Number of results: 10,318
Check my answers? (Chemistry)
I only get one chance for each of these questions so I was wondering if someone could check my answers, thanks! 1. Consider the following reaction at equilibrium. 2 BrNO(g) ---> 2 NO(g) + Br2(g) Predict the effect of the following changes to the reaction mixture. (a) ...
Tuesday, April 19, 2011 at 5:41pm by Rebekah
cell phone
Again, do these attributes apply to every cell phone out there? Bluetooth: headset with built-in microphone and earpiece speaker lets you answer calls and talk to people without touching the phone itself. Bluetooth is a method of controlling electronic devices, without wires, ...
Wednesday, February 9, 2011 at 9:37am by Writeacher
Radius
The angle between a tangent and the chord equals the angle subtended by that chord Let angle BAP = Ø sinØ = 8/48 = 1/6 then cosØ = √35/6 the central angle will be 2Ø draw a perpendicular from the centre to the midpoint of AB, label it C, ...
Monday, April 29, 2013 at 4:46am by Reiny
physics
consider the maximum width*sinTheta=(4+.5)495nm (appx) and the minium of wideth*sinTeta=4lambda since the angles are the same, then 4lambda=4.5*495nm solve for lambda. http://www.walter-fendt.de/ph14e/singleslit.htm
Monday, March 29, 2010 at 7:32pm by bobpursley
Trig
If secx = 8 and -pi/2 < x < 0, find the exact value of sin2x Use the identity sin 2x = 2(sinx)(cosx) if secx = 8, then cosx = 1/8 where x is in the fourth quadrant. consider a right angled triangle with x=1, r=8, then y=?? by Pythagoras 1^2 + y^2 = 8^2 y = -&...
Saturday, April 14, 2007 at 1:55pm by Ashley
Math
Consider the box-and-whisker graphs shown. They suggest that a U.S. Department of Agriculture study shows that poultry dogs have fewer calories per dog than either beef dogs or meat dogs. Yet, one dietitian claims that some hot ...
Friday, May 20, 2011 at 3:12pm by candy
Differential Equations
You want me to do this with calculus with these terrible units evidently so I will. 70 mph (1h/3600s)(5280ft/m) = 103 ft/s d^2x/dt^2 = a dx/dt = a t + Vi where Vi is initial speed x = (1/2) a t^2 + Vi t + Xo wher Xo is initial x (call it 0 here so dx/dt at end = 0 0 = a t + 70...
Sunday, June 19, 2011 at 5:47pm by Damon
calculus
Does the "x" indicate multiplication, or is it an unknown? Does the 4 multi-ply (3^1/3) - 4i or just 3^(1/3) ? Find the magnitude of the complex number first. Call it C. Then write your number as C*e^(i*z) using Euler's formula. e^iz = cos z + i sin z The ...
Sunday, May 23, 2010 at 11:18pm by drwls
Probability
Consider a system of three molecules A, B, and C. Suppose that three units of energy can be distributed over the three atoms. Each atom can have no energy, one unit of energy, two units of energy, or all three units of energy. Assume that each of the ten possible arrangements ...
Monday, October 22, 2007 at 10:58pm by Richard
Early childhood education
For this assignment, you are asked to design a Plan-Do-Review activity. Be sure to describe in detail each stage of the process (student involvement in the planning, what students would actually do, and what specific questions you would ask during the review stage of the ...
Wednesday, October 3, 2012 at 1:28pm by Natalie
Early childhood education
For this assignment, you are asked to design a Plan-Do-Review activity. Be sure to describe in detail each stage of the process (student involvement in the planning, what students would actually do, and what specific questions you would ask during the review stage of the ...
Wednesday, October 3, 2012 at 1:28pm by Natalie
Early childhood education
For this assignment, you are asked to design a Plan-Do-Review activity. Be sure to describe in detail each stage of the process (student involvement in the planning, what students would actually do, and what specific questions you would ask during the review stage of the ...
Wednesday, October 3, 2012 at 1:28pm by Natalie
12th grade Biology
Consider the following animals: Earthworm Flatworm. Frog. Jellyfish. Lamprey. Tuna. Create a table of fundamental traits for these six animals as a basis for building a cladogram. Use traits that are either present or absent in a given organism. Use the jellyfish as an ...
Tuesday, May 26, 2009 at 11:06am by Harlowe
math,algebra,correction
x = (-5 +/-ã85)/10 do you mean -0.5 or -5 is this right? solve by using the quadratic formula: 5x^2+5x=3 i get: x= -0.5 (+/-)((sqrt(85)/(5)) check up on your proper use of the formula I got x = (-5 +/-√85)/10 which, if you want to separate it into two ...
Saturday, April 14, 2007 at 3:48pm by jasmine20
java programming
You need to provide more than a yes or no answer for this question. Consider both the selection sort and the bubble sort. If these algorithms will work with duplicates explain why they will still work. If they will not work, explain why they will not work. If one will work and...
Saturday, July 29, 2006 at 11:00pm by george
calculus
5. Consider the circle x2 + y2 = 16 and the parabola y2 = 8x. They intersect at P and Q in the first the fourth quadrants, respectively. Tangents to the circle at P and Q intersect the x-axis at R and tangents to the parabola at P and Q intersect the x-axis at S. a). The ratio...
Saturday, June 25, 2011 at 5:46am by shailja
physics
The first graph you plotted is called a speed-time graph. However, information other than speed or time can be obtained from such graphs. (a) What does the area under the line of the graph represent? the distance traveled? (b) Write an equation to represent the area under the ...
Sunday, October 21, 2007 at 11:21am by Anonymous
engllish
Here is my introduction. There is something wrog with it. Imagine being given a name that every kid would make fun of and everyone always questioning Why would your parents do such a thing? The bullies from his childhood would call him Oliver Tolliver, from Bolivar...
Wednesday, July 27, 2011 at 11:13am by lizzie
Physics
Consider the electric field created by a very long charged line of negative linear charge density -2.50 nC/m. A small positive point charge of 8 mC moves from a distance of 9 cm to a distance of 17 cm. How much work is done by the electric field? Hint: The electric field for a...
Friday, February 12, 2010 at 12:55pm by Susie
physics
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 number of years it would take to cover the Moon with micrometeorites to a depth of one meter? Hint: Consider the volume of a micrometeorite and a ...
Friday, January 21, 2011 at 9:02pm by Anonymous
U.S. GOVERNMENT
You need to clarify whether you mean power of the federal government of state governments. Take a look at the imprisonment of Japanese-American citizens during WW2. High on the list should be the segregation and denial of civil rights of blacks, mainly in the South. You might ...
Sunday, October 21, 2007 at 4:20pm by drwls
American Lit
Think of the way the book describes them. As in are they both brave or kind. Consider the way they both passed away, and what happened before they both died? Also, think of their age difference and how Natty was told to have died alone and how John died not so much alone. Also...
Sunday, May 9, 2010 at 10:44pm by christopher
Chemistry
Pyridine we will call Py When we titrate this base, the equivalence point will occur when only the salt is present. It will hydrolyze. You can calculate the pH at that point. PyH^+ + H2O ==> H3O^+ + Py Ka for PyH^+ = (Kw/Kb) where Kw is 1 x 10^-14 and Kb is the ...
Sunday, May 2, 2010 at 10:28pm by DrBob222
phi 105
What are key differences between the ontological, teleological, and cosmological arguments? Identify the philosopher who you think best supports his or her argument. The Ontological argument states that God exists in the understanding but not in reality. Anyone that considers ...
Tuesday, March 9, 2010 at 3:31pm by BB
Physics
Consider a thin, infinitely long conducting ribbon that carries a uniform current density j(current per unit area). The width of the ribbon is w and its thickness s is extremely small (s<<w).P is a point in the plane of the ribbon, at a large distance (x>&...
Monday, April 29, 2013 at 11:21am by spartan
Math
so we want the present value of 360 payments of 2400 at i = .08/12 = .006666... (I stored in calculator memory for more accuracy) PV = 2400(1 - 1.006666..^-360)/.006666... = 3270840.41 So with a downpayment of 40000 and a payment of 2400 Johnson could consider a house around ...
Tuesday, May 15, 2012 at 5:53pm by Reiny
English-Ms Sue
Often, however, the dictionaries are wrong about this. In fact, by putting one word first; they are supporting a self fulfilling prophecy. Consider the entry, "ax or axe", which appears with the two words in that order, in five of my seven dictionaries. If we are all...
Monday, February 1, 2010 at 5:46pm by Robin
English
I'm having extreme trouble with an homework assignment. Any help or spark of the mind will help. It is referring to "Thomas Jefferson on George Washington". The assignment is as follows... Write in the manner of Jefferson" a characterization of an important ...
Monday, February 23, 2009 at 2:09am by Joey
Career Planning
Mostly teaching, or white collar jobs in sales, information processing or accounting. That would be a good education for a science or math teacher. Sad to say, but a bachelor's degree in physics or math is not a ticket to a lot of lucrative career in industry these days. I...
Saturday, December 29, 2007 at 7:39pm by drwls
Math (measurement)
The base (square) area is 8x8 = 64 square inches. Multiply that by 1/3 of the height. Getting the height is the hard part. Consider the triangle formed by the apex, one corner, and a point that is the center of the base. Use the Pythagorean theorem on that triangle to get the ...
Sunday, January 10, 2010 at 4:46pm by drwls
Strategic
which comes first, the development of the long-term objectives, or the evaluation of organizational strengths and weaknesses? Please explain your choice. It seems to me that you'd need to know the long-term objectives before you evaluate the organization's strengths ...
Monday, February 19, 2007 at 10:31pm by Ms Brown
physics
consider U = 0 at 2.14 m height total energy at bottom = Ke = (1/2).585(7.15)^2 = 15 J height gained = 3.1 - 2.14 = .96 m total energy at top = .585 g (.96)+.5(.585)(4.19)^2 = 10.6 J difference = energy lost to friction = 15-10.6 = 4.4 J
Sunday, February 19, 2012 at 1:57pm by Damon
calculus
Consider a small elemental cylinder of radius x (between 2 and 3), and height=y=4/x, and thickness dx. The volume of the elemental cylinder is therefore, by the usual formulae: circumference*height*thickness =2πx * y * dx =2πx * 4/x * dx =8πdx Integrate ...
Thursday, September 9, 2010 at 11:39am by MathMate
Biostatistics HW
Consider again the data in problem #6. Suppose that in the aerobic exercise group we also measured the number of hours of aerobic exercise per week and the mean is 5.2 hours with a standard deviation of 2.1 hours. The sample correlation is -0.42. Exercise Group N Mean Std Dev ...
Tuesday, May 22, 2012 at 12:09pm by Anonymous
accounting
Excel document (2-3 pages) Details: Incorporate an ESO plan into a company's valuation. The c9mpany is Starbucks For your company (the company you used for the first two Units), incorporate the effect of the Employee Stock Option (ESO) plan into the common equity valuation...
Monday, December 7, 2009 at 10:56am by jaquez
math
2c 2.34̅ First, consider only the decimal part as an integer, i=34. Count the number of digits that repeat (x=1) and those that don't (y=1). From i=34, strip of the part that repeats to get j=3 Subtract j from i to get the numerator=34-3=31. The numerator is ...
Sunday, September 19, 2010 at 12:18am by MathMate
Chemistry
If we call methylamine, MeNH2, then the pH at the equivalence point is determined by the hydrolysis of the salt, MeNH3Cl formed at the equivalence point. This is Ka for MeNH3Cl .........MeNH3^+ + H2O -->MeNH2+ + H3O^+ initial..0.06M..............0........0 change.....-x...
Sunday, November 13, 2011 at 10:10pm by DrBob222
math
Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from the bottom left corner to the top right corner of which consist of only walking to the right and up. A point s is chosen uniformly at random from...
Friday, June 14, 2013 at 2:00am by anonymous
hca
"You" will notice that twice in this question, the word "you" is used. We don't know what you consider important nor why you have made that choice. After you have written your paper, please repost and we will be happy to make any suggestions/corrections...
Sunday, July 12, 2009 at 2:32pm by GuruBlue
math,help
Can someone help me understand the following in terms that i can understand because i've read the book,definitions i've done research and i am new with this and i still don't understand.The teacher is hopeless at explaining thats why i am here for help. 1) What are...
Wednesday, March 21, 2007 at 8:52pm by jacky
Pschology Question-HELP!!
PLEASE CHOOSE THE APPROPRIATE ANSWER: After school,Jeri spends hours talking to her friends on the phone. As she walks in the door one day,she hears the phone ring and yells to her mother, "It's for me!" Jeri interprets the ringing sensation using ___________ in ...
Wednesday, November 1, 2006 at 1:36pm by Masy
Pre-Calculus
Trigonometric Functions, Radian Measure ∏ <-- will be using this for pi Using exact values, convert to radians ( hint use fraction of ∏) 90° = 90°*∏/180° = 1∏/2 ^^would it be right to also call it 2∏ radians...
Tuesday, November 6, 2012 at 8:14pm by Shreya
C programming
It's not too hard. Think that there are only these possibilities: Positive X, Positive Y Positive X, Negative Y Negative X, Positive Y Negative X, Negative Y and zero x and / or y OK, so your program will output one of 5 possible answers. You take in two numbers, call them...
Wednesday, September 23, 2009 at 5:49pm by jim
I need serious help
A certain food must be mixed at a ratio of 1:50 (1 part dry to 50 parts wet). A cooker needs a total of 2 and 1/2 gallons of solution. how many ounces of each should be added? Never mind The way to work these is consider the total to be broken into 51 parts. divide the ounces ...
Friday, August 12, 2005 at 4:39pm by Gogo child
chem1010
I suppose the P is constant. How many moles do you have in the 4.80 grams? That is moles = grams/molar mass. Call that n. Use PV = nRT and solve for P with n from the 4.80 g sample. You don't have a T but use any number. Then add 0.5 mole to what you have to start and use ...
Saturday, November 19, 2011 at 3:03pm by DrBob222
English
1)At the beginning of the passage, taken from Chapter 11 of Swifts Gullivers Travels, the Houyhnhnms are described as strong, beautiful, wise, and fast horses, full of virtues and intelligence. 2) Gulliver never refers to them as animals or horses, but as his ...
Sunday, February 19, 2012 at 4:24am by Writeacher
english
It depends on what type of mental handicap you mean. If you are talking about mental retardation, they cannot learn or are slower in learning than "normal" people. However, savants who often are not able to function at normal levels in most areas have a...
Sunday, March 1, 2009 at 11:56am by PsyDAG
Chemistry Help PLEASE!!
I don't know how to do this question, I understand we have to use ICE but I keep getting the wrong answer when I solve for x, it's just not working for me. Consider the following reaction: A(g) -> 2B (g) Find the equilibrium partial pressures of A and B for each...
Friday, February 24, 2012 at 10:15pm by Student
Science
Im having trouble identifying forces. I have pictures of things like a man parachuting and a girl skating. I have to draw arrows to show the direction of the force and label to say the forces acting on each object. Parachuter has force of gravity pushing down while wind ...
Sunday, March 11, 2007 at 12:41pm by Laura
English/European history
In Machiavelli's, The Prince, what does Machiavelli consider the ideal economy? The ideal economy, according to Machiavelli, is one in which there is little or no taxation. Thus the public is free to prosper as much as he or she desires, without any concern that the ...
Sunday, September 3, 2006 at 11:56am by Jamie
College Physics
a)Let final speed of A be v1, and final speed of B be v2.Using conservation of momentum, consider the horizontal: 40m = v1*cos30 + v2*cos45 and the vertical 0 = v1*sin30 + v2*sin45 In second equation, express v1 in terms of v2, then substitute into the first equation to find ...
Sunday, June 13, 2010 at 9:45pm by Neoh
chemistry
Psoln = XH2O*PoH2O 15.0 torr = XH2O*17.5 torr Solve for XH2O which gives you the mole fraction that H2O must be. I'll call that ?? [molesH2O/(moles H2O + moles sucrose)]=?? moles H2O = grams water/molar mass H2O, substitute this into the equation immediately above this (...
Thursday, December 2, 2010 at 12:08am by DrBob222
Bullying?
How are you defining "unspeakable things"? The victims can become a bullies themselves, flee from the bullying environment (e.g., school, church, club) or they might commit suicide. Social support is a big factor in expressing what you call "inner strength."...
Thursday, April 22, 2010 at 7:01pm by PsyDAG
Honors Chemistry
Is #1 Al bicarbonate? You need to write the formula or the full name; otherwise it doesn't make sense. I'll assume Al(HCO3)3. I'll call tartaric acid H2T. 2Al(HCO3)3 + 3H2T ==> Al2T3 + 6CO2 + 6H2O How many mols CO2 were formed? Use PV - nRT, substitute the ...
Monday, May 21, 2012 at 7:40pm by DrBob222
Programming
I must write Analysis, IPOChart, Hierarchy Chart, Flowchart, GUI Design, Pseudocode, and Test Cases for an office supply inventory tracking program Here is the Pseudocode that i have so far: Main Module 1 Declare PensAmount As float 2 Declare PaperAmount As float 3 Declare ...
Monday, March 4, 2013 at 7:49am by Jim
chemistry
The secret to these titration problems is to know where you are on the titration curve. Let's call the acid HBu. HBu + NaOH ==> NaBu + H2O mmoles HBu = M x L = 20.00 mL x 0.1 = 2 mmoles. mmoles NaOH = M x L = 26.5 mL x 0.1 = 2.65. It should be obvious that all of ...
Sunday, October 31, 2010 at 8:41pm by DrBob222
socials
You might consider Canada's refusal to allow U.S. nuclear warheads in Canada's far north. Another topic is Canada's relations with Cuba. This part of the Wikipedia article may also give you some ideas. http://en.wikipedia.org/wiki/Canada_in_the_Cold_War#Canada-U.S....
Friday, December 2, 2011 at 7:33pm by Ms. Sue
Math-Calculus
Consider two ships which are joined by a cable attached to each ship at the water line. Suppose the two ships are 200 metres apart, with the cable stretched tight and attached to a pulley which is anchored halfway between the ships at a depth of 45 metres. If one ship moves ...
Wednesday, April 3, 2013 at 12:28am by Zoe
Math
Here is how I do these type of questions: Critical values are x = -4/5 and x = 4 Mark these on a number line, splitting the number line into 3 distinct parts < -4/5 between -4/5 and 4 > 4 Pick any value in each of the regions, if that value satisfies the original...
Monday, June 4, 2012 at 9:19pm by Reiny
PHYSICS
Consider a spaceship located on the Earth-Moon center line (i.e. a line that intersects the centers of both bodies) such that, at that point, the tugs on the spaceship from each celestial body exactly cancel, leaving the craft literally weightless. Take the distance between ...
Wednesday, January 9, 2008 at 2:37pm by Courtney hey damon can i get the quadratic on this
chem
Consider the following reaction. 2 HCl(aq) + Ba(OH)2(aq) BaCl2(aq) + 2 H2O(l) H = -118 kJ Calculate the heat when 112.4 mL of 0.500 M HCl is mixed with 300.0 mL of 0.515 M Ba(OH)2. Assuming that the temperature of both solutions was initially 25.0°C and that the final ...
Saturday, December 1, 2007 at 5:02pm by mel
Chem17
Consider the following reaction at equilibrium: C(s) + H2O(g) CO(g) + H2(g) Predict which of these stresses which cause the equilibrium system to shift towards the reactant side (to the left). (There may be more than one correct answer - choose ALL of the correct choices.) a. ...
Monday, May 2, 2011 at 11:54pm by Ryan
calculus
1. Consider the function f(x) = X^(4/3) +4x^(1/3) on the interval -8 ≤ x ≤ 8. a. Find the coordinate of all points at which the tangent to the curve is a horizontal line. b. Find the coordinate s of all points at which the tangent to the curve is a ...
Sunday, March 25, 2012 at 10:38pm by Yuri
calculus
1. Consider the function f(x) = X^(4/3) +4x^(1/3) on the interval -8 ≤ x ≤ 8. a. Find the coordinate of all points at which the tangent to the curve is a horizontal line. b. Find the coordinate s of all points at which the tangent to the curve is a vertical...
Sunday, March 25, 2012 at 8:29pm by Yuri
physics
which is false? Consider the following processes: I. Energy flows as heat from a hot object to a colder object II. Work is done on a system and an equivalent amount of energy is rejected as heat by the system III. Energy is absorbed as heat by a system and an equivalent amount...
Wednesday, June 24, 2009 at 7:42pm by matt
college english
I need to know if there are any grammatical errors in the following rewritten paragraph. Thank you. However, dictionaries are often wrong about this; in fact, by putting one word first, they are supporting a self-fulfilling prophecy. Consider the entry ax or axe, ...
Friday, February 5, 2010 at 3:14pm by Frank
CHEMISTRY HELP!
Consider the following reactions and their equilibrium constants. (NO(g) + 0.5Br2(g) <===> NOBr(g) Kp = 5.3 2NO(g) <===> N2(g) + O2(g) Kp = 2.1 x 1030 Use these equations and their equilibrium constants to determine the equilibrium constant for the ...
Wednesday, April 27, 2011 at 11:51pm by jon
I have a question, I am new In Jiskha!
Hello, My name is Chandra Mukhi. I am a girl. I am new in America and Jiskha. This is my second time useing Jiskha. I have a question. I watch 30 minute meals in Food Network Channel.I have Cable.The woman who does this program I think her name is Rachael Ray. Am I correct? I ...
Friday, December 29, 2006 at 4:00pm by Chandra Mukhi
Calc. Repost- Please Help
f(x) and g(x) are discontinuous functions defined each by two lines of different slopes and a point at the discontinuity, exactly as you described it. Before finding f(g(x)), you will need to find out the different intervals on which both f(x) and g(x) are continuous, for ...
Wednesday, October 13, 2010 at 12:50am by MathMate
maths
Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from the bottom left corner to the top right corner of which consist of only walking to the right and up. A point s is chosen uniformly at random from...
Friday, June 14, 2013 at 6:46am by raja harishchandra
math
Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from the bottom left corner to the top right corner of which consist of only walking to the right and up. A point s is chosen uniformly at random from...
Thursday, June 13, 2013 at 5:35am by raja harishchandra
math
Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from the bottom left corner to the top right corner of which consist of only walking to the right and up. A point s is chosen uniformly at random from...
Thursday, June 13, 2013 at 1:54am by raja harishchandra
math
Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from the bottom left corner to the top right corner of which consist of only walking to the right and up. A point s is chosen uniformly at random from...
Wednesday, June 12, 2013 at 1:53am by raja harishchandra
math
Consider a 25×25 grid of city streets. Let S be the points of intersection of the streets, and let P be the set of paths from the bottom left corner to the top right corner of which consist of only walking to the right and up. A point s is chosen uniformly at random from...
Tuesday, June 11, 2013 at 2:48am by raja harishchandra
Analytic Geometry - Circles and Areas
Not sure how to do this without calculus; can't find any theorems about areas cut by intersecting chords. So, consider the case where the lines x=h and y=k form the chords. However, with calculus, you can "easily" show that R1+R4 = 1/2 pi r^2 + 2kh That means ...
Wednesday, April 3, 2013 at 7:36am by Steve
Literature
You need to stop taking it apart and consider it as a whole ... and THEN make up your mind. http://www.poemhunter.com/poem/on-this-wondrous-sea/ Only one of the choices you've been given has even a slightly negative connotation - the one Bobpursley picked up on right away...
Thursday, January 17, 2013 at 9:03am by Writeacher
physics
The approach is one way. Consider this: 3db is 1/2 power loss. If you double the distance, power goes down then by 6db. YOu want it about 70 db loss, so that is about 11.6 6 db losses, or approx 2^11.6=3100 as far (this is very approximate) distance on order of 30*3100=93,000 ...
Thursday, January 21, 2010 at 9:26pm by bobpursley
Physic
Reaction at support and internal axial force resultant Consider two straight bars of uniform cross section made of the same material. Bar 1 has an axial length 1m of and a square cross section 1mm with side length . Bar 2 has an axial length of 3 m and a round cross section ...
Monday, April 29, 2013 at 2:40am by asas
psuchics
Reaction at support and internal axial force resultant Consider two straight bars of uniform cross section made of the same material. Bar 1 has an axial length 1m of and a square cross section 1mm with side length . Bar 2 has an axial length of 3 m and a round cross section ...
Monday, April 29, 2013 at 2:40am by asas
Math
Consider a system of notebook computers for a college math laboratory. The set of computers costs $10,000 and will be salvaged for $2,000 at the end of a 3-year period. Prepare a depreciation schedule using a 150%-declining balance rate for the system. The depreciation ...
Tuesday, July 29, 2008 at 12:38pm by Khandi
chemistry
The empirical formula you have written tells you nothing about the molecule (at least not much except for the molar mass). If you write it as CH3COOH OR as HC2H3O2, it is easier to see that the H on the right most end of the CH3COOH is the H that ionizes or it's the left ...
Tuesday, April 6, 2010 at 6:00pm by DrBob222
history: modern cities
Consider modern cities. What problems that existed at the turn of the 20th century have been fixed? Which do you think still exist? It depends on what you mean by modern. Is Calcutta modern? One would hope that water and sewage problems have been fixed, health problems, and ...
Monday, October 16, 2006 at 2:52am by Anonymous
Chemistry
Okay, I feel like this question should be really easy because it's a multiple choice question but how do you figure it out?? I'm completely drawing a blank. Consider the following equilibrium N2O4(g) <-> 2NO2(g) Kc = 4.8E-3 Which set of concentrations ...
Tuesday, April 9, 2013 at 7:07pm by a Canadian
chemistry
Two errors, some would consider them major and some minor. You should subtract the large number from the small number; i.e., 89.98-64.376 = 25.604. As it is, the way you subtracted the value is -25.604. Another question: I wonder why you only weighed the container with water ...
Tuesday, June 29, 2010 at 11:15am by DrBob222
English-Ms Sue
This is my revision to my earlier question, please proofread. Often, the dictionaries are wrong about this, in fact by putting one word first; they are supporting a self fulfilling prophecy. Consider the entry, "ax or axe", which appears with the two words in that ...
Monday, February 1, 2010 at 5:46pm by Robin
french
Thank you for using the Jiskha Homework Help Forum. Before you even think about saying that, please remember that it is not very polite! In French you also have to consider if you are on a first-name basis (peer, family member, pet, etc.) or if you should be formal. To someone...
Monday, August 27, 2007 at 9:58pm by SraJMcGin
Science-Chemistry
Methyl amine is a weak base with a pKb=3.35. Consider the titration of 30.0mL of .030M of Methyl amine with 0.025M HCl. a) Write the appropriate equation for the reaction. b) Calculate K for the reaction in part (a). c) Calculate pH of the initial methyl amine solution (0mL ...
Friday, April 19, 2013 at 11:44am by Joe
Help1
WHY rational expressions that are being added must have an LCD, but rational expressions that are being multiplied do not need to have an LCD. The short answer is that addition and multiplication are different operations with different properties. If we added rational ...
Friday, October 13, 2006 at 1:33pm by Allen
Emac Computer
This Website tells you what to do with MAC OSX 10.5 but you didn't say what your eMAC was running. If it doesn't work, and it's not in your manual, call Apple: http://docs.info.apple.com/article.html?path=Mac/10.5/en/11627.html Sra
Tuesday, April 20, 2010 at 10:02pm by SraJMcGin
physics
x = 1/2 a t^2 + v0 t + x0 and v = at + v0 (a)needs no translation, but some work: with v=12m/s, solve the velocity equation for the special time t (call it t) when the ball is at the window (in terms of 12m/sec and v0). Don't lose your nerve. Now plug that expression for ...
Tuesday, September 4, 2007 at 9:29pm by Dooley
math
first one: prob(black) = 1/2 prob(queen) = 4/52 = 1/13 prob(black queen in that order) = (1/2)(1/13) = 1/26 There are several interpretations possible for this question. e.g. - what if you first card is the black queen? can the second card be anything? - does the order matter...
Wednesday, April 11, 2012 at 12:18am by Reiny
help asap please
Consider that implementing effective classroom management strategies can create a classroom not only more conducive to learning but also more enjoyable for teachers, students, and other educational professionals. Use the table in Appendix B to outline classroom ...
Monday, October 13, 2008 at 6:38pm by dawn
math, calculus 2
Consider the area between the graphs x+y=16 and x+4= (y^2). This area can be computed in two different ways using integrals. First of all it can be computed as a sum of two integrals integrate from a to b of f(x)dx + integrate from b to c of g(x)dx What is the value of a, b, c...
Wednesday, September 12, 2012 at 8:03am by bobby
physic
A girl throws a stone from a bridge. Consider the following ways she might throw the stone. The speed of the stone as it leaves her hand is the same in each case. Case A: Thrown straight up. Case B: Thrown straight down. Case C: Thrown out at an angle of 45° above ...
Wednesday, July 21, 2010 at 1:40pm by lisa
Math
The question doesn't really call for any math process. It's asking you for the decimal equivalent and fraction for 47.5%. Multiply by 100 or move the decimal point two places to the left to find the decimal equivalent. Then read that number in words. Study this site. ...
Thursday, January 28, 2010 at 6:47pm by Ms. Sue
Calculus
re-checked my calculations, found a few typing and calculator errors. The old brain just doesn't work properly after midnight NEW VERSION: I would call the time after passing over the station as t minutes then by cosine law D^2 = 4^2 + (5t)^2 - (2)(4)(5t)cos125 = 25t^2 - (...
Friday, September 25, 2009 at 12:28am by Reiny
Science
I need help writing a procedure for my Earth Science class. Our teacher gave us 5 minerals and told us 5 mineral names, but we have to figure out which is which. We could do tests like specific gravity, luster, streak, and hardness. I decided to do hardness and streak. I wrote...
Sunday, October 14, 2007 at 3:36pm by Christine
Science
I need help writing a procedure for my Earth Science class. Our teacher gave us 5 minerals and told us 5 mineral names, but we have to figure out which is which. We could do tests like specific gravity, luster, streak, and hardness. I decided to do hardness and streak. I wrote...
Sunday, October 14, 2007 at 2:48pm by Georgia
chemistry
Consider the polymer polybutadiene. (a) Will linear polybutadiene or branched polybutadiene have a higher molar volume? (b) Will linear polybutadiene or branched polybutadiene have a higher glass transition temperature? (c) Will linear polybutadiene or branched polybutadiene ...
Wednesday, May 8, 2013 at 3:42am by Anonymus
psychology
A school psychologist is asked to help with a third grade student who is disrupting the class and causing the teacher to consider a change in professions. The psychologist interviews the parents, teachers, students, and student. She examines the reports of previous teachers, ...
Tuesday, October 25, 2011 at 4:11pm by TObby
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