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Questions Asked on January 22, 2011

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. 627 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. 1,081 views
A space vehicle is coasting at a constant velocity of 20.5 m/s in the +y direction relative to a space station. The pilot of the
1. 1 answer
2. asked by dan
3. 443 views
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. 6,991 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. 747 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. 536 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. 1,146 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. 486 views
Ex: [Cu] in river is 30 ppb, what is the molar concentration?
1. 1 answer
2. asked by Zukii
3. 1,039 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. 560 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. 576 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. 638 views
What is the mass of 4.80 multiplied by 10-2 moles of zinc chloride (ZnCl2)?
1. 1 answer
2. asked by kayla
3. 452 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. 560 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. 1,903 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. 609 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. 606 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. 542 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. 736 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. 1,056 views
week2 day 7 assignment i have spent hours on this assignment and can not get it can anyone help?
1. 3 answers
2. asked by missy
3. 390 views
4(x+3)=2(x-6)4x+12=2x-12 2x+12=-12 2x=-24 x=-12 is this textbook example correct?
1. 2 answers
2. asked by charles
3. 302 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. 556 views
In what ways has the development of agriculture advanced our way of life?
1. 3 answers
2. asked by Betty
3. 1,255 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. 722 views
2. Rank the following in the order of how much of a corona discharge they would produce, from highest to least (e.g., if D is
1. 1 answer
2. asked by sabrina
3. 486 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. 601 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. 494 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. 575 views
The car's displacement 0.7 s after leaving the dock has a magnitude of 14.0 m. What is the car's speed at the instant it drives
1. 1 answer
2. asked by joe
3. 447 views
(sqrt(9x 5)-sqrt(68))/(x-7) limit as x approaches 7
1. 1 answer
2. asked by Bubba
3. 422 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. 508 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. 3,322 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. 1,956 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. 799 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. 1,173 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. 721 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. 1,588 views
useing the rule of 72 estemate how long it will take an investment of $400 to double if it is invested at 4.5%/year compounded
1. 1 answer
2. asked by Dane
3. 407 views
computers are classified by price, processing speed, capacity, and
1. 2 answers
2. asked by Anonymous
3. 445 views
ax^2+bx+c=0solution: 9, only solution
1. 1 answer
2. asked by Tabitha
3. 322 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. 959 views
What action taken by Mexican officials changed the trade law?
1. 1 answer
2. asked by Elissa
3. 380 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. 901 views
Qué tipo de sistema político es encabezado por la reina Isabel II de Inglaterra?A) Dictadura B) Oligarquía C) Democracia pura
1. 1 answer
2. asked by Anonymous
3. 320 views
what are the policy measures under structural adjustment programmes? to what extent have these policies contributed to the
1. 0 answers
2. asked by mil
3. 457 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. 2,318 views
(sqrt(9x+5)-sqrt(68))/(x-7) limit as x approaches 7the answer i got was .0546 i am not sure if this is right also, if it is
1. 4 answers
2. asked by Bubba
3. 455 views
(sqrt(9x+5)-sqrt(68))/(x-7) limit as x approaches 7the answer i got was .0546 i am not sure if this is right also, if it is
1. 1 answer
2. asked by Bubba
3. 382 views
The Bob of a simple pendulm oscillates with an amplitude of 0.02m and a period of 0.5s, calculate the speed of the bob through
1. 1 answer
2. asked by Ochuko
3. 451 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. 1,452 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. 595 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. 514 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. 992 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. 634 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. 619 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. 2,107 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. 591 views
Solve for y. Write answer in simpliest form.2+7/y=3/5
1. 2 answers
2. asked by anon
3. 438 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. 500 views
given the point (x, 4/7) on the unit circle where x is less then
1. 1 answer
2. asked by Anonymous
3. 327 views
Find the least common multiple of the two expressions15v^4w^8 and 9vw^5x^4
1. 1 answer
2. asked by anon
3. 497 views
Please help me to solve this problem step by step.(14.44) = (14.44-10)/[4.45/sqrt(35)] = 4.44*sqrt(35)/4.45
1. 1 answer
2. asked by Tee
3. 341 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. 1,040 views
Solve the equation(u-1)^2=2u^2-3u-29 for u .
1. 1 answer
2. asked by anon
3. 513 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. 584 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. 813 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. 1,278 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. 551 views
Determining whether the rational function f(x)=8x2+4*4x ihas symmetry?
1. 1 answer
2. asked by Thomas
3. 446 views
why do we use some math things that isn't going to help us in the future?
1. 1 answer
2. asked by DAJHANE STAPLETON
3. 331 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. 664 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. 509 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. 1,140 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. 895 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. 586 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. 611 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. 530 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. 1,005 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. 521 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. 492 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. 501 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. 500 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. 1,190 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. 1,411 views
Simplfy 7sqrt(3/6)
1. 2 answers
2. asked by Emily
3. 446 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. 1,320 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. 2,288 views
That portion of the earth in which living organisms are found?
1. 4 answers
2. asked by General
3. 903 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. 899 views
Hi i forgot what the mode and mean are. Can anyone remind me??
1. 1 answer
2. asked by Erin
3. 397 views
How do tou check and solve the equation -5w+2w+6w=-4+9?
1. 1 answer
2. asked by Amber shall
3. 437 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. 816 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. 850 views
If I was 100% water what would my volume be?
1. 1 answer
2. asked by stacy
3. 296 views
If I was 100% water what would my volume be?
1. 0 answers
2. asked by stacy
3. 324 views
Determine the domain and range of f(x)=-sqrt(x+3) and the equation of the inverse.
1. 0 answers
2. asked by Emily
3. 360 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. 586 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. 1,184 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. 573 views

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