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2012
April
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April 20, 2012
A solution household bleach contains 5.25% NaClO, by mass. Assuming that the density of bleach is the same as water(1.0g/ml).
2 answers
asked by
Katherine
7,378 views
Calculate the concentrations of all species in a 0.810 M Na2SO3 (sodium sulfite) solution. The ionization constants for
6 answers
asked by
Katherine
5,547 views
When membership in an organization allows for a reductions in the price of museum tickets, it is called a
a) purposive benefit b)
1 answer
asked by
tina
3,641 views
Design a program that lets the user enter the total rainfall for each 12 months into an array. The program should calculate and
2 answers
asked by
javane
3,207 views
For the average person that is still growing, the rate of change in weight W (in pounds) with respect
to height h (in inches) is
1 answer
asked by
Marie
2,681 views
sin^4t-cos^4t/sin^2t cos^2t= sec^2t-csc^2t
i have =(sin^2t+cos^2t)(sin^2t+cos^2t)/sin^2tcos^2t then do i go
1 answer
asked by
Josh
2,628 views
A 1.2 m diameter wagon wheel consists of a thin rim having a mass of 11 kg and six spokes, each with a mass of 1.1 kg. Find the
1 answer
asked by
Amber
2,577 views
A cube of ice is taken from the freezer at -8.8°C and placed in a 103 g aluminum calorimeter filled with 321 g of water at room
3 answers
asked by
John
2,526 views
Consider the rxn during the Haber Process:
N2 + 3H2 ---> 2NH3 The equilibrium constant is 3.9 x 10^(5) at 300 K and 1.2 x 10^(-1)
2 answers
asked by
John
2,342 views
Benzene has the empirical formula CH and an experimental molar mass of 78 g/mol. What is its molecular formula? Explain how you
4 answers
asked by
Brittney
1,972 views
Benedict's reagent is used for detecting reducing sugars because _________.
the —OH groups are exchanged for hydrogens. the
1 answer
asked by
krystal
1,709 views
Area A sequence of smaller squares is formed by connecting the midpoints of the sides of a larger square.
(a) If the area of the
2 answers
asked by
nick
1,704 views
Our professor just told us that the final exam will be the ACS exam, we are taking general Chemistry II. What is the best way to
4 answers
asked by
Mima
1,509 views
A jar consists of 21 sweets, 12 are green and 9 are blue. William picked 2 sweets at random. Find the probability that both
1 answer
asked by
jenny
1,484 views
calculate the amount of heat energy in joules to condense 125g of steam at 100 degrees celcius and cool to the liquid to 15
1 answer
asked by
Kimberly
1,461 views
An electron is located on a pinpoint having a diameter of 2.04 µm. What is the minimum uncertainty in the speed of the
1 answer
asked by
na
1,407 views
C6H5COOH(aq) + NO2-(aq) <=> C6H5COO-(aq) + HNO2(aq)
A table of ionizations is given to calculate the equilibrium constant for
2 answers
asked by
Katherine
1,394 views
What is the theoretical yield of ethyl chloride in the reaction of 20.2 g of ethylene with 53 g of hydrogen chloride? (For
1 answer
asked by
Anonymous
1,365 views
Steel railroad tracks of length L = 18.30 m are laid at 10.0° C. How much space should be left between the track sections if
2 answers
asked by
Amy
1,339 views
A researcher wishes to estimate the proportion of college students who cheat on exams. A poll of 490 college students showed
2 answers
asked by
Bridget
1,330 views
A swimming pool circular in shape has its distance around 282.74 ft, what is the area?
in cm^2 in in^2 in m^2 TIA
1 answer
asked by
kilkaru
1,310 views
Use the function to answer the question.
f(x)=1/4-x For what value in the domain is the function undefined? Explain your answer.
2 answers
asked by
Nicole
1,283 views
Take an 8.5 by 14-inch piece of paper and cut out four equal squares from the corners. Fold up the sides to create an open box.
1 answer
asked by
Anonymous
1,224 views
Find the derivative
1. y = e^xSin²x 2. y = (x³+1)e^-4 3. y = x²e^Sinx
4 answers
asked by
Anonymous
1,224 views
If all of the diagonals are drawn from a vertex of a quadrilateral, how many triangles are formed?
2 answers
asked by
nicole
1,208 views
I need to find the distance between two points, (6,-3) and (-1,4).
d = sqrt[(x2-x1)^2 + (y2-y1)^2)] I got that down to the sqrt
2 answers
asked by
Tabby
1,204 views
when paid staff conduct most of the daily business of a group, that group is best described as a
a) PAC b) free-rider group c)
1 answer
asked by
tina
1,201 views
You have 27 tuning forks that oscillate at close but different frequencies. What are the (a) maximum and (b) minimum number of
0 answers
asked by
M
1,177 views
"Only two forces act on an object (mass = 3.90 kg), as in the drawing. (F = 76.0 N.) Find the magnitude and direction (relative
4 answers
asked by
Allie
1,167 views
URGENT! How do you calculate for marginal cost against fixed cost. E.g., a company produces 2 pairs of shoes at $390.00. If it
0 answers
asked by
Garnett
1,163 views
If a circular space station has on outside radius of 750Km, how fast must the space station rotate in order to give an astronaut
0 answers
asked by
Ernest
1,158 views
A _______________ is the best example of an informational benefit provided by many interest groups.
a) travel discount b) free
1 answer
asked by
tina
1,153 views
Given the following information:
Ni(OH)2(s) Ni2+(aq) + 2 OH (aq) Ksp=6.0 x 10 16 H2O(l) H+(aq) + OH (aq) Kw=1.0 x 10 14 What is
1 answer
asked by
Frank
1,149 views
Consider a wheel (solid disk) of radius
0.748 m, mass 16 kg and moment of iner- tia 1/2 MR^2 . The wheel rolls without slipping
1 answer
asked by
Amber
1,145 views
N2+3H2=2NH3
Assume 0.150 mol of N2 and 0.477 mol of H2 are present initially. After complete reaction, how many moles of ammonia
1 answer
asked by
Jenn
1,134 views
A rectangular container measuring 28 cm 43 cm 58 cm is filled with water. What is the mass of this volume of water in kilograms
2 answers
asked by
Anonymous
1,122 views
The length l of a simple pendulum is about 0.5m, and can be measured within 1mm. what accuracy is required in the measurement of
3 answers
asked by
ridhi
1,119 views
find equivalent fractions with a common denominator and order from least to greatest.1/2 4/9 4/18
2 answers
asked by
kaitlen
1,093 views
express the third root of(8a^3y^5) using rational exponents.
Please show your work!
2 answers
asked by
tabby
1,087 views
What are the realistic and appropriate ways to deal with drug addiction?
1 answer
asked by
Karabo
1,069 views
A 40N force applied at an angle of 37 degrees above the horizontal pulls a 5kg box on a horizontal floor. the acceleration of
1 answer
asked by
ali
1,066 views
In 1999, chemists working for the Air Force Research
Laboratory reported that they had produced a compound containing an unusual
0 answers
asked by
aydin
1,048 views
Find the solution to the following recurrence:
an=3an−1+7 for n2 with initial conditions a0=7
1 answer
asked by
cjones
1,025 views
Benedict's reagent is used for detecting reducing sugars because _________.
the —OH groups are exchanged for hydrogens. the
1 answer
asked by
krystal
999 views
"Only two forces act on an object (mass = 3.90 kg), as in the drawing. (F = 76.0 N.) Find the magnitude and direction (relative
2 answers
asked by
Allie
998 views
Let R be the region bounded by the y-axis and the curves y = sin x and y = cos x. Answer the following.
a)Find the exact area of
1 answer
asked by
ronnieday
991 views
A jar consists of 21 sweets, 12 are green and 9 are blue. William picked 2 sweets at random. Find the probability that both
1 answer
asked by
jenny
982 views
Please help to perfect my grammar, lot of confusion and trouble, please help me.
Now usage of "complains of" and "complaints of"
1 answer
asked by
baby
980 views
A nickel is tossed 20 times in succession. Every time the nickel comes up heads, a dime is tossed, Let X count the number of
1 answer
asked by
Anonymous
971 views
Area formula for a circle
1 answer
asked by
Anonymous
963 views
How did George Kennan’s containment doctrine change during the Truman, Eisenhower and Kennedy administrations? Which president
0 answers
asked by
Brittney
961 views
Continue these decimal patterns
a) 1,0.5,0.3,0.25,0.2,--- ,----,-----. b) 0,0.5,0.6,0.75,0.8,0.83,----,---,---
1 answer
asked by
RS
958 views
What is the percent yield if 23.5 of ethyl chloride is actually formed?
1 answer
asked by
Anonymous
939 views
How many different ways can the letters in the word COMBINATIONS be arranged if the letter C is first and the letter S is last?
T
1 answer
asked by
Cindy
931 views
How many molecules are in 1.60 g of SO2?
Answer in units of molec
2 answers
asked by
luke
885 views
The chemical reaction N2(g) + 3 H2(g) ↔ 2 NH3(g) is at equilibrium. An experimenter injects a small amount of N2 into the
1 answer
asked by
Anonymous
878 views
need extra classes for my son grade2
Parsons Hill Primary school
1 answer
asked by
Queen
862 views
i need to graph the polar equation
2 = r cos (theta + 180) on one of the graphs that looks like a flattened globe. So far I have
2 answers
asked by
Tabby
850 views
Find the solution to the following lhcc recurrence:
an=3nan−1 for n2 with initial conditions a0=4.
1 answer
asked by
cjones
849 views
I need an accurate translation for this: "Two accusation people make of Americans is that we are lazy and spoiled. This is an
1 answer
asked by
Evaline
836 views
i still don't get surface area!
2 answers
asked by
Celest
835 views
a bar is pushed so that it slides across the floor. how far will it go, given the coefficient of kinetic friction is 0.25, and
1 answer
asked by
krag
831 views
Suppose an electron was bound to a proton as in the hydrogen atom, but by the gravitational force rather than by the electric
0 answers
asked by
Katie
799 views
Over the last 30 years in the United States, the realprice
of a college education (i.e., after adjusting for inflation) has
1 answer
asked by
Joanne
777 views
keep in mind answers should be pi radians or if necessary 3 dec.
csc^2-2=0 all angles 4cos^2x-4cosx+1=0 all angles and name 8
2 answers
asked by
Amanda
775 views
Why was Toussaint L' Ouverture important to Haiti?
Answer - He was a leader of the slave revolt in Haiti. am i correct????? if im
5 answers
asked by
Laruen
766 views
Note: Object not drawn to scale
If X = 3 inches, Y = 10 inches, W = 4 inches, and Z = 5 inches, what is the area of the object?
2 answers
asked by
Anonymous
752 views
What is the theoretical yield of ethyl chloride in the reaction of 20.2 of ethylene with 53 of hydrogen chloride? (For ethylene,
1 answer
asked by
Anonymous
742 views
In my other post I wrote
"I'm have other 3 that I want you to check to see if they are correct. BTW - I have one more question I
11 answers
asked by
Laruen
729 views
Can you please tell me where I can interview homeowners, will they agree if its for school purpose?
Thank you!
2 answers
asked by
Layal
729 views
Snoopy is in his plane, 4500 ft above ground. he fires a projectile straight up. The Vo of the projectile is 340 ft/s. (after
2 answers
asked by
Rachelle
721 views
Questions 2-3 refer to : 〖KClO〗_3 + C_6 H_12 O_6 = KCl + 〖CO〗_2 + 〖H〗_2O?
2. Balance the equation. How many mole of
1 answer
asked by
jhong
720 views
In which data set is there evidence of a strong nonlinear relationship between the two variables?
1 answer
asked by
cc
718 views
In 1989, the Detroit Free Press and Detroit Daily News (the only daily
newspapers in the city) obtained permission to merge under
0 answers
asked by
Tiffany
718 views
suppose a board is 9 meters long how many centimeters long is it
1 answer
asked by
Anonymous
708 views
Devin attempted to solve the inequality -2x+6>10 following the steps below:
•subtract 6 from both sides of the inequality.
1 answer
asked by
Nicole
707 views
Please prepare the following journal entries. Indicate which account should be debited and which account should be credited
0 answers
asked by
Anne
703 views
Why were Hoosiers divided over the issues of slavery and loyalty before the Civil War?
1 answer
asked by
Alex
695 views
write a payroll program that promt a user to enter his name,hourly rate,working hours in the week and display the amount earning
3 answers
asked by
Anonymous
689 views
Roger wants to carpet a rectangular room with the length of 8 ¾ feet and a width of 9 1/3 feet. If he has 85 square feet of
1 answer
asked by
Fred
688 views
Our professor just told us that the final exam will be the ACS exam, we are taking general Chemistry II. What is the best way to
1 answer
asked by
Mima
687 views
A uniform disk with a mass of 130 kg and a radius of 1.2 m rotates initially with an angular speed of 950 rev/min. A constant
2 answers
asked by
Amber
686 views
Suppose that an object is thrown down towards the ground from the top of the 1100-ft tall Sears
Tower with an initial velocity of
2 answers
asked by
Marie
686 views
A Gaseous mixture contains 4.08g of oxygen and 2.78g of Nitrogen
a)What pressure is exerted by the mixture inside a 100.0ml metal
1 answer
asked by
cc
685 views
Describe President Reagan’s foreign policy goals and summarize several of the major, specific actions he took to meet those
1 answer
asked by
Brittney
684 views
write the polar eqaution
3 = r cos (theta - 315) in rectangular form.
2 answers
asked by
tabby
680 views
tom had 8 pieces of pizza, tom ate one. How much is left
2 answers
asked by
bob
676 views
Here are other sentences I need to check. I really hope you can check them, Writeacher.
1) blamed my friend Peter for breaking
1 answer
asked by
Matthew
673 views
Hello,
I have data here: tube # Contents Initial color (after 2 drops of universal indicator) Color after adding HCl Color after
2 answers
asked by
Confused
651 views
how do we find the surface area?
top: bottom: right: left: front: back: its still hard when we i find the surface area of a
1 answer
asked by
Celest
649 views
calculate the volume in ml of 0.250 M silver nitrate solution required to react completely with a 5.00 g piece of copper
1 answer
asked by
No
643 views
Solve the equation. If necessary, round to the nearest thousandth.
5(2x-1)=10
1 answer
asked by
Christina
640 views
Determine the derivative of each function
A1) y = e^x(Sin²x) A2) y = e²Sin²x B1) y = (x³ + 1)e^-2 B2) y = (x² + 1)e^-2 C) y
5 answers
asked by
Julie
637 views
What is the regular verb or verb phrase in these sentences.
Most other children received lessons from home. Today, students
5 answers
asked by
KATHY☺☻
630 views
How was the civil rights movement of the 1950s and 1960s a continuation of the Reconstruction-era struggle for blacks to achieve
1 answer
asked by
Brittney
625 views
ms. sue you please help me with story questions? if you have time then this be story
Field of Broken Dreams by Sharon Butala My
10 answers
asked by
Mohammad
616 views
Which equation shows an exact computation?
A. 12/7 = 1.714 B. 2π = 44/7 C. 22/7x14 = 44 D. 2√2 = 2.818 And if possible, could
4 answers
asked by
Nicole
613 views
What is the theoretical yield of ethyl chloride in the reaction of 20.2 of ethylene with 53 of hydrogen chloride?
1 answer
asked by
Anonymous
610 views
What is the volume of
2.8 × 10^6 molecules He? Answer in units of L
3 answers
asked by
luke
599 views
calculate the volume in ml of 0.250 M silver nitrate solution required to react completely with a 5.00 g piece of copper
1 answer
asked by
No
593 views
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