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Questions Asked on April 23, 2013

CH3CH2NH2(aq) + H2O(l) <-> CH3CH2NH3+(aq) + OH-(aq)Kb = 5.0e-4 Ethylamine, CH3CH2NH, a weak base reacts with water according to
1. 1 answer
2. asked by Jess
3. 9,935 views
Suppose you are researching the eating habits of people your age. What sampling method could you use to find the percent of
1. 9 answers
2. asked by Amy
3. 9,705 views
Based on information from Harper's Index, 37 out of a random sample of 100 adult Americans who did not attend college believe in
1. 1 answer
2. asked by Torri
3. 3,408 views
1. You're an outpatient coder in Dr. Smith's office. When you code procedures, you're probably using _______ codes.A. ICD-10-CM
1. 5 answers
2. asked by Evelyn
3. 3,347 views
Suppose that we repeat the experiment shown in the video, but we replace one of the cylinders with a cylinder that has twice the
1. 2 answers
2. asked by H
3. 3,228 views
4.What would the graph of y = x^2 + 1 look like? (1 point) a straight line a parabola a dotted line none of the above 5. What
1. 3 answers
2. asked by Delilah
3. 2,975 views
1. You're an outpatient coder in Dr. Smith's office. When you code procedures, you're probably using _______ codes.A. ICD-10-CM
1. 6 answers
2. asked by Evelyn
3. 2,888 views
A surveyor is standing 50 feet from the base of a building. The angle of elevation to the top of the building is 60 degrees.
1. 2 answers
2. asked by Deontre
3. 2,554 views
Galena(PbS) and cerussite(PbCO3)are two ores of lead. A mining company is considering which of these two ores to use for the
1. 2 answers
2. asked by Qindan
3. 2,382 views
An electrochemical cell based on the decomposition of H2O2 can be constructed based on the half-reactions in the table below.Hal
1. 1 answer
2. asked by Jess
3. 2,313 views
If you are riding on a Ferris wheel that is 60 feet tall and it takes 5 minutes to make a one revolution, what is your linear
1. 2 answers
2. asked by Deontre
3. 2,301 views
write five million two hundred eighty in standard notation
1. 4 answers
2. asked by Anonymous
3. 2,243 views
The interquartile range of a data set is the ? of the ? quartile and the ? quartile.and........ In a box-and-whisker plot, one
1. 5 answers
2. asked by Karen PLEASE HELP!
3. 2,230 views
An apple pie has a 12 inch diameter and the angle of one slice is 60 degrees. What is the area of that slice of pie? Use 3.14
1. 1 answer
2. asked by Deontre
3. 2,204 views
Given the altitude of lakes in feet: –12, –9, –14, –39, –49, –49, –18, –43, find the mean, median, mode, and
1. 3 answers
2. asked by Veronica
3. 2,113 views
Formula to find the area of a composite figure of a square and a triangle?
1. 1 answer
2. asked by Tamara
3. 2,004 views
A sport preference poll yielded the following data for men and women. Use a 5% significance level and test to determine if sport
1. 2 answers
2. asked by Terrance
3. 1,931 views
An essential part of scientific thinking is not only how to use statistics correctly, but also how to identify the misuse of
1. 4 answers
2. asked by J.J
3. 1,809 views
In the long Run Who play a dominant role. Options:- Income, Demand, Supply, Price.
1. 1 answer
2. asked by Rahul
3. 1,632 views
To determine whether a pancreas is functioning normally, a tracer dye is injected. A normally functioning pancrease secretes 4%
1. 2 answers
2. asked by Mercy
3. 1,595 views
On the windward side of the mountain, should the relative humidity of the parcel change as it rises from 2000 m to 4000 m?
1. 2 answers
2. asked by Anonymous
3. 1,585 views
Solve. 10/(3x) + 4/3 = (7 + x)/2xA) x = 1/3 B) x = 17/5x C) x = 1/5 D) x = 1/6 PLEASE HELP MRS. SUE!
1. 2 answers
2. asked by lynn
3. 1,523 views
What is the maximum value of the wavelength of light that will ionize the hydrogen atom? Express your answer in units of
1. 1 answer
2. asked by qwerty
3. 1,507 views
The Ploughman family farm owns and operates a 640-acre farm that has been in the family for several generations. The
1. 1 answer
2. asked by Meme
3. 1,504 views
the frst term of AP is 4 and the last term is 79.given that the sum of the AP is 996, find the number of terms and the commmon
1. 1 answer
2. asked by john
3. 1,502 views
2. Why is it important to know the mean and standard deviation for a data set when applying the empirical rule?3. If we are
1. 2 answers
2. asked by Cam
3. 1,443 views
Find the relative extrema of the function f(x) = 1/2 x - sinx on the interval (0, 2 pie)please show me how you got this!!
1. 1 answer
2. asked by Gabby
3. 1,427 views
what do i capitalized in this sentence.john grisham is the author of "the street lawyer".
1. 2 answers
2. asked by shay
3. 1,378 views
21. The Mariana trench is located in the Pacific Ocean at a depth of about 10300 m below the surface of the water. The density
1. 2 answers
2. asked by Alex
3. 1,369 views
a) The average height of sunflowers in a field is 64 inches with a standard deviation of 3.5 inches. Describe a normal curve for
1. 3 answers
2. asked by Kelly
3. 1,337 views
If a billiard table is x feet, how do I write an expression involving x that represents its length?
1. 2 answers
2. asked by Anonymous
3. 1,315 views
What actions can people take to help reduce the greenhouse effect?PLEASE ANSWER ASAP!!
1. 12 answers
2. asked by HS
3. 1,263 views
As part of a new fitness plan, Sabir runs on a treadmill at the same speed for 15 minutes every morning. The table shows the
1. 3 answers
2. asked by peter
3. 1,249 views
Ca(s) + 2H+(aq) → Ca2+(aq) + H2(g)An experiment is performed to determine the volume of hydrogen gas produced when calcium
1. 1 answer
2. asked by Jess
3. 1,193 views
4 distinct integers p, q, r and s are chosen from the set {1,2,3,…,16,17}. The minimum possible value of (p/q)+(r/s) can be
1. 0 answers
2. asked by OIan
3. 1,174 views
alpha emission by plutonium 242write a nuclear equation
1. 1 answer
2. asked by jinie
3. 1,170 views
Please check:1) Kids who like to get muddy should visit Michigan. [opinion] 2) It must be a sloppy mess [opinion] 3) That's a
1. 1 answer
2. asked by Celest
3. 1,157 views
In lab, Will burns a 0.6- peanut beneath 48 of water, which increases in temperature from 22 to 46. The amount of heat absorbed
1. 0 answers
2. asked by Ericca
3. 1,124 views
The drawing shows three energy levels of a laser that are involved in the lasing action. These levels are analogous to the
1. 0 answers
2. asked by PLease HELP
3. 1,083 views
A sample has a activity of 0.0065 Bq per gram of carbon. (a) Find the age of the sample, assuming that the activity per gram of
1. 1 answer
2. asked by PLEASE AND THANK YOU
3. 1,080 views
As part of a new fitness plan, Sabir runs on a treadmill at the same speed for 15 minutes every morning. The table shows the
1. 0 answers
2. asked by peter
3. 1,061 views
b) If you were the head of the Japanese Central Bank, how would you respond if your goal was to keep the interest rates at the
1. 0 answers
2. asked by Chuck
3. 1,057 views
The question is: What is the molarity of the copper (II) chloride solution your teacher provided? Show calculations. Obtain the
1. 0 answers
2. asked by Jillian
3. 1,053 views
What were the Wild West myths of the West?
1. 4 answers
2. asked by Anonymous
3. 1,047 views
Suppose f(x) is a polynomial of degree of 5 and with leading coefficient 2009. Supposdm further that f(1) = 1, f(2) = 3, f(3) =
1. 3 answers
2. asked by Watson
3. 995 views
Find the payment necessary to amortize a 4% loan of $2100 compounded quarterly with 13 quarterly payments. Find the payment
1. 1 answer
2. asked by Anonymous
3. 995 views
Determine the molar solubility of lead(II) iodide, PbI2, in 0.050 mol/L NaI.Ksp of PbI2 = 9.8 x 10^(-9)
1. 0 answers
2. asked by Zack
3. 976 views
In a bottle of unopened cola, the CO2 dissolved in the liquid is in equilibrium with the CO2 gas above the liquid. The dissolved
1. 1 answer
2. asked by Angeline
3. 976 views
At the instant the displacement of a 2.00 kg object relative to the origin is d = (2.00 m) ihat + (4.00 m) jhat - (3.00 m) khat,
1. 0 answers
2. asked by tae
3. 974 views
A rectangular livestock pen with THREE SIDES of fencing is to be built against the barn. The fencing is 1050ft long. Find the
1. 1 answer
2. asked by Tom
3. 966 views
Paul Websters motorboat can travel 15 mph in still water. Traveling with the current of a river, the boat can travel 20 miles in
1. 1 answer
2. asked by alms
3. 963 views
kate cut a pizza into fourths. karl cut a pizza of the same size into sixth. After they each ate some pizza, they had the same
1. 1 answer
2. asked by tyler
3. 961 views
A paragraph explaning how the swahili langauge came into being
1. 1 answer
2. asked by vukona ngobeni
3. 945 views
If there's 60 questions on a homework paper and you miss 10 what would your grade be? I forgot how to find out your grade.
1. 4 answers
2. asked by Anonymous
3. 931 views
If you are riding on a Ferris wheel that is 60 feet tall and it takes 5 minutes to make a one revolution, what is your linear
1. 2 answers
2. asked by Deontre
3. 916 views
Substance abuse of both legal and illegal drugs among the youth
1. 0 answers
2. asked by vukosi
3. 898 views
A light ray traveling through air strikes a smooth, flat slab of crown glass at an angle of 30 degrees to normal. Index of
1. 0 answers
2. asked by Brandon
3. 891 views
What is the difference between experimental and ex post facto research designs?
1. 1 answer
2. asked by Laura
3. 887 views
hw to address air pollution
1. 2 answers
2. asked by Surprise
3. 887 views
Let p and q be the roots of the polynomial mx^2 + x(2 - m) + 3. Let m1 and m2 be two values of m satisfying p/q + q/p = 2/3.
1. 1 answer
2. asked by Watson
3. 881 views
What role did miners play in the settlement of the West?
1. 2 answers
2. asked by Anonymous
3. 875 views
if the sides of a cube are measured with an error of 2% use differentials to estimate the relative error in the volumedf= 3x^2 *
1. 2 answers
2. asked by Liliana
3. 875 views
Some flowers are being planted in a circular flower bed with a 10-foot diameter. If each flower requires 5 square feet of space,
1. 5 answers
2. asked by Chase
3. 872 views
Dirk has two pet mice. Among other things, he feeds them cup of dry pellets every week. How much dry food will he need for a
1. 4 answers
2. asked by Anonymous
3. 850 views
In a photoelectric-effect experiment it is observed that no current flows unless the wavelength is less than 570nm .A)What is
1. 0 answers
2. asked by Allen
3. 847 views
Dr. Allen is trying to determine the best method by which to draw a comparison between the amount of time his students spend in
1. 1 answer
2. asked by J.J
3. 835 views
Input 16 output 2 input 24 output 4 input 40 output 6 input 52 output 8 find y if x is given. X is input
1. 0 answers
2. asked by Sylvia
3. 831 views
A Competitive Coup in the In-Flight Magazine. When the manager for market intelligence of AutoCorp, a major automotive
1. 1 answer
2. asked by Tameika
3. 826 views
b) If you were the head of the Japanese Central Bank, how would you respond if your goal was to keep the interest rates at the
1. 0 answers
2. asked by Chuck
3. 818 views
A particle moves through an xyz coordinate system while a force acts on it. When the particle has the position vector vector r =
1. 1 answer
2. asked by tae
3. 815 views
The manufacturer of a new compact car claims the miles per gallon (mpg) for the gasoline consumption is mound-shaped and
1. 1 answer
2. asked by Terrance
3. 811 views
Consider the region above the graph of y=x^2 and below the graph of y=x+2. What is the area of this region?
1. 0 answers
2. asked by lisa
3. 796 views
Mr.Brown is building a slide for his kids. The ladder is 3 meters tall ad the slide is 5 meters long. What is the distance
1. 1 answer
2. asked by Anna
3. 774 views
if calculating molecular weight of unknown by freezing point depression...All of the unknowns in the activity were nonpolar
1. 1 answer
2. asked by JENNA
3. 772 views
A circular mirror is surrounded by a square metal frame. The radius of the mirror is 5x. The side length of the metal frame is
1. 3 answers
2. asked by Casey
3. 745 views
"Find the payment necessary to amortize a 4% loan of $2100 compounded quarterly with 13 quarterly payments. Find the payment
1. 0 answers
2. asked by Anonymous
3. 743 views
What figure has an infinite number of lines of symmetry?
1. 1 answer
2. asked by tj
3. 741 views
In the dangerous “sport” of bungee-jumping, a daring student jumpsfrom a balloon with a specially designed elastic cord
1. 1 answer
2. asked by hook miner
3. 728 views
A gamma-ray photon produces an electron-positron pair, each with a kinetic energy of 275keV .What was the energy of the photon?
1. 1 answer
2. asked by Sheila
3. 727 views
Find the potential difference across each resistor in the figure below. (R1 = 5.24 , R2 = 3.85 , R3 = 3.30 , R4 = 2.00 )VR1 = V
1. 1 answer
2. asked by Anonymous
3. 705 views
Jaws of the WaterACT TWO At rise we see DAD, TINA, and MARK rushing in and out of the living room. Each enters carrying
1. 1 answer
2. asked by Sumii
3. 703 views
Suppose that 2000 is loaned at a rate of 9% , compounded monthly. Assuming that no payments are made, find the amount owed after
1. 0 answers
2. asked by Jasmine
3. 697 views
One of the ironies of World War I was that in a war 'to make the world safe for democracy,' the government attacked the civil
1. 1 answer
2. asked by McKenzie
3. 693 views
A uniform rod of mass M = 326 kg is in the shape of a semicircle of radius R = 6 m. Calculate the magnitude of the force on a
1. 3 answers
2. asked by tae
3. 689 views
Solve rational equation1. 2/b-2=b/b^2-3b+2 + b/2b-2
1. 1 answer
2. asked by Jan
3. 683 views
Which algebraic expression is equivalent to the expression below?11(8 + 3x) + 20
1. 2 answers
2. asked by Poe
3. 677 views
A rock is dropped from a bridge that is 45 m above the water. It falls directly into a model boat, moving with constant
1. 1 answer
2. asked by shy
3. 673 views
Suppose a student adds 25.00 mL of 1.025 M HCl to a 1.50 g antacid tablet. The student boils and then titrates the resulting
1. 1 answer
2. asked by Jo
3. 670 views
As part of a new fitness plan, Sabir runs on a treadmill at the same speed for 15 minutes every morning. The table shows the
1. 1 answer
2. asked by peter
3. 664 views
Cultures often develop along with science and ____________.
1. 1 answer
2. asked by Caroline
3. 662 views
a map has the scale of 1 inch =80 miles.what is the actual distance,in miles,between two towns that are 4 1/2 inches apart on
1. 2 answers
2. asked by rasheeda
3. 657 views
A sample has a activity of 0.0065 Bq per gram of carbon. (a) Find the age of the sample, assuming that the activity per gram of
1. 0 answers
2. asked by PLEASE AND THANK YOU
3. 655 views
Ways in which xenophobia impacts in our communities
1. 3 answers
2. asked by Judy
3. 654 views
a car moving at 4.5 m/s accelerates at 2.5 m/s2. How far will it be moving after 7 seconds.
1. 1 answer
2. asked by Aayushman
3. 644 views
In a natural population of outbreeding plants, the variance of the total number of seeds per plant is 16. From the natural
1. 0 answers
2. asked by John
3. 642 views
what was One major reason for religion’s growing appeal in the 1950s?
1. 2 answers
2. asked by Anonymous
3. 631 views
On a map John is standing at (11,11). His friend Lucy is standing at (1,11). John took 10 steps to the right. Is he standing
1. 3 answers
2. asked by Kris
3. 630 views
Which of the following behaviors is considered acceptable table manners?
1. 3 answers
2. asked by caver
3. 620 views
What is the difference between exploratory and formal studies?
1. 1 answer
2. asked by Tameika
3. 617 views
Show that 480 W of power is expended by a weightlifter when lifting a 60-kg barbell a vertical distance of 1.2 m in a time
1. 1 answer
2. asked by Sabrina
3. 614 views

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