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Questions Asked on October 15, 2012

Which set represents a Pythagorean triple?27, 38, 42 33, 44, 55 35, 38, 42 68, 72, 81 Which number completes the Pythagorean
1. 71 answers
2. asked by geny
3. 30,622 views
5 orange gas particles6 blue gas particles 3 green molecules of gas (two particles attached together) If the partial pressure of
1. 2 answers
2. asked by Anonymous
3. 11,921 views
What is the concentration of a solution made by diluting 95 mL of 6.0 M HCl to a final volume of 750 mL
1. 3 answers
2. asked by Tish
3. 6,468 views
How much heat is necessary to change 500g of ice at-10 celsius to water at 20 celsius?
1. 5 answers
2. asked by erica
3. 5,940 views
Phthalates used as plasticizers in rubber and plastic products are believed to act as hormone mimics in human. The value of
1. 6 answers
2. asked by Amanda
3. 5,303 views
Values of the rate constant for the decomposition of N2O5 at four different temperatures are as follows:T(K) k(s^-1)
1. 3 answers
2. asked by Brunette
3. 5,166 views
The complete combustion of 1.283g of cinnamaldeyde (C9H8O, one of the compounds in cinnamon) in a bomb calorimeter
1. 3 answers
2. asked by Amanda
3. 4,406 views
Given the balanced equation for the decomposition of INO, and the rate of disappearance of INO, write the expressions for the
1. 1 answer
2. asked by Brunette
3. 4,182 views
The 20-g centrifuge at NASA's Ames Research Center in Mountain View, California, is a horizontal, cylindrical tube 58 ft long
1. 3 answers
2. asked by Ania
3. 3,780 views
A surfer is catching a wave. Suppose she starts at the top of the wave with a speed of 1.3 m/s and moves down the wave until her
1. 1 answer
2. asked by Sam
3. 3,586 views
Nitric oxide (NO) can be removed from gas-fired power-plant emissions by reaction with methane as follows:CH4(g) + 4NO(g) -->
1. 2 answers
2. asked by Brun
3. 3,583 views
Balance the equation and write the reaction-quotient expression, Qc.U(s) + F2 (g) <----> UF6 (g)
1. 3 answers
2. asked by Andrea
3. 3,476 views
Two forces act on a 4.00-kg object in a manner that the object has anacceleration 3.00 m/s2 in a direction 20.0° north of east.
1. 1 answer
2. asked by mike
3. 3,431 views
The number N of bacteria in a refrigerated food is given byN(T) = 10T2 − 20T + 700, 1 ¡Ü T ¡Ü 20where T is the temperature
1. 1 answer
2. asked by Kristi
3. 3,402 views
Which of the following transition metal ions has a color? Cr3+ , hg2+, v2+ How can you predict that? I don't understand!!
1. 4 answers
2. asked by Catherine
3. 3,339 views
A mountain climber, in the process of crossing between two cliffs by a rope, pauses to rest. She weighs 575 N. As the drawing
1. 2 answers
2. asked by Jiim
3. 3,125 views
f(theta)= 4sec(theta)+ 2tan(theta), 0 less than theta less than 2pi.find all critical numbers
1. 6 answers
2. asked by Ashley
3. 2,996 views
A piano tuner strikes a tuning fork for note A above middle C and sets in motion vibrations that can be modeled by the equation
1. 3 answers
2. asked by Anonymous
3. 2,910 views
the frequency of middle C on a piano is 261.6hz. What is the wavelength of sound as it travels @room air and in water?
1. 2 answers
2. asked by tiffany
3. 2,759 views
prescriptionchlorpheniramin 100 ml Lidocaine 2 oz banana flavoring 1 tsp Take 7 ml BID refridgerate at 40 degree F What is the
1. 4 answers
2. asked by Pharmacy calculation
3. 2,673 views
Yuki just bought a big screen TV set. The screen has a diagonal measure of 40 in. If the screen is 32 in. wide, how high is it?
1. 1 answer
2. asked by Louise
3. 2,642 views
The slope of the tangent line to the curve y= 3x^3 at the point (-1,-3) is:?The equation of this tangent line can be written in
1. 1 answer
2. asked by J
3. 2,553 views
A plane is flying 12,000 feet horizontally from a tall, vertical cliff. The angle of elevation from the plane to the top of the
1. 4 answers
2. asked by Mae
3. 2,339 views
An elevator weighing 10 000N is supported by a steel cable. Determine the tension in the cable when the elevator is accelerated
1. 2 answers
2. asked by mike
3. 2,330 views
Calculate the entropy change when 2.42 g ofH2 reacts with O2 according to the reaction 2 H2(g) + O2(g) → 2 H2O(ℓ) at 298 K
1. 2 answers
2. asked by Austin
3. 2,285 views
Each side of a equilateral triangle measures 12 cm. Find the height, h of the triangle.
1. 1 answer
2. asked by Louise
3. 2,135 views
The campus of a college has plans to construct a rectangular parking lot on land bordered on one side by a highway. There are
1. 3 answers
2. asked by Cameron
3. 2,085 views
A sample of gas at 38 degrees Celsius occupies a volume of 2.97 L and exerts a pressure of 3.14 atm. The gas is heated to 118
1. 1 answer
2. asked by Layn
3. 1,984 views
If the pelican was traveling at the same speedbut was only 2.3 m above the water, how far would the ﬁsh travel horizontally
1. 1 answer
2. asked by Anonymous
3. 1,895 views
for depolarization of 1 mole of KMnO4, the moles of H2O2 required is_________
1. 2 answers
2. asked by krishna
3. 1,775 views
an ionic equation has 2H+(AQ)on the left side and H2(g) on the right. Are these species spectators? explain.
1. 1 answer
2. asked by natasha
3. 1,749 views
The global-mean surface temperature of the earth is about 288 degrees Kelvin. Use the Stefan-Boltzman law to calculate the
1. 1 answer
2. asked by Samantha
3. 1,716 views
The reactionCl(g)+ O3(g) --> ClO(g)+ O2(g) is the first-order in both reactants. Determine the pseudo-first-order and
1. 1 answer
2. asked by Brun
3. 1,710 views
A tennis ball is dropped from 1.80 m above the ground. It rebounds to a height of 1.00 m (assume down to be negative). (a) With
1. 1 answer
2. asked by Confused
3. 1,709 views
Simplifying Algebraic ExpressionUsing the Distributive Property & Combining Like Terms Solve: 4 (g +7) = 64 4g + 4(4) = 64 4g +
1. 3 answers
2. asked by Laruen
3. 1,685 views
random sample of n = 16 scores is selected from a normal distribution with a mean of μ = 50 and standard deviation of σ = 10.a
1. 1 answer
2. asked by angela
3. 1,561 views
Two blocks rest on slopes of unequal angles, connected by a rope passing over a pulley. If the blocks equal masses, will they
1. 1 answer
2. asked by Anthony
3. 1,514 views
Please be specific!Briefly explain whether each if the following procedural errors would result in a high, low, or an unchanged
1. 2 answers
2. asked by claire
3. 1,503 views
Posted by Brunette on Sunday, October 14, 2012 at 10:42pm.Values of the rate constant for the decomposition of N2O5 at four
1. 2 answers
2. asked by Brun
3. 1,461 views
if i define the function f(x)= x^3-x^2-3x-1 and h(x) = f(x)/g(x), then evaluate the limit (3h(x)+f(x)-2g(x), assuming you know
1. 1 answer
2. asked by Anonymous
3. 1,456 views
Please be specific!Briefly explain whether each if the following procedural errors would result in a high, low, or an unchanged
1. 2 answers
2. asked by anne
3. 1,454 views
7. A uniform flexible chain of length l, with weight per unit length lamba, passes over a small, frictionless, massless pulley.
1. 0 answers
2. asked by Ringo
3. 1,451 views
Consider two vectors F~1 with magnitude 44 N inclined at 163 ◦ and F~ 2 with magnitude 72 N inclined at 236 ◦ , measured
1. 1 answer
2. asked by Diego
3. 1,436 views
The alcohol in gasohol burns according to the reactionC2H5OH(l) + 3O2(g) --> 2CO2(g) + 3H2O how many grams of water are produced
1. 1 answer
2. asked by Lana
3. 1,412 views
Simplifying Algebraic ExpressionUsing the Distributive Property & Combining Like Terms Simplify: -3 (2+3x) + x - 5 -3(2) + -3
1. 7 answers
2. asked by Laruen
3. 1,383 views
2C6H6(l) + 15O2(g) --> 12CO2(g)+ 6H2O(g) how to calculate the ratio?
1. 2 answers
2. asked by ev
3. 1,359 views
A pebble is dropped into a pond, causing ripples in the form of concentric circles. The radius r of the outer ripple is
1. 1 answer
2. asked by Anonymous
3. 1,348 views
Find the accumulated amount A if the principal P = $3,000 is invested at the interest rate of r = 9% per year for t = 5 years,
1. 1 answer
2. asked by Anonymous
3. 1,347 views
A 1600-kg car experiences a combined force of air resistance and friction that has the same magnitude whether the car goes up or
1. 1 answer
2. asked by Sam
3. 1,347 views
The scatter plot shows the study times and test scores for a number of students. How long did the person who scored 81 study?A.
1. 2 answers
2. asked by jose
3. 1,325 views
there are 28 students in a class 16 are girls what fraction are boys
1. 2 answers
2. asked by arron
3. 1,301 views
Mr Collins bowling league has 48 members. If the league splits into teams of 12 members each,how many equally sized teams will
1. 6 answers
2. asked by Shion
3. 1,282 views
How many moles of KBr are present in 120mL of a 0.290M solution?
1. 3 answers
2. asked by Chris
3. 1,263 views
Determine the absolute and percent relative uncertainty expressing the result in the correct number of significant digitsa.) 6.2
1. 0 answers
2. asked by Brittany
3. 1,224 views
A farmhand pushes a 23kg bale of hay 4.0m across the floor of a barn.If she exerts a horizontal force of 91N on the hay, how
1. 2 answers
2. asked by RoCu
3. 1,214 views
THE ANSWERS ARE NOT IN MY BOOK, MS SUE AND IF THEY WERE THEN I WOULDN'T ASK FOR HELPMake an organizer to compare government
1. 3 answers
2. asked by Sarahh
3. 1,207 views
Draw an array. Then write a fact family to describe your array
1. 0 answers
2. asked by josh
3. 1,193 views
What is on batteries in the following sentence:These clocks often run on batteries. A. Main verb B. Helping verb C. Both D.
1. 3 answers
2. asked by B
3. 1,175 views
The subject of the sentence is sometimes a prepositional phrase.True or False I say true as my answer
1. 1 answer
2. asked by Marie
3. 1,170 views
tickets to a baseball game cost $25 each plus a $4.50 handling charge per ticket. if sharon has a coupon for $10 off and orders
1. 4 answers
2. asked by ellis
3. 1,159 views
What does the backdoor of Pichot’s symbolize for Grant?please write in paragraph form
1. 3 answers
2. asked by shan
3. 1,142 views
i need an acrostic poem of the word eukaryotic
1. 1 answer
2. asked by karina
3. 1,140 views
A simple __________ expresses one complete thought (one independent clause) with one subject and one predicate.A) clause B)
1. 1 answer
2. asked by Marie
3. 1,131 views
A/an ________ is a sentence that is created by joining two independent clauses with a comma.A) comma splice B) fragment C)
1. 1 answer
2. asked by Marie
3. 1,128 views
An observer of height h stands on an incline at a distance d from the base of a building of height T. the angle of elevation
1. 2 answers
2. asked by Annmarie
3. 1,112 views
Before determining the amount of sodium carbonate in a sample by titration with standard hydrochloric avid the anaylst decide to
1. 0 answers
2. asked by Brittany
3. 1,090 views
A balloon is filled to a volume of 2.0 102 mL at a temperature of 33.0°C. The balloon is then cooled at constant pressure to a
1. 1 answer
2. asked by Ashley
3. 1,087 views
How would you differentiate a monophyletic from a polyphyletic and paraphyletic? I know the definition but can someone provide
1. 0 answers
2. asked by M
3. 1,069 views
Florence who weighs 120lb stands on a bathroom scale in an elevator. What will she see the scale read when the elevator is
1. 0 answers
2. asked by Joey
3. 1,067 views
A pitcher throws a 0.140-kg baseball, and it approaches the bat at a speed of 50.0 m/s. The bat does Wnc = 65.0 J of work on the
1. 1 answer
2. asked by Ben
3. 1,044 views
What is can find in the following sentence:You can find properties of science in a basic clock. A. Main verb B. Helping verb C.
1. 1 answer
2. asked by B
3. 1,043 views
if an object covers a large enough area of the water's surface, it can float on the water because of the________of water
1. 4 answers
2. asked by shon
3. 1,022 views
Each equal side of an isosceles triangle is 3 1/2 inches longer than the base. The perimeter of the triangle is 2 feet. Find the
1. 1 answer
2. asked by Ray
3. 1,011 views
why is it important to add 1M HCl dropwise to the crucible?
1. 1 answer
2. asked by SA
3. 1,006 views
A cat chases a mouse across a 1.3 m hightable. The mouse steps out of the way, and the cat slides oﬀ the table and strikes the
1. 1 answer
2. asked by Anonymous
3. 999 views
he spreadsheet shows the length of 3 movies in each of 3 categories. Choose the formula that could be used in cell B2.A B C D E
1. 1 answer
2. asked by Algebra
3. 993 views
Find the verticle, horizontal, and oblique asymtopes if any.#1 (x^2 +6x+5)/2x^2 +7x+5 y= (1/2) and x= -5/2 and -1 #2 (8x^2
1. 1 answer
2. asked by Rebekah
3. 991 views
We will calculate the amount of acid to use in each titration. Assume that you are using 0.0512 M NaOH(aq). A good volume of
1. 0 answers
2. asked by Alex
3. 982 views
A cyclist is coasting at a steady speed of 17m/s but enters a muddy stretch where the effective coefficient of friction is 0.60.
1. 3 answers
2. asked by Anonymous
3. 981 views
2. In The Call of the Wild, the bond between Buck and Thornton is best explained by observing thatA. dog and man were like
1. 3 answers
2. asked by jake
3. 974 views
For a sentence to be complete, it must be a complete thought and have two parts. The second part it must have is a/n ________.A)
1. 3 answers
2. asked by Marie
3. 970 views
The density of the Earth is about 3.5g/cubic centimeters. If the Earth has a radius of 1.126 by 10 (to the seventh power)
1. 1 answer
2. asked by Sam
3. 964 views
4) An aqueous solution is 1.65 m glucose. What are the boiling point and freezing point of this solution?
1. 1 answer
2. asked by Mike
3. 962 views
BalanceMgCO3 > CO2 + MgO
1. 1 answer
2. asked by Stacy
3. 960 views
okay i want to check and see if my answers are corrects before i submit my stuff. can someone help ? i think i know the answers
1. 2 answers
2. asked by day
3. 953 views
Sam confidently placed th oars in their locks and started to pull, but we didn't move. Do I need a comma after but in th above
1. 1 answer
2. asked by Dakota
3. 929 views
a 15.0 kg mass and a 2.00 kg mass are connected bya string that passes over a frictionless pulley, the 15.0 kg mass lies on a
1. 1 answer
2. asked by bennie
3. 927 views
I really need help on this question so please help me.Make an organizer to compare government under a republic (the
1. 2 answers
2. asked by Sarahh
3. 914 views
The complete combustion of 1.283g of cinnamaldeyde (C9H8O, one of the compounds in cinnamon) in a bomb calorimeter
1. 1 answer
2. asked by Amanda
3. 904 views
A transformer has 3,000 loops in its primary coil and 1,500 loops in its secondary coil. What is the voltage in the secondary
1. 1 answer
2. asked by christine
3. 898 views
7y = 49w - 35 I am not sure how the working out goes
1. 2 answers
2. asked by Paula
3. 896 views
2) Toluene, C6H5CH3, is a liquid similar to benzene, C6H6. It is the starting material for other substances, including
1. 1 answer
2. asked by Mike
3. 875 views
Five apples cost $4.90.how much does each apple cost
1. 2 answers
2. asked by Shion
3. 869 views
Identify the world in bold type.Do you know <b>someone</b> who can fix a lamp? (A) demonstrative pronoun (B) indefinite pronoun
1. 2 answers
2. asked by Anonymous
3. 843 views
A skier slides down a slope to the left at a constant speed.
1. 1 answer
2. asked by nhan
3. 839 views
Trish says that if 5/7 of her pencils are yellow, then 2/7 are not yellow. Is she correct. Explain
1. 7 answers
2. asked by arianna
3. 836 views
What mass of oxygen gas exerts a pressure of 475 mm Hg in a volume of 1.25 L at a temperature of -22 degrees Celsius.
1. 1 answer
2. asked by Layn
3. 828 views
I make A snack mix by combining 3/4 of a pound of gummy bears with one pound of peanuts. I have 3 1/4 pounds of peanutsa) how
1. 3 answers
2. asked by EM
3. 824 views
I am having such a hard time approaching this problem. It would be great if you can help me.1.0 mole of CH4 react with 1.0 mole
1. 2 answers
2. asked by Lana
3. 810 views
A skier is gliding along at 5.0{\rm m/s} on horizontal, frictionless snow. He suddenly starts down a 15{\rm ^{\circ}} incline.
1. 1 answer
2. asked by Denika
3. 806 views

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