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Questions Asked on January 13, 2011

Is this a buffer system? NH3/(NH4)2SO4?It is formed by mixing NH3 (weak base) and a strong acid (H2SO4), but according to my
1. 3 answers
2. asked by seth
3. 8,369 views
The legs of an isosceles triangle have lengths 2x+4 and x+8 . The base has length 5x-2 . What is the length of the base?
1. 3 answers
2. asked by edtyyyd
3. 3,613 views
What is the next number in the pattern 20,000; 4,000; 800; 160?
1. 9 answers
2. asked by Sam
3. 3,466 views
1.Solve the simultaneous equations:5x + 4y = 13 3x + 8y = 5
1. 2 answers
2. asked by Shivi
3. 2,166 views
Chlorine pentafluoride gas is collected at -14.0 degrees Celcius in an evacuated flask with a measured volume of 30.0L When all
1. 1 answer
2. asked by Melissa Carder
3. 2,149 views
ive been trying to figure this question out for 20 minutes.. if you could help me that would be great.- Dennis, a new medical
1. 2 answers
2. asked by Ali
3. 2,098 views
Can you help me find an everyday object that has a similar function as :1-Golgi Bodies an example 2-Lysosome an example kitchen
1. 4 answers
2. asked by mike
3. 2,052 views
What were the headlines after a mad scientist trained two eggs to attack a candy store with sharp sticks?
1. 10 answers
2. asked by lala
3. 1,996 views
NH4HS(s) NH3(g) + H2S(g) ∆H_ = +93 kilojoulesThe equilibrium above is established by placing solid NH4HS in an evacuated
1. 1 answer
2. asked by Paul
3. 1,827 views
A music downloading website reports that nearly 5 out of 7 songs are pop music. According to this infomation how many of the
1. 2 answers
2. asked by Sam
3. 1,777 views
Concentrated sulfuric acid is 18.4 molar and has a density of 1.84 grams per milliliter. After dilution with water to 5.20 molar
1. 1 answer
2. asked by K
3. 1,748 views
A number divisible by another number when the ________ after division by that number is 0?
1. 4 answers
2. asked by samantha
3. 1,649 views
find the current produced when a voltage of 60v is applied to a resistance of 15
1. 3 answers
2. asked by janaurius
3. 1,646 views
For problems 1 and 2, determine how many solutions there are for each triangle. You do not have to solve the triangle.1. A =
1. 2 answers
2. asked by Tabitha
3. 1,630 views
C2H2(g) + 2 H2(g)--> C2H6(g)Substance So (J/mol∙K) ∆Hºf (kJ/mol) C2H2(g 200.9 226.7 H2(g) 130.7 0 C2H6(g) -- -84.7 Bond
1. 1 answer
2. asked by Brenda
3. 1,553 views
Because Earth's rotation is gradually slowing, the length of each day increases: The day at the end of 1.0 century is 1.0 ms
1. 3 answers
2. asked by Ethan
3. 1,553 views
A constant friction force of 10 N acts on a 85 kg skier for 20 s. What is the skier's change in velocity?
1. 3 answers
2. asked by Eleanor
3. 1,436 views
Using a supply and demand diagram, illustrate the impact of each of the following on price and quanity demanded:a. Improvements
1. 0 answers
2. asked by Mike
3. 1,390 views
please check:1. the personalities of adopted children: a. similar to personalities of other children in adoptive families b.
1. 3 answers
2. asked by Sarah
3. 1,382 views
The source code that generated this unhandled exception can only be shown when compiled in debug mode. To enable this, please
1. 1 answer
2. asked by Amy~
3. 1,354 views
• Post a 200- to 300-word response to the following: Describe the stages of sleep. In which stage do we dream? What are the
1. 3 answers
2. asked by Ashley
3. 1,337 views
After fixing a flat tire on a bicycle you give the wheel a spin. Its initial angular speed was 6.50 and it rotated 15.2
1. 2 answers
2. asked by john
3. 1,322 views
Practice Problem #16 pg. 307: A researcher theorized that people can hear better when they have just eaten a large meal. Six
1. 1 answer
2. asked by Dianne
3. 1,300 views
What voltage is required to store 6.90 10-5 C of charge on the plates of a 7.00-µF capacitor?
1. 3 answers
2. asked by Anonymous
3. 1,271 views
1.In a jar, suppose there are 3 blue marbles, 2 yellow marbles and one red marble.c. Suppose that 3 marbles are drawn from the
1. 3 answers
2. asked by Sam
3. 1,264 views
Great Gatsby Chapter 1.Why is Nick telling the story? Why is nick "confused and disgusted" at the end of this chapter?
1. 2 answers
2. asked by Josh
3. 1,244 views
Journalizing in a General Fund:Modified Accrual Basis: Issued $20 million in long-term bonds. Acquired several tracts of land at
1. 0 answers
2. asked by Stacey
3. 1,222 views
A unit of area often used in measuring land areas is the hectare, defined as 104 m2. An open-pit coal mine consumes 99 hectares
1. 1 answer
2. asked by Ethan
3. 1,221 views
suppose the number of customer complaints per day on the morning shift (6am-12) at Murph's Coffee is distributed as follows:Comp
1. 0 answers
2. asked by Sam
3. 1,218 views
A hallway display of energy is constructed in which several people pull on a rope that lifts a block 1.15 m. The display
1. 1 answer
2. asked by maddie
3. 1,209 views
I have to say today is January 12,2011. It is winter. It is very cold. I am wearing a jacket, gloves, scarf and boots. In six
1. 6 answers
2. asked by Jackie
3. 1,189 views
100 m from a traffic light, a motorist sees it to red. If he needs to accelerate at -1 m.s ^2 to stop at the traffic light, what
1. 1 answer
2. asked by Joseph
3. 1,186 views
C (n) = 500 + 4n ,C is cost in dollars. of renting hall 4 prom given my equation: C (n) = 500 + 4 n n = # of students going to
1. 4 answers
2. asked by Anonymous
3. 1,183 views
Divide 48x^9-24x^3=40x8x
1. 4 answers
2. asked by sarah
3. 1,173 views
Given A=56degrees, C=61degrees, and b=10.5, solve triangle ABC. If no triangle exists, explain why. If two solutions exist,
1. 0 answers
2. asked by Tabby
3. 1,167 views
2y=- +1 3 dont know how 2 solve it 2 get the y-intercept dont know how 2 graph it please help and explain it please help
1. 0 answers
2. asked by angel
3. 1,152 views
there are 15 terms in the expansion of the binomial (a+b)^n. determine the value of n.please explain to me how to come about
1. 1 answer
2. asked by Anonymous
3. 1,146 views
1. A student is dragging a 5 kg box along the floor. He pulls on the rope with a 25 Newton force. The rope is 37 degrees above
1. 1 answer
2. asked by Energy
3. 1,145 views
Nownes (2000) surveyed representatives of interest groups who were registeredas lobbyists of three U.S. state legislatures. One
1. 1 answer
2. asked by sunshine
3. 1,143 views
I have two questions as I review for a test tommorow, any help is much appreciated!!Solve: 1) 4sin^2x=2cosx+1 2) cscx+cotx=1
1. 0 answers
2. asked by Michael
3. 1,127 views
Find the length of the intercepted arc, given a central angle of 3pi/5 and a radius of 4.5 cm. Round your answer to the nearest
1. 2 answers
2. asked by CJ
3. 1,124 views
An electron in a computer monitor enters midway between two parallel oppositely charged plates. The initial speed of the
1. 1 answer
2. asked by Isabell
3. 1,123 views
Concentrated sulfuric acid is 18.4 molar and has a density of 1.84 grams per milliliter. After dilution with water to 5.20 molar
1. 1 answer
2. asked by Kevin
3. 1,115 views
Two point charges, +3.30 µC and -5.50 µC, are separated by 1.29 m. What is the electric potential midway between them?
1. 0 answers
2. asked by Anonymous
3. 1,110 views
A heavy bank-vault door is opened by the application of a force of 3.0 x 102 N directed perpendicular to the plane of the door
1. 0 answers
2. asked by Faith
3. 1,108 views
2. In a given year the Murphy College admissions office accepts applications from students, who are then either accepted or
1. 1 answer
2. asked by Sam
3. 1,104 views
Nitrogen gas is the most abundant gas in the atmosphere. Why is it not useful to most organisms in its atmospheric state?
1. 0 answers
2. asked by pkd
3. 1,097 views
If you put four 9-inch square boards together to make a bigger square, what would be the area of the new larger board in square
1. 4 answers
2. asked by jason
3. 1,096 views
hi i am doing a science fair project.The project is testing memory. The problem is i am not sure how to give the memory test.
1. 1 answer
2. asked by sam
3. 1,096 views
Fido the dog is on the end of a 6 foot chain. he chain is attached to the corner of his 3 foot by 4 foot doghouse. How much are
1. 1 answer
2. asked by Hether
3. 1,093 views
thank you in advance!in a given year the college admissions office accepts applicants from students, who are then either
1. 1 answer
2. asked by ashley
3. 1,088 views
_____\/ 24 is this an irrational number?
1. 3 answers
2. asked by Tameeka
3. 1,083 views
Is the following sentence true or false? Acceleration refers to increasing speed decreasing speed or changing direction
1. 1 answer
2. asked by Payge
3. 1,081 views
What will be the new pressure when a volume of 21.0 L of a gas at 35.0 degrees celsius and 2.00 atm is compressed to 12.0 L and
1. 1 answer
2. asked by Tori
3. 1,071 views
Which issue did some people think would be a problem related to NAFTA?A. increases in immigrants from Mexico B. decreases in
1. 2 answers
2. asked by Kaleb
3. 1,067 views
A eukaryotic gene typically has all of the following features except:a) an operator b) control elements c) a promoter d) introns
1. 1 answer
2. asked by kyle
3. 1,058 views
Solve the inequalitiesa)6x3+5x2<8x+3
1. 0 answers
2. asked by Zukii
3. 1,049 views
y=2/3=1dont know how 2 solve it 2 get the y-intercept dont know how 2 graph it please help and explain it please
1. 3 answers
2. asked by angel
3. 1,041 views
Computers are classified by price, processing speed, capacity, and
1. 2 answers
2. asked by Anonymous
3. 1,016 views
Applying the strategy used by David Windorski at 3M to other organizations would suggest that these firms should
1. 1 answer
2. asked by mandeep
3. 1,013 views
who were the first Europeans to set foot on the Narragansett lands?
1. 1 answer
2. asked by Gracie
3. 1,008 views
could you please give me an example on a poem wich uses personification
1. 1 answer
2. asked by reuben
3. 1,002 views
A quantity of water is poured into a graduated cylinder, which then reads 145ml. what is the mass of the water in kilograms?
1. 0 answers
2. asked by Tori
3. 999 views
I have a french itinerary that I have to present to the whole class.I was wondering if anybody would help me correct it. My
1. 23 answers
2. asked by Vanessa
3. 994 views
A necklace was priced between $50 and $100 was on sale at 25% off. When the original price (a whole dollar amount) was
1. 3 answers
2. asked by hayle
3. 988 views
For each pair of commodities, state which you think is the more price-elastic and gave your reasons: perfume and salt;
1. 1 answer
2. asked by Michael M.
3. 986 views
The measures of all angles in a regular octagon are (4x + 12)°. Find the value of x. Show equations and all work that leads to
1. 1 answer
2. asked by Katheryn
3. 982 views
The main reason for middle class resentment of the French aristocracy was that:a. The aristocracy pain no taxes while the
1. 1 answer
2. asked by Nicole Anilom
3. 982 views
Overview: Enviromental problems, Endangered animals are becoming endangered one of the examples are the panamian godlen frog.
1. 1 answer
2. asked by Enviromental Problems
3. 980 views
Cristina uses a ruler to measure the length of her math textbook. She says that the book is 11 2/16 inches long. Is her
1. 4 answers
2. asked by Micaela
3. 980 views
Use a ruler to create a 6" x 8" rectangle. Cut rectangle on a diagonal. Use the two triangles to create four new shapes. List
1. 1 answer
2. asked by Anne
3. 979 views
Write an equation in slope-intercept form of the line that passes through the given points.1. (-3,4), (1,4) 2. (3, -2), (6,1)
1. 1 answer
2. asked by Melanie
3. 975 views
Complete the table below:Enter all letters containing appropriate descriptions for each of the equations below. a. precipitation
1. 11 answers
2. asked by Jerry
3. 967 views
state whether or not a constant will appear in the expansion of (x+y)^11what does this mean? please help
1. 1 answer
2. asked by Anonymous
3. 965 views
How many grams of oxygen gas are reacted if 75 g of hydrogen gas is consumed?
1. 1 answer
2. asked by Hannah
3. 963 views
9.6+w-2.5=-8 Find w.
1. 2 answers
2. asked by GirlSense
3. 958 views
"Buy a Match 6 lottery ticket every day until you win the lottery. (In a Match 6 lottery, a player chooses 6 different numbers
1. 1 answer
2. asked by Emily
3. 956 views
Could someone check my answers for these two questions, please?What is the equation of the line which includes points (2,6) and
1. 1 answer
2. asked by Jackie
3. 954 views
Is 2340 divisible by 90 how do you know?In Math please answer quick
1. 5 answers
2. asked by pearl sunshine
3. 953 views
how do you round off 2,603,484 to the nearest hundred thousand
1. 1 answer
2. asked by Anonymous
3. 946 views
Earl cuts lawns in his neighborhood. He can cut 1 lawn in 45 minutes, and he gets paid $9.00 per lawn. What is his rate of pay
1. 6 answers
2. asked by allen
3. 940 views
The greatest truth must be recognition that in every man, in every child is the potential for greatness. what is the meaning of
1. 7 answers
2. asked by Anonymous
3. 934 views
WHAT ELEMENT OR ATOM INTERACTS WITH CARBON
1. 1 answer
2. asked by Daniela
3. 923 views
The velocity of a diver just before hitting the water is -8.8 m/s, where the minus sign indicates that her motion is directly
1. 1 answer
2. asked by Keith
3. 923 views
A hallway display of energy is constructed in which several people pull on a rope that lifts a block 1.15 m. The display
1. 1 answer
2. asked by maddie
3. 919 views
If we changed our speed limit to metric, what would probably replace 10.mi/h? (please round to th enearest 1km/h.)
1. 1 answer
2. asked by Tori
3. 919 views
Find the area of a sector, given a central angle of 240° and a radius of 15 cm. Round your answer to the nearest tenth please.
1. 1 answer
2. asked by CJ
3. 911 views
Use the periodic table to write electron configurations for each of the following elements. (Type your answer using the format
1. 3 answers
2. asked by hannah
3. 909 views
Which of these events in the plot of Silas Marner best represents the complication in the novel? a.Silas tells Molly he has
1. 1 answer
2. asked by ADAM CORN
3. 906 views
I got E) for the first and couldn't figure out the other one. Can any one verify the first and help with the second??In which of
1. 0 answers
2. asked by jake
3. 902 views
If I take 5mL of a TRIS/HCL buffer with a pH of 7.4 and add 1mL of 1M HCL, how do I determine the new pH?
1. 3 answers
2. asked by Rose
3. 897 views
Need to identify five adverbs in this paragraph. I think I am correct but would like a second opinion. Thanks for your thoughts.
1. 2 answers
2. asked by Jack
3. 894 views
the frequency of yellow lights is 5.00 x 10^14 Hz. if it travels through space (where v= 3.00 x 10^8m/s) find the wavelength of
1. 3 answers
2. asked by mike
3. 891 views
how many pairs of congruent sides does a rhombus have?
1. 1 answer
2. asked by isha
3. 886 views
balance the following equation by half reaction method in an acidic medium:C3H8O + MnO4^- gives off C3H6O + Mn^2+
1. 1 answer
2. asked by Jessy
3. 885 views
David purchased a $100,000 participating whole life policy. The annual premium is $2,280. Projected dividends for the first 20
1. 1 answer
2. asked by KEVIN
3. 868 views
Solve △ABC, given a = 4.4, b = 9.1, and c = 5.7. Round your answer to the nearest tenth.
1. 1 answer
2. asked by CJ
3. 865 views
1. The young student (noun), who was new to (preposition) the school, wants (verb) to join the debating and (conjunction)
1. 1 answer
2. asked by jana
3. 861 views
A conveyer belt is driven by a large (diameter = 1.0 m) wheel. The wheel starts from rest and has an angular acceleration of
1. 1 answer
2. asked by teal
3. 858 views
translate this algebraeic expressionthe difference between 4 times a number and 12
1. 7 answers
2. asked by saleh
3. 857 views

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