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2012
October
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
71 answers
asked by
geny
30,555 views
5 orange gas particles
6 blue gas particles 3 green molecules of gas (two particles attached together) If the partial pressure of
2 answers
asked by
Anonymous
11,882 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
3 answers
asked by
Tish
6,432 views
How much heat is necessary to change 500g of ice at-10 celsius to water at 20 celsius?
5 answers
asked by
erica
5,895 views
Phthalates used as plasticizers in rubber and plastic products are believed to act as hormone mimics in human. The value of
6 answers
asked by
Amanda
5,268 views
Values of the rate constant for the decomposition of N2O5 at four different temperatures are as follows:
T(K) k(s^-1)
3 answers
asked by
Brunette
5,110 views
The complete combustion of 1.283g of cinnamaldeyde (C9H8O, one of the compounds in cinnamon) in a bomb calorimeter
3 answers
asked by
Amanda
4,361 views
Given the balanced equation for the decomposition of INO, and the rate of disappearance of INO, write the expressions for the
1 answer
asked by
Brunette
4,152 views
The 20-g centrifuge at NASA's Ames Research Center in Mountain View, California, is a horizontal, cylindrical tube 58 ft long
3 answers
asked by
Ania
3,741 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 answer
asked by
Sam
3,548 views
Nitric oxide (NO) can be removed from gas-fired power-plant emissions by reaction with methane as follows:
CH4(g) + 4NO(g) -->
2 answers
asked by
Brun
3,536 views
Balance the equation and write the reaction-quotient expression, Qc.
U(s) + F2 (g) <----> UF6 (g)
3 answers
asked by
Andrea
3,444 views
Two forces act on a 4.00-kg object in a manner that the object has an
acceleration 3.00 m/s2 in a direction 20.0° north of east.
1 answer
asked by
mike
3,406 views
The number N of bacteria in a refrigerated food is given by
N(T) = 10T2 − 20T + 700, 1 ¡Ü T ¡Ü 20where T is the temperature
1 answer
asked by
Kristi
3,362 views
Which of the following transition metal ions has a color? Cr3+ , hg2+, v2+ How can you predict that? I don't understand!!
4 answers
asked by
Catherine
3,310 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
2 answers
asked by
Jiim
3,083 views
f(theta)= 4sec(theta)+ 2tan(theta), 0 less than theta less than 2pi.
find all critical numbers
6 answers
asked by
Ashley
2,961 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
3 answers
asked by
Anonymous
2,879 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?
2 answers
asked by
tiffany
2,729 views
prescription
chlorpheniramin 100 ml Lidocaine 2 oz banana flavoring 1 tsp Take 7 ml BID refridgerate at 40 degree F What is the
4 answers
asked by
Pharmacy calculation
2,638 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 answer
asked by
Louise
2,609 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 answer
asked by
J
2,517 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
4 answers
asked by
Mae
2,291 views
An elevator weighing 10 000N is supported by a steel cable. Determine the tension in the cable when the elevator is accelerated
2 answers
asked by
mike
2,287 views
Calculate the entropy change when 2.42 g of
H2 reacts with O2 according to the reaction 2 H2(g) + O2(g) → 2 H2O(ℓ) at 298 K
2 answers
asked by
Austin
2,230 views
Each side of a equilateral triangle measures 12 cm. Find the height, h of the triangle.
1 answer
asked by
Louise
2,094 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
3 answers
asked by
Cameron
2,037 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 answer
asked by
Layn
1,933 views
If the pelican was traveling at the same speed
but was only 2.3 m above the water, how far would the fish travel horizontally
1 answer
asked by
Anonymous
1,871 views
for depolarization of 1 mole of KMnO4, the moles of H2O2 required is_________
2 answers
asked by
krishna
1,745 views
an ionic equation has 2H+(AQ)on the left side and H2(g) on the right. Are these species spectators? explain.
1 answer
asked by
natasha
1,716 views
The global-mean surface temperature of the earth is about 288 degrees Kelvin. Use the Stefan-Boltzman law to calculate the
1 answer
asked by
Samantha
1,690 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 answer
asked by
Confused
1,663 views
The reaction
Cl(g)+ O3(g) --> ClO(g)+ O2(g) is the first-order in both reactants. Determine the pseudo-first-order and
1 answer
asked by
Brun
1,656 views
Simplifying Algebraic Expression
Using the Distributive Property & Combining Like Terms Solve: 4 (g +7) = 64 4g + 4(4) = 64 4g +
3 answers
asked by
Laruen
1,653 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 answer
asked by
angela
1,518 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 answer
asked by
Anthony
1,482 views
Please be specific!
Briefly explain whether each if the following procedural errors would result in a high, low, or an unchanged
2 answers
asked by
claire
1,464 views
Posted by Brunette on Sunday, October 14, 2012 at 10:42pm.
Values of the rate constant for the decomposition of N2O5 at four
2 answers
asked by
Brun
1,428 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 answer
asked by
Anonymous
1,412 views
Please be specific!
Briefly explain whether each if the following procedural errors would result in a high, low, or an unchanged
2 answers
asked by
anne
1,408 views
7. A uniform flexible chain of length l, with weight per unit length lamba, passes over a small, frictionless, massless pulley.
0 answers
asked by
Ringo
1,407 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 answer
asked by
Diego
1,394 views
The alcohol in gasohol burns according to the reaction
C2H5OH(l) + 3O2(g) --> 2CO2(g) + 3H2O how many grams of water are produced
1 answer
asked by
Lana
1,363 views
Simplifying Algebraic Expression
Using the Distributive Property & Combining Like Terms Simplify: -3 (2+3x) + x - 5 -3(2) + -3
7 answers
asked by
Laruen
1,335 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 answer
asked by
Sam
1,314 views
2C6H6(l) + 15O2(g) --> 12CO2(g)+ 6H2O(g) how to calculate the ratio?
2 answers
asked by
ev
1,312 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 answer
asked by
Anonymous
1,304 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 answer
asked by
Anonymous
1,299 views
there are 28 students in a class 16 are girls what fraction are boys
2 answers
asked by
arron
1,273 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.
2 answers
asked by
jose
1,273 views
Mr Collins bowling league has 48 members. If the league splits into teams of 12 members each,how many equally sized teams will
6 answers
asked by
Shion
1,245 views
How many moles of KBr are present in 120mL of a 0.290M solution?
3 answers
asked by
Chris
1,231 views
Determine the absolute and percent relative uncertainty expressing the result in the correct number of significant digits
a.) 6.2
0 answers
asked by
Brittany
1,190 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
2 answers
asked by
RoCu
1,179 views
THE ANSWERS ARE NOT IN MY BOOK, MS SUE AND IF THEY WERE THEN I WOULDN'T ASK FOR HELP
Make an organizer to compare government
3 answers
asked by
Sarahh
1,174 views
Draw an array. Then write a fact family to describe your array
0 answers
asked by
josh
1,156 views
What is on batteries in the following sentence:
These clocks often run on batteries. A. Main verb B. Helping verb C. Both D.
3 answers
asked by
B
1,148 views
The subject of the sentence is sometimes a prepositional phrase.
True or False I say true as my answer
1 answer
asked by
Marie
1,147 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
4 answers
asked by
ellis
1,137 views
What does the backdoor of Pichot’s symbolize for Grant?
please write in paragraph form
3 answers
asked by
shan
1,115 views
i need an acrostic poem of the word eukaryotic
1 answer
asked by
karina
1,106 views
A/an ________ is a sentence that is created by joining two independent clauses with a comma.
A) comma splice B) fragment C)
1 answer
asked by
Marie
1,101 views
A simple __________ expresses one complete thought (one independent clause) with one subject and one predicate.
A) clause B)
1 answer
asked by
Marie
1,089 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
2 answers
asked by
Annmarie
1,075 views
Before determining the amount of sodium carbonate in a sample by titration with standard hydrochloric avid the anaylst decide to
0 answers
asked by
Brittany
1,058 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 answer
asked by
Ashley
1,054 views
How would you differentiate a monophyletic from a polyphyletic and paraphyletic? I know the definition but can someone provide
0 answers
asked by
M
1,036 views
Florence who weighs 120lb stands on a bathroom scale in an elevator. What will she see the scale read when the elevator is
0 answers
asked by
Joey
1,034 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 answer
asked by
Ben
1,017 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 answer
asked by
B
1,015 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
4 answers
asked by
shon
994 views
why is it important to add 1M HCl dropwise to the crucible?
1 answer
asked by
SA
977 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 answer
asked by
Ray
971 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.
3 answers
asked by
Anonymous
960 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 answer
asked by
Algebra
955 views
A cat chases a mouse across a 1.3 m high
table. The mouse steps out of the way, and the cat slides off the table and strikes the
1 answer
asked by
Anonymous
955 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 answer
asked by
Rebekah
947 views
2. In The Call of the Wild, the bond between Buck and Thornton is best explained by observing that
A. dog and man were like
3 answers
asked by
jake
943 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
0 answers
asked by
Alex
939 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)
3 answers
asked by
Marie
935 views
Balance
MgCO3 > CO2 + MgO
1 answer
asked by
Stacy
935 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 answer
asked by
Sam
934 views
4) An aqueous solution is 1.65 m glucose. What are the boiling point and freezing point of this solution?
1 answer
asked by
Mike
929 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 answer
asked by
Dakota
911 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
2 answers
asked by
day
908 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 answer
asked by
bennie
890 views
I really need help on this question so please help me.
Make an organizer to compare government under a republic (the
2 answers
asked by
Sarahh
883 views
The complete combustion of 1.283g of cinnamaldeyde (C9H8O, one of the compounds in cinnamon) in a bomb calorimeter
1 answer
asked by
Amanda
871 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 answer
asked by
christine
868 views
7y = 49w - 35 I am not sure how the working out goes
2 answers
asked by
Paula
868 views
Five apples cost $4.90.how much does each apple cost
2 answers
asked by
Shion
832 views
2) Toluene, C6H5CH3, is a liquid similar to benzene, C6H6. It is the starting material for other substances, including
1 answer
asked by
Mike
827 views
A skier slides down a slope to the left at a constant speed.
1 answer
asked by
nhan
812 views
Identify the world in bold type.
Do you know <b>someone</b> who can fix a lamp? (A) demonstrative pronoun (B) indefinite pronoun
2 answers
asked by
Anonymous
801 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 answer
asked by
Layn
798 views
Trish says that if 5/7 of her pencils are yellow, then 2/7 are not yellow. Is she correct. Explain
7 answers
asked by
arianna
796 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 peanuts
a) how
3 answers
asked by
EM
790 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 answer
asked by
Denika
778 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
2 answers
asked by
Lana
773 views
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