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2011
January
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January 22, 2011
I, IV and V only
005 10.0 points When a chemical reaction comes to equilibrium, both the forward and the reverse reactions
5 answers
asked by
Bob
608 views
Which of the following constants are needed to calculate the change in enthalpy (�H) for heating a sample of liquid water at 10C
5 answers
asked by
Bob
1,061 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 answer
asked by
dan
433 views
On a rectangular piece of cardboard with perimeter 11 inches, three parallel and equally spaced creases are made. The cardboard
4 answers
asked by
Valerie
6,978 views
if 4 volumes of 0.1M monobasic potassium phosphate, KH2PO4, are mixed with 2 volume of 0.1 M dibasic sodium phosphate, Na2HPO4,
10 answers
asked by
dIrk
724 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 answer
asked by
annesha
524 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
2 answers
asked by
sarah
1,133 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 answer
asked by
ami
475 views
Ex: [Cu] in river is 30 ppb, what is the molar concentration?
4 answers
asked by
Zukii
1,027 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
2 answers
asked by
Taylor
553 views
I am writing a 300-word program analysis for a human services organization. I cannot seem to apply the six policy fundamentals
6 answers
asked by
Kelli
561 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
4 answers
asked by
gary
627 views
What is the mass of 4.80 multiplied by 10-2 moles of zinc chloride (ZnCl2)?
1 answer
asked by
kayla
446 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 answer
asked by
Pam
532 views
For each of the following situations, indicate whether FIFO, LIFO, or weighted average applies.
a. In a period of rising prices,
3 answers
asked by
Monty Douglas
1,892 views
Laird Company sells coffee makers used in business offices. Its beginning inventory of coffee makers was 200 units at $45.00 per
4 answers
asked by
Monty Douglas
573 views
The following information pertains to Porter Company for 2011.
Beginning inventory 70 units @ $13 Units purchased 280 units @ $18
2 answers
asked by
Monty Douglas
576 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
2 answers
asked by
Anonymous
532 views
Bristol Sales had the following transactions for DVD’s in 2012, its first year of operations.
Jan. 20 Purchased 75 units @ $17
2 answers
asked by
Monty Douglas
726 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.
2 answers
asked by
Valerie
1,047 views
week2 day 7 assignment i have spent hours on this assignment and can not get it can anyone help?
4 answers
asked by
missy
382 views
4(x+3)=2(x-6)
4x+12=2x-12 2x+12=-12 2x=-24 x=-12 is this textbook example correct?
3 answers
asked by
charles
292 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
3 answers
asked by
molly
542 views
In what ways has the development of agriculture advanced our way of life?
4 answers
asked by
Betty
1,240 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
3 answers
asked by
Stephanie
712 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 answer
asked by
sabrina
474 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
2 answers
asked by
sabrina
592 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 answer
asked by
sabrina
482 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
2 answers
asked by
KJ
565 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 answer
asked by
joe
441 views
(sqrt(9x 5)-sqrt(68))/(x-7) limit as x approaches 7
1 answer
asked by
Bubba
413 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.
5 answers
asked by
veronica
496 views
Refer to the net ionic equation below to answer the following questions:
Co(H2O)6^+2 + 4Cl- <==> CoCl^-2 + 6H2O 1. In what
5 answers
asked by
Sharon
3,304 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
3 answers
asked by
Jazmin
1,940 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.
2 answers
asked by
Jazmin
789 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
4 answers
asked by
Jazmin
1,162 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
3 answers
asked by
Jazmin
707 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
4 answers
asked by
Jazmin
1,564 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 answer
asked by
Dane
398 views
computers are classified by price, processing speed, capacity, and
3 answers
asked by
Anonymous
433 views
ax^2+bx+c=0
solution: 9, only solution
1 answer
asked by
Tabitha
311 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 answer
asked by
jack
944 views
What action taken by Mexican officials changed the trade law?
1 answer
asked by
Elissa
371 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.
2 answers
asked by
Nagaa
892 views
Qué tipo de sistema político es encabezado por la reina Isabel II de Inglaterra?
A) Dictadura B) Oligarquía C) Democracia pura
1 answer
asked by
Anonymous
313 views
what are the policy measures under structural adjustment programmes? to what extent have these policies contributed to the
1 answer
asked by
mil
448 views
The main purpose of a peer review committee is to A. identify activities that suggest guidelines aren’t being followed. B.
3 answers
asked by
COLLINS
2,285 views
(sqrt(9x+5)-sqrt(68))/(x-7) limit as x approaches 7
the answer i got was .0546 i am not sure if this is right also, if it is
5 answers
asked by
Bubba
441 views
(sqrt(9x+5)-sqrt(68))/(x-7) limit as x approaches 7
the answer i got was .0546 i am not sure if this is right also, if it is
1 answer
asked by
Bubba
375 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 answer
asked by
Ochuko
442 views
A Spring of force constant 300N/m is compressed such that its length shortens by 3cm. calculate the energy stored in the
3 answers
asked by
Ochuko
1,434 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
2 answers
asked by
Ochuko
583 views
Two sums of money are proportional to 8:9.n if the first is 20/- the other is
3 answers
asked by
Deepak
507 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?
2 answers
asked by
Valerie
981 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
2 answers
asked by
Valerie
625 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
2 answers
asked by
Valerie
610 views
two point charges, Q1=-25microcoulomb and Q2=+50 microcoulomb, are separated by a distance of 12 cm. the electric field at the
4 answers
asked by
fara
2,099 views
Example: A disc of radius R has a uniform charge per unit area ċ. Calculate the electric field at a point P along the central
2 answers
asked by
azad
577 views
Solve for y. Write answer in simpliest form.
2+7/y=3/5
3 answers
asked by
anon
428 views
the equilibrium constant is the ration of product concentration to reactant concentration at equilibrium. a reaction will likely
1 answer
asked by
brandi
491 views
given the point (x, 4/7) on the unit circle where x is less then
1 answer
asked by
Anonymous
322 views
Find the least common multiple of the two expressions
15v^4w^8 and 9vw^5x^4
2 answers
asked by
anon
488 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 answer
asked by
Tee
324 views
How many moles of calcium bicarbonate are needed if 10.0 grams of sodium bicarbonate are used?
1 answer
asked by
stephen
1,032 views
Solve the equation
(u-1)^2=2u^2-3u-29 for u .
2 answers
asked by
anon
506 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
2 answers
asked by
Needs Help
565 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)
2 answers
asked by
anon
799 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
5 answers
asked by
John
1,261 views
How Would One Discuss This Topic:
Japan controlled neighbors because it could. Japan also took over Korea and China because it
3 answers
asked by
Needs Help
538 views
Determining whether the rational function f(x)=8x2+4*4x ihas symmetry?
1 answer
asked by
Thomas
441 views
why do we use some math things that isn't going to help us in the future?
1 answer
asked by
DAJHANE STAPLETON
325 views
Excited lithium atoms emit radiation at 670.8nm.
a. calculate the frequency of this radiation. b. calculate the energy (in eV) of
2 answers
asked by
Maria
654 views
Excited lithium atoms emit radiation at 670.8nm.
a. calculate the frequency of this radiation. b. calculate the energy (in eV) of
1 answer
asked by
Maria
497 views
We encounter a large number of waves every day without realizing it. One such source is radio waves. A typical frequency for
2 answers
asked by
Maria
1,131 views
A tube containing hydrogen atoms in the n=3 shell does not absorb visible light. The longest wavelength absorbed is 1875 nm.
2 answers
asked by
Maria
885 views
Calculate the energy (in eV) of the three lowest energy transitions in the Lyman series (the series that ends on n=1) of
2 answers
asked by
Maria
578 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
2 answers
asked by
Maria
602 views
Hydrogen-like ions are those with only one electron such as He+ and Li2+. The Balmer formula for the transitions in these ions
2 answers
asked by
Maria
520 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 answer
asked by
Maria
996 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 answer
asked by
Maria
509 views
Strategic Initiative
I have chosen amazon store online as my company. I need to come up with an intro and conclusion i have the
1 answer
asked by
sasha
483 views
Points A and B move along two adjacent
parallel paths. Initially A is 100 ft to the left of B, and each point has a velocity of 5
4 answers
asked by
John
492 views
21. Van Gogh painted many self-portraits.- F?
23. Vige'e-Lebrun carried its neoclassic style to its highest point.- ? Thanks -MC
6 answers
asked by
mysterychicken
482 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
2 answers
asked by
stephy
1,177 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
3 answers
asked by
Lima
1,396 views
Simplfy 7sqrt(3/6)
3 answers
asked by
Emily
440 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
4 answers
asked by
emoni
1,305 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.
4 answers
asked by
Rachel
2,269 views
That portion of the earth in which living organisms are found?
5 answers
asked by
General
887 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
2 answers
asked by
Doodle
885 views
Hi i forgot what the mode and mean are. Can anyone remind me??
1 answer
asked by
Erin
387 views
How do tou check and solve the equation -5w+2w+6w=-4+9?
1 answer
asked by
Amber shall
429 views
Two cars start from rest at the same location
and at the same instant and race along a straight track. Car A accelerates at 6.6
1 answer
asked by
David
806 views
lim h>0 sqrt(1+h)-1/h
not sure how to factor this; not allowed to use L'Hopital's Rule. (that isn't taught at my school until
7 answers
asked by
John
830 views
If I was 100% water what would my volume be?
1 answer
asked by
stacy
290 views
If I was 100% water what would my volume be?
1 answer
asked by
stacy
316 views
Determine the domain and range of f(x)=-sqrt(x+3) and the equation of the inverse.
1 answer
asked by
Emily
355 views
A uranium nucleus
238 U may stay in one piece for billions of years, but sooner or later it decays into an α particle of mass
2 answers
asked by
Anonymous
549 views
Write a program that inputs (from the user) the number of hours worked and hourly pay rate for employees and outputs their total
3 answers
asked by
Geno
1,170 views
The melting temperature of the fluorides of selected alkali metals and alkaline earths are listed below (see Table). If one
2 answers
asked by
Karl
564 views
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