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Questions Asked on January 22, 2011

On a rectangular piece of cardboard with perimeter 11 inches, three parallel and equally spaced creases are made. The cardboard
1. 3 answers
2. asked by Valerie
3. 7,014 views
Refer to the net ionic equation below to answer the following questions:Co(H2O)6^+2 + 4Cl- <==> CoCl^-2 + 6H2O 1. In what
1. 3 answers
2. asked by Sharon
3. 3,339 views
find the measure of an angle whose supplement measures two times its measure
1. 2 answers
2. asked by Help
3. 3,246 views
The main purpose of a peer review committee is to A. identify activities that suggest guidelines aren’t being followed. B.
1. 1 answer
2. asked by COLLINS
3. 2,339 views
Can someone please check my work?Calculate the mass of (NH4)2S2O8 needed to prepare 250mL of a 0.100M solution. I got 5.705 g.
1. 1 answer
2. asked by Rachel
3. 2,312 views
two point charges, Q1=-25microcoulomb and Q2=+50 microcoulomb, are separated by a distance of 12 cm. the electric field at the
1. 2 answers
2. asked by fara
3. 2,127 views
Groundwater in Pherric, New Mexico, initially contains 1.800 mg/L of iron as Fe3+. What must the pH be raised to in order to
1. 1 answer
2. asked by Jazmin
3. 1,979 views
For each of the following situations, indicate whether FIFO, LIFO, or weighted average applies.a. In a period of rising prices,
1. 1 answer
2. asked by Monty Douglas
3. 1,926 views
A chemical is placed in a beaker containing 20 g of soil and 500 mL of water. At equilibrium, the chemical is found in the soil
1. 2 answers
2. asked by Jazmin
3. 1,609 views
Consider:C6H12)6 + 6O2-> 6CO2 + 6H2O + Energy a)If I have 90 grams glucose and all is consumed by oxygen, then how many grams of
1. 3 answers
2. asked by Lindsey
3. 1,569 views
In a chemical reaction, exactly 2 mol of substance A react to produce exactly 3 mol of substance B2A ---> 3B How many molecules
1. 1 answer
2. asked by Mark
3. 1,507 views
A Spring of force constant 300N/m is compressed such that its length shortens by 3cm. calculate the energy stored in the
1. 1 answer
2. asked by Ochuko
3. 1,467 views
The perimeter of a rectangular lot is 190 ft. The width of the lot is 15 ft more than the length. What are the dimensions of the
1. 1 answer
2. asked by Lima
3. 1,426 views
a very small gas bubble seen in a microscope has a diameter of 1 micrometer. If the pressure is one bar and the temperature is
1. 2 answers
2. asked by emoni
3. 1,336 views
What is the force of gravity at 220 miles above Earth's surface? Calculate how much of a g force the astronauts are actually
1. 4 answers
2. asked by John
3. 1,299 views
In what ways has the development of agriculture advanced our way of life?
1. 3 answers
2. asked by Betty
3. 1,263 views
A mass suspended on a spring will exhibit sinusoidal motion when it moves. If the mass on a spring is 85cm off the ground at its
1. 1 answer
2. asked by stephy
3. 1,213 views
Write a program that inputs (from the user) the number of hours worked and hourly pay rate for employees and outputs their total
1. 2 answers
2. asked by Geno
3. 1,200 views
One liter of a gas mixture at 0 degree Celsius and 108.26 kPa contains 250 mg/L of H2S gas. Calculate the partial pressure
1. 2 answers
2. asked by Jazmin
3. 1,186 views
A consumer agency wanted to investigate if four insurance companies differed with regard to the premiums they charge for auto
1. 0 answers
2. asked by Jennifer
3. 1,167 views
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. The blue car accelerates
1. 2 answers
2. asked by Jeel
3. 1,160 views
A 4.0 kg gold bar at 97C is dropped into 0.27 kg of water at 22C.What is the final temperature? Assume the specific heat of gold
1. 1 answer
2. asked by sarah
3. 1,157 views
Water has an equilibrium vapor pressure of 23.8 mm Hg at 25 C. If 1.00 g H2O is sealed in a 20 L flask, what mass will remain in
1. 1 answer
2. asked by daniel
3. 1,153 views
We encounter a large number of waves every day without realizing it. One such source is radio waves. A typical frequency for
1. 1 answer
2. asked by Maria
3. 1,150 views
Which of the following constants are needed to calculate the change in enthalpy (�H) for heating a sample of liquid water at 10C
1. 4 answers
2. asked by Bob
3. 1,100 views
if this are class scores and in one week i have bimodal distribution,another week a positive skew,3rd week a normal distribution
1. 0 answers
2. asked by frances
3. 1,091 views
Alexander, a fifth grade teacher, believes that Kimberly's behavior is a result of poor parenting. The school counselor is
1. 5 answers
2. asked by Lisa
3. 1,078 views
Ok Dr. Russ helped me find one part of the question, but I still can't figure out the values of x that maximizes volume = in.
1. 1 answer
2. asked by Valerie
3. 1,072 views
Ex: [Cu] in river is 30 ppb, what is the molar concentration?
1. 1 answer
2. asked by Zukii
3. 1,051 views
How many moles of calcium bicarbonate are needed if 10.0 grams of sodium bicarbonate are used?
1. 0 answers
2. asked by stephen
3. 1,050 views
(a) The characteristic emission from Ca occurs at 422.7 nm and corresponds to an electron going from a 4p orbital to a 4s
1. 0 answers
2. asked by Maria
3. 1,023 views
Choose the end behavior of the polynomial function. f(x)= -5x^5-9x^2+6x+1.I got left end up right end down. Is this right?
1. 1 answer
2. asked by Valerie
3. 1,007 views
At 20 degrees celsius the vapor pressure of dry ice is 56.5atm. If 10 g of dry ice (solid CO2) is placed in an evacuated 0.25 L
1. 0 answers
2. asked by jack
3. 971 views
Evaluate the expression. (Simplify your answer fully. Unsimplified or decimal answers will be graded as incorrect.)[(-1/2)^-2]^3
1. 2 answers
2. asked by Amy
3. 942 views
Please can anyone help me with a musicalpuzzle.... I'm looking for hidden GPS coordinates within the musical notation... I know
1. 0 answers
2. asked by Leigh
3. 927 views
C2H4O(g) �¨ CH4(g) + CO(g) Find the rate law of C2H4O?The following kinetic data were observed for the reaction at 688 K.
1. 1 answer
2. asked by Nagaa
3. 919 views
That portion of the earth in which living organisms are found?
1. 4 answers
2. asked by General
3. 916 views
A coffee company wants a new flavor of cajun coffee. how many pounds of coffee worth $10 a pound should be added to 20 pounds of
1. 1 answer
2. asked by Doodle
3. 914 views
A tube containing hydrogen atoms in the n=3 shell does not absorb visible light. The longest wavelength absorbed is 1875 nm.
1. 1 answer
2. asked by Maria
3. 911 views
lim h>0 sqrt(1+h)-1/hnot sure how to factor this; not allowed to use L'Hopital's Rule. (that isn't taught at my school until
1. 6 answers
2. asked by John
3. 871 views
Two cars start from rest at the same locationand at the same instant and race along a straight track. Car A accelerates at 6.6
1. 0 answers
2. asked by David
3. 843 views
Divide.(9x^3-10+19+6x^4)/(-2x^2+3x-3) Write your answer in the form Q(x)+ R(x)/ -2x^2+3x-3, where Q(x) is the quotient and R(x)
1. 1 answer
2. asked by anon
3. 828 views
Calculate the "exact" alkalinity of a water that contains 0.6580 mg/L of bicarbonate, as the ion, at a pH of 5.66.
1. 0 answers
2. asked by Jazmin
3. 818 views
if 4 volumes of 0.1M monobasic potassium phosphate, KH2PO4, are mixed with 2 volume of 0.1 M dibasic sodium phosphate, Na2HPO4,
1. 10 answers
2. asked by dIrk
3. 769 views
Find the equation of a sine function that has a vertical displacement 2 units down, a horizontal phase shift 60 degrees to the
1. 0 answers
2. asked by stephy
3. 754 views
Bristol Sales had the following transactions for DVD’s in 2012, its first year of operations.Jan. 20 Purchased 75 units @ $17
1. 1 answer
2. asked by Monty Douglas
3. 753 views
1. When the American Revolution began, it looked like the colonies faced insurmountable odds. How did a ragtag band of
1. 1 answer
2. asked by ofelia
3. 744 views
The radius of a circle is measured to be 12.8 ± 0.2 cm. I need to find the Area and the Circumference of the circle? But how to
1. 1 answer
2. asked by Stephanie
3. 737 views
Convert the concentration of SO2 from 80µg/m^3 to units of parts per million. The gas has temperature of 25 degree Celsius and
1. 2 answers
2. asked by Jazmin
3. 729 views
Express the limit as a definite integral on the given interval. Use Riemright and evaluate the sum by hand.lim n-> infinity
1. 1 answer
2. asked by Chelsea
3. 723 views
A consumer agency wanted to investigate if four insurance companies differed with regard to the premiums they charge for auto
1. 0 answers
2. asked by Jennifer
3. 712 views
Excited lithium atoms emit radiation at 670.8nm.a. calculate the frequency of this radiation. b. calculate the energy (in eV) of
1. 1 answer
2. asked by Maria
3. 678 views
The revenue for a business is modeled by the function R(x)=-2.8(x-10)^2+15, where x is the number of items sold, in thousands,
1. 0 answers
2. asked by Emily
3. 673 views
Student A conducted the acid-catalyzed dehydration of ethanol at 180°C and obtained a gaseous product. Student B conducted the
1. 2 answers
2. asked by Catherine
3. 672 views
A revolutionary new diet advertises that one can lose weight simply by eating ice. When one eats ice,chemical energy in the body
1. 0 answers
2. asked by jenny
3. 667 views
#2 Choose the end behavior of the graph of the polynomial function.f(x) 3x^3+3x^2-6x-5. I got Falls to the left and rises to the
1. 1 answer
2. asked by Valerie
3. 655 views
how do i solve, marge has six coins that total $1.15. she cannot make change for $1.00, 1/2 dollar, a quarter, a dime, or a
1. 3 answers
2. asked by gary
3. 654 views
I, IV and V only005 10.0 points When a chemical reaction comes to equilibrium, both the forward and the reverse reactions
1. 4 answers
2. asked by Bob
3. 652 views
#3 Choose the end behavior of the graph of the polynomial function.f(x) -x(x-3)(5x+2), I think I have to foil to get
1. 1 answer
2. asked by Valerie
3. 630 views
Suppose a sample of hydrogen gas is excited to the n=5 level. As the atoms return to the ground state (Balmer series), they emit
1. 1 answer
2. asked by Maria
3. 630 views
Laird Company sells coffee makers used in business offices. Its beginning inventory of coffee makers was 200 units at $45.00 per
1. 3 answers
2. asked by Monty Douglas
3. 629 views
The following information pertains to Porter Company for 2011.Beginning inventory 70 units @ $13 Units purchased 280 units @ $18
1. 0 answers
2. asked by Monty Douglas
3. 619 views
I have 2 questions involving inventoryQuestion 1. Your a manager of an auto parts store.Figures below contains your records of
1. 2 answers
2. asked by Mary Ann
3. 617 views
3. I have two identical dust particles. They are spheres with diameters of 0.0001 meter (about the same as a hair). They have
1. 1 answer
2. asked by sabrina
3. 613 views
A weight of 40N was attached to the end of a wire during modulus experiment, if the length of the wire is 4m and the diameter is
1. 1 answer
2. asked by Ochuko
3. 613 views
Calculate the energy (in eV) of the three lowest energy transitions in the Lyman series (the series that ends on n=1) of
1. 1 answer
2. asked by Maria
3. 611 views
Can you please help me with this question?A person is flying through space with person B exactly 186000 miles behind. When
1. 1 answer
2. asked by athri
3. 611 views
Example: A disc of radius R has a uniform charge per unit area ƒã. Calculate the electric field at a point P along the central
1. 1 answer
2. asked by azad
3. 607 views
A uranium nucleus238 U may stay in one piece for billions of years, but sooner or later it decays into an α particle of mass
1. 1 answer
2. asked by Anonymous
3. 601 views
Use a graph to estimate the limit:lim θ->0 (sin(5θ)/θ) Note: θ is measured in radians. All angles will be in radians in this
1. 0 answers
2. asked by Brittany
3. 601 views
I have to write a slogan in german that is a command using the four different types of command forms (du, ihr, wir, Sie), and I
1. 1 answer
2. asked by KJ
3. 597 views
Is it True That There are two versions of why the "casa de azulejos" ended up being completely tiled on the outside.Is It Tlso
1. 0 answers
2. asked by Needs Help
3. 596 views
The melting temperature of the fluorides of selected alkali metals and alkaline earths are listed below (see Table). If one
1. 0 answers
2. asked by Karl
3. 595 views
I am writing a 300-word program analysis for a human services organization. I cannot seem to apply the six policy fundamentals
1. 5 answers
2. asked by Kelli
3. 590 views
Describe how the graph of y + 3 = 2sin(3x + 90) compares to the graph of y = sin(x)
1. 2 answers
2. asked by me
3. 587 views
A loudspeaker diaphragm is vibrating in simple harmonic motion with a frequency of 430 Hz and a maximum displacement of 0.90 mm.
1. 1 answer
2. asked by Help Please!
3. 584 views
A cart on a surface with a coefficient of friction of 0.20 is attached to an overhanging weight with a frictionless pulley. The
1. 1 answer
2. asked by Taylor
3. 582 views
The number N, in millions, of hearing impaired individuals of age x can be approximated by:N = -0.00006x^3 + 0.006x^2 - 0.1x +
1. 1 answer
2. asked by Pam
3. 575 views
Nicole can jog to work in of an hour. When she rides her bike, it takes her of an hour. If she rides miles per hour faster than
1. 2 answers
2. asked by molly
3. 567 views
How Would One Discuss This Topic:Japan controlled neighbors because it could. Japan also took over Korea and China because it
1. 2 answers
2. asked by Needs Help
3. 564 views
If one micrometeorite (a sphere with a diameter of 2.3 10-6 m) struck each square meter of the Moon each second, estimate the
1. 1 answer
2. asked by Anonymous
3. 557 views
writing a short paragraph on applying for a job as a medical office assistant tell me what can inspire me or guided me through
1. 1 answer
2. asked by annesha
3. 549 views
Hydrogen-like ions are those with only one electron such as He+ and Li2+. The Balmer formula for the transitions in these ions
1. 1 answer
2. asked by Maria
3. 548 views
Light bulbs emit a broad spectrum of light; that is, they emit photons with a broad range of wavelengths. Suppose that 10% of
1. 1 answer
2. asked by Maria
3. 546 views
Why can we use either common or naturallogarithms to re-express data that fit a power regression model? Couldn't really figure
1. 1 answer
2. asked by Laura
3. 538 views
A model train is made by connecting cars with possible lengths of 2 inches and 5 inches. what is the number of inches in the
1. 1 answer
2. asked by Tim
3. 532 views
Excited lithium atoms emit radiation at 670.8nm.a. calculate the frequency of this radiation. b. calculate the energy (in eV) of
1. 1 answer
2. asked by Maria
3. 527 views
Solve the equation(u-1)^2=2u^2-3u-29 for u .
1. 1 answer
2. asked by anon
3. 526 views
Two sums of money are proportional to 8:9.n if the first is 20/- the other is
1. 2 answers
2. asked by Deepak
3. 525 views
Posted by Rachel on Thursday, January 20, 2011 at 3:57pm.Does anyone know where I can get an image of the valence bond model for
1. 2 answers
2. asked by Rachel
3. 524 views
What is the equation of the line Y=3X-2 rotated 60 degrees clockwise about the point (2,5)?PLEASE HELP
1. 0 answers
2. asked by Jessica
3. 522 views
Find the least common multiple of the two expressions15v^4w^8 and 9vw^5x^4
1. 1 answer
2. asked by anon
3. 517 views
Points A and B move along two adjacentparallel paths. Initially A is 100 ft to the left of B, and each point has a velocity of 5
1. 3 answers
2. asked by John
3. 517 views
21. Van Gogh painted many self-portraits.- F?23. Vige'e-Lebrun carried its neoclassic style to its highest point.- ? Thanks -MC
1. 5 answers
2. asked by mysterychicken
3. 516 views
is there a website which has the topics and subtopics of the books in the bible? i need it for our project. thank you.
1. 4 answers
2. asked by veronica
3. 515 views
Strategic InitiativeI have chosen amazon store online as my company. I need to come up with an intro and conclusion i have the
1. 1 answer
2. asked by sasha
3. 511 views
the equilibrium constant is the ration of product concentration to reactant concentration at equilibrium. a reaction will likely
1. 1 answer
2. asked by brandi
3. 509 views
4. If the same two dust particles have -1.0 x 10-10 C of charge on one, and+3.2 C x 10-10 C on the other, what is the force
1. 1 answer
2. asked by sabrina
3. 506 views
During liftoff, a hot-air balloon accelerates upward at a rate of 2.6 m/s^2. The balloonist drops an object over the side of the
1. 1 answer
2. asked by Vi Tran
3. 501 views
Two point charges have a total charge of 525 µC. When placed 1.15 m apart, the force each exerts on the other is 25.7 N and is
1. 1 answer
2. asked by ami
3. 500 views

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