Posts by ARIANNA
Total # Posts: 95
The compounds below are contained in a mixed sample. Rank the compounds in order of elitism if separated using a silica gel column rank them from what elutes first to what elutes last. Benzoic acid, 1,3-dichlorobenzene, tert-butylcyclohexane, and 2-pentanol So far from first ...
February 10, 2017
Lenora is using the recipe of 1/3 cup vegetable oil, 1/4 cup vinegar, salt and pepper to taste. She wants to make 20 batches of the recipe. How much vegetable oil and how much vinegar does she need?
October 27, 2016
A normal distribution has a mean of 240 and a standard deviation of 4.8. What is a z-score of 230? What is a z-score of 245? Round to the nearest hundredth. Enter your answers in the boxes. A Z-score of 230 is 6 A Z-score of 245 is <i'm confused for this one
September 21, 2016
Which probability matches the probability histogram? Assume that there are 2 trials. X = 2 where X represents the number of successes. . P(success)=0.3 P(success)=0.4 P(success)=0.6 P(success)=0.7 <I chose this.
September 9, 2016
The earth takes 365 1/4 days to go around the sun. Mercury takes 3 days less than 1/4 of this time. How many days does Mercury take to go around the sun? I believe I would have to find 1/4 of the 365 1/4 days then take 3 days out. I was given this do as home work but was not ...
July 19, 2016
What was the outcome of the Seven Weeks' War? (5 points) Austria won and reasserted herself as leader of Germany. Prussia won and reasserted herself as leader of Germany. France won and reasserted herself as leader of Germany. No one won. It was a stalemate.
April 19, 2016
what is the number of cycles an oscillator completes in one second is known? what is a force that always acts to pull a system back toward its equilibrium position? what is the distance from one point on a wave to the same point in the next cycle of the wave called? what is ...
March 9, 2016
What is a Neoclassical economist characteristics of Thomas Jefferson's Monticello? Monticello is based on a complex, asymmetric plan. Monticello contains columns, porticoes, and domes used in Roman architecture. Monticello is constructed with many fanciful details on the ...
February 5, 2016
Which member of the rhythm section is responsible for giving cues about upcoming changes in the music or that a new section of music is about to occur? drums bass piano saxophone My answer- bass
January 29, 2016
A small sphere of mass m is connected to the end of a cord of length r and rotates in a vertical circle about a fixed point O. The tension force exerted by the cord on the sphere is denoted by T . What is the correct equation for the forces in the radial direction when the ...
December 20, 2014
You complete 3 centimeters of a necklace in an hour. Each hour after the first you triple the length of the necklace. Write an expression using exponents for the length of the necklace after 3 hours. Then find the length
September 19, 2014
math super urgent
Louis and his friends shared an equal amount of money between them. They each got $1.20. How much money was there? How many friends did Louis have? also please explain answer.
March 11, 2013
I had to do an experiment to calculate the enthalpy of solution of Epsom salts. I'm stuck on how to calculate the amount of the reactant in moles. Here's some preliminary data: 37.58 g of Epsom salts in the solution Molar mass of solution: 246.48 g/mol I'm not sure...
December 20, 2012
You were literally no help Chandler. I am doing this assignment. The answer is " Without changing the width and position of the compass, draw an arc between L and M " for anyone that needs it (:
July 9, 2012
Given the reaction NH3(g) + O2(g)--> NO(g) + energy, in what direction will the reaction shift if you: a)remove O2 (g) b)increase the pressure by decreasing the volume c)decrease the temperature d)add a catalyst
April 8, 2012
Stats for Psychology
Not sure how to rewrite this question: ht tp://img221. imageshack.us/ img221/601/question2. jpg Get rid of all the spaces to see image of question: Delete the space between ht and tp delete the space between 221. and imageshack delete the space between us/ and img delete the ...
March 27, 2012
ht tp://imageshack.us/ photo/my-images/708/question1c. jpg/ try this one, hopefully it works! DELETE THE SPACE between ht and tp: delete the space between / and photo & delete the space between . and jpg
March 26, 2012
The solubility of Mg(OH)2 in a particular buffer solution is 0.63g/L .What must be the pH of the buffer solution? I am unsure of where to start since this is the first solubility problem that I've done that has included the density.
March 16, 2012
Rubber stripping for a trailer needs to be exactly 2.93 meters long. About how many of these pieces can be cut from a 12-meter length of rubber stripping? Estimate by using compatible numbers.
January 31, 2012
A light spring of constant k = 158 N/m rests vertically on the bottom of a large beaker of water (Fig. P9.34a). A 5.55 kg block of wood (density = 650 kg/m3) is connected to the spring and the mass-spring system is allowed to come to static equilibrium (Fig. P9.34b). What is ...
December 4, 2011
suppose you have an outdoor pool measuring 25ft by 10ft. you want to add a cement walkway around the pool. if the walkway will be 1ft thick and you have 304ft of cement how wide should the walkway be? write the quadratic equation to model the volume of the walkway
December 14, 2010
A new high school has just been completed. There are 1,000 lockers in the long hall of the school and they have been numbered from 1 to 1,000. During lunch, the 1,000 students decide to try an experiment. - The first student, student 1, runs down the row of lockers and opens ...
November 1, 2009
Thanks Damon I really appreciate it. I havent done fractions in a long time and trying to help my 8
Thanks Damon I really appreciate it. I havent done fractions in a long time and trying to help my 8 year old.
March 6, 2009
That is a good idea. Make sure you state the thesis in the last sentence of your first paragraph. Your first paragraph should be the introductory part. Also, when using quotes, using the proper citation format, both in your essay and if you do a work cited page as well. The ...
February 27, 2008
Hi, In the first sentence you put mi familia y you estabamos, I think you meant mi familia y yo, meaning my family and I. I'm not sure what nota de sexto means, maybe you should try putting the specific date instead. I think you should change hacia in the third sentence ...
February 27, 2008
You should phrase the first sentence like this: 1. Regardless of how misery transforms a person, many people want to get rid of the feeling. The second sentence is okay, although I would suggest changing things to committing actions that seem out of the ordinary. The third ...
February 27, 2008
Hi, I had a question about exponential functions. If f(x)=ab to the x power, were a does not equal zero, b is greater than 0 and b does not equal one. Therefore if b=1/2, then the graph of the function never crosses the y-axis. What is the answer to this question, true or ...
February 27, 2008
You can try looking at facts that you think are pertinent, such as vocab words, and dates where major events happens, as far as historical texts and some science books are concerned. If you are talking about book, you can try to find quotes that really stick out with what is ...
February 27, 2008
spread-spreader length-strength toss-throw green-screen boulevard-street goat-throat screw-screwdriver downpour sprinkle nine-three yelling-screaming change-strange string-thread river-stream thorns-scratch tree-spruce threw-through fly-spry brush scrub wow this is weird we ...
January 16, 2007