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2012
March

Questions Asked on March 14, 2012

Which of the following reactions have a positive ΔSrxn? Check all that apply.A(g) +B(g) -----> 3C(g) A(g)+ B(g)------> C(g) 2A
1. 4 answers
2. asked by Jerry
3. 18,564 views
Describe the image of D first reflected across line l then across line m.You have the letter D then a line up and down L then a
1. 8 answers
2. asked by kevin
3. 10,173 views
If 3 moles of a compound use 12 J of energy in a reaction, what is the Hreaction in kJ/mol?A. -4 kJ/mol B. -0.004 kJ/mol C.
1. 9 answers
2. asked by princess
3. 8,275 views
A platinum coil has a resistance of 3.146(ohms) at 40'C and 3.767(ohms) at 100'C. Find the resistance and the temperature
1. 7 answers
2. asked by Xyler
3. 7,443 views
A young girl is on a swing that completes 20.0 cycles in 25 seconds. What are itsfrequency and period?
1. 4 answers
2. asked by ana loren
3. 6,989 views
Explain It- Explain how knowing that 5 divided by 8 = 0.625 helps you write the decimal for 4 5/8.
1. 10 answers
2. asked by Gabby ( 5 grade)
3. 6,685 views
Find real numbers x and y such that 3x+2iy-ix+5y=7+5i
1. 7 answers
2. asked by moyo
3. 6,139 views
A grid shows the positions of a subway stop and your house. The subway stop is located at (-5,2) and your house is located at
1. 2 answers
2. asked by helen
3. 4,840 views
A roller coaster reaches the top of the steepest hill with a speed of 3.0 . It then descends the hill, which is at an average
1. 1 answer
2. asked by Kristina
3. 3,986 views
How many lines of symmetry does a regular decagon have?0 5 10 20 I believe the answer is 10. Thanks for the help :)
1. 3 answers
2. asked by Jo
3. 3,851 views
A rectangle has a length of 9inches and a height of 1.5 feet. What is the area of the rectangle in square inches?
1. 3 answers
2. asked by Kay
3. 3,174 views
Calculate the empirical formula of a molecule with the following percent compositions: 55.0% gallium (Ga) and 45.0% fluorine
1. 2 answers
2. asked by princess
3. 3,078 views
Find the length of d in simplest radical form of he diagonal of a cube with sides of s units.
1. 2 answers
2. asked by helen
3. 2,686 views
Calculate the solubility of LaF3 in grams per liter in the following solutions. (Ksp = 2. 10-19.)a) pure water Ans: .00182g/L b)
1. 1 answer
2. asked by HELP PLEASE
3. 2,563 views
a bag contains 7 red balls, 4 green balls and 5 yellow balls. what is the probability that 3 balls drawn at random are either
1. 1 answer
2. asked by anuj
3. 2,478 views
A small dog is trained to jump straight up a distance of 1.2 m. How much kinetic energy does the 7.2-kg dog need to jump this
1. 3 answers
2. asked by MiyaW
3. 2,425 views
An object is dropped from the observation deck of the Skylon Tower in Niagara Falls, Ontario. The distance, in metres, from the
1. 2 answers
2. asked by Melinda
3. 2,198 views
what type of reaction is Al+S8=Al2S3
1. 1 answer
2. asked by angel
3. 2,161 views
Suppose that a 200g mass (0.20kg) is oscillating at the end of a spring upon a horizontal surface that is essentially
1. 2 answers
2. asked by Thomas
3. 2,135 views
Gladys Swain slipped from a sidewalk curb and twisted her right ankle. Because of the severe pain she was suffering and the
1. 2 answers
2. asked by Trinity
3. 2,120 views
Is one flag a translation of the other, or a rotation image? Please explainlooks like the flag is the same above the line as it
1. 2 answers
2. asked by kevin
3. 1,893 views
The area of a square garden is 242m squared. How long is the diagonal?
1. 1 answer
2. asked by Anon
3. 1,828 views
Among humans, increased interest in food intake normally occurs _____.only after the production of glucose in the liver can no
1. 2 answers
2. asked by Jake
3. 1,810 views
a saturated solution of a salt X contains 0.28g of the salt in 100cm3 of solution at 25degree centigrate, what is the solubility
1. 2 answers
2. asked by emma gegeluv
3. 1,741 views
What is the CHANGE in pH when 0.005 moles of HCl is added to 0.100 L of a buffer solution that is 0.100 M in CH3CO2H and 0.100 M
1. 1 answer
2. asked by Morgan
3. 1,691 views
The measure of one angle is 30 degrees less than one-third the measure of its supplement. Find the two angles.
1. 2 answers
2. asked by lea
3. 1,676 views
A merry-go-round starts from rest and accelerates uniformly over 26.0 s to a final angular velocity of 5.50 rev/min.(a) Find the
1. 1 answer
2. asked by John
3. 1,661 views
assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation of 20. find the
1. 2 answers
2. asked by samantha
3. 1,644 views
The (nonconservative) force propelling a 1.50 103-kg car up a mountain road does 5.10 106 J of work on the car. The car starts
1. 1 answer
2. asked by Natasha
3. 1,593 views
The larger of two numbers in 8 times the smaller. The difference between them is 42. Find the numbers. Write the equations. Find
1. 3 answers
2. asked by lea
3. 1,592 views
A sample of 15 recent college graduates found that starting salaries for attorneys in New York City had a mean of $102,342 and a
1. 1 answer
2. asked by Mark
3. 1,556 views
Consider the following reaction at 298 K:C(graphite) +2Cl2 (g) -----> CCl4(l) Calculate the following quantities. Delta H: -139
1. 5 answers
2. asked by Kelsey
3. 1,512 views
chiang picked 12 apples.she gave 1/6 of the apples to each of her 5 frinds.how many apples did each friend get? p.s.i am in 3rd
1. 1 answer
2. asked by chiosna
3. 1,474 views
The main disadvantage of relying on a computer spell checker is that itA.takes too long to make the corrections B. can't
1. 3 answers
2. asked by Brenna
3. 1,462 views
Use the expressions for left and right sums and the table below.right-hand sum = summation (n above and i =1 on the bottom)
1. 2 answers
2. asked by Zoe
3. 1,447 views
What is the simplified form of y^2 - y - 12 / y^2 + 8y + 15
1. 1 answer
2. asked by Michelle
3. 1,447 views
You deposit $3350 into a savings account that earns 5% interest compounded annually. Find the balance of the account after 2
1. 2 answers
2. asked by Sarah
3. 1,441 views
What results would you expect if KOH or NaOH were omitted in the Benedict's test? Why?
1. 1 answer
2. asked by Anonymous
3. 1,432 views
Which of the following accurately describes a surplus?Consumer demand for a certain car is below the number of cars that are
1. 3 answers
2. asked by Jen
3. 1,424 views
possessive pronounsdirection circle the correct possessive pronoun for ecah sentence. 1-Gems are some of (our,ours)most valuable
1. 7 answers
2. asked by dw
3. 1,413 views
Suppose that an object on Earth has a known mass of 80 kgs. Will the mass of that object be less than, more than, or the same as
1. 2 answers
2. asked by thuy
3. 1,411 views
the quotient of two numbers is 8.the sum of the same numbers is 72. what are thr two numbers?
1. 1 answer
2. asked by Ron
3. 1,396 views
The drawing shows a cross section of a plano-concave lens resting on a flat glass plate. (A plano-concave lens has one surface
1. 1 answer
2. asked by DCM
3. 1,390 views
find the image vertices for a dilation with center (0,0) and a scale factor of 4
1. 0 answers
2. asked by kevin
3. 1,369 views
Hi, I have a calculus question that I just cannot figure out, it is about volume of cross sections.I would very much appreciate
1. 0 answers
2. asked by Michael
3. 1,314 views
what is the lateral area of a regular pyramid with a base 6 and slant height 8?????????????
1. 1 answer
2. asked by rob
3. 1,304 views
A study of the system, H2(g) + I2(g) == 2 HI(g), was carriedout. Kc = 54.9 at 699.0 K (Kelvin) for this reaction. A system was
1. 1 answer
2. asked by jayla
3. 1,293 views
Compute the linear momentum and angular momentum of a Frisbee of mass 0.175 kg if it has a linear speed of 1.65 m/s and an
1. 1 answer
2. asked by John
3. 1,256 views
The light shining on a diffraction grating has a wavelength of 470 nm (in vacuum). The grating produces a second-order bright
1. 0 answers
2. asked by DCM
3. 1,236 views
Two similar solids have a scale factor of 3:5. If the height of solid I is 3 cm, find the height of solid II.If the surface area
1. 0 answers
2. asked by Tim
3. 1,190 views
In the design of a supermarket, there are to be several ramps connecting different parts of the store. Customers will have to
1. 2 answers
2. asked by Kristina
3. 1,185 views
What monthly payment is required to amortize a loan of $35,000 over 10 yr if interest at the rate of 15%/year is charged on the
1. 1 answer
2. asked by Anonymous
3. 1,165 views
a ladder which is 15ft leans against a wall. suppose that when the bottom of the ladder is x feet away from the wall,the bottom
1. 3 answers
2. asked by just wondering
3. 1,162 views
Robert is making a scale drawing of a painting that is 48in. wide by 120in. high. His paper is 12in. wide and 24in. tall. He
1. 3 answers
2. asked by Alex
3. 1,157 views
Throughout most of U.S.history in most locations, what race has been the majority? What is the common background of most members
1. 1 answer
2. asked by deedee
3. 1,142 views
Suppose that a 200g mass (0.20kg) is oscillating at the end of a spring upon a horizontal surface that is essentially
1. 1 answer
2. asked by Kayla
3. 1,123 views
A bucket can hold 6 liters of water.If it is 3/4 full,how many liters of water does it contain?
1. 2 answers
2. asked by lidia
3. 1,120 views
in the poem the sloth by theodore roethke is there any personification, alliteration, imagery or onomatopoeia
1. 1 answer
2. asked by jo
3. 1,097 views
Identify the capitalized part of speech in the following sentence:Sterling has volunteered FOR an organization that helps the
1. 1 answer
2. asked by treena
3. 1,095 views
group of filipinos in the medical field who exemplified his or her faith by creating a difference through an act of social
1. 5 answers
2. asked by anon
3. 1,087 views
Name and explain three checks and balances that are in place in south africa that control and regulate media
1. 2 answers
2. asked by yamo king
3. 1,086 views
A pitcher throws a 0.140-kg baseball, and it approaches the bat at a speed of 45.0 m/s. The bat does Wnc = 65.0 J of work on the
1. 1 answer
2. asked by Natasha
3. 1,074 views
can someone please tell me the equation for compshift?double Angle = 45.0; double AngleRadians; double ComptonShift ;
1. 1 answer
2. asked by Nick
3. 1,069 views
A point charge q1=-8 is located at the orgin of a rectangular coordinate system. A second charge q2=6nC is located at a distance
1. 1 answer
2. asked by Nikki
3. 1,042 views
an ammonia molecule, NH3 travels at about 658 m/s at room temperature. How fast would a molecule of hydrogen sulfide, H2S travel
1. 1 answer
2. asked by nick
3. 1,035 views
As a bowling ball of radius 15.9 cm rolls down the alley to the right, a frictional force of magnitude 1.46 N, directed to the
1. 0 answers
2. asked by John
3. 1,021 views
Hi,Ive looked online and in my textbook but I cant a good explanation. Basically, I need a detailed explanation of why quartile
1. 1 answer
2. asked by Remy
3. 1,009 views
3. How do writer create loneliness of narrator? Is the sensation of being alone, being solitary, part of the notio n of
1. 4 answers
2. asked by Mohammad
3. 1,006 views
a cyclist pedals at a constant velocity of 15m.s-1 on a level road. the power delivered by the cyclist is 240W. what is the
1. 1 answer
2. asked by michael clayton
3. 1,004 views
Can you have a look at these sentences, please?1. I’m emailing you the list of students, who are looking forward to starting
1. 1 answer
2. asked by Matthew
3. 993 views
What is the prime number in this fraction 5/6? Please answer that then have another response to that one. What is the square
1. 2 answers
2. asked by consquela
3. 980 views
factorise x^3-4x62-11x+2
1. 2 answers
2. asked by mateyo
3. 970 views
a blue box has 5 times as many marbles as a red box. the blue box has 24 more marbles than the red box. how many marbles are in
1. 1 answer
2. asked by Gabbie
3. 970 views
1) How can I shorten the word sixteen-year-old pupils?sixteen-year-olds? I need to include groups of students belonging to
1. 1 answer
2. asked by Matthew
3. 958 views
A boat is rowed down a river a distance of 16 miles in 2 hours and it is rowed upstream the same distance in 8 hours. Let r
1. 1 answer
2. asked by lea
3. 954 views
CAN ANYONE HELP ME ANSWER THIS QUESTION!? I'VE READ THE QUESTION OVER AND OVER BUT IT IS CONFUSING ME....At first the subject
1. 4 answers
2. asked by love4965
3. 947 views
Draw the titration curve of H2C6H6O6 (ascorbic acid, diprotic) titrated with NaOH.
1. 1 answer
2. asked by Bailey
3. 942 views
What is the number of bonding electrons and the number of nonbonding electrons in the structure of BeF2?
1. 2 answers
2. asked by Liz
3. 937 views
Hi, I have a calculus question that I just cannot figure out, it is about volume of cross sections.I would very much appreciate
1. 0 answers
2. asked by Michael
3. 934 views
What happens when two speakers of a stereo are brought face to face? Why
1. 0 answers
2. asked by Anonymous
3. 920 views
Della purchased a warehouse on February 25, 2011, for $350,000. $45,000 of the price was for the land. What is her cost recovery
1. 1 answer
2. asked by Andy
3. 918 views
HOW MUCH 1 MOLE HCL IS REQUIRED TO MAKE 250ML OF 0.1 MOLE HCL?
1. 1 answer
2. asked by NANCY
3. 912 views
a hemispherical bowl of radius r cm is filled with water.a sphere of radius r/2 cm is immersed in it.show that the volume of
1. 1 answer
2. asked by help me out it's urgent
3. 911 views
explain how the hiv virus destroys the immune system.
1. 2 answers
2. asked by andy
3. 907 views
Two standard numbers cubes are thrown. Given that one of the cubes shows a two, what is the probability that the sum of the
1. 1 answer
2. asked by ally
3. 905 views
heather's puppy has a mass of 1000 grams. what is the mass of heathers puppy in kilograms? 1000 kilograms100 kilograms 10
1. 1 answer
2. asked by yes
3. 902 views
Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be
1. 0 answers
2. asked by Anonymous
3. 897 views
§179 expense is available for all of the following business assets except:A. a bulldozer. B. a phone system. C. an apartment
1. 1 answer
2. asked by Andy
3. 891 views
A blimp is traveling due North at 80km/hr with respect to the air, while the wind is blowing from northeast at 25km/hr with
1. 1 answer
2. asked by Annie
3. 878 views
The average airspeed of a single-engine aircraft is 150 milesper hour. If the aircraft flew the same distance in two hours with
1. 2 answers
2. asked by lea
3. 857 views
The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 175 and a variance of 4.
1. 1 answer
2. asked by ruth
3. 853 views
gas chromatographic analysis of a mixture of organic compounds gave the following peak areas: 2-hexene= 2.5 2-bromogexane=4.0
1. 0 answers
2. asked by jessica
3. 850 views
The length of a rectangle is 4 times the width. The perimeter is 50cm. Find the length and width. Write the equations. What is
1. 1 answer
2. asked by lea
3. 849 views
Imagine you are one of the competitors in the Ten Tors Challenge. Describe your clothes and the things you will take with you on
1. 1 answer
2. asked by Matthew
3. 836 views
Much of accounting is directed at servicing the information needs of those users that are external toan organization. Identify
1. 0 answers
2. asked by Mary
3. 825 views
use either substitution or elimination4/x-3/y=0 4y=3x
1. 1 answer
2. asked by Jennifer
3. 821 views
52 cards, where you randomly pull cards from the deck and record what they are, you find that over 1000 random draws, you pull
1. 2 answers
2. asked by Anonymous
3. 818 views
A weather vane initially at rest has a moment of inertia of 0.115 kg · m2 about its axis of rotation. A 44.5 g piece of clay is
1. 1 answer
2. asked by cindy
3. 807 views
museum collected 125 dinosaurs. george collected 3/5 of this amount. how many dinosaurs has george collected
1. 2 answers
2. asked by Anonymous
3. 805 views
I have a few questions, for my test coming up.Which of the following is most necessary for specialization among producers to
1. 0 answers
2. asked by Rick
3. 791 views

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