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2011
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April 11, 2011
Assuming the density of vinegar is 1.0 g/mL ' what is the molarity of vinegar? (use the percent by mass of acetic acid to
2 answers
asked by
Anonymous
5,542 views
HOW YOU PREPARE 30.0ML OF 0.800M HNO3 FROM A STOCK SOLUTION OF 4.OOM HNO3? WHAT SOLUTION IN ML OF THE 4.OOM HNO3 SOLUTION WILL
1 answer
asked by
SARAH
4,151 views
How many moles of carbon monoxide are needed to react completely with 1.75 moles of iron oxide? based on this equation:
3 answers
asked by
Jane
4,037 views
You have 500.0 mL of a buffer solution containing 0.30 M acetic acid (CH3COOH) and 0.20 M sodium acetate (CH3COONa). What will
1 answer
asked by
Nicole
3,638 views
Monochromatic light passes through two parallel narrow slits and forms an interference pattern on a screen. As the distance
4 answers
asked by
ashley --- HELP PLEASEE!!!
3,368 views
The formula T=2*pi*sqrt[L/32] gives the period of a pendulum of length l feet. The period P is the number of seconds it takes
2 answers
asked by
Gabi
3,324 views
Consider a window the shape of which is a rectangle of height h surmounted a triangle having a height T that is 1.3 times the
0 answers
asked by
Katrina
2,736 views
One handbook lists a value pKb= 9.5 for of quinoline,C9H7N , a weak base used as a preservative for anatomical specimens and to
1 answer
asked by
chips ahoy
2,636 views
A gardener wants to fence the largest possible rectangular area using 200 yards of fencing. Find the best length and width of
9 answers
asked by
math student 7
2,591 views
The area of a photograph is 15 square inches. If the width of the photograph is 3 inches, what is its length?
5 answers
asked by
Summer
2,534 views
find the volume of the region bounded by y=e^x, y=0, x=-1, x=1 rotated about the x axis
1 answer
asked by
Anonymous
2,232 views
A standardized test is designed so that scores have a mean of 50 and a standard deviation of 4. What is the probability that a
3 answers
asked by
wendy
1,819 views
A flask partially full of liquid water is heated to boiling and capped cold water is poured over the flask. The water boils even
1 answer
asked by
Noel
1,759 views
The sum of two squares of TWO consecutive even integers is 340. Find the integers.
2 answers
asked by
Alondra
1,699 views
In an Isosceles triangle, one angle is 16 degrees more than twice the measure of one of the equal angles. Find the measure od
1 answer
asked by
Valery
1,695 views
how to prepare 0.250l of 0.750 M HCL solution,startin with 2.00 M HCL solution. what volume in liter of 2.00m solution we need?
5 answers
asked by
Anonymous
1,665 views
A 32 g ball rolls around a 40 cm diameter L-shaped track, shown in the figure below, at 60 rpm. Rolling friction can be
0 answers
asked by
Anonymous
1,602 views
Analyze the extent to which TWO of the following influenced the development of democracy between 1820 and 1840.
-Jacksonian
1 answer
asked by
rocky
1,591 views
prediction is to explanation as _ is to _
1 answer
asked by
malik
1,560 views
A company purchased $4,000 worth of merchandise. Transportation costs were an additional $350. The company later returned $250
3 answers
asked by
ASH
1,550 views
Table salt has a solubility of 36 g of salt in 100 g of water at 40°C. If 15 g of the salt are added to 50 g of water at the
3 answers
asked by
David
1,542 views
a body oscillates with simple harmonic motion along the x axis. Its displacement varies with time according to the equation x =
2 answers
asked by
eugene
1,464 views
15.45 grams of solid potassium chlorate decomposes when heated to form potassium chloride and oxygen gas. assuming 100% yeild
1 answer
asked by
mary
1,431 views
A company just starting a business made the following four inventory purchases in June:
June 1 150 units $390 June 10 200 units
2 answers
asked by
Sah
1,417 views
The width of a rectangle is 25% of the length. The perimeter is 250 cm. Find the width and the length of the rectangle.
1 answer
asked by
Bianca
1,402 views
An isometry preserves distance.
True False true?
4 answers
asked by
danny
1,383 views
Two shuffleboard disks of equal mass, one orange and the other yellow are involved in a
perfectly elastic glancing collision. The
0 answers
asked by
alya
1,368 views
Find an equation of aline that is tangent to the curve f(x)+2cos3x and whose slope is a maximum?? Pleasee help!!
1 answer
asked by
Sima
1,367 views
Consider a window the shape of which is a rectangle of height h surmounted a triangle having a height T that is 1.3 times the
4 answers
asked by
Katrina
1,356 views
IF THERE ARE 24 GIRLS IN THE CLASS HOW MANY BOYS ARE THERE IN THE CLASS Y=3/8X
1 answer
asked by
Nadia
1,312 views
What is a Chaser Solvent?
1 answer
asked by
Amandla
1,278 views
to find all individuals whose name is Tom or tim, enter______ in the criteria row of the appropriate column.
a. T?m B.T#m C.T$m
1 answer
asked by
nastassia
1,268 views
To the nearest order of magnitude, how many times greater than the speed of sound is the speed of light?
104 106 1010 1012
2 answers
asked by
ashley --- HELP PLEASEE!!!
1,268 views
For x ∈ [−12, 10] the function f is defined by
f(x) = x7(x + 1)4 On which two intervals is the function increasing (enter
1 answer
asked by
chelsea
1,267 views
In the book The devil's arithmetic, what are two symbols?
1 answer
asked by
mickey
1,247 views
A particular vinegar is found to contain 5.8% acetic acid,CH3COOH , by mass.
What mass of this vinegar should be diluted with
1 answer
asked by
papermate
1,222 views
the width of a rectangle is 25% of the length. The perimeter is 250 cm. Find the width and the length of the rectangle. (length
1 answer
asked by
Valery
1,218 views
What is a10 for the sequence (an) = 1 + 3 (n - 1)? i go 28 is that correct?
What is a7 for the sequence an = 2 + 5(n - 1)? i got
2 answers
asked by
jianna
1,217 views
A friend offers you the following game: You will roll 2 fair dice. If the sum of the two numbers obtained is 2,3,4,9,10,11,or 12
2 answers
asked by
Sarita
1,213 views
matrix{{0, 1, -1}, {2, 1, 3}, {1, 1, 1}} matrix{{1, -1, x}} matrix{{0}, {1}, {1}}=0
Find the value of x Don't give me the direct
1 answer
asked by
Akash
1,174 views
Discuss the universal functions of marketing and those functions that would apply to the products/services provided by a
0 answers
asked by
ak
1,167 views
a stack of seven identical aluminum blocks, each of length l = 17.1 cm
and thickness d = 1.8 cm, stacked on a table. (a) How far
1 answer
asked by
I need help please!!
1,149 views
Lets try this one last time
What is the value for the numerals with letters: 245,189 2=a 5=b 8=c
1 answer
asked by
JORDAN
1,109 views
How many ordered pairs (x, y) of counting numbers (x = 1, 2, 3, · · · , and y = 1, 2, 3, · · ·) satisfy the equation x +
3 answers
asked by
Ladoo
1,096 views
Determine the heat of combustion of acetylene (C2H2).
0 answers
asked by
HELP
1,084 views
Determine the heat of combustion of acetylene (C2H2).
0 answers
asked by
HELP
1,065 views
A 625mL sample of an aqueous solution containing 0.275 mol propionic acid (CH3CH2CO2H),has [H30+]= 0.00239M.
What is the value of
3 answers
asked by
papermate
1,035 views
how would I make a tslly table for the number of students in th third, fourth, and fifth-grade classes: 26, 25, 27, 27, 26,28,27
2 answers
asked by
Jake
1,033 views
Solve the initial value problem
(dx/dt)+2x=cos(2t) with x(0)=5
1 answer
asked by
chris
986 views
A town has a population of 8400 in 1990. Fifteen years later, its population grew to 12500. Determine the average annual growth
2 answers
asked by
Tony
979 views
Calculate how many grams of Cu are needed to produce 15L of NO(g). Please help
1 answer
asked by
Alyssa
960 views
I need this by tomorrow morning,if possible.
Describe one of the contemporary models of health from another country, and explain
1 answer
asked by
Flora
951 views
Harry planned a rectangular garden that was 40 feet long and 10 feet wide
1.What was the perimeter,in feet,of the garden that
12 answers
asked by
Frances
942 views
a certain company makes inflatable swimming pools that come in four rectangular sizes.the length of each pool is twice the width
0 answers
asked by
bianca
913 views
Consider a window the shape of which is a rectangle of height h surmounted a triangle having a height T that is 1.3 times the
2 answers
asked by
Katrina
910 views
can you explain the history of northwest coast native art?
2 answers
asked by
kim
908 views
He asked me a question.
He asked a question of me. He begged me a question. He begged a question of me. He inquired me a
3 answers
asked by
rfvv
897 views
Using a t test for dependent means based on .05 significance level, what is the power of each studies.
Study Effect size N Tails
1 answer
asked by
chuckris
883 views
What are the pros and cons of textbook social studies learning?
2 answers
asked by
Julie
882 views
If x^2+bx+c is factorable and c is negative, then the signs of the last term factors of the binomials are opposite, why?
I
0 answers
asked by
Amy L
869 views
A bag holds 8 yellow marbles and 5 orange marbles.How many and what color marbles would you add to the bag so that the
1 answer
asked by
kyara Vargas
866 views
b) A ball of mass 3.5 kg starts from rest and slides down a rough inclined plane 60 cm long
in 0.6 s. i) Calculate the net force
1 answer
asked by
mimi
859 views
A door, essentially a uniform rectangle of height 2.00 m, width 0.78 m, and weight 136.0 N, is supported at one edge by two
0 answers
asked by
kim...I need help please!!
843 views
The pew research center recently polled n=1048 u.s. drivers and found that 69% enjoyed driving their cars.
In 1991 a poll
0 answers
asked by
nikki
842 views
There are 24 people in my class. Four of the don't play sport, 14 play volleyball and 11 play hockey. How may people play
2 answers
asked by
dhruv
839 views
1.Which one is correct?
Tocamos el piano. Jugamos el piano. Tocamos al piano. I think it is the Tocamos el piano because if it
2 answers
asked by
Melissa
833 views
hOW MANY POSSIBLE STEREOISOMERS DOES MENTHOL HAVE ?
0 answers
asked by
JAM
830 views
What would be the mass of a bag of anhydrous magnesium sulfate, MgSO4, if it contained the same amount of magnesium as a 1.00kg
1 answer
asked by
Jess
828 views
what is the difference between a meteor and a meteorite?
4 answers
asked by
nicole
828 views
Determine the heat of combustion of acetylene (C2H2).
1 answer
asked by
HELP
814 views
A copper sheet of thickness 2.01 mm is bonded to a steel sheet of thickness 1.07 mm. The outside surface of the copper sheet is
3 answers
asked by
help me please:-(( Urgetnt
811 views
2cos(theda)-"2=0
0 answers
asked by
coal
802 views
A region is bounded by the function y=2x^2+3 and the x-axis over the interval(0,2). Sketch the graph of the bounded region. Use
1 answer
asked by
Anonymous
793 views
ROH + TsCl + pyridine ----> R-OTs + Cl:
For the reaction, what is the function of pyridine? The pyridine is on top of the arrow
0 answers
asked by
Jules
779 views
Can you please check the following story, especially the part included in brackets.Thank you very much.
1) Someone had stolen a
1 answer
asked by
Mike1
773 views
Find each unit price and tell which is the better buy.
A 1/2-pound hamburger for $3.50 ; a 1/3-pound hamburger for $3.25
2 answers
asked by
Amy
769 views
A trapdoor on a stage has a mass of 20.8 kg and a width of 1.51 m (hinge side to handle side). The door can be treated as having
0 answers
asked by
HELP..HELP!!!!!
757 views
Solve the initial value problem
10(t+1)(dy/dt)+9y= 9t for t > -1 with y(0)=15
1 answer
asked by
Lisa
748 views
how do you find 1/4 of 48
2 answers
asked by
joshua
747 views
Given that the Ka of benzoic acid is 6.50 x 10-5, how would one prepare 0.500 L of a benzoic acid/sodium benzoate buffer of a
1 answer
asked by
Mike
740 views
Consider a window the shape of which is a rectangle of height h surmounted a triangle having a height T that is 1.3 times the
0 answers
asked by
Katrina
715 views
2-2
1 answer
asked by
Chelsey
713 views
The pH of saturated is found to be 13.12. A 15.0mL sample of saturated Sr(OH)2 is diluted to 250.0mL in a volumetric flask. A
1 answer
asked by
chips ahoy
711 views
Can you please check these sentences for me? Thank you very much.
1) Storm wants to borrow Rob's bicycle pump because she wants
1 answer
asked by
Mike1
708 views
For a class demonstration, your physics instructor pours 1.16 kg of steam at 100.0°C over 4.69 kg of ice at 0.0°C and allows
1 answer
asked by
help me please
693 views
15 ml of 0.5 M of HCl is added to a 100 ml sample of 0.2 M HNO2 (Ka for HNO2= 4.0 x 10^(-4)). What is the equilibrium
0 answers
asked by
GK
692 views
Two shuffleboard disks of equal mass, one orange and the other yellow are involved in a
perfectly elastic glancing collision. The
0 answers
asked by
alya
691 views
3.Using the curve that you constructed for the decomposition of Carbon 14, find the age of a prehistoric cave painting
0 answers
asked by
Pera
691 views
simplify: 1. a^2b^-3 2. (5/3)^-3 3. (a^2b^0c)^0 4. x^-2y^3 5. 3x^-2 6. n^2/n^-3 please help!!
2 answers
asked by
tim
690 views
In a triangle, one angle is twice the measure of the second angle. The third angle is three times the measure of the second
1 answer
asked by
Valery
690 views
What is the de Broglie wavelength of a proton that has a mass of 9.11 x 10^-31kg and travels a distance of 13km in 0.025 s?
4 answers
asked by
Sapphire
685 views
I included my doubts in brackets. I really hope you can check them, too.
1)Mary uses the internet mainly to carry out school
1 answer
asked by
Mike1
683 views
i read this book named abduction and my home work is to write a poem about it but the problem is i don't know how to write poem
?
1 answer
asked by
ross
670 views
The state of Confusion enacted a statute requiring all trucks and towing trailers that use its highways to use a B-type truck
1 answer
asked by
Kimbry
668 views
if anyone has the answers to exam 00382900 Facilities and staff. I would like you to review my answers. I can't post all of the
4 answers
asked by
Heather
666 views
The pew research center recently polled n=1048 u.s. drivers and found that 69% enjoyed driving their cars.
In 1991 a poll
1 answer
asked by
nikki
665 views
given;n+8(n+20)=110
1;n+8n+20=110 2;9n+20=110 3;9n=110-20 49n=90
2 answers
asked by
peter
657 views
How is this hormones regulated: hypothlamus/pituitary axis, nervous system,feedback inhibition indicate which?
1. Follicle
1 answer
asked by
ivy
656 views
please help.. i really need the answer as soon as possible..
Two shuffleboard disks of equal mass, one orange and the other
1 answer
asked by
irna
655 views
A bridge is 40.0 m. A car weighs 1.5 x 10^4 N and it is parked with its center of gravity located 12.0 meters from the right
1 answer
asked by
Hester
655 views
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