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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. 9,992 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. 9,742 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. 3,440 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. 3,389 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. 3,253 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. 3,008 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. 2,932 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. 2,590 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. 2,407 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. 2,357 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. 2,337 views
write five million two hundred eighty in standard notation
1. 4 answers
2. asked by Anonymous
3. 2,276 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. 2,261 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. 2,237 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. 2,135 views
Formula to find the area of a composite figure of a square and a triangle?
1. 1 answer
2. asked by Tamara
3. 2,034 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. 2,003 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. 1,842 views
In the long Run Who play a dominant role. Options:- Income, Demand, Supply, Price.
1. 1 answer
2. asked by Rahul
3. 1,657 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. 1,618 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. 1,612 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. 1,563 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. 1,550 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. 1,528 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. 1,528 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. 1,470 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. 1,459 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. 1,413 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. 1,413 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. 1,367 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. 1,339 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. 1,301 views
What actions can people take to help reduce the greenhouse effect?PLEASE ANSWER ASAP!!
1. 12 answers
2. asked by HS
3. 1,291 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. 1,228 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. 1,202 views
alpha emission by plutonium 242write a nuclear equation
1. 1 answer
2. asked by jinie
3. 1,191 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. 1,182 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. 1,160 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. 1,133 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. 1,128 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. 1,098 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. 1,079 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. 1,078 views
What were the Wild West myths of the West?
1. 4 answers
2. asked by Anonymous
3. 1,068 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. 1,019 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. 1,018 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. 1,018 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. 1,015 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. 1,010 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. 1,004 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. 995 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. 991 views
A paragraph explaning how the swahili langauge came into being
1. 1 answer
2. asked by vukona ngobeni
3. 975 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. 961 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. 956 views
Substance abuse of both legal and illegal drugs among the youth
1. 0 answers
2. asked by vukosi
3. 936 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. 930 views
What is the difference between experimental and ex post facto research designs?
1. 1 answer
2. asked by Laura
3. 909 views
hw to address air pollution
1. 2 answers
2. asked by Surprise
3. 909 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. 907 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. 904 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. 902 views
What role did miners play in the settlement of the West?
1. 2 answers
2. asked by Anonymous
3. 899 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. 882 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. 873 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. 858 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. 855 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. 855 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. 845 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. 841 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. 841 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. 824 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. 813 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. 801 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. 786 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. 779 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. 765 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. 765 views
What figure has an infinite number of lines of symmetry?
1. 1 answer
2. asked by tj
3. 762 views
Cultures often develop along with science and ____________.
1. 1 answer
2. asked by Caroline
3. 750 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. 739 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. 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. 724 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. 721 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. 717 views
Solve rational equation1. 2/b-2=b/b^2-3b+2 + b/2b-2
1. 1 answer
2. asked by Jan
3. 706 views
Which algebraic expression is equivalent to the expression below?11(8 + 3x) + 20
1. 2 answers
2. asked by Poe
3. 705 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. 704 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. 701 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. 697 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. 688 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. 687 views
Ways in which xenophobia impacts in our communities
1. 3 answers
2. asked by Judy
3. 674 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. 670 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. 668 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. 663 views
what was One major reason for religion’s growing appeal in the 1950s?
1. 2 answers
2. asked by Anonymous
3. 652 views
What is the sum of all numbers that occur an odd number of times in rows 0 through 11 of Pascal's triangle?Details and
1. 0 answers
2. asked by OIan
3. 650 views
An alcohol solution consists of 6 gallons of pure water and x gallons of alcohol, x > 0. Let f(x) be the ratio of the volume of
1. 0 answers
2. asked by emily
3. 648 views
Bibi wants to send invitations to some of her friends to come to her birthday party. She has contact information for 37 friends
1. 1 answer
2. asked by OIan
3. 648 views

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