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Questions Asked on September 28, 2009

Cars A and B are racing each other along a straight path in following manner: Car A has head start and is a distance dA beyond
1. 4 answers
2. asked by help
3. 11,522 views
Two balloons are filled with an equal volume of air. One is put in the refrigerator for one hour, while the other is heated in a
1. 10 answers
2. asked by Nathan
3. 8,570 views
Methane, CH4 burns in oxygen gas to form carbon dioxide and water. How many moles of carbon dioxide will be formed from 8.0g of
1. 3 answers
2. asked by Denmark
3. 8,561 views
Many metals react with oxygen gas to form the metal oxide. For example calcium reacts:2Ca(s) + O2(g)--> 2CaO(s) Calculate the
1. 1 answer
2. asked by Courtney
3. 6,080 views
Two successive reactions, D-->E and E-->F, have yields of 48% and 73%, respectively, What is the overall percent yield for
1. 4 answers
2. asked by Jamie
3. 4,791 views
A small metal cylinder rests on a circular turntable that is rotating at a constant speed.The small metal cylinder has a mass of
1. 3 answers
2. asked by Tiffany
3. 4,475 views
Calculate the mass of each product formed when 43.82g of diborane (B2H6) reacts with excess water:B2H6(g) + H2O(l)--> H3BO3(s) +
1. 4 answers
2. asked by TeeJay
3. 4,444 views
When 0.100 mol of carbon is burned in a close vessel with 8.00g of oxygen, how many grams of carbon dioxide can form? Which
1. 1 answer
2. asked by Jasmine
3. 4,268 views
Acetone, C3H6O, is the main ingredient of nail polish remover. A solution is made up by adding 35.0mL of acetone(d=0.790g/mL) to
1. 4 answers
2. asked by Mandy
3. 3,644 views
Write in standard form.thirty-six-thousandths------
1. 3 answers
2. asked by queeneka
3. 3,533 views
Potassium nitrate decomposes on heating, producing potassium oxide and gaseous nitrogen and oxygen:4KNO3(s)--> 2K2O(s) + 2N2(g)
1. 3 answers
2. asked by Telicia
3. 3,051 views
What amount (in moles) of FeS2(s) are required to produced 64g of SO2(g) according to the following equation?4FeS2(s) +
1. 2 answers
2. asked by mary.
3. 3,019 views
A scientist wants to make a solution of tribasic sodium phosphate, Na_3PO_4, for a laboratory experiment. How many grams of
1. 3 answers
2. asked by Cory
3. 2,661 views
Eugenol, the active ingredient in cloves, has a formula of C10H12O2. What is the boiling point of a solution containing 1.14g of
1. 1 answer
2. asked by Mandy
3. 2,508 views
Lithium hydroxide reacts with carbon dioxide as follow.2LiOH + CO2________ Li2CO3 + H2O What mass (in grams) of Lithium
1. 2 answers
2. asked by Richard
3. 2,115 views
What amount of H2(g) is produced when 12g of magnesium reacts completely with dilute HCl(aq)Mg(s) + 2HCl(aq)________MgCl2(aq) +
1. 4 answers
2. asked by Ochaya
3. 1,954 views
How is the air similar to a sponge?
1. 7 answers
2. asked by Nathan
3. 1,939 views
Use linear approximation, i.e. the tangent line, to approximate (the 3 is inside the v part if you know what I mean, it's not 3
1. 3 answers
2. asked by Z32
3. 1,876 views
You have a 22L cylinder of helium at a pressure of 150atm and a temperature of 31C. How many ballons can you fill, each with a
1. 4 answers
2. asked by Eric
3. 1,821 views
SAT math scores approx. follow a normal distribution, with mean 500 and standard deviation 100. What % of students should have
1. 1 answer
2. asked by CM
3. 1,739 views
CuCO3 + O2 -> CuO + CO2hydrogen peroxide + manganese dioxide -> hydrogen + oxygen copper (II) sulfate pentahydrate + oxygen ->
1. 2 answers
2. asked by Lauren
3. 1,567 views
why is barium more reactive than magnesium?
1. 1 answer
2. asked by mike
3. 1,518 views
Write the balanced chemical equation for each reaction:K2MnO4(aq)+H2SO4(aq)+NaHSO3(aq)= ? K2MnO4(aq)+NaOH(aq)+NaHSO3(aq)= ?
1. 5 answers
2. asked by izzy
3. 1,415 views
Plane A is 40 mi south and 100 mi east of Plane B. Plane A is flying 2 miles west for every mile it flies north, while Plane B
1. 2 answers
2. asked by newt
3. 1,356 views
Write a 700- to 1,050-paper responding to the following: You have recently been employed by a small local hospital as an
1. 1 answer
2. asked by josh
3. 1,323 views
What force is must a jet's boat engine apply to accelerate the boat from 50 km/h to 100 km/h in 6.0 s? The mass of the boat is
1. 1 answer
2. asked by Anonymous
3. 1,269 views
The height of adult women in the U.S. is normally distributed, with a mean height of 64 inches and a standard deviation of 3
1. 1 answer
2. asked by CM
3. 1,241 views
A 28.0kg block is connected to an empty 1.80kg bucket by a cord running over a frictionless pulley. The coefficient of static
1. 1 answer
2. asked by Brittany
3. 1,201 views
A commercial freight carrier is flying at a constant speed of 400 mi/hand is traveling 4 miles east for every 3 miles north. A
1. 1 answer
2. asked by newt
3. 1,199 views
HISTORY TESTYou take a history test that has 100 regular points and 8 bonus points. You get a score of 91, which includes 4
1. 2 answers
2. asked by valeria
3. 1,178 views
the perimeter of a rectangle is 224 incles. the length exceeds the width by 64 inces. find the length and the width.the length
1. 3 answers
2. asked by spirit73
3. 1,170 views
Calculate each of the following quantities:(a) Grams of solute in 185.8 mL of 0.267 M calcium acetate 7.85g Ca(C2H3O2)2 (b)
1. 1 answer
2. asked by Emily
3. 1,148 views
If your MP100 is set to sample at 100 sps, what is the maximum frequency that can be detected in the analog signal?If the peak
1. 4 answers
2. asked by Alex
3. 1,143 views
what is heterotrophic Hypothesis?please explain well that i can understand because i am doing a research paper on it and i have
1. 0 answers
2. asked by Sandy
3. 1,121 views
1. Plane A is 40 mi south and 100 mi east of Plane B. Plane A is flying 2 miles west for every mile it flies north, while Plane
1. 1 answer
2. asked by newt
3. 1,115 views
A small box is held in place against a rough vertical wall by someone pushing on it with a force directed upward at 28degrees
1. 1 answer
2. asked by Leah
3. 1,114 views
I have to bring in a newsworthy current event article from the Kamloops Daily News or the Freepaper.this article can not be
1. 4 answers
2. asked by Austin
3. 1,109 views
Can someone help me translate these into English please?unas millas ingleseas y cuardradas de heirba lujosa and... Esta es una
1. 4 answers
2. asked by Larry
3. 1,054 views
A light bulb, after it has reached its operation temperature, is connected across a potential difference of 120V while 0.5A of
1. 2 answers
2. asked by joh
3. 1,025 views
Has anybody read Animal Farm?What animal hides during the Battle of the Cowshed?? I can choose from Mollie,Jessie,Clover,or
1. 0 answers
2. asked by Karen
3. 1,019 views
can you help me with this question?According to the clockmaker analogy did Voltaire believe that God was present in the world?
1. 1 answer
2. asked by Katie
3. 1,017 views
If limb lead III has tiny waves (i.e. nearly a flat line), while leads I and II have large waves, this is because:a.the subject
1. 1 answer
2. asked by Alex
3. 1,003 views
Differentiate this.x^2 - sqrt(3)xy + 2y^2 = 5 Can someone show me?
1. 1 answer
2. asked by Morgan
3. 986 views
if sarah gets enough money to go to a movie, jenny will go. if jenny goes bob will go. if bob goes jake will go.only two people
1. 1 answer
2. asked by Anonymous
3. 983 views
what catorgorie does commissions fall in:A)income statement B)statement of changes in owner equity C)balance sheet i think a
1. 1 answer
2. asked by laura
3. 980 views
2. How has human settlement affected the natural vegetation of Western Europe?a. People have carefully protected all of the
1. 2 answers
2. asked by mysterychicken
3. 973 views
I don't really understand what it means when it says Vavenby wants time for ''mines'' before school closure.
1. 1 answer
2. asked by Austin
3. 971 views
A person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of vi = 11 m/s. The cliff is h = 47 m
1. 1 answer
2. asked by steph
3. 958 views
triangle AOB is a right angled triangle....(1.5, 2)is the midpoint co-ordinate of AB the co-ordinate of B is (2.5. 0)...Find the
1. 1 answer
2. asked by Maths URGENT
3. 953 views
I also need help with (x)/(x+4)+(4)/(x+4)+2=0. My book says there is no solution, but I got one. I got -6 equals x (the x+4's
1. 1 answer
2. asked by Jaymie
3. 943 views
Are we allowed to post my essay here for proofreading? why is only the first line showing up?Individual Opportunity: Myth or
1. 5 answers
2. asked by Kuromi
3. 930 views
Find the linearization of f(x)= sqrtx at x=25 and use the linearization to approximate sqrt25.2This is my math: 5+ 1/10 *
1. 2 answers
2. asked by Z32
3. 929 views
Acetone, C3H6O, is the main ingredient of nail polish remover. A solution is made up by adding 35.0mL of acetone(d=0.790g/mL) to
1. 1 answer
2. asked by Mandy
3. 924 views
A car traveling at 69 km/h hits a bridge abutment. A passenger in the car moves forward a distance of 59 cm (with respect to the
1. 2 answers
2. asked by John
3. 904 views
Why is baseball fun?
1. 1 answer
2. asked by Troy
3. 901 views
Acetone, C3H6O, is the main ingredient of nail polish remover. A solution is made up by adding 35.0mL of acetone(d=0.790g/mL) to
1. 1 answer
2. asked by Mandy
3. 885 views
how can spectra be used in chemical analysis?
1. 2 answers
2. asked by jessica
3. 879 views
The height of adult women in the U.S. is normally distributed, with a mean height of 64 inches and a standard deviation of 3
1. 1 answer
2. asked by CM
3. 878 views
I need help working the problems, I don't know how I got the right answersCalculate each of the following quantities: (a) Grams
1. 5 answers
2. asked by Emily
3. 864 views
Eugenol, the active ingredient in cloves, has a formula of C10H12O2. What is the boiling point of a solution containing 1.14g of
1. 1 answer
2. asked by Mandy
3. 861 views
Why does the inequality sign change when both sides aremultiplied or divided by a negative number? Does this happen with
1. 1 answer
2. asked by Anonymous
3. 856 views
You have a 22L cylinder of helium at a pressure of 150atm and a temperature of 31C. How many ballons can you fill, each with a
1. 1 answer
2. asked by Eric
3. 845 views
what causes the different physical properties between HCl and NaCl
1. 2 answers
2. asked by Adam
3. 830 views
Write a 700- to 900-word paper addressing the following aspects of the Perfection Era.Assess the accomplishments made in the
1. 1 answer
2. asked by Sueann
3. 801 views
How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to
1. 1 answer
2. asked by Kellie
3. 795 views
What similarities and differences do you see between functions and linear equations studied in Ch. 3? Are all linear equations
1. 1 answer
2. asked by Toni
3. 779 views
When navigating their crafts, ship captains and airplane pilots can often be seen drawing lines on a large map?A cruise ship is
1. 1 answer
2. asked by newt
3. 771 views
Welcome, you are invited to Sue, James and Jason's party.Bienvenido, tu eres (invited)a la fiesta de Sue, James y Jason. Can
1. 4 answers
2. asked by Larry
3. 761 views
PRIME FACTORIZATION OF 15 USING EXPONENTS
1. 2 answers
2. asked by NINA
3. 739 views
For dessert we will have chocolate cake, ice cream and pieHow would you translate this into Spanish? I'm having trouble with "we
1. 5 answers
2. asked by Larry
3. 735 views
Plane A is 40 mi south and 100 mi east of Plane B. Plane A is flying 2 miles west for every mile it flies north, while Plane B
1. 1 answer
2. asked by newt
3. 719 views
Before investigating the scene, the technician must dilute the luminol solution to a concentration of 4.00×10−2 . The diluted
1. 2 answers
2. asked by STEVE
3. 715 views
Unlike heads of executive departments, White House staff members are not required to receive congressional approval. What are
1. 5 answers
2. asked by Anonymous
3. 715 views
I have to fill in the blanks of these questions with the elements H (hydrogen), Co (cobalt), Ga (gallium), and O (oxygen), but
1. 2 answers
2. asked by Emily (different from one before me)
3. 710 views
When navigating their crafts, ship captains and airplane pilots can often be seen drawing lines on a large map?A cruise ship is
1. 1 answer
2. asked by newt
3. 709 views
A ball is thrown upward off the top of a 30-meter high building. 10 meters below the top of the roof, is the top of a window,
1. 1 answer
2. asked by Dreskillz89
3. 694 views
Are there any tricks for remembering solubility rules? I am having a hard time remembering which compounds are soluble and which
1. 1 answer
2. asked by Katie
3. 687 views
A class elects two officers, a president and a secretary/treasurer, from its 12 members. How many different ways can these two
1. 2 answers
2. asked by thomas
3. 674 views
· Post a 200- to 300-word response to the following: Compare cost control strategies of employer-sponsored health plans, in
1. 3 answers
2. asked by Anonymous
3. 665 views
Many of today’s antibacterial drugs work by interfering with the growth of cell walls, why do these drugs tend to have little
1. 1 answer
2. asked by chrissy
3. 660 views
I'm having a lot of trouble in this class, and tonight we have to record differences and similarities of the Ummayad and the
1. 1 answer
2. asked by Ashley
3. 658 views
belle bought packages of beads for her project.ben bought twice as many packages as belle.micalla bought three times as many
1. 3 answers
2. asked by angela
3. 652 views
When navigating their crafts, ship captains and airplane pilots can often be seen drawing lines on a large map?A cruise ship is
1. 1 answer
2. asked by newt
3. 651 views
snookers lumber can convert logs into either lumber of plywood. in a given day, the mill turns out three times as many units of
1. 2 answers
2. asked by spirit73
3. 650 views
a student makes a $10.25 purchase at the bookstore with $20 bill. The store has no bills and gives the change in quarters and
1. 1 answer
2. asked by Need Help
3. 649 views
You're likely to encounter formal service in all of the following settings except which one?
1. 2 answers
2. asked by Anonymous
3. 649 views
Different conformers of C3H7Cl?I know that there are different constitutional isomers. But, Im not sure about the
1. 1 answer
2. asked by Sarah
3. 641 views
this is a question for a lab experiment...in the lab we got 2 empty vials and were supposed "eyeball" 1.0g of NaCl into each of
1. 5 answers
2. asked by Jen
3. 639 views
the functions f and gare defined byf(x)=2/(x+1), x>0 g(x)=1-x^2, xER a)find value of fg(x)giving your answer in the simplest
1. 1 answer
2. asked by ???
3. 638 views
Can someone please check my work?Write a paragraph describing your party. La fiesta está en una grande mansión. Tiene seis
1. 1 answer
2. asked by Larry
3. 638 views
A person jumps from a window 57 meters high and is caught in a firefighter's net which stretches 0.6 meter. To the nearest tenth
1. 2 answers
2. asked by Trevor
3. 637 views
Explain what the good blockeade-runners carried as cargo. explain it as if you were a blockade runnerand ohh! any blockade
1. 1 answer
2. asked by Brannico
3. 636 views
A syringe with a movable piston, contains 0.057g of carbon dioxide gas at 23.5C. If the pressure in the syringe was 953mmHg,
1. 1 answer
2. asked by Mandy
3. 636 views
as the title of a song, which is correct;"I've Learned From You" "I've Learned from you" "I've Learned From you" "I've Leared
1. 1 answer
2. asked by Alyssa
3. 633 views
I have to write an essay about if I think Columbus Day should be celebrated or not. I have decided to take the approach talking
1. 1 answer
2. asked by Brianne
3. 623 views
Find the equation of the circle when the center is at the origin and the radius is 6.Thanks!
1. 3 answers
2. asked by Bree
3. 621 views
why does the inequality sign change when both sides are multiplied or dived by a negative number?Does this happen with
1. 0 answers
2. asked by Anonymous 2
3. 613 views
What is the process by which cabinet members are selected and appointed?
1. 1 answer
2. asked by Jennifer
3. 610 views
A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for
1. 1 answer
2. asked by Vixen
3. 610 views
write the prime factorization of 15 using exponents.
1. 5 answers
2. asked by NINA
3. 610 views

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