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Questions Asked on November 29, 2010

What is the pH of the solution formed when 0.040mol NaOH(s) is added to 2.00L of 0.020M HCl?
1. 4 answers
2. asked by IH
3. 1,753 views
A quadrilateral has angle measures of 71 degrees, 28 degrees, and 115 degrees. Which is the measure of the last angle?
1. 1 answer
2. asked by Nathan
3. 216 views
John's specialty store uses a perpetual inveentory system. the following are some inventory transaction for the month of may
1. 0 answers
2. asked by Marty
3. 813 views
You are asked to come up with a plan to improve racial and ethnic relations in your community. What would your plan include? How
1. 13 answers
2. asked by lakesha
3. 1,112 views
What did abraham lincoln do that was important for the thanksgiving celebration?
1. 2 answers
2. asked by Katherine
3. 520 views
The heat of vaporization of liquid water at 373 K is 40.7 kJ/mol. The value of the enthalpy change when 2.00 g of steam
1. 1 answer
2. asked by Anonymous
3. 2,554 views
In a Word document, write a narrative paragraph that uses dialogue. The paragraph should demonstrate your ability to use
1. 8 answers
2. asked by lakesha
3. 1,404 views
A beaker of mass 1.2 kg containing 2.1 kgof water rests on a scale. A 2.2 kg block of aluminum (of density 2700 kg/m3) suspended
1. 3 answers
2. asked by Sara
3. 1,980 views
Consider a gold sphere of mass 49 kg. Find its radius.
1. 1 answer
2. asked by ciara
3. 785 views
Find the values of the six trigonometric functions of the angle in standard position with the terminal side passing through the
1. 1 answer
2. asked by kp
3. 887 views
What was the main purpose of Truman's speecha)to frighten the soviet gobernment b)to make clear how the United States would
1. 2 answers
2. asked by Bread
3. 624 views
Two masses are suspended from a pulley as shown in the figure . The pulley itself has a mass of 0.30 kg, a radius of 0.20 m, and
1. 0 answers
2. asked by Garry
3. 863 views
Put this in order from begining to last associates degree 40 hour training bachelors degree cda degree or FCCPC associates
1. 2 answers
2. asked by Martha
3. 491 views
An electron in a hydrogen atom relaxes to the n= 4 level, emitting light of 138 THz .What is the value of for the level in which
1. 2 answers
2. asked by lorah hilpolep
3. 7,702 views
what are 3 consecutive positive even integers that the product of the second and third integers is twebnty more than ten times
1. 3 answers
2. asked by naicha
3. 581 views
does NOCL follow the octet rule
1. 1 answer
2. asked by olivia
3. 715 views
a 50kg object is suspended by a rope over a pulley which is connected to a large mass of 61.3kg. The mass rests on a 30 degree
1. 3 answers
2. asked by Anonymous
3. 676 views
A projectile is launched straight upwards at 45 m/s. Three seconds later, its velocity isA. 75 m/s B. 30 m/s C. 15 m/s D. zero
1. 2 answers
2. asked by Tracey
3. 1,613 views
A 2.800-g mineral sample was analyzed for its calcium carbonate, CaCO3, content by titrating it with hydrochloric acid (the
1. 1 answer
2. asked by Anonymous
3. 636 views
Which of the following equations does not represent an oxidation-reduction reaction?3Al + 6HCl → 3H2 + AlCl3 2NaCl + Pb(NO3)2
1. 2 answers
2. asked by Anonymous
3. 5,122 views
So I mixed 25 mL of 0.002 M KSCN and 25 mL of water in a beaker. The solution was clear with no precipitants.But then it says
1. 1 answer
2. asked by Ana
3. 417 views
Two spheres A and B, where A has twice the mas of B, are projected at the same horizontal velocity off the edge of two different
1. 1 answer
2. asked by Katie
3. 1,778 views
whats the gcf of 16 and 42 why
1. 1 answer
2. asked by kristi
3. 413 views
if the static coefficient of friction in the ice rink between the floor and the skater's shoes is .2, how much pushing force can
1. 2 answers
2. asked by beth
3. 531 views
Take the mass of the Earth to be 5.98 ×1024 kg. If the Earth’s gravitational force causes a falling 52 kg student to
1. 1 answer
2. asked by todd
3. 1,049 views
When dN= 3 ; H = 4.6 ; Do = 70 ; Dn=38 ; L=77,8Solve this : R= d + H Dn-Do -------------- 2L
1. 3 answers
2. asked by Reema
3. 733 views
Who did Truman promise to help?a)subjugated minorities b)armed resistance movemnts c)majorities whose freedom was threatened
1. 1 answer
2. asked by Bread
3. 350 views
Functions of the same famil have the same... (?) Can someone help with the answer??
1. 2 answers
2. asked by Adam
3. 311 views
Do you think the Truman Doctrine would be a good model for conducting American foreign policy today?Why or why not ?
1. 1 answer
2. asked by Bread
3. 524 views
12.5 g of KCl (MM = 74.55 g/mol) is dissolved in enough water to make 675 mL of solution. Calculate the molarity of the KCl
1. 1 answer
2. asked by Alex
3. 661 views
Suppose you roll a bowling ball at 2.5 m/s across the roof of a flat building. It leaves the edge and strikes the ground 2.0 s
1. 1 answer
2. asked by Katie
3. 2,459 views
RefrigeratorSuppose that you want to freeze 1.2 kg of water for a party, and only have 10 minutes to do it. Relying on nothing
1. 0 answers
2. asked by BG
3. 951 views
How do I figure out what ions are present in a compound? Is it as simple as separating the compound? Like HCl --> H+, Cl-
1. 2 answers
2. asked by Ana
3. 397 views
what is the gram formula mass of Li2SO4 ?
1. 1 answer
2. asked by Heather
3. 1,126 views
What are some similarities between the Wife of Bath's Tale and The Merchant's tale (by chaucer)?
1. 3 answers
2. asked by Anonymous
3. 1,453 views
a.)if a person is trying to throw and object with a mass of 2000kg, how much force must they use to lift it?b.) in throwing it,
1. 0 answers
2. asked by Anonymous
3. 887 views
a hydrated salt is a solid that includes water molecules within its crystal structure. a student heated a 9.10-gram sample of a
1. 8 answers
2. asked by Hank
3. 5,831 views
Two masses are suspended from a pulley as shown in the figure . The pulley itself has a mass of 0.30 kg, a radius of 0.20 m, and
1. 0 answers
2. asked by Stacy
3. 992 views
Explain how you can tell (without graphing it) that the rational functionr(x)= x^6 +10 / x^4+8x^2+15 has no x intercept and no
1. 1 answer
2. asked by Amanda
3. 632 views
a.)if a person is trying to throw and object with a mass of 2000kg, how much force must they use to lift it?b.) in throwing it,
1. 0 answers
2. asked by Anonymous
3. 391 views
Two dogs are pulling on opposite ends of a bone. One dog pulls to the right with a force of 50 N while the other pulls to the
1. 1 answer
2. asked by Jasper
3. 1,112 views
Suppose you roll a bowling ball at 2.5 m/s across the roof of a flat building. It leaves the edge and strikes the ground 2.0 s
1. 0 answers
2. asked by Tray
3. 997 views
18. Which of the following is not a ramification of too much or too little status in an organization?a. it inhibits
1. 0 answers
2. asked by alan
3. 691 views
if the diagonals of a rhombus is 12 and 16 what is the measure of a side of the rhombus 5,,20,10 square root 3
1. 1 answer
2. asked by Anonymous
3. 960 views
What fraction is 2/3 of 3/4 ?and 12-m = 5 2/3 ? Thank you for your help.
1. 3 answers
2. asked by jill
3. 298 views
wat is the rule forInput-1,2,3,4,5 Output-3,5,7,9,11
1. 1 answer
2. asked by Logan
3. 593 views
What features of the constitution make it flexible enough to apply to the nations today?
1. 0 answers
2. asked by Katherina
3. 435 views
A company issues a 10,000 par value 10-year bond with 8% annual coupon payments. If the yield rate is 6%, calculate the price of
1. 2 answers
2. asked by Kim
3. 1,406 views
The number S of ant species in K Cyn can be modeled by the function S = -0.000013E squared + 0.042E - 21 where E is the
1. 0 answers
2. asked by Sean
3. 448 views
-0.7(0.32 + 6x) = -3.3x
1. 1 answer
2. asked by Jasper
3. 334 views
A company issues a 6-year bond with a face value of 5,000 and semi-annual coupons payments of $275. If the yield rate is 7%,
1. 0 answers
2. asked by Kim
3. 455 views
what is the percent composition by mass of water in a compound with a gram formula mass of 4905 g/mol
1. 3 answers
2. asked by mike
3. 540 views
Suppose that you want to freeze 1.2 kg of water for a party, and only have 10 minutes to do it. Relying on nothing but your keen
1. 0 answers
2. asked by sarah
3. 574 views
what is the molecular mass of a solute if a solution containing 150 g of that soluteand 1.0 kg of water has a boiling point of
1. 1 answer
2. asked by dj
3. 524 views
A company issues a 6-year bond with a face value of 5,000 and semi-annual coupons payments of $275. Find the yield rate if the
1. 0 answers
2. asked by Kim
3. 530 views
a man builds a teepee in his back yard. the width of the teepee is 12ft. The height of the teepee is 8 feet. How long is the
1. 2 answers
2. asked by Joann Paynter
3. 460 views
hi. i'm confused so please help. thanks.9 - x/6 = 7(x+1)/13 multiple choice a. 6 b. 13 c. 11 d. 12 thank you again.
1. 1 answer
2. asked by Anonymous
3. 314 views
What features of the constitution make it flexible enough to apply to the nations today?
1. 2 answers
2. asked by Katherina
3. 471 views
A record player is spinning at 32 rpm when the motor is switched off. After 6.8 seconds the angular speed has decreased to 20
1. 0 answers
2. asked by emily
3. 1,115 views
The ka expression for HTe- is?
1. 1 answer
2. asked by IH
3. 619 views
What is the pH of the solution formed when 0.040mol NaOH(s) is added to 2.00L of 0.020M HCl?
1. 1 answer
2. asked by IH
3. 512 views
a room at the hamilton inn costs 104 dollars per night for two people there is a 19 dollar charge for an extra person write an
1. 1 answer
2. asked by miley
3. 500 views
using the expression you created above calculate the cost of the same family of four staying at the inn for 3 nights
1. 3 answers
2. asked by miley
3. 324 views
Does one mile = 5280 feet?
1. 1 answer
2. asked by jill
3. 883 views
What kinds of things are contained in a businesses terms and agreements pages?
1. 1 answer
2. asked by unknown
3. 448 views
Really need help on figuring out the formula for Iron Complex.The question was: 4.0 g of ferrous ammonium sulphate,
1. 1 answer
2. asked by Nika
3. 871 views
A graduated cylinder containing some air is immersed in water. The height between the the water surface and the top of the water
1. 0 answers
2. asked by mmeas
3. 946 views
What is the solution of this question.You are taking a science course in which there will be four tests, each worth 100 points.
1. 2 answers
2. asked by Desperately seeking help!!
3. 626 views
A kickball is kicked upward with an initial vertical velocity of 3.2 metersper second. The height of the ball is given by
1. 1 answer
2. asked by Jay
3. 791 views
An object is dropped from a hot-air balloon 1296 feet above theground. The height of the object is given by h=-16(t-9)(t+9)
1. 1 answer
2. asked by Jay
3. 991 views
You have 100.7 g of saccharin, a sugar substitute, and you want to prepare a pH = 5.80 solution. What volume of solution can be
1. 0 answers
2. asked by justin
3. 585 views
What mass of KOH is necessary to prepare 799.9 mL of a solution having a pH = 11.68?
1. 1 answer
2. asked by justin
3. 669 views
Calculate the pH of a 5.20 10-3 M solution of H2SO4.
1. 1 answer
2. asked by justin
3. 458 views
Calculate the pH of 3.9 10-8 M HNO3.
1. 1 answer
2. asked by justin
3. 739 views
A 0.20 M sodium chlorobenzoate (NaC7H4ClO2) solution has a pH of 8.65. Calculate the pH of a 0.19 M chlorobenzoic acid
1. 1 answer
2. asked by justin
3. 2,140 views
Translate to an inequality using the variable x.The number of people in the chess club is less than or equal to 21. Please let
1. 4 answers
2. asked by Desperately seeking help!!
3. 775 views
Steven has 9 gold coins that are identical in appearance. However, one coin is counterfeit an weighs slightly less that the
1. 2 answers
2. asked by Alejandro
3. 3,318 views
Please can someone tell me of any websites that can help me with algebra graphing, plotting, inequalities, and x & y intercept
1. 1 answer
2. asked by thawk
3. 543 views
A 7200 lb airplane lands on an aircraft carrier with a speed of 72 ft/s. The plane is caught by an elastic band (k=998 lb/ft)
1. 3 answers
2. asked by sandhu
3. 1,115 views
Use Opinion 5.07 and information from other research youconduct to find answers to the following questions. Explain each of your
1. 12 answers
2. asked by Huggins
3. 1,530 views
perform the indicated operations9-3[4-3(2)
1. 0 answers
2. asked by Annie
3. 388 views
what is the antonym of the word smooth
1. 3 answers
2. asked by paige
3. 233 views
can someone tell me how to get a division symbol when posting problems in Algebra
1. 1 answer
2. asked by Annie
3. 382 views
write the formula for the following chemical compounds1.Sodium sulfide 2.sulfur hexaflouride 3.Ammonium sulfate
1. 1 answer
2. asked by lisa
3. 554 views
Perform the indicated operations10 − 5[24 ÷ 6 ⋅ 2] 1
1. 1 answer
2. asked by Annie
3. 408 views
Which equation should be used to solve this problem?There is a number that is 8 less than the sum of 20 + 12. Find the number.
1. 1 answer
2. asked by Anonymous
3. 572 views
9 − 34 − 3(2)
1. 1 answer
2. asked by Annie
3. 255 views
which is an example of physical change1.water decomposing into hydrogen and oxygen 2.potassium and bromine combining to form
1. 2 answers
2. asked by jessica
3. 481 views
the formula H2O2 is an example of1.molecular formula 2. an empirical formula 3.an ionic formula 4.an organic formula
1. 3 answers
2. asked by tia
3. 3,273 views
What is the pH of a solution of vinegar, which is 5.00% (w/v) acetic acid (CH3COOH, Ka = 1.8 e-5).what is the % dissociation?
1. 1 answer
2. asked by cs
3. 927 views
A ball player wishes to determine her pitching speed by throwing a ball horizontally from an elevation of 3.0 m above the
1. 1 answer
2. asked by Trace
3. 762 views
a sled mass 50 kg is pulled along snow-covered, flat group. the static friction coefficent is 0.30, and the sliding friction
1. 3 answers
2. asked by Alex
3. 1,317 views
a flight attendant pulls her 75 N flight bag a distance of 325 m along a level airport floor at a constant velocity. the force
1. 1 answer
2. asked by Alex
3. 872 views
the total pressure of n2o4 and no2 IS 1.38 atm. if kp is 6.75(25 C) calculate partial pressure of NO2 in the mixture. 2NO2<--->
1. 5 answers
2. asked by anon
3. 1,169 views
A ball player wishes to determine her pitching speed by throwing a ball horizontally from an elevation of 3.0 m above the
1. 1 answer
2. asked by PLEASE HELP
3. 1,416 views
find the centroid of the region bounded by x^2-12x and the x-axis
1. 1 answer
2. asked by travis
3. 554 views
I need help putting my thesis into "parallel grammatical structure".Children should be limited on the amount of television they
1. 1 answer
2. asked by Kayla
3. 834 views
how do u change a ratio into a percent
1. 2 answers
2. asked by shannon
3. 186 views
When writing a paragraph, it is important that the topic sentence and supporting points within that paragraph be directly
1. 1 answer
2. asked by Keisga
3. 627 views
two partners in a business. one partner mortgaged business property to his co-partner for $15,000.00 at 12% a year interest. no
1. 1 answer
2. asked by martin sostre
3. 439 views

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