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Questions Asked on December 1, 2012

Dimethylamine burns in oxygen according to the following equation:4 C2H7N + 15 O2 → 8 CO2 + 14 H2O + 2 N2 (a) How many liters
1. 1 answer
2. asked by Sarah
3. 1,549 views
You have a single crystal of 100% pure gold. Identify which of the following defects you would expect to be present at room
1. 5 answers
2. asked by Paul
3. 596 views
Half-lifeN2O5 dissolved in CCl4 decomposes to give N2O4 and O2. The reaction is first order with a half-life of 1234 seconds.
1. 3 answers
2. asked by Paul
3. 891 views
Find a number x0 between 0 and �pi such that the tangent line to the curve y = sin x at x = x0is parallel to the line y = -x=2.
1. 1 answer
2. asked by asdf
3. 520 views
lim x->0 x^sin(x)
1. 2 answers
2. asked by Jim
3. 429 views
Urbium (Ur) is an upscale element found in big cities. Its oxide (UrO2) is not very stable and decomposes readily at
1. 1 answer
2. asked by lisa
3. 1,014 views
An object is placed 11 cm in front of a convex mirror of focal length 4 cm. Using the lens equation, find where the image will
1. 0 answers
2. asked by Chris
3. 400 views
An object is placed 4 cm in front of a concave lens of focal length 3 cm. Using the lens equation, find where the image will
1. 0 answers
2. asked by Steve
3. 490 views
A hirozontal force F works on a body of mass m1 and accelerates it by 5m/s^2. The same magnitude of horizontal force is exerted
1. 1 answer
2. asked by Dwi
3. 442 views
A box of 5 kg mass slides horizontally on the floor for along a distance 9m in 3s due to a constant force. The magnitude of the
1. 1 answer
2. asked by Dwi
3. 834 views
An object ob 2 kg mass is initially at rest on the ground. then, the object is pulled up by a 20N force in 4s before it is
1. 1 answer
2. asked by Dwi
3. 916 views
A 5kg stone is lifted by a rope. its acceleration is 3m/s^2. the tention of the rope is ...
1. 0 answers
2. asked by Dwi
3. 842 views
Find the magnitude of vectorsA=?+4j+4k B=?+2j+3k if angle between them 15 deegres a) By scalar product b) by vector product
1. 1 answer
2. asked by JORHO
3. 590 views
A gardener is putting a fence along the edge of his garden. If he has 20 m of fence , what is the largest area he can enclose?
1. 3 answers
2. asked by Praphul
3. 954 views
The cash price of a speed boat is RM60,000. Under an installment plan, a buyer may pay a 30% down payment followed by monthly
1. 1 answer
2. asked by Jassie
3. 888 views
Determine the area of the segment of a circle if the length of the chord is 15 inches & located 5 inches from the center of the
1. 3 answers
2. asked by Cathy
3. 4,157 views
1.What is the sum of the digits in the expanded form of the number 384cuberoot x5raised to the 20?What is 384cube root x5raised
1. 2 answers
2. asked by Aliza
3. 411 views
Two perpendicular chords divide a circle with a radius of 13 cm into 4 parts. If the perpendicular distances of both chords are
1. 3 answers
2. asked by Cathy
3. 3,979 views
Find the area of a portion of a semicircle of radius 15 m that is outside the area of an inscribed square if the base of the
1. 1 answer
2. asked by Cathy
3. 2,901 views
Appreciate if you could help me answering the following questions! thank you!!How would you prepare a 20% homogenate from a 2.0g
1. 0 answers
2. asked by Becky
3. 457 views
A circle has an area equal to 25 pi sq.cm. Its diameter AB coincides with one of the sides of triangle ACB in which the vertex C
1. 1 answer
2. asked by Cathy
3. 1,714 views
Find the area of a cyclic quadrilateral whose 2 sides measure 4 & 5 units, & whose diagonal coincides with a diameter of the
1. 1 answer
2. asked by Cathy
3. 2,601 views
Find the area of a segment of a circle whose diameter is 16 cm & the central angle measures 80 degrees.Please include solution.
1. 2 answers
2. asked by Cathy
3. 1,964 views
hello can u help me please?write a few words about Machiavelli, Locke and how they are relevant today? John Locke is another
1. 1 answer
2. asked by jenny
3. 586 views
how Hobbes, Machiavelli and Rousseau are relevant?little guidance please
1. 1 answer
2. asked by jenny
3. 431 views
is it a comprehensive answer?Machiavelli (in terms of political philosophy) Machiavelli was an Italian philosopher. A famous
1. 1 answer
2. asked by jenny
3. 606 views
An object is placed 11 cm in front of a convex mirror of focal length 4 cm. Using the lens equation, find where the image will
1. 0 answers
2. asked by Bob Any help is appreciated
3. 437 views
if two opposites vertices of a square are (0,1)and(4,3)find the other vertices
1. 1 answer
2. asked by shirsh
3. 381 views
How many grams of KHP (204.22 g/mol) were present in container if 49.36 mL of 0.2264M NaOH were needed to reach the end point of
1. 3 answers
2. asked by T
3. 1,103 views
1. find the equation of the line with the given properties. Express the equation in general form or slope-intercept form.perpend
1. 1 answer
2. asked by confused--two questions please help
3. 686 views
d/dx[lnsquare root of(x^3) cube root of (x+3) fifth root of (3x-2)]
1. 1 answer
2. asked by Aaron
3. 429 views
The cash price of a speed boat is RM60,000. Under an installment plan, a buyer may pay a 30% down payment followed by monthly
1. 2 answers
2. asked by Jassie
3. 502 views
1. the function f(x)=6x/3x-5 is one to one. find its inverse and check your answer.And on the second one can you tell me if I am
1. 1 answer
2. asked by Heather-two questions please help
3. 592 views
(1) After my interview with these four young people, I reflected on the quiet sense of "difference" I sensed with many of these
1. 7 answers
2. asked by Sandia
3. 587 views
Two soccer players start from rest, 41 m apart. They run directly toward each other, both players accelerating. The first
1. 1 answer
2. asked by Anonymous
3. 1,667 views
sample size needed with a mean of 100,standard deviation of 20 for the the population of normal adults an iq range to fall
1. 1 answer
2. asked by krissy
3. 468 views
a tennis ball is thrown vertically upward from the ground and the student gazing out of the window sees it moving upward pass
1. 1 answer
2. asked by john daniel
3. 1,363 views
What is sin(cos^-1 a) when 0 < cos^-1 a < 90
1. 4 answers
2. asked by Rachel
3. 365 views
1. solve the following logarithmic equation log_8(x+8)+log_8(x+7)=2what is the exact solution 2.se the rational theorem to find
1. 2 answers
2. asked by Ladybug-two questions- Reiny please help
3. 640 views
an automobile moving at constant velocity of 15m/sec passes a gasoline station. two seconds later another automobile leaves the
1. 1 answer
2. asked by john daniel
3. 1,262 views
You may have heard "Nothing is Free" explain why this is true
1. 1 answer
2. asked by Lance
3. 332 views
A candy machine distributor collects the coins from 100 machines. The standard deviation is $3.25. With probability 98%, what is
1. 2 answers
2. asked by Heather
3. 375 views
A random sample of 100 cans of peaches has an observed mean weight of 48.5 ounces and a standard deviation of 2.4 ounces.
1. 1 answer
2. asked by Heather
3. 565 views
A power company takes a random sample of its delinquent account files. For 400 accounts, the average delinquent amount was
1. 1 answer
2. asked by Heather
3. 416 views
In designing an experiment, a psychologist is willing to assume that the underlying distribution for the time to learn a list of
1. 1 answer
2. asked by Heather
3. 503 views
Match each statement below with the constitutional principle it illustrates.P-Popular soverignty R-Republicanism F-Federalism
1. 7 answers
2. asked by Jerald
3. 2,917 views
the quotient of 65 and y translated into math
1. 1 answer
2. asked by holly
3. 685 views
What is the energy required to accelerate a 1600 kg car from rest to 33 m/s?
1. 1 answer
2. asked by Mike
3. 1,155 views
A woman wishes to invest $12,000 in three of bonds: municipal bonds paying 7% interest per year, bank investment certificates
1. 1 answer
2. asked by Sky
3. 1,994 views
How many atoms of tin are necessary toreact completely with 7.42 x 10(24th)g of HF. Sn(s) + 2HF(g) = SnF2(S) + H2 (g)
1. 1 answer
2. asked by curt
3. 934 views
What do I see as the strengths and weaknesses of each of these three kinds of relativism. I posted my answer but apparently I am
1. 3 answers
2. asked by mandy
3. 535 views
revise the following sentences to eliminate faulty sentence structure, making them clear and grammatically need help with the
1. 5 answers
2. asked by miguel
3. 840 views
Volunteers working to raise funds for a new community library sold 1000 raffle tickets at $10 each. Tickets are to be randomly
1. 3 answers
2. asked by James
3. 731 views
The area of a table top can be represented by l× w where l is the length and w is the width.What is the area of the table top
1. 1 answer
2. asked by Kim
3. 345 views
a farmer wants to fence in three sides of a rectangular field with 1,000 feet of fencing. the other side of the rectangle will
1. 1 answer
2. asked by judy
3. 1,180 views
A cubic crate of side s = 2.5m is top-heavy: its CG is 19cm above its true center.Part A How steep an incline can the crate rest
1. 2 answers
2. asked by chris
3. 2,060 views
What is the molar mass of a compound if a gaseous sample has a density of 2.807 g/L at 18 °C and 728 torr?
1. 3 answers
2. asked by Sarah
3. 454 views
Goods and services that are not sold in markets, such as food produced and consumed at home and some household articles, are
1. 1 answer
2. asked by Kensi
3. 751 views
Could someone explain how to solve this math problem?I've graphed it, but I'm not sure how to solve the rest of the questions.
1. 3 answers
2. asked by alice
3. 571 views
The hot reservoir for a Carnot engine has a temperature of 926 K, while the cold reservoir has a temperature of 441 K. The heat
1. 1 answer
2. asked by angie
3. 963 views
The wattage of a commercial ice maker is 226 W and is the rate at which it does work. The ice maker operates just like a
1. 0 answers
2. asked by angie
3. 640 views
After 6.00 kg of water at 80.4 oC is mixed in a perfect thermos with 3.00 kg of ice at 0.0 oC, the mixture is allowed to reach
1. 0 answers
2. asked by angie
3. 1,107 views
for the given function f&g, find the following and state the domain of each resultf(x)=2x+1/9x-5; g(x)4x/9x-5 a.(f+g)(x)= what
1. 1 answer
2. asked by spazed out
3. 569 views
In the brain area, what function controls the sleep cycle?(a) pons (b) midbrain (c) mdulla oblongata (d) hypothalamus When I
1. 1 answer
2. asked by Carol
3. 494 views
Please show me step by step on solving this problem? log₅(2x-9)+ log₅(x+2)= 1Thank you I'm getting 2x²-5x-28=0 which is a
1. 1 answer
2. asked by sandy
3. 525 views
Calculating Cost of Equity. The Lo Tech Co. just issued a divident of $2.20 per share on its common stock. The company is
1. 1 answer
2. asked by Jina
3. 1,282 views
Calculate delta H for this reaction:N2 + 3H2 --> 2NH3 I am given the bond dissociation energy for N-N (163 kJ/mol), H-H (436
1. 2 answers
2. asked by Emily
3. 2,648 views
use the given zeros to find the remaining zeros of the functionh(x)=x^4-9x^3+12x^2+138x-1360 zero:3-5i enter the remaining zeros
1. 3 answers
2. asked by Heather
3. 1,813 views
How do I solve 7/2t+2=4+7t
1. 1 answer
2. asked by Stella
3. 361 views
how do I solve: -3/7(m+5)=3+2m
1. 1 answer
2. asked by Stella
3. 342 views
AN INVESTMENT OF $5000 IN THE STOCKMARKET WITH THE VALUE INCREASED BY 13% WILL EARN $650 FROM THE VALUE OF THE STOCK ($5000
1. 1 answer
2. asked by booker
3. 468 views
can you shorten it now:Living in India with rich and vibrant colors exotic, expressive, and aromatic; what could the doves
1. 1 answer
2. asked by S
3. 485 views
A flagpole casts a 32-ft shadow. A boy who is 6 feet tall is standing near the flagpole casting a 16-ft shadow. They form
1. 2 answers
2. asked by veronica
3. 3,305 views
How would i solve this x+7/14=1-3/7x
1. 1 answer
2. asked by Chely
3. 508 views
How would we solve for q: 6n-5q/11t=6
1. 1 answer
2. asked by Chely
3. 383 views
Is it possible if you can shorten the text:Perindnes Tree, its sweet fruit throughout the tree is remarkably pleasing; a
1. 1 answer
2. asked by S
3. 686 views
28.31 mL of O2(g) at 1.00 atm pressure dissolve in 1.00 L of water at 25.0 °C. If the pressure of O2(g) is raised to 3.86 atm
1. 5 answers
2. asked by Anonymous
3. 1,382 views
Which ionic compound is expected to form from combining the following pairs of elements? yttrium and oxygeni put YO but its
1. 1 answer
2. asked by Samantha
3. 669 views
pls help i need the answer not jus part of it, pls im really stuck out here.A buffer was prepared by dissolving 0.100 mol of the
1. 1 answer
2. asked by canas
3. 476 views
A sample of charcoal is found to have only 1/8th of Carbon-14. Half-life of Carbon-14 is 5730yrs, what is the age of the
1. 2 answers
2. asked by Anonymous
3. 626 views
Antacid tab is dissolved in water and a few drops of phenolphthalein is added yielding bright pink solution. 0.2025 M HCl added
1. 1 answer
2. asked by T
3. 543 views
How to work out: The half-life of Indium-116 is 14 seconds. How long will it take for 32g of this isotope to decay to 1.og?
1. 1 answer
2. asked by Anonymous
3. 404 views
A water-trough is 10m long and has a cross-section which is the shape of an isosceles trapezoidthat is 30cm wide at the bottom,
1. 2 answers
2. asked by asdf
3. 8,856 views
I am workng on my introduction part of my speech and here is my transition sentence:With my voice, I can make a difference in 5
1. 1 answer
2. asked by Emma
3. 988 views
pls help me.A buffer was prepared by dissolving 0.100 mol of the weak acid HA (Ka = 1.00 × 10−5) plus 0.050 mol of its
1. 1 answer
2. asked by canas
3. 998 views
Consider an artery with diameter 10 mm which runs horizontally. Somewhere along the artery there is a 3 cm long constriction
1. 0 answers
2. asked by Sam
3. 534 views
how can a salt be related to a particular acid and a particular base
1. 0 answers
2. asked by Dimitri
3. 842 views
Calculate the speed of a 10,000 kg airliner with a kinetic energy of 3.1 x 10^9 J.
1. 1 answer
2. asked by Drew
3. 472 views
When a 2.9 kg object is suspended in water, it "masses" 1.5 kg. What is the density of the object?
1. 1 answer
2. asked by kev
3. 548 views
MY DAUGHTERS HOMEWORK IS TO MAKE APPLE 10 PACKS.SOME ARE RED AND SOME ARE YELLOW PLS HELP
1. 1 answer
2. asked by jenette
3. 333 views
an investor invested a total of $2,900 in two mutual funds. One fund earned a 7% profit while the other earned a 2% profit. If
1. 1 answer
2. asked by sarah evans
3. 446 views
need help with this one : 2. To enroll in film school being my primary goal, so I am always saving my money and watching for
1. 1 answer
2. asked by miguel
3. 711 views
how can a salt be related to a particular acid and a particular base
1. 1 answer
2. asked by Dimitri
3. 905 views
3 less than or equal to 4x-3 less than 19?
1. 1 answer
2. asked by Joel
3. 299 views
4 1\6
1. 1 answer
2. asked by maryum
3. 227 views
To 90.0mL of a solution that contains 0.100M Cr(NO3)2 and 0.490M HNO3 is added 30.0mL of 0.170M K2Cr2O7. The dichromate and
1. 1 answer
2. asked by it
3. 488 views
Volunteers working to raise funds for a new community library sold 1000 raffle tickets at $10 each. Tickets are to be randomly
1. 3 answers
2. asked by James
3. 739 views
how do you find the pH of a titration solution at its halfway point to the equivalence, and how would it affect solutions
1. 1 answer
2. asked by Chris
3. 1,005 views
The graph shows the cost C in dollars to rent a car for one day as a function of the number m of miles driven.Which of the
1. 1 answer
2. asked by Jonathan
3. 991 views
A cylinder is fitted with a piston, beneath which is a spring, as in the drawing. The cylinder is open to the air at the top.
1. 0 answers
2. asked by gretch
3. 913 views

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