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Questions Asked on January 30, 2013

disappearance of NO in ...- Help!!!?The following data were collected for the rate of disappearance of NO in the reaction 2
1. 4 answers
2. asked by Hannah
3. 11,596 views
The boiling point of an aqueous solution is 102.48 °C. What is the freezing point?I know that formula for freezing point is
1. 4 answers
2. asked by Anon
3. 11,425 views
The data below were collected for the following reaction:2NO2 (g) + F2 (g) ->2NO2F(g) A: Calculate the value of the rate
1. 3 answers
2. asked by Amy
3. 8,363 views
Give the pronoun that would replace the underlined nouns...In the first sentence it says Sheila's picture won first place in the
1. 15 answers
2. asked by helping my son w/ H.Wan tryin to impress ;-)
3. 7,336 views
if the atmosphere can support a column of mercury 760 mm high at sea level, what height of a hypothetical liquid whose density
1. 1 answer
2. asked by Jenna
3. 6,553 views
The electron-domain geometry and molecular geometry of iodine trichloride are __________ and __________, respectively.The answer
1. 2 answers
2. asked by Sonya
3. 6,179 views
How many subsets does the setL = {5, 6, 7, 8} have?
1. 2 answers
2. asked by Anonymous
3. 6,006 views
what is the quotient in simpliest form state the restrictions on the variablez^2-4/z-3 divided z+2/z^2+z-12 i got z^2+2x-8 but
1. 17 answers
2. asked by lee
3. 5,923 views
if 8 labourers can earn rs.9000 in 15 days.how many laboures can earn rs. 6300 in 7 days?
1. 8 answers
2. asked by tuhituhi
3. 5,911 views
The problem ask what is the mass of iron(iii) chloride contains 2.35 x 10^23 chloride ions.I understand the molar mass is 162.20
1. 3 answers
2. asked by Shadow
3. 5,620 views
Simplify the rational expression state any restrictions on the variablet^2+2t-24 / t^2-36 I got t-4 / t-6, but Im not sure of
1. 4 answers
2. asked by lee
3. 5,085 views
Denise's cell phone plan is $29.95 per month plus $.10 per minute for each minute over 300 minutes of call time. Denise's cell
1. 1 answer
2. asked by Jo
3. 4,866 views
At a certain instant, each edge of a cube is 5 inches long and the volume is increasing at the rate of 2 cubic inches per
1. 2 answers
2. asked by Fall
3. 4,829 views
If Julie needs 3 1/4 cups of oatmeal, how many 1/4 cups oatmeal will shw use?
1. 14 answers
2. asked by Ted
3. 4,485 views
When some stars use up their fuel, they undergo a catastrophic explosion called a supernova. This explosion blows much or all of
1. 3 answers
2. asked by Cat
3. 3,877 views
in a garden, 2/3 of the flowers are roses. of the roses in the garden, 5/12 are yellow and the rest are red. what fraction of
1. 9 answers
2. asked by shohanur
3. 3,629 views
What is the product in simpliest form state any restrictions on the variablex^2+7x+10 / x+3 times x^2-3x-18 / x^2+x+2 I got
1. 3 answers
2. asked by lee
3. 3,625 views
Calculate the kinetic energy that the earth has because of (a) its rotation about its own axis and (b) its motion around the
1. 2 answers
2. asked by Ashley
3. 3,574 views
As viewed from above, a swimming pool has the shape of the ellipse given by(x^2/3600)+(y^2/1600)= 1 The cross sections
1. 2 answers
2. asked by tyson
3. 3,436 views
2) An aircraft lands on a runway at a speed of 40 meters per second (ms^-1) and brakes to a halt in a distance of 860m.
1. 5 answers
2. asked by Adam
3. 3,427 views
How many moles of ion are in the following?A. 0.0200 g AgNO3 - Could someone give me the step to solve such problems? Thanks
1. 7 answers
2. asked by Shadow
3. 3,406 views
Sustem of equations. I have to solve the system of equations by graphing and solving.Ther are thirty-three students in the Chess
1. 1 answer
2. asked by Alexis
3. 3,370 views
A book weighs 4N. When held at REST in your hands, the Net Forceon the book is?0N 0.4N 39N Or none of the above?
1. 3 answers
2. asked by lola lopez
3. 3,249 views
What happens when smog lifts in los angeles, california?
1. 4 answers
2. asked by princess
3. 3,179 views
The electron-domain geometry and molecular geometry of iodine trichloride are __________ and __________, respectively.
1. 2 answers
2. asked by Sonya
3. 3,015 views
The sum of two numbers is 19, and their difference is 55. What are the two numbers?Solving systems using elimination
1. 1 answer
2. asked by Candy
3. 2,617 views
The systemCO2(g) + H2(g) *) H2O(g) + CO(g) is at equilibrium at some temperature. At equilibrium a 4.00 L vessel contains 1.00
1. 2 answers
2. asked by cheri
3. 2,461 views
1.) A 500 kg roller coaster is pulled to the top of a hill 45 m high and arrives at the top with a zero speed.a) how much work
1. 2 answers
2. asked by Isis
3. 2,453 views
Consider the reaction5Br(aq) + BrO3(aq) + 6H^+(aq)-> 3Br2(aq) + 3 H2O(l? The average rate of consumption of Br- is 1.16×10-4
1. 1 answer
2. asked by Amy
3. 2,328 views
The siren on an ambulance is emitting a sound whose frequency is 2421 Hz. The speed of sound is 343 m/s. (a) If the ambulance is
1. 3 answers
2. asked by carter montgomery
3. 2,141 views
Sarah works in an appliance store. She gets a commission in addition to her hourly pay. She earns a 2%commission for sales up to
1. 4 answers
2. asked by Alexis
3. 2,027 views
Classify these mixtures as colloids, suspensions, or true solutions.fog, milk of magnesia, mayonnaise, blood, table salt in
1. 1 answer
2. asked by Anon
3. 2,016 views
Assume the solubility of benzoic acid in ice-cold water is 1.70 g/L and the solubility of benzoic acid in hot water is 68.0 g/L.
1. 3 answers
2. asked by Anonymous
3. 1,993 views
The number in a power that is used as a factor is what?
1. 3 answers
2. asked by Trevor
3. 1,957 views
find the equation of the line tangent to the graph y=3e^x at x=1
1. 1 answer
2. asked by Anonymous
3. 1,925 views
A hiker starts at his camp and moves the following distances while exploring his surroundings: 70.0m north, 2.75 x 10^2m east,
1. 1 answer
2. asked by george
3. 1,891 views
are the triangles similar? if so,state the similarity and the postulate or theorem that justifies your answer.
1. 1 answer
2. asked by baby
3. 1,881 views
Use a double or half angle identity to find the exact value of the following expression: if cos x= 4/5 and 270° < x < 360°,
1. 4 answers
2. asked by mysterychicken
3. 1,861 views
A square sheet of cardboard with a side 16 inches is used to make an open box by cutting squares of equal size from the four
1. 1 answer
2. asked by Fall
3. 1,825 views
Howard likes birds.simile or not simile?
1. 6 answers
2. asked by james
3. 1,817 views
A 2.0 kg mass is moving on a frictionless airtrack. It collides into a motionless 1.5 kg mass. What is the combined speed of the
1. 1 answer
2. asked by Anonymous
3. 1,802 views
Find a value c in the interval [0,2] such that f(c)is equal to the average value.
1. 1 answer
2. asked by mike
3. 1,703 views
A block is on a horizontal slab which is moving horizontally with a simple harmonic motion of frequency two oscillations per
1. 3 answers
2. asked by Pawan
3. 1,621 views
Which sentence uses correct parallel construction?A. Anyone who is going to work here will have to be athletic, an intelligent
1. 3 answers
2. asked by Heather-Alondra
3. 1,573 views
Assume that the state of Kansas passes a law requiring all inline skates sold in Kansas to have disc brakes. Assume that there
1. 1 answer
2. asked by brandy
3. 1,570 views
A photo studio offers portraits in 8x10 and wallet-sized formats. One customer bought two 8x10 portraits and four wallet-sized
1. 3 answers
2. asked by cassidy
3. 1,558 views
1. Does the table represent an exponential function?Does the table represent an exponential function? X 1,2,3,4 Y -1,-8,-27,-64
1. 3 answers
2. asked by HELP!!!!!!!!!!!!!
3. 1,487 views
In a step-up transformer, which of the following statements is correct?Number of turns in primary is equal to number of turns in
1. 1 answer
2. asked by Anonymous
3. 1,467 views
A glass melting furnace is burning ethene in pure oxygen (not air). The furnace operates at an equivalence ratio of 0.9 and
1. 1 answer
2. asked by Brandon
3. 1,443 views
According to the Journal of Irreproducible Results, any obtuse angle is a right angle! Here is their argument. Given the obtuse
1. 2 answers
2. asked by kay
3. 1,409 views
The base of a certain solid is the triangle with vertices at (-14,7),(7,7) and the origin. Cross-sections perpendicular to the
1. 1 answer
2. asked by tyson
3. 1,398 views
Solutions of sulfuric acid and lead acetate react to form solid lead sulfate and a solution of acetic acid.5.80 of sulfuric acid
1. 2 answers
2. asked by Anonymous
3. 1,377 views
On a centimeter dot array, draw all possible rectangles with a perimeter of 16cm and sides whose lengths are whole centimeters.
1. 3 answers
2. asked by trina
3. 1,371 views
For 3 vectors, find the magnitude and direction of the vector D=A-B+3C.A of length 6.2 and pointing 52 degrees up from the
1. 1 answer
2. asked by george
3. 1,367 views
Find the horizontal asymptote of the graph ofy=-4x^6+6x+3 / 8x^6+9x+3 please explain i think there is no horizontal asymptote
1. 1 answer
2. asked by lee
3. 1,365 views
At –11.0 °C (a common temperature for household freezers), what is the maximum mass of aspartame (C14H18N2O5) you can add to
1. 1 answer
2. asked by Anon
3. 1,344 views
A horse is tied to a post by a rope, 8m long at one corner of a rectangular field. What area of the field can the horse graze?so
1. 3 answers
2. asked by HELP HELP HELP MNHS
3. 1,343 views
How could you combine the following two sentences into a complex sentence with a dependentadjectival clause? The boy wore a
1. 2 answers
2. asked by Alondra
3. 1,308 views
The numerical value of the concentrationequilibrium constant for the gaseous reaction 2 SO2 + O2 *) 2 SO3 is 0.5 at temperature
1. 1 answer
2. asked by cheri
3. 1,304 views
A 123 g cube of ice at 0◦C is dropped into 1.9 kg of water that was originally at 81◦C.What is the final temperature of the
1. 2 answers
2. asked by Tiffany
3. 1,296 views
8. “…With the existing colonies or dependencies of any European power we have not interfered and shall not interfere. But
1. 9 answers
2. asked by Jman
3. 1,287 views
in an election .there were only two candidates. the winner was polled 53% votes and won by 9600 votes. find the total no. of
1. 1 answer
2. asked by tuhituhi
3. 1,271 views
Hello,I have two questions Why is simple distillation useful in isolating pure isopentyl acetate? How do you predict the major
1. 1 answer
2. asked by jannett
3. 1,220 views
A body is executing s.h.m. of amplitude 1m .Its velocity while passing through the mean position is 10m/s.Find its frequency.
1. 3 answers
2. asked by Aanchal
3. 1,209 views
Eight times a number equals 24 more than two times the number. What is the number?
1. 6 answers
2. asked by Kaylee
3. 1,188 views
calculate the 0.4M molarity of ammoniaFrom data given, how to prepare 200ml of 0.4M ammonia solution 25%. From previous study, i
1. 2 answers
2. asked by Merlina_Lyn
3. 1,186 views
When 4.65 g of a nonelectrolyte solute is dissolved in 475 mL of water at 27 °C, the resulting solution exerts an osmotic
1. 3 answers
2. asked by Anon
3. 1,185 views
How much heat energy, in kilojoules, is required to convert 36.0g of ice at 18.0C to water at 25.0C
1. 2 answers
2. asked by Ashley
3. 1,185 views
A truck driver travels a distance of 100 miles due East. He then turns at an angle of 35 degrees S of E and travels a distance
1. 1 answer
2. asked by hana
3. 1,174 views
Gina cut a piece of ribbon into 3 equal pieces. Then she cut off 2 inches off one piece to make it 3 inches. How long was the
1. 1 answer
2. asked by Alyssa
3. 1,161 views
5. Find the Cartesian form of the equation, r3 = 3r cosØ.
1. 0 answers
2. asked by Dilip
3. 1,149 views
How much energy is required to change a 58 g ice cube from ice at −1◦C to steam at 101◦C? The specific heat of ice is 2090
1. 1 answer
2. asked by Tiffany
3. 1,147 views
How many grams of N2 are produced when 15.0 moles of NH3 react with excess NO
1. 1 answer
2. asked by Chris
3. 1,144 views
Which area of Mexico is almost entirely at sea land?Yuacatan Peninsula? What is The name given given to the mountain range that
1. 1 answer
2. asked by Jerald
3. 1,117 views
To the nearest degree, all of the following angles are solutions of the equation 2sin x + 4 cos 2x =3 except:(1) 40 degrees (2)
1. 1 answer
2. asked by Bob
3. 1,091 views
A 0.35 m2 coil with 50 turns rotates at 5 radians per sec2 in a magnetic field of 0.6 Tesla. What is the value of the rms
1. 2 answers
2. asked by unknown
3. 1,084 views
In a certain city the temperature (in degrees Fahrenheit) t hours after 9am was approximated by the function: T(t)= 70 +
1. 1 answer
2. asked by tyson
3. 1,082 views
2. Read the following paragraph from “A Tremendous Trade”:It might not seem fair, but in every profession, workers earn
1. 3 answers
2. asked by Ruby
3. 1,071 views
While sitting in class your body exerts a force of 600 N on your chair. how much work did you do?
1. 2 answers
2. asked by Rebeca
3. 1,066 views
susan has $450. she uses 30% of her money to but a dress and 20% of the remainder to buy a pair of shoes. how much money does
1. 2 answers
2. asked by Ted
3. 1,065 views
You have collected exactly 2800 aluminum cans for recycling, each with a mass of 13.6 g. How much energy is needed to melt them
1. 1 answer
2. asked by Tiffany
3. 1,060 views
I can't seem to find the answer anywhere. Please help.2. What is the shape of the water molecule? A.) linear B.) tetrahedral C.)
1. 0 answers
2. asked by Deborah
3. 1,027 views
5. How did western settlement help improve the nation’s economy?The number of people searching for gold increased, thus
1. 21 answers
2. asked by Jman
3. 1,025 views
1.)A ball (m 0.5 kg) starts from rest and has 300 J(joule) of work applied to it.a) what is the initial kinetic energy of the
1. 1 answer
2. asked by Isis
3. 1,023 views
in certain lottery, you must select 6 numbers (in any order)out of 37 correctly to win.a)How many ways can 6 numbers be chosen
1. 0 answers
2. asked by Anonymous
3. 1,016 views
find the equation of the line tangent to the graph y=3e^x at x=1
1. 0 answers
2. asked by Anonymous
3. 1,012 views
Calculate the kinetic energy that the earth has because of (a) its rotation about its own axis and (b) its motion around the
1. 0 answers
2. asked by Cat
3. 1,004 views
I need help. Not sure if my answers are correct.1. complete the analogy: infrared is to ultraviolet as; a. white is to red b.
1. 0 answers
2. asked by Tes
3. 998 views
Which value of x is the solution of the equation1/7 + 2x/3 = (15x-3)/(21) ? (Those are fractions) (1) 6 (2) 0 (3) 4/13 (4) 6/29
1. 2 answers
2. asked by Tibby
3. 984 views
If ______ amounts of hot and cold water are mixed, the final temperature will b the _______ of the two _______ (beginning)
1. 1 answer
2. asked by Abby
3. 981 views
two similar figures have lengths in the ratio of 7/4. Give the ratios of parimeters and areas?
1. 1 answer
2. asked by Anonymous
3. 979 views
A force of 3.0 N is applied to an 8.0 gram rifle bullet. What is the bullet’s acceleration?
1. 2 answers
2. asked by tash
3. 958 views
24/3 is equal to what fraction, with a 1 on the bottom.24/3=n/1
1. 1 answer
2. asked by cami
3. 934 views
The (x,y) is equidistant from (0,0) and (4,-2). Find its algebraic equation.
1. 1 answer
2. asked by Princess Mae Campana
3. 932 views
Ms. Quon discovered that 40 students liked soccer, 20 liked basketball, 10 liked football, and 5 liked swimming. How many times
1. 1 answer
2. asked by David
3. 928 views
Suppose the function p= -1/8 x + 100(0 =< x =<12) relates the selling price p of an item to the quantity x that is sold. Assume
1. 1 answer
2. asked by kikie
3. 916 views
Two similar rectangular gardens have a ratio of 2:3. If one side of the larger garden is 18 feet, how long is the corresponding
1. 1 answer
2. asked by Rick
3. 913 views
As a tennis ball is struck, it departs from the racket horizontally with a speed of 28.2 m/s. The ball hits the court at a
1. 1 answer
2. asked by Dee
3. 905 views
estimate the sum or difference with fractions2 3/5- 1 3/8
1. 4 answers
2. asked by mark w
3. 900 views
Three point charges, +6.0 µC, +1.7 µC, and−2.3 µC, lie along the x-axis at 0 cm, 1.7 cm, and 6.0 cm, respectively. What is
1. 0 answers
2. asked by Anonymous
3. 898 views

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