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2010
November
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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?
6 answers
asked by
IH
1,730 views
A quadrilateral has angle measures of 71 degrees, 28 degrees, and 115 degrees. Which is the measure of the last angle?
1 answer
asked by
Nathan
210 views
John's specialty store uses a perpetual inveentory system. the following are some inventory transaction for the month of may
1 answer
asked by
Marty
801 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
13 answers
asked by
lakesha
1,087 views
What did abraham lincoln do that was important for the thanksgiving celebration?
3 answers
asked by
Katherine
511 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
3 answers
asked by
Anonymous
2,539 views
In a Word document, write a narrative paragraph that uses dialogue. The paragraph should demonstrate your ability to use
9 answers
asked by
lakesha
1,382 views
A beaker of mass 1.2 kg containing 2.1 kg
of water rests on a scale. A 2.2 kg block of aluminum (of density 2700 kg/m3) suspended
4 answers
asked by
Sara
1,963 views
Consider a gold sphere of mass 49 kg. Find its radius.
2 answers
asked by
ciara
779 views
Find the values of the six trigonometric functions of the angle in standard position with the terminal side passing through the
2 answers
asked by
kp
875 views
What was the main purpose of Truman's speech
a)to frighten the soviet gobernment b)to make clear how the United States would
3 answers
asked by
Bread
604 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 answer
asked by
Garry
853 views
Put this in order from begining to last associates degree 40 hour training bachelors degree cda degree or FCCPC associates
3 answers
asked by
Martha
480 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
5 answers
asked by
lorah hilpolep
7,685 views
what are 3 consecutive positive even integers that the product of the second and third integers is twebnty more than ten times
4 answers
asked by
naicha
568 views
does NOCL follow the octet rule
2 answers
asked by
olivia
707 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
4 answers
asked by
Anonymous
663 views
A projectile is launched straight upwards at 45 m/s. Three seconds later, its velocity is
A. 75 m/s B. 30 m/s C. 15 m/s D. zero
4 answers
asked by
Tracey
1,602 views
A 2.800-g mineral sample was analyzed for its calcium carbonate, CaCO3, content by titrating it with hydrochloric acid (the
2 answers
asked by
Anonymous
624 views
Which of the following equations does not represent an oxidation-reduction reaction?
3Al + 6HCl → 3H2 + AlCl3 2NaCl + Pb(NO3)2
4 answers
asked by
Anonymous
5,106 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 answer
asked by
Ana
405 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
3 answers
asked by
Katie
1,760 views
whats the gcf of 16 and 42 why
1 answer
asked by
kristi
404 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
3 answers
asked by
beth
521 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
4 answers
asked by
todd
1,034 views
When dN= 3 ; H = 4.6 ; Do = 70 ; Dn=38 ; L=77,8
Solve this : R= d + H Dn-Do -------------- 2L
4 answers
asked by
Reema
723 views
Who did Truman promise to help?
a)subjugated minorities b)armed resistance movemnts c)majorities whose freedom was threatened
1 answer
asked by
Bread
341 views
Functions of the same famil have the same... (?) Can someone help with the answer??
3 answers
asked by
Adam
303 views
Do you think the Truman Doctrine would be a good model for conducting American foreign policy today?
Why or why not ?
1 answer
asked by
Bread
507 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
2 answers
asked by
Alex
650 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
4 answers
asked by
Katie
2,417 views
Refrigerator
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
1 answer
asked by
BG
944 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-
3 answers
asked by
Ana
385 views
what is the gram formula mass of Li2SO4 ?
2 answers
asked by
Heather
1,111 views
What are some similarities between the Wife of Bath's Tale and The Merchant's tale (by chaucer)?
4 answers
asked by
Anonymous
1,442 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 answer
asked by
Anonymous
880 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
9 answers
asked by
Hank
5,809 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 answer
asked by
Stacy
976 views
Explain how you can tell (without graphing it) that the rational function
r(x)= x^6 +10 / x^4+8x^2+15 has no x intercept and no
2 answers
asked by
Amanda
623 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 answer
asked by
Anonymous
382 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
2 answers
asked by
Jasper
1,097 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 answer
asked by
Tray
988 views
18. Which of the following is not a ramification of too much or too little status in an organization?
a. it inhibits
1 answer
asked by
alan
685 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
2 answers
asked by
Anonymous
949 views
What fraction is 2/3 of 3/4 ?
and 12-m = 5 2/3 ? Thank you for your help.
4 answers
asked by
jill
282 views
wat is the rule for
Input-1,2,3,4,5 Output-3,5,7,9,11
2 answers
asked by
Logan
583 views
What features of the constitution make it flexible enough to apply to the nations today?
1 answer
asked by
Katherina
425 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
4 answers
asked by
Kim
1,393 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 answer
asked by
Sean
438 views
-0.7(0.32 + 6x) = -3.3x
1 answer
asked by
Jasper
329 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 answer
asked by
Kim
444 views
what is the percent composition by mass of water in a compound with a gram formula mass of 4905 g/mol
4 answers
asked by
mike
526 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
2 answers
asked by
sarah
561 views
what is the molecular mass of a solute if a solution containing 150 g of that solute
and 1.0 kg of water has a boiling point of
2 answers
asked by
dj
514 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 answer
asked by
Kim
519 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
3 answers
asked by
Joann Paynter
449 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 answer
asked by
Anonymous
307 views
What features of the constitution make it flexible enough to apply to the nations today?
3 answers
asked by
Katherina
457 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 answer
asked by
emily
1,105 views
The ka expression for HTe- is?
2 answers
asked by
IH
611 views
What is the pH of the solution formed when 0.040mol NaOH(s) is added to 2.00L of 0.020M HCl?
1 answer
asked by
IH
492 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 answer
asked by
miley
484 views
using the expression you created above calculate the cost of the same family of four staying at the inn for 3 nights
4 answers
asked by
miley
316 views
Does one mile = 5280 feet?
2 answers
asked by
jill
867 views
What kinds of things are contained in a businesses terms and agreements pages?
1 answer
asked by
unknown
438 views
Really need help on figuring out the formula for Iron Complex.
The question was: 4.0 g of ferrous ammonium sulphate,
2 answers
asked by
Nika
857 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 answer
asked by
mmeas
938 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.
3 answers
asked by
Desperately seeking help!!
606 views
A kickball is kicked upward with an initial vertical velocity of 3.2 meters
per second. The height of the ball is given by
2 answers
asked by
Jay
779 views
An object is dropped from a hot-air balloon 1296 feet above the
ground. The height of the object is given by h=-16(t-9)(t+9)
2 answers
asked by
Jay
978 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
2 answers
asked by
justin
577 views
What mass of KOH is necessary to prepare 799.9 mL of a solution having a pH = 11.68?
3 answers
asked by
justin
649 views
Calculate the pH of a 5.20 10-3 M solution of H2SO4.
1 answer
asked by
justin
450 views
Calculate the pH of 3.9 10-8 M HNO3.
2 answers
asked by
justin
730 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
4 answers
asked by
justin
2,124 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
5 answers
asked by
Desperately seeking help!!
764 views
Steven has 9 gold coins that are identical in appearance. However, one coin is counterfeit an weighs slightly less that the
5 answers
asked by
Alejandro
3,303 views
Please can someone tell me of any websites that can help me with algebra graphing, plotting, inequalities, and x & y intercept
2 answers
asked by
thawk
533 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)
4 answers
asked by
sandhu
1,099 views
Use Opinion 5.07 and information from other research you
conduct to find answers to the following questions. Explain each of your
12 answers
asked by
Huggins
1,506 views
perform the indicated operations
9-3[4-3(2)
1 answer
asked by
Annie
375 views
what is the antonym of the word smooth
4 answers
asked by
paige
220 views
can someone tell me how to get a division symbol when posting problems in Algebra
1 answer
asked by
Annie
374 views
write the formula for the following chemical compounds
1.Sodium sulfide 2.sulfur hexaflouride 3.Ammonium sulfate
2 answers
asked by
lisa
543 views
Perform the indicated operations
10 − 5[24 ÷ 6 ⋅ 2] 1
1 answer
asked by
Annie
397 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.
2 answers
asked by
Anonymous
562 views
9 − 34 − 3(2)
1 answer
asked by
Annie
248 views
which is an example of physical change
1.water decomposing into hydrogen and oxygen 2.potassium and bromine combining to form
3 answers
asked by
jessica
471 views
the formula H2O2 is an example of
1.molecular formula 2. an empirical formula 3.an ionic formula 4.an organic formula
4 answers
asked by
tia
3,254 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?
2 answers
asked by
cs
916 views
A ball player wishes to determine her pitching speed by throwing a ball horizontally from an elevation of 3.0 m above the
2 answers
asked by
Trace
752 views
a sled mass 50 kg is pulled along snow-covered, flat group. the static friction coefficent is 0.30, and the sliding friction
4 answers
asked by
Alex
1,303 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
3 answers
asked by
Alex
854 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<--->
6 answers
asked by
anon
1,144 views
A ball player wishes to determine her pitching speed by throwing a ball horizontally from an elevation of 3.0 m above the
3 answers
asked by
PLEASE HELP
1,403 views
find the centroid of the region bounded by x^2-12x and the x-axis
2 answers
asked by
travis
535 views
I need help putting my thesis into "parallel grammatical structure".
Children should be limited on the amount of television they
2 answers
asked by
Kayla
823 views
how do u change a ratio into a percent
2 answers
asked by
shannon
179 views
When writing a paragraph, it is important that the topic sentence and supporting points within that paragraph be directly
2 answers
asked by
Keisga
608 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 answer
asked by
martin sostre
431 views
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