers from a
1. 1 answer
2. asked by ben
3. 1,117 views
A curve with polar equationr=(8)/7sinx + 36cosx represents a line. This line has a Cartesian equation of the form y=mx+b ,where
1. 3 answers
2. asked by Audrey
3. 1,110 views
in China, the United States competed with other nations for a) Chinese manufactured goods b) Asian trade c) access to Chinese
1. 1 answer
2. asked by Anonymous
3. 1,089 views
I had asked a question earlier and bob pursley nicely answered it but I do have a question concerning it still- perhaps someone
1. 2 answers
2. asked by Anna
3. 1,074 views
Many historians argue that the vietnam war in Vietnam was a profoundly disillusioning experience for Americans. Would you agree?
1. 1 answer
2. asked by ally
3. 1,054 views
Bill Ding plans to build a new hardware store. He buys a rectangular lot that is 50 ft by 200 ft, the 50-foot dimension being
1. 1 answer
2. asked by Murali
3. 1,005 views
what fraction would you use to find 33 1/3% of 42
1. 1 answer
2. asked by die pre-alg die!!
3. 985 views
Calculate the weight of ethane, C2H6 (MWT = 30g/mole), required to produce a pressure of 1520 mm at 20 degrees C when contained
1. 3 answers
2. asked by Darryl
3. 974 views
a 500-g mass is attached to the end of an initially unstretched vertical spring for which k=30 n/m. the mass is then released,
1. 0 answers
2. asked by Mike
3. 969 views
He needs to make a large circular wooden clock that measures about 6 feet in circumference. Write an equation he can use to find
1. 2 answers
2. asked by Miles
3. 964 views
On planet Tehar, the free fall acceleration is the same as that on the Earth, but there is also a strong downward electric field
1. 1 answer
2. asked by Anonymous
3. 951 views
how did the japanese importation of chinese culture differ from that of vietnam and korea?Are these points correct? +++ Japan
1. 0 answers
2. asked by qwerty321
3. 941 views
3p-2 p-3__________ - _______ p^2+2p-24 P^2-16 subtract & simplify
1. 0 answers
2. asked by Anonymous
3. 927 views
25.0 mL of 0.125 M silver nitrate are mixed with 35.0mL of 0.100 M sodium sulfate to give solid silver sulfate. Write the net
1. 3 answers
2. asked by Lori
3. 927 views
Posted by STACY on Monday, December 13, 2010 at 7:56pm.Consider an aqueous solution prepared from 250.0 mL of water and 1.27 g
1. 2 answers
2. asked by STACY
3. 920 views
analyze the function ln x = cx^2 to find the unique value of c such that there is exactly one solution to the equation. to do
1. 0 answers
2. asked by Gabriela
3. 915 views
A piece of glass has a temperature of 72.0 °C. Liquid that has a temperature of 37.0 °C is poured over the glass, completely
1. 2 answers
2. asked by Help
3. 909 views
A person fishing hooks a 3.0-kg fish on a line that can only sustain a maximum of 35 N of force before breaking. At one point
1. 1 answer
2. asked by Anonymous
3. 890 views
can feelings be personified or is it more a projection?i am writing an essay on Life of Pi and i would like to say that Richard
1. 2 answers
2. asked by Kyle
3. 846 views
Scores on the ACT test are normally distributed with a mean of 21.1 and a standard deviation of 4.8. If one ACT score is
1. 1 answer
2. asked by Abby
3. 843 views
What are some characteristics of Greek civilizations?
1. 2 answers
2. asked by J
3. 839 views
determine the gram formula (mass of one mole) KMnO4
1. 3 answers
2. asked by linsey
3. 839 views
The mole fraction of an aqueous solution of potassium perchlorate is 0.125. Assuming that the density of this solution is 1.20g
1. 2 answers
2. asked by Lori
3. 833 views
In the reaction: MnO2 + 4 HCl ---> MnCl2 + Cl2 + 2 H2OCalculate: The volume of Cl2 produced from the reaction of 10 grams of HCl
1. 1 answer
2. asked by Darryl
3. 825 views
which of the following is not an example of a parallel structure?1. yoga can help you develop flexibility, reduce stress, and
1. 4 answers
2. asked by Nancy
3. 822 views
. For the following exercise, complete the following:a. Find the mean, median, and range for each of the two data sets. b. Find
1. 2 answers
2. asked by Sabrina
3. 813 views
which has a greater area, a circular garden with a diameter of 20 meters or a square garden with sides with sides that are 20
1. 2 answers
2. asked by crystal
3. 782 views
calculate the molarity and normality of a solution containing 4.0 g NaOH in 500 cm3 solution
1. 3 answers
2. asked by fabian
3. 781 views
A motor does 5,000 of work in 20 seconds what is the power of the motor
1. 2 answers
2. asked by Anonymous
3. 777 views
Assume that the pressure is one atmosphere and determine the heat in joules required to produce 3.23 kg of water vapor at 100.0
1. 1 answer
2. asked by need
3. 768 views
if there are 3 numbers on a combination lock. how many combinations can there be?
1. 1 answer
2. asked by teddy
3. 763 views
determine the new molarity of calcium ions when 50.0 mL of a 1.50 M calcium chloride solution are combined with 750.0 mL of a
1. 1 answer
2. asked by Wade
3. 757 views
Two factors, each with no digit greater than 5, have a product of 16,848. What is the largest possible 3-digit factor satisfying
1. 2 answers
2. asked by Ann
3. 757 views
Six people are going to be seated in a row of 8 chairs. How many different ways may they be seated?
1. 1 answer
2. asked by Shane
3. 752 views
Please help with estimate and calculate quotients. I do not understand what magnitude estimate is and to circle a box between
1. 6 answers
2. asked by kevin
3. 751 views
How do you think a Puritan writer such as Anne bradstreet might have responded to the ideas presented in a psalm of life
1. 1 answer
2. asked by Jo
3. 748 views
what creates the circulation of air or water that forms from uneven heating?
1. 1 answer
2. asked by Serena
3. 748 views
How do I find the value of x such that the data set has the given mean.Example: 11,12,5,3,x; Mean=7.4
1. 2 answers
2. asked by Maria
3. 747 views
my problem is:From the box containing 5 red balls, 7 blue balls, 10 black balls. you select 4 balls what is the probabilty that
1. 2 answers
2. asked by Katia
3. 744 views
i dontget how the textbook got the answer, h = -30cos[(1.43)x]° + 40the question is: a paintball is shot at a wheel of radius
1. 2 answers
2. asked by pranav
3. 744 views
If a weak acid has a dissociation constant of 6.4 x 10^-6, what is the pH of a solution of this acid in a 0.10 molar
1. 6 answers
2. asked by Maddy
3. 740 views
what is the molality of a solution made up of 20.5 grams of potassium chloride in 750 grams of water?
1. 1 answer
2. asked by Larry
3. 737 views
An analysis of an unknown compound found it contained 40 g potassium, 52 g chromium and 56 g of oxygen.a) What is the empirical
1. 4 answers
2. asked by cam
3. 734 views
i have to write this out in word form because it doesn't look rite when i use numbers...What is the value of X when Y=7?
1. 1 answer
2. asked by Kerri
3. 728 views
Posted by Jenni on Monday, December 13, 2010 at 3:32pm.Determine the molarity of nitrate ions in a solution prepared by mixing
1. 2 answers
2. asked by Jenni
3. 726 views
Can anyone help explain this?when the course of human events it becomes necessary for one people to dissolve the political bands
1. 4 answers
2. asked by Courtney
3. 714 views

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