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Questions Asked on June 21, 2010

what volume (in ML) of a 0.150 M HNO3 solution is required to completely react wtih 35.7 mL of a 0.108 M Na2CO3 solution
1. 4 answers
2. asked by samantha
3. 22,998 views
what volume (in L) of 0.150 M KCl solution is required to completely react with 0.150 L of a 0.175 M Pb(NO3)2 solution according
1. 5 answers
2. asked by samantha
3. 6,143 views
find the common ratio in the sequence 8, 12, 18, 27,..... then write the next three terms of the sequence
1. 11 answers
2. asked by lavena
3. 4,468 views
Calcium nitrate will react with ammonium chloride at slightly elevated temperatures, as represented in the equationCa(NO3)2(s) +
1. 2 answers
2. asked by JAS
3. 3,908 views
The normal boiling point of acetone is 56.2 (degrees)C and the molar heat of vaporization is 32.0 kj/mol. At what temperature
1. 2 answers
2. asked by Jim
3. 3,369 views
which probably has the lowest boiling point at 1.0 atm pressure.A) C6H14 B) C3H8 C) C4H10 D) C5H12 E) C2H6
1. 3 answers
2. asked by Jim
3. 3,106 views
The ultimate source of the energy in food ___________________A)is ATP B)is the sun C)is producers D)is plants E)is consumers
1. 1 answer
2. asked by Joe
3. 3,047 views
A standard deck of cards is made up of four suits with 13 cards in each suit (total of 52 cards). If we randomly sample five
1. 4 answers
2. asked by Jaime
3. 2,609 views
The enthalpy of vaporization at 298 K for diethylether (C4H10C) is 26.0 kj/mol. How much heat would be required to vaporize 1.00
1. 1 answer
2. asked by Jim
3. 2,474 views
"The illumination of an object by a light source is directly proportional to the strength of the source and inversely
1. 3 answers
2. asked by Stuck
3. 2,354 views
what is the standard enthalpy formation of liquid diethylamine (CH3CH2)2 NH?N2O5(g) + 8CH4(g) ==> 2(CH3CH2)2NH(l) +5H2O(l),
1. 5 answers
2. asked by Ellie
3. 2,123 views
the molar mass of an unknown gas was measured by an effusion experiment. it took 63s for te gas to effuse. where as nitrogen gas
1. 2 answers
2. asked by Ellie
3. 2,068 views
Describe how to find the multiplier for an exponential growth rate of 15%.
1. 1 answer
2. asked by melany
3. 1,943 views
Ethyl alcohol (CH3CH2OH) has a heat of fusion of 5.01 kj/mol. How much heat in kj is required to melt 137g of ethyl alcohol.
1. 1 answer
2. asked by Kim
3. 1,873 views
Equilibrium is established between Br2(l) and Br2(g) at 25.0 (degrees)C. A 250.0 ml sample of the vapor weighs 0.486g. What is
1. 2 answers
2. asked by Jim
3. 1,559 views
what is the solubility of Ag in water at 0 degrees celcius? what is it for calcium carbonate? and yellow brass?
1. 1 answer
2. asked by Stephanie
3. 1,486 views
List and explain the three tools used by the Fed to manipulate the supply of money. In each case show how the money supply can
1. 1 answer
2. asked by mercedes
3. 1,362 views
Does anyone know of a website where I could ask computer problems for free?I just tried asking on this one website, but it
1. 3 answers
2. asked by Amy~
3. 1,336 views
i need help working these correctly!1. Are the inequalities 3x-4<10-4x and 2(x-5) >3(2x-6) equivalent? Why or why not? Show your
1. 1 answer
2. asked by Sam R.
3. 1,213 views
the measure of the angles of triangle RST are the ratio 2:3:5. find the measure of each angle, and classify the triangle as
1. 9 answers
2. asked by lavena
3. 1,142 views
A compound containing 3 atoms of carbon and 8 atoms of hydrogen is combined in a reaction with oxygen molecules. The two end
1. 1 answer
2. asked by charlie
3. 1,129 views
1. Who weighs more, Mr. Pitt or Emily?.-Mr. Pitt weighs more than Emily. 2. Who is heavier, Emily or Bob? - Bob is heavier than
1. 1 answer
2. asked by rfvv
3. 1,127 views
In a particular chi-square goodness-of-fit test there are four categories and 200 observations. The significiance level is 0.05.
1. 1 answer
2. asked by Rhonda Moore
3. 1,121 views
Given the data below, determine the normal boiling point of COCl2.P1= 100 mmHg T1= -35.6 (degrees)C (delta) Hvap= 27.4 kj/mol
1. 1 answer
2. asked by Jim
3. 1,088 views
2. Mrs. Carroll and Ms. Howard decide to divide all profits and share all losses using a fixedratio. If the ratio agreed upon is
1. 5 answers
2. asked by Jalisa j
3. 1,086 views
What is the profit of 30 flight excursions if the set up fee is $40.00 per person, $800.00 rental fee for the hanger? I need
1. 1 answer
2. asked by Susan
3. 1,081 views
calculate the monthly payment by loan amortization table: loan $26000, down payment $5000, 11% 36 months
1. 0 answers
2. asked by renee
3. 1,063 views
Consider the titration of 50.0 mL of 0.20 M NH3 (Kb=1.8*10^-5) with 0.20 M HNO3. Calculate the pH after addition of 50.0 mL of
1. 3 answers
2. asked by Syra
3. 1,058 views
julian owns an ice cream parlor. for pricing purposes he need to kno how much ice cream a waffle cone holds. the cone is 5 1/2
1. 2 answers
2. asked by lavena
3. 1,038 views
Psy 230 Personal Narrative
1. 1 answer
2. asked by Brenda
3. 1,012 views
How does the language we use, including the actual words that we have to name and describe things build our stereotypes?
1. 0 answers
2. asked by Audrey
3. 922 views
How and why did England avoid the path of absolutism?
1. 0 answers
2. asked by alice
3. 895 views
Out of 56 problems I'm unsure of 7 of them. Can someone please check? (= is my answer.1.)Which of the following is not an
1. 4 answers
2. asked by Ariel
3. 892 views
Earl N. Meyer found that it took 26.54 mL of a 0.0100 M KOH solution to reach the equivalence point for the titration of 25.00
1. 4 answers
2. asked by Alisha
3. 885 views
When a 0.5725 g sample of Lysol was titrated with 0.100 M NaOH, and endpoint was obtained at 15.00 mL. What is the percent of
1. 2 answers
2. asked by Alisha
3. 879 views
What is the ph of a 0.00100 M HCl solution?
1. 1 answer
2. asked by Alisha
3. 869 views
What kind of motion does a constant, non zero torgue produce on an object mounted on an axle: choices constant rotational speed,
1. 1 answer
2. asked by mike
3. 862 views
Given: ~ with altitudes CR and ZS.ZS = 12, XY = 15, YZ = 18 and AB = 20, find the measure of CR. (2 points) A) 25 B) 9 C) 17 D)
1. 0 answers
2. asked by chris
3. 852 views
You've dropped a lucky penny into the middle of a hemispherical water basin of radius 3m. There is a light on the upper edge of
1. 0 answers
2. asked by Laura
3. 847 views
Using a value of Ksp = 1.8 x 10-2 for the reaction PbCl2(s) = Pb+2(aq) + 2Cl-(aq).If a solution has a current value of Keq of
1. 3 answers
2. asked by Beth
3. 788 views
1. What kind of favorite movies do you like?2. What kind of favorite movie do you like? - I like horror movies. (Are the
1. 2 answers
2. asked by rfvv
3. 762 views
simplify: sqrt 2/7a) sqrt (7) b) 2 c) sqrt (2) d) sqrt (14) / 7
1. 2 answers
2. asked by sean
3. 755 views
A current of 2.7 A flows in a straight wire segment of length (2.5 cm) ˆı + (2.5 cm) ˆ in a uniform magnetic field of
1. 0 answers
2. asked by essence
3. 754 views
A company is considering the purchase of a forest that is estimated to yield an annual return of $50,000 for 10 years, after
1. 2 answers
2. asked by Gibbons
3. 753 views
I am trying to help my child out with a problem but yeah I am finding it veyr hard.Gabe is spending two weeks on an
1. 1 answer
2. asked by Britt
3. 743 views
another way to word:the effects of temperature on human and fungal amylase
1. 0 answers
2. asked by Kelly
3. 737 views
A substance has a heat of fusion of 61.5 kj/mol and a heat of deposition of 167.4 kj/mol. What is 175 heat of sublimation in
1. 0 answers
2. asked by Jim
3. 722 views
In most countries a child(start).... school at six and(staying).... for about five years in a primary school.*chia
1. 2 answers
2. asked by nhi
3. 713 views
What effects will this change have on the exchange rate of the canadian dollar in terms of the us dollar?Good Canadian real
1. 2 answers
2. asked by Ariza
3. 704 views
Please describe how the following transactions affects the accounting equation: Provide service for cashIncrease, decrease of no
1. 0 answers
2. asked by John
3. 696 views
Create a timeline tracking the major themes/paradigm shifts in American History from the Columbus's voyages through the
1. 10 answers
2. asked by niecy
3. 681 views
Choose from the following three topics from the Opposing Viewpoints Resource Center. Note that there is one article in support
1. 2 answers
2. asked by ke
3. 674 views
How much heat would be relaesed by the condensation of 5.40g of steam at 100 (degrees)C and the subsequent cooling of the water
1. 2 answers
2. asked by Kim
3. 669 views
a 47.7L sample of a gaseous hydrocarbon, measured at 1.00atm and 25degreesC is burned in excess oxygen, liberating 4.33X10^3 kJ
1. 1 answer
2. asked by Ellie
3. 668 views
I have spent a lot of time researching and I can't find this. I wrote a paper about the mona lisa and the last supper. I need a
1. 2 answers
2. asked by crystal
3. 660 views
What are some pros and cons of using each of the following methods when solving equations?-graphing -using substitution or
1. 4 answers
2. asked by Math (Algebra)
3. 656 views
tom rests a 32-foot ladder against the wall the ladder forms a 61degrees angle with the ground. how high up the wall is the
1. 7 answers
2. asked by lavena
3. 653 views
use implicit differentiation to find dy/dxxlny=y^3=lnx
1. 1 answer
2. asked by Trace
3. 648 views
The Civil War and its impact on the District in the late 19th century...Help Please I'm writing an essay and i need info!
1. 6 answers
2. asked by Brittany
3. 648 views
The impact of segregation in washington dc after the civil war.were can I find information?
1. 1 answer
2. asked by Isaiah
3. 646 views
I4-1:An inexperienced bookkeeper for the Soggy Ground Construction Company has prepared the following balance sheet. Soggy
1. 2 answers
2. asked by shirley
3. 640 views
An eon of time is defined as 1 billion years (1x10 9yrs) in scientific notation. How long is this in minutes? (Assume 1 year
1. 1 answer
2. asked by Millicent
3. 638 views
the vertices of a figure are w(-2,3), Y(3,1), and z(-3,4). What are the vertices of the transformed image ofter a reflection
1. 5 answers
2. asked by jessica
3. 633 views
I am having trouble figuring out how to write a proposal for a new health care system. Any tips on how to write a proposal?
1. 3 answers
2. asked by Mari
3. 632 views
Measuring the quality of care is essential to being able to identify which areas of patient care need improvement. A positive
1. 1 answer
2. asked by Heidi
3. 631 views
If a major Internet store wants to estimate the percentage of adult Internet shoppers in order to determine the maximum impact
1. 1 answer
2. asked by Trish R
3. 623 views
Suppose in a carnival game, there are six identical boxes, one of which contains a prize. A contestant wins the prize by
1. 0 answers
2. asked by Jacob
3. 617 views
simplify: sqrt (16)/sqrt (4) + sqrt (2)a) 8 - 2 sqrt (2) b) 8 - sqrt (2) / 2 c) 2 d) 4 - 2 sqrt (2)
1. 3 answers
2. asked by ami
3. 612 views
{lease help :) A contractor is considering a sale that promises a profit of $20,000 with a probability of .7 or a loss due to
1. 1 answer
2. asked by Sally
3. 605 views
Is NAFTA good/bad for American? What should the Obama Administration do about it?
1. 3 answers
2. asked by mercedes
3. 603 views
Does anyone know where I can remove the memory card? from a computer?I tried looking it up but all I get is those memory cards
1. 4 answers
2. asked by Amy~
3. 602 views
Joe Researcher asks for access to patient records as part of a research project. What shouldthe health information manager do?
1. 1 answer
2. asked by Anonymous
3. 591 views
if the wheel on a car accelerates from rest at a constant rate of 1.5rev/s, how fast will it be turning after 3s.
1. 0 answers
2. asked by mike
3. 590 views
Culture at Wal-Mart on pg. 68. Western companies often impose western culture on the country in which the business is launched.
1. 3 answers
2. asked by Anonymous
3. 589 views
Need help with these--21. Find the possible values of a, of the distance between the points is 5, and the coordinates are (1, 1)
1. 1 answer
2. asked by mysterychicken
3. 581 views
what is the balanced equation for potassium iodide and solid zinc in an acidic solution
1. 1 answer
2. asked by Anonymous
3. 570 views
A stepping motor with 200 steps angles ( = 200) is coupled to a leadscrew through a gear reduction of 5:1 (five rotations of the
1. 0 answers
2. asked by
3. 565 views
Help me work these right please, I'm totally lost?
1. 4 answers
2. asked by Sam R.
3. 562 views
As a restaurant owner there are many decisions that you need to make on a daily basis, such as where to keep inventory levels.
1. 2 answers
2. asked by Ash
3. 551 views
I'm having kids who just finished second grade code sentences in their SummerBridge books in the Shurley style. We're having
1. 1 answer
2. asked by Sara
3. 549 views
julian owns an ice cream parlor. for pricing purposes he need to kno how much ice cream a waffle cone holds. the cone is 5 1/2
1. 1 answer
2. asked by alanaxoxo
3. 543 views
If nominal GDP is $300 billion and the money supply is $20 billion, What must be the velocity? (b)If the money supply decreases
1. 0 answers
2. asked by mercedes
3. 543 views
Posted by Jamie on Sunday, June 20, 2010 at 3:36pm.You are given three test tubes that contain colourless liquid. One test tube
1. 1 answer
2. asked by Jamie
3. 541 views
If nominal GDP is $300 billion and the money supply is $20 billion, What must be the velocity? (b)If the money supply decreases
1. 0 answers
2. asked by mercedes
3. 535 views
What is the pH of a 0.42 M NH4NO3 aqueous solution?What is the percent ionization?
1. 1 answer
2. asked by Kate
3. 534 views
In one day, a random security check of 65 travelers at JFKinternational airport would cause 17 of those travelers to be
1. 1 answer
2. asked by Trish R
3. 530 views
simplify the following radical expression: 3 sqrt (-27)a) 0 b) -3 c) 3 d) no solution exists
1. 2 answers
2. asked by ami
3. 529 views
a pick up truck is 13 feet in length. tioanna wants to make a scale model of the truck using a scale of the 1 inch = 2 feet.
1. 3 answers
2. asked by lavena
3. 526 views
Having a strong or a weak dollar, which is better for America? Why?
1. 1 answer
2. asked by mercedes
3. 524 views
I have tried this 3 ways and this is my last chance to get ir rigth please help.Dave is buying pizza and soda. Suppose that a
1. 0 answers
2. asked by BC - LOST
3. 516 views
A driving machine was employed to hit a sample of 41 each of two different brands of golf balls using the same force each time.
1. 0 answers
2. asked by Randi
3. 513 views
A refrigerator has a width of 3 feet. The angle of elevation from the bottom corner to the opposite corner 65 degreeswhat is the
1. 2 answers
2. asked by joe wallace
3. 506 views
If a satelite orbits the eart at a velocity of 7.5x10 6 km/hr, (in scientific notation) this would be the same as how many ft/s?
1. 1 answer
2. asked by Millicent
3. 505 views
a tourist in framce wasnts to visit 5 different cities. if the route is ransomly selested what is the probability that she will
1. 0 answers
2. asked by J
3. 478 views
Silicon oils are used in water repellents for treating tents, hiking boots, and similar items. Explain how they function.
1. 1 answer
2. asked by Jim
3. 475 views
A perfume company wants to dispense 57.3 quarts of a new fragrance into small vials. How many 25mL vials can they fill (rounded
1. 1 answer
2. asked by Shanda
3. 471 views
The profit function for hang gliding serving p(x) = -0.4x^+fx-m. f- represents set up fee for excursions,m- rental, p- profit,
1. 0 answers
2. asked by Susan
3. 470 views
a 3.35g sample of solid silver reacted in excess chlorine gass to give a 4.45g sample of pure solid AgCl. the heat given off was
1. 1 answer
2. asked by Ellie
3. 470 views
write a review of his theme, along with how this poem relate to your own life experience.I will arise and go now, and go
1. 1 answer
2. asked by mercedes
3. 455 views
True or FalseCH4 probably has a lower boiling point than SnH4
1. 1 answer
2. asked by Kim
3. 451 views

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