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2010
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July 12, 2010
"A fish hangs from a spring scale supported from the roof of an elevator. If the elevator has an upward acceleration of 1.2m/s^2
2 answers
asked by
Stuck
5,596 views
How do I prepare 250ml of 10% phosphoric acid from 85% phosphoric acid(density 1.69g/ml)?
Thanks.
2 answers
asked by
Minnie
3,490 views
How do I prepare 10% ortho-phosphoric acid in 250ml volumetric flask from 85% ortho-phosphoric acid(density 1.69g/ml) ?
1 answer
asked by
Minnie
2,244 views
0.10- baseball moves toward home plate with a velocity = (-31 ).
After striking the bat, the ball moves vertically upward with a
2 answers
asked by
john
1,791 views
"Two girls, one of mass 40kg and the other of mass 60kg, are standing side by side in the middle of a frozen pond. One pushes
1 answer
asked by
Stuck
1,755 views
A firm has two factories, one twice as large as the second. As the number of workers at each factory increases, which factory
1 answer
asked by
Anonymous
1,744 views
Hi, I need to calculate the size of one of the interior angles of a regular heptagon (i.e. a regular 7-sided polygon).
Any help
3 answers
asked by
Jim
1,719 views
1. Calculate the speed in m/s at which the Earth revolves about the sun. You may assume the orbit is nearly circular.
2. A
1 answer
asked by
anonymous
1,488 views
a minor league baseball team plays 88 games in a season . if the team won 17 more then twice as many games as they lost , how
1 answer
asked by
Kristina
1,443 views
2-2A #2 Rewrite the following using mathematical symbols:
a. P is equal to the set containing a, b, c, and d. b. The set
0 answers
asked by
Bridget
1,380 views
Balance each of the following skeleton equations.
A) KCl + Pb(NO3)2 -> PbCl2 + KNO3 I balanced it out like this. KCl2 + Pb(NO3)2
1 answer
asked by
Derrick
1,363 views
If I bought an item for $80 on which there was a 30% markup, what is the formula to determine the pre-markup price?
1 answer
asked by
Craig
1,272 views
What is the largest rectangle that can be inscribed in the first quadrant of the ellipse 9x^2+16y^2=144?
1 answer
asked by
Micah
1,245 views
List the total number of each type of atoms in the following reactants.
A) 2HCL + Ca(OH)2 = 6 hydrogen, 2 carbon, 2 lithium, 2
2 answers
asked by
Derrick
1,226 views
"A 5000kg helicopter accelerates upwards at 0.50m/s^2 while lifting a 2000kg car. What is the lift force exerted by the air on
2 answers
asked by
Stuck
1,205 views
In a previous
experiment, 0.800 g of the green complex iron salt was placed in an Erlenmeyer flask and heated with concentrated
2 answers
asked by
Sam
1,176 views
which is the simplest form of the radical expression sqrt (10)+6sqrt(10)+-3sqrt(10)
3 answers
asked by
ana
1,173 views
This solution covers the following theories of emotion: the James-Lange theory, the Cannon-Bard theory, the two-factor theory,
1 answer
asked by
Anonymous
1,166 views
For fluoracetic acid the highest Boltzmann distribution is when the dihedral angle is at 0 degrees. However, going from chloro-
7 answers
asked by
Anth
1,127 views
The task of economic policy is to create a prosperous America. The unfinished task of prosperous Americans is to build a Great
1 answer
asked by
joshua
1,097 views
based on how we are treating our earth today. what events have led to what humans want from a place in the movie called pandora.
0 answers
asked by
Ted
1,033 views
If 10.0g of CaCl2 and 10.0g of NaCl are dissolved in 100.0mL of solution, what is the concentration of chloride ions?
I found the
2 answers
asked by
Casey
1,017 views
what is the angular velocity in radians per second of a bicycle tire of diameter 70 cm, when the bike is traveling at 30km/h?
2 answers
asked by
youyou
1,016 views
Two metal spheres are separated by a distance of 1.1 cm and a power supply maintains a constant potential difference of 710 V
0 answers
asked by
laila
1,006 views
A ball is rolling across the top of a billiard table and slowly rolls to a stop. How would Galileo explain the motion of the
1 answer
asked by
Ariel
986 views
the longest lived radioactive isotope yet discovered is the beta-emitter tellurium-130.it has been determinded that it would
2 answers
asked by
penelope
956 views
Balance each of the following skeleton equations. This is the last one left to balance.
D) C4H10 + O2 -> CO2 + H2O = C4H10 + O2
1 answer
asked by
Derrick
955 views
A sign 3 feet high is placed on a wall with its base 2 feet above the eye level of a woman attempting
to read it. How far from
2 answers
asked by
JJ
951 views
The area of a circle is 28.26 square centimeters. What is its diameter (use 3.14 for ð)?
2 answers
asked by
Superman
948 views
When disasters hit an area, the cost of everything seems to go up immediately: food, water, housing, gas and so forth. Explain
1 answer
asked by
Clyde
908 views
1. What is the pH when enough 0.10 M Base (in mL) is added to neutralize 8 mL of 0.10 M Acid?
Complete the following table. NaOH
0 answers
asked by
Sammy
876 views
Balance each of the following skeleton equations.
C) C3H8 + O2 -> CO2 + H2O This one was a bit harder for me to balance out, but
1 answer
asked by
Derrick
873 views
How might your suggested solution be affected by social policies or government regulations?
1 answer
asked by
Erin
831 views
C12 H22 O11 = Co2 + H2O
how to balance this equation?
1 answer
asked by
help?
810 views
1. Would ocean tides exist if the gravitational pull of the moon (and sun) were somehow equal on all parts of the world? I know
1 answer
asked by
anonymous
808 views
On an organic acid, the maximum electrostatic potential
1) is the most negative part of a molecule. A. true B. false 2) is
11 answers
asked by
Anth
784 views
Which of the following is NOT a way you can show that triangles are similar?
A.AAA similarity B.SAS similarity C.SSA similarity
1 answer
asked by
Superman
784 views
Haloacetic acids have the largest maximum electrostatic potential when the
Boltzmann distribution is A. high B. low C.
9 answers
asked by
Anth
768 views
I was very tired, but it was great to be in Antarctica. Everyting was covered with snow. 1)It was so beautiful.
-----------------
1 answer
asked by
rfvv
758 views
Since I've been waiting to get my answers checked for my submission #2, I moved on to my submission #3 and I need some questions
9 answers
asked by
Ariel
742 views
hwo do nation a part organize infomation to build his arugment?
2 answers
asked by
sharon
739 views
Haloacetic acids are the most acidic when the
molecule is A. stable B. unstable dihedral angle is A. intermediate B. 0 C. 180
15 answers
asked by
Jay
738 views
hello, I can't seem to solve this question. i tried to look up someone else who may have asked this question. I found this girl
1 answer
asked by
THOMAS
728 views
Suppose a fuel-cell generator was used to produce electricity for a house. If each H2 molecule produces 2e- , how many kilograms
0 answers
asked by
seth
716 views
Sue bought a dress on sale fro $21.50. If the sale was a 15% off sale, how much money did she save compared to if she bought at
5 answers
asked by
kid
710 views
An antique dealer visited three shops. She spent $25 at the first shop. At the second shop, she spent half of her remaining
1 answer
asked by
Josh
709 views
the iv dose of mannitol is 1.5g/kg, administered as 15% solution. how many mls of the solution should be administered to a 150
3 answers
asked by
kim
709 views
A Balloon with a volume of 2.00 L is at a pressure of 1.5 atm and a temperature of 20C. If the balloon is put into a container
1 answer
asked by
mike
699 views
In the reaction Fe2O3 + 3CO �¨ 2Fe + 3CO2
How much CO is used to produce 112 grams of iron?
1 answer
asked by
Dillon
693 views
solve the equation 3^2x + 2.3^x - 15 = 0
1 answer
asked by
mattie
679 views
Suppose a charge q is placed at point x = 0, y = 0. A second charge q is placed at point x = 6.2 m, y = 0. What charge Q must be
0 answers
asked by
laila
676 views
Application of Derivatives and Integrals:
A sign 3 feet high is placed on a wall with its base 2 feet above the eye level of a
1 answer
asked by
JJ
676 views
These are questions I'm unsure about out of 20 for my submission #2. Someone please check soon. My answers have an =.
1.)A ball
4 answers
asked by
Ariel
671 views
what is the present value of $1,000 paid at the end of the next 100 years if the interest rate is 7% per year?
2 answers
asked by
mary
667 views
calculate the ordered
medication for each of the following IV bags to achieve the ordered concentration Ordered: Add 30 mEq KCl
0 answers
asked by
Grace
666 views
how many grams of copper (II) Chloride are formed in the double replascement reaction of 1.1 g copper (II) oxide and excess
1 answer
asked by
maleia
666 views
Can't seem to find the answer to this question.
In the aftermath of WWI, the largest manufacturing industry in the state of
2 answers
asked by
Hiro
665 views
A snail is crawling along a meter stick. At a certain point the snail stops. The snail needs to crawl three times as far as it
2 answers
asked by
Josh
665 views
A pet owner accidentally applies 2.5 ml of a dog flea product containing 45% permethrin to a 15 lb cat. What is the dosage this
0 answers
asked by
Nancy
664 views
Whst steps did louis XIV to consolidate his power as the absolute monarh of France?
1 answer
asked by
ami
662 views
Hi, I have to produce a sketch of a line that passes through the points (4,3) and (10,0), i have already worked its gradient out
1 answer
asked by
Jas
660 views
Explain how the U.S became involved in the politics of Southeast Asia.
Explain how this involvement affected the U.S.
5 answers
asked by
Kent
659 views
What is the pH of the solution created by combining 1.20 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00
3 answers
asked by
Anonymous
656 views
Why reproduction in seed plants (spermopsids)is not dependent upon water?
please explain!
4 answers
asked by
Mesut
640 views
hello, I can't seem to solve this question. i tried to look up someone else who may have asked this question. I found this girl
3 answers
asked by
THOMAS
638 views
How many muscles does it take to smile, and how many muscles does it take to frown? How many muscles does it take to raise my
0 answers
asked by
Hannah
635 views
What message is conveyed in the lyrics from Harry Chapin cats in the cradle song from 1974 considering the relationship to
1 answer
asked by
Breanna
625 views
Week 4: Exercises from E-Text
12. Individual Assignment: Exercises From the E-Text Due 7/12/10 • Resource: Applied Statistics
5 answers
asked by
bebe
621 views
ken griffy jr hit 23 home runs in the first 50 games of the season. If he hit homw runs at this pace all season, how many would
5 answers
asked by
kid
619 views
If the arc on a particular circle has an arc length of 14 inches, and the circumference of the circle is 84 inches, what is the
1 answer
asked by
Superman
617 views
what is 20 Jamaican dollars equal in Canada.
1 answer
asked by
saira
613 views
which of the following are prime number?
a) 5 b) 19 c) 33 d) 49
7 answers
asked by
kid
609 views
A 5-newton block is being pulled up a ramp at a constant speed. The angle between the ramp and the horizontal is 30°. If the
0 answers
asked by
luns
606 views
REVISION TO PREVIOUS POST:
What is the pH of the solution created by combining 1.90 mL of the 0.10 M NaOH(aq) with 8.00 mL of the
3 answers
asked by
Sara
599 views
1) What is the effect of adding a weight to the end of a baseball bat used for practice swings?
2) What does it mean to say that
0 answers
asked by
anonymous
598 views
No one can predict a natural disaster or world crisis. When a hurricane or flood or a pandemic strikes a country, who is most
1 answer
asked by
Clyde
586 views
The perimeter of this rectangular portion needs to be 14 yards and the diagonal is 5 yards. Can you help Mike determine the
1 answer
asked by
JT
579 views
z=u(v+w)^(1/2) find ∂^3z/(∂u∂v∂w)
what partial derivative am I suppose to be finding exactly? Do I take the derivative of
0 answers
asked by
C
574 views
what is the mass of 3.50mol of FeCl2
could you show me step by step how to do this?
2 answers
asked by
Anonymous
572 views
What is the pH of the solution created by combining 0.80 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00
3 answers
asked by
Cindy
567 views
An Illinois state statute bans certain advertising to prevent consumers from being misled. A court would likely hold this
1 answer
asked by
John
567 views
A manufacturer of AC units realizes a cost of $55.00 for every unit produced. Its total fixed cost is $2,000,000. If the
0 answers
asked by
Craig
563 views
simplify the expression -10xy - 15y / 5y
-10xy -3y^2 is my answer rigth or wrong
1 answer
asked by
ana
549 views
I need help with the following if that's ok?
Calculate the discriminant of the quadratic expression 2x 2 + 5x − 2.
1 answer
asked by
Jo
538 views
I was getting restless to post these questions, so I decided to go ahead and post them.
Balance each of the following skeleton
1 answer
asked by
Derrick
530 views
In general, the frequency of APs in an afferent neuron is related to the amplitude of the receptor potential in the following
0 answers
asked by
jay
530 views
A man of such obvious and exemplary charm must be a liar - Brookner
ONE SAYS: This is not a causal statement yet it is written
1 answer
asked by
reema
528 views
I am having big troubles on this question.
What is the increase in acidity associated with a decrease of one unit on the pH
3 answers
asked by
Aaron
527 views
trace the course of french revolution from calling estates general to creation of national assembly? why estate general called
1 answer
asked by
ami
520 views
in a mixture if concrete, there are four lb of cement mix for each pound of gravel. if the the mixture contains a total of 195
1 answer
asked by
Kristina
517 views
List your references according to APA guidelines in the space below. You are required to use at least one outside source to
1 answer
asked by
Clyde
515 views
What message in the lyrics from Harry Chapin cats in the cradle song from 1974 convey considering the relationship to gender and
1 answer
asked by
Robert
505 views
A man leaves his house and begins walking in a straight line. After 2 hours he is ten miles from home. Calculate the man's
0 answers
asked by
Ariel
504 views
napoleon russian campaign has been a disaster why? Describe the campaign what happened and the consequences for the french army
1 answer
asked by
ami
497 views
A. Increasing halogen atom size.
B. Decreasing acid strength. C. Shortening of the C-C bond. D. Increasing electronegativity. E.
6 answers
asked by
Anonymous
497 views
Larry, Lionel, and Lester painted a fence. Larry painted the first 1/3 of the fence. Lionel painted 3/5 of what rtemained.
1 answer
asked by
Josh
495 views
“The Loons” (Margaret Laurence)
i cant find the website for this short story.plz help! thnx
1 answer
asked by
Thara
494 views
A certain capacitor stores 360 J of energy when it holds 9.1 10-2 C of charge.
(a) What is the capacitance of this capacitor? µC
1 answer
asked by
laila
494 views
What is the pH when enough 0.10 M Base NaOh (in mL) is added to neutralize 8 mL of 0.10 M Acid HCl? Acid HC2H3O2?
I got the pH of
6 answers
asked by
Sara
489 views
In a suit between Best Products, Inc., and Central Sales Corporation, the court applies the doctrine of stare decisis . This
1 answer
asked by
John
488 views
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