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Questions Asked on February 22, 2010

For each of the following water-soluble compounds, indicate the ions present in an aqueous solution:NaI K2SO4 NaCN Ba(OH)2
1. 1 answer
2. asked by Jacob
3. 9,296 views
If a polygon has 33 sides what isa) The sum of the measures of the angles of the polygon? b) The sum of the measures of the
1. 4 answers
2. asked by Zelda
3. 6,005 views
I don't remember my instructor going over this and the book isn't explaining it very well. Can anyone help answer these?Indicate
1. 2 answers
2. asked by Kelsey
3. 6,000 views
A standard train ticket in a certain city costs $2.50 per ride. People who use the train also have the option of purchasing a
1. 2 answers
2. asked by ReRe
3. 4,229 views
Which of the following is the formation reaction for CaO(s) ?A. CaO(s) Ca(s) + 21O2(g) B. Ca2+(aq) + O2–(aq) CaO(s) C. Ca(s) +
1. 1 answer
2. asked by eli
3. 4,199 views
A sample of silver with a mass of 63.3g is heated to a temperature of 384.4 K and placed in a container water at 290.0K The
1. 2 answers
2. asked by Anonymous
3. 3,962 views
An automobile tire contains a certain volume of air at 30 psig and 70 °F. The barometric pressure is 29.50 Hg. If due to
1. 3 answers
2. asked by Janus
3. 3,546 views
Find an angle such that 3 times the complement of the angle is 10 degrees less than the supplement of the angle.I know that
1. 2 answers
2. asked by Crystal
3. 3,185 views
At what rate must a cylindrical spaceship rotate if occupants are to experience simulated gravity of 0.52 g? Assume the
1. 1 answer
2. asked by Anonymous
3. 3,068 views
A student placed 14.0g of glucose (C6H1206) in a volumetric flask, added enough water to dissolve the glucose by swirling, then
1. 2 answers
2. asked by Christian Gillard
3. 2,893 views
The space shuttle releases a satellite into a circular orbit 550 km above the Earth. How fast must the shuttle be moving
1. 1 answer
2. asked by Anonymous
3. 2,805 views
Paragraph 1Background You’ve applied for a specific job in your field of study. The Human Resources Department arranges an
1. 6 answers
2. asked by me too
3. 2,789 views
if f(x)=int(2x) find f(1.2)
1. 1 answer
2. asked by Arielt
3. 2,739 views
Under an O2(g) pressure of 1.00 atm , 28.31mL of O2 (g) dissolves in 1.00L H2O at 298K.What will be the molarity of O2 in the
1. 1 answer
2. asked by Someone please help.
3. 2,737 views
How many grams of water would you add to 1.00 kg of 1.48 m CH3OH(aq) to reduce the molality to 1.00 m CH3OH. Use two sig figs.I
1. 3 answers
2. asked by david
3. 2,430 views
Please help. I have no idea how to do these 4 homework problems.1- How many milliliters of 0.140 M HCl are needed to completely
1. 3 answers
2. asked by Robert
3. 2,227 views
A block of iron is transported to the moon . Which of the following is true1) Both its mass and weight remain unchanged. 2)Its
1. 2 answers
2. asked by Archemae
3. 2,180 views
The measure of an exterior angle of an equiangular polygon is twice that of an interior angle. What is the name of the polygon?
1. 1 answer
2. asked by Mokona
3. 2,154 views
When filling the buret with NaOH solution, you left an air bubble in the buret tip. The bubble was released durning your first
1. 1 answer
2. asked by Diane
3. 1,927 views
how much heat does it take to convert 20g of water to steam at 100c?
1. 3 answers
2. asked by eunide
3. 1,919 views
how many grams of NaCN would you need to dossolve in enough water to make exactly 250.0mL of soultion with pH of 10.00?
1. 2 answers
2. asked by Tiffany
3. 1,804 views
1. Hot dogs come 10 to a package, and hot dog buns come 8 to a package. What is the smallest number of packages of each that
1. 1 answer
2. asked by Jimmy
3. 1,802 views
An objective function and a system of linear inequalities representing constraints are given. Graph the system of inequalities
1. 2 answers
2. asked by ReRe
3. 1,618 views
how many joules of heat are lost by 3580kg granite as it cools from 41.2c to -12.9c?
1. 2 answers
2. asked by Anonymous
3. 1,593 views
Three charges are arranged as follows: +3 mC located on the y-axis at +15 mm; -2.5 mC located on the x-axis at -25 mm; and +4.0
1. 1 answer
2. asked by Jamie
3. 1,566 views
Which of the following are strong electrolytes?BaCl2 AgNO3 PbI2 Pb(NO3)2 KI I think they are all strong electrolytes. Is this
1. 1 answer
2. asked by Jacob
3. 1,541 views
An employee has a salary of $20,370 after getting a 5% raise. What was their salary before the increase in pay?What is the
1. 2 answers
2. asked by B.B.
3. 1,484 views
If the initial concentration of AB is .250 M, and the reaction mixture initially contains no products, what are the
1. 2 answers
2. asked by Ashton
3. 1,475 views
what is the area of a regular quadrilateral (square) that has a radius of 10 square root of 2. The 10 square root of 2 is the
1. 4 answers
2. asked by cody
3. 1,425 views
Solve using the multiplication principle.-4/5x=16/35. (5)-4/5x=16/35(5) -4x=180/175 Now I'm lost. What do I do now? Thanks.
1. 1 answer
2. asked by B.B.
3. 1,414 views
Why do dispersed colloid particles stay dispersed? Please help because Im really confused.
1. 1 answer
2. asked by Anonymous
3. 1,393 views
Deterioration of buildings, bridges, and other structures through the rusting of iron costs millions of dollars everyday.
1. 5 answers
2. asked by Kaylene
3. 1,379 views
Find the derivative of y=xsin(2/x)? On web-assign everything that I have tried has been wrong.
1. 1 answer
2. asked by Erin
3. 1,366 views
What are the similarities and differences between functions and linear equations? How do you graph functions on a coordinate
1. 1 answer
2. asked by AR
3. 1,314 views
The reason the auto industry is such a mess is the outrageous union contracts that the automakers are burdened with.Fallacy
1. 1 answer
2. asked by denise
3. 1,303 views
charlie has 80 ml of a 15% acid solution how much of a 20% acid slolution must be added to create a solution that is 18% acid.
1. 1 answer
2. asked by steve
3. 1,276 views
Daily demand for a product is 60 units with a standard deviation of 10 units. The review period is 10 days, and lead time is 2
1. 1 answer
2. asked by mlk007
3. 1,228 views
A 0.145-kg baseball pitched horizontally at 39 m/s strikes a bat and is popped straight up to a height of 31 m. If the contact
1. 0 answers
2. asked by Anonymous
3. 1,187 views
3.Why are there so many sexualized images of women of color in the media?4.Can a man be a feminist? Why or why not?
1. 1 answer
2. asked by Troy
3. 1,183 views
Ms. Sue please take a look at my previous post, I still need help :-(
1. 2 answers
2. asked by Sara
3. 1,176 views
The lowest note on a grand piano has a frequency of 28.1 Hz. The entire string is 2.00 m long and has a mass of 440 g The
1. 3 answers
2. asked by deb
3. 1,165 views
A 121 cm-long, 3 g string oscillates in its m = 3 mode with a frequency of 154 Hz and a maximum amplitude of 5.0 mm. What are
1. 2 answers
2. asked by deb
3. 1,155 views
____ 2. As part of the initial investment, Omar contributes accounts receivable that had a balance of $25,000 in the accounts of
1. 5 answers
2. asked by Abbyy
3. 1,144 views
Suggest methods for evaluating the lesson’s objectivewhat makes a lesson plan effective
1. 3 answers
2. asked by scooby
3. 1,125 views
Can you please check if the following statements are correct? Thank you.1.Antony uses a rhetoric language. 2.He makes a
1. 1 answer
2. asked by Franco
3. 1,104 views
A student says that it is actually impossible to measure anangle, since each angle is the union of two rays that extend
1. 1 answer
2. asked by Fredword
3. 1,092 views
When 0.702 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 114C is observed.Assume the
1. 6 answers
2. asked by Taylor
3. 1,091 views
The frequency of an ambulance siren is 700 Hz. If a pedestrian on the side of the road hears the siren at 756 Hz approximately
1. 2 answers
2. asked by Jane
3. 1,089 views
A 355g sample of a saturated solution of KNO3(s) in water is prepared at 25.0 degrees C.If 50g H2O is evaporated from the
1. 2 answers
2. asked by david
3. 1,070 views
CASE 1—E-Biz DreamsRobert Downs has just completed a Master of Science degree in computer science at Major State University.
1. 1 answer
2. asked by Abbyy
3. 1,062 views
What is the distance from the Earth's center to a point outside the Earth where the gravitational acceleration due to the Earth
1. 1 answer
2. asked by Anonymous
3. 1,055 views
how many grams of chlorine are in 65 grams of CF2Cl2?
1. 1 answer
2. asked by latoya
3. 1,051 views
n A Tale of Two Cities chapter 15 in book the second, what had M Defarge done n attempt to save the tall man?
1. 1 answer
2. asked by Anonymous
3. 1,048 views
the height, in feet, of a free-falling object t seconds after being dropped from an initial height s can be found using
1. 3 answers
2. asked by rmz
3. 1,038 views
This is my whole poem.My poem dosen'thave to rhyme. The Green Team is like an angel,dancing through the beautiful blue sky. It
1. 1 answer
2. asked by Melody
3. 1,022 views
What must be the molarity of an aqueous solution of NH3 if it is 4.2% ionized?
1. 0 answers
2. asked by Rav
3. 1,017 views
State the negation of the following statement:Lines a and b are parallel.
1. 2 answers
2. asked by miranda
3. 981 views
A sports car of mass 1300 kg (including the driver) crosses the rounded top of a hill (r = 86 m) at 23 m/s. Determine the normal
1. 1 answer
2. asked by Anonymous
3. 971 views
Biotechnology allows us to use living organisms or their processes for human needs or purposes. Currently, this topic includes
1. 1 answer
2. asked by Anonymous
3. 960 views
A hydraulic jack in a gas station lifts a 900kg car a distance of .25cmWhen a force of 150N pushes a piston through a distance
1. 0 answers
2. asked by corey
3. 942 views
If 3 people are asked what day of the week they were born, find the probability thati) 2 or 3 are the same. ii) only 2 people
1. 2 answers
2. asked by Maria
3. 936 views
Calculate the force of Earth's gravity on a spacecraft 12,800 km (2 Earth radii) above the Earth's surface if its mass is 1550
1. 1 answer
2. asked by Anonymous
3. 928 views
Why was the discovery of microspheres and coacervates an important contribution to the understanding of how life might have
1. 0 answers
2. asked by tatiana
3. 923 views
As such, you are assigned the duty of ensuring the availability of 100,000 yen for a payment scheduled for next month.
1. 0 answers
2. asked by Anonymous
3. 916 views
A company had stock outstanding as follows during each of its first three years of operations: 2,500 shares of 10 %, $100 par,
1. 0 answers
2. asked by anonymous
3. 913 views
Under an O2(g) pressure of 1.00 atm , 28.31mL of O2 (g) dissolves in 1.00L H2O at 298K.What will be the molarity of O2 in the
1. 1 answer
2. asked by Amber
3. 909 views
State the negation of the following statement:The sun is not shining.
1. 3 answers
2. asked by kelsy
3. 903 views
Thirty percent of the liquid evaporated. If 560 milliliters remain, how many milliliters evaporated?
1. 1 answer
2. asked by Crystal
3. 888 views
Weigh the advantages and disadvantages of the current democratic system. In the chapter on the presidency, for example, you must
1. 3 answers
2. asked by Stephanie
3. 888 views
what are the direct object pronouns in the following sentenceBuena, hoy hacemos una ensalada de frutas, con naranjas, un melon y
1. 2 answers
2. asked by mary
3. 879 views
I am doing a "report" on the gas Chambers in Auschwitz during WWII. I am trying to figure out more about how long it took for
1. 1 answer
2. asked by Karissa
3. 879 views
Last ones on the test--37. Hyphae a. increase the surface area-to-volume ratio of the fungus b. have slender filaments c. allow
1. 0 answers
2. asked by mysterychicken
3. 856 views
In Figure P4.30, m1 = 10.5 kg and m2 = 4.5 kg. The coefficient of static friction between m1 and the horizontal surface is 0.60
1. 1 answer
2. asked by nat
3. 855 views
The mass of neptune is about 1.03 x 10^23 metric tons. The mass of the sun is about 1.998 x 10^27 metric tons. About how many
1. 1 answer
2. asked by jen
3. 851 views
PLEASE HELP!!!NEED TO SOLVE:5-(3)<10(-3)= 3<2x+1<9= 13<3x+5<29= 12<-4y+8<16= 5>x+2>-7= 5<2-x<7= PLEASE HELP DUE A.S.A.P. THANK
1. 1 answer
2. asked by Lori
3. 836 views
What are the similarities and differences between functions and linear equations? How do you graph functions on a coordinate
1. 0 answers
2. asked by AR
3. 828 views
A student placed 14.0g of glucose (C6H1206) in a volumetric flask, added enough water to dissolve the glucose by swirling, then
1. 1 answer
2. asked by Christian Gillard
3. 824 views
How much heat is absorbed by a 2000 kg granite boulder as energy from the sun causes its temperature to change from 10c to 29c?
1. 2 answers
2. asked by Anonymous
3. 806 views
A sports car of mass 1300 kg (including the driver) crosses the rounded top of a hill (r = 86 m) at 23 m/s. Determine the normal
1. 1 answer
2. asked by Anonymous
3. 797 views
A job is shared by 4 workers, W, X, Y, and Z. Worker W does 1/4 of the total hours. Worker X does 1/3 of the total hours. Worker
1. 2 answers
2. asked by kenzie
3. 780 views
Solve using the multiplication principle. Don't forget to check.-x/2=8. Here is how I did the problem but I think it's wrong.
1. 2 answers
2. asked by B.B.
3. 764 views
The measures of the angles of a triangle are in the ratio 1:2:3. Find half the measure of the largest angle?
1. 1 answer
2. asked by Kurgi
3. 755 views
A student placed 14.0g of glucose (C6H1206) in a volumetric flask, added enough water to dissolve the glucose by swirling, then
1. 1 answer
2. asked by Christian Gillard
3. 749 views
what = it is a team sport played on icewho = people from all over the world come to play this sport when = it is played in
1. 10 answers
2. asked by Anonymous
3. 748 views
1.What is the meaning of the term "hip hop feminist"?2.Why are there no female voices in hip hop music today?
1. 1 answer
2. asked by Troy
3. 739 views
These questions are so confusing. So I was wondering what are each of the formulas to solve each question or what steps I need
1. 1 answer
2. asked by Mickey
3. 729 views
How many ways can you arrange 8 different crates on a shelf if they are placed from left to right?
1. 0 answers
2. asked by Shadow
3. 722 views
If 5.00 mL of HCl require 4.59 mL of 0.9581 M NaOH to just consume the HCl, what is the concentration of the HCl?
1. 3 answers
2. asked by Caryn
3. 716 views
A crate full of artichokes rests on a ramp that is inclined 10.0° above the horizontal. Give the direction of the normal force
1. 1 answer
2. asked by Max
3. 711 views
Order the following solids according to increasing lattice energy.HgI2, CdCl2, ZnCl2 Now I get how to sort of do it, but I do
1. 1 answer
2. asked by Josh
3. 709 views
A capacitor has square plates, each side a, making a small angle theta with each other. Determine the capacitance C in terms of
1. 0 answers
2. asked by Jiskha's Fan
3. 706 views
A swimming pool 20.0m *12.5 is filled with water to a depth of 3.5m. if the initial temperature of water is 18.4C how much heat
1. 1 answer
2. asked by Anonymous
3. 688 views
If 0.670mol of liquid Br2 and 460mL of 1.72M aqueous NaI are reacted stoichiometrically according to the balanced equation, how
1. 1 answer
2. asked by Lisa
3. 687 views
Which of the following materials would not be important to a protozoan?a) enzymes b) oxygen c) water d) blood e) carbohydrates
1. 2 answers
2. asked by sammi
3. 681 views
a standing wave oscillating at 115 Hz on a string. The distance d between the two walls equals 65 cm. What is the wave speed?
1. 2 answers
2. asked by deb
3. 680 views
Write the condensed structure for Methylpropyl etherWould it be C4H11O? CH3-O-CH3CH2CH3
1. 1 answer
2. asked by Kelly
3. 679 views
On June 1, Jason Thomas placed an announcement in The Local Journal offering a reward of $100 to anyone who found and returned
1. 0 answers
2. asked by IndyGirl
3. 677 views
When Clint began his pursuit, Sue was already 60 miles ahead. If Sue travels at 40 mph and Clint travels at 60 mph, how many
1. 1 answer
2. asked by Crystal
3. 675 views
A 542-g piece of copper tubing is heated to 89.5 degrees Celcius and placed in an insulated vessel containing 159 g of water at
1. 1 answer
2. asked by Courtney May
3. 670 views
An instrument store gives a 10% discount to all students off the original cost of an instrument. During a back to school sale an
1. 1 answer
2. asked by Arlene
3. 665 views

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