Sunday
December 4, 2016

Posts by Ron

Total # Posts: 357

Physics
Do I multiply the 1 u by the mass of the aspartame then add them up . and for the mass of kg what is the conversion factor.
April 19, 2008

Physics
The artificial sweetener NutraSweet is a chemical called aspartame (C14H18N2O5). (a) What is its molecular mass (in atomic mass units)? u (b) What is the mass (in kg) of an aspartame molecule? kg I know I have to get the totally mass of the aspartame, but I'm unsure how to...
April 19, 2008

Physics
Three moles of a monatomic ideal gas expand adiabatically, and its temperature decreases from 430 to 160 K. (a) What is the work done by (or done to) the gas? Include the algebraic sign. J (b) What is the change in the internal energy of the gas? Include the algebraic sign. J
April 19, 2008

chemistry 2
A saturated solution of Mg(OH)2 has a pH of 10.52. What is the Hydronium concentration? Whats the hydroxide concentration? Is this solution acidic,or basic?
April 18, 2008

chem 203
Br2=2Br When 1.05 mol of br2 is placed in a .950L flask, 1.20% of Br2 undergoes dissociation. Calculate the equilibrium constant Kc, for this reaction. Use ICE table.
April 13, 2008

Math
Can anybody translate (y + 3)(y -2)
March 1, 2008

economics
Will it be true, false, or uncertain ?if people who was laid off return back to work that according to the productive possibility graph with a shift outward/right that butter and guns would increase. Explain.
January 15, 2008

Math
The width of a standard newspaper column is 2.625 in. and the length of a standard column is 19.5 in. Express the ratio of the two measurements as a ratio of whole numbers. The answer is 7/52 but I cannot for the life of me figure out how.
January 15, 2008

social science
By way of the ppf curve a shift inward is displayed. What would the technological change be?
January 12, 2008

Math
How would you solve this (2a^4)^2
December 28, 2007

Albebra
c squared-4c-12=0 we have to solve each equation by completing the square.
December 4, 2007

physics
how to i find average speed? the problem says. a driver set outa journey for the first half she drives at 30mi/h and second half 60mi/h. Find the driver's average speed?
October 17, 2007

algebra
the answer is C because 6-6=2-2
October 17, 2007

9-11
What are some things that have changed after the 9-11 incident?
September 11, 2007

social studies
What is the role of the witness in the courthouse? What is the role of lawyer? You can look up both roles in a dictionary and/or a search engine such as Goofle. http://www.answers.com/witness http://www.answers.com/lawyer
July 19, 2007

social studies
what is courthouse. What is the role of the people working there. What happens there. A courthouse is the place where a judge or group of judges hear and decide decisions. In addition to the judges there are usually court officers who act in policing the court and providing ...
July 19, 2007

Anthropology
What do you think are the relative contributions of individual ideas and actions and the sociocultural context in which individuals live to the conditions depicted in Bourgois’ “Office Work and the Crack Alternative”? How would you compare individual ideas and ...
June 25, 2007

culture
“They say you Americans can do anything. So why can’t you make your own cocaine and let our children come home from the coca plantations in the Chapare?” (quoted in Weatherford). Can you answer this question? What do you think would be the costs and benefits of...
June 25, 2007

Anthropology
What is “cultural” about the ways societies organize their economic systems? Think about the dominant economic system in the U.S. (production of goods and services, technology, allocation of resources, division of labor). What are some of the culturally constructed ...
June 25, 2007

Critical Thinking 205
So I've been searching, checking the web on many different search engines, the college library. and have not found an example of a nonprejudicial rhetorical device. So it would be safe to say there is no such thing as a nonprejudicial rhetorical device? Rhetorical devices ...
June 21, 2007

English(its related to business writing class)
Hi I have to write Request Letter. The professor said becareful about these 2 points. 1. Use full block style. 2. Project a "you attitude." What does this both mean, can you explain to me in simple English, since english is my second language. :) Here's a good ...
June 20, 2007

chem
Predict the order of the increasing vapor pressure for the following compounds: FCH2CH2F FCH2CH2OH HOCH2CH2OH Result:the order its written that the oreder it's increasing but im not sure
June 11, 2007

chem
Of the floowing compound, which would you exoect to have the lowest vapor pressure at room temperature: CHCl3 CH2Cl2 CH3Cl CCl4 From my result I think it is CH2Cl2
June 11, 2007

math
Samantha’s speedometer reads in kilometers per hour. If the legal speed limit is 55 mi/h, how fast can she drive? How should I set this up? 160 kilometers per hour is 100 miles 55 miles is 88 kilometers. Here in New Zealand we are in kilometers
May 28, 2007

English
Does anybody know any websites that will give me information on the benefits and salaries that a store manager and a hand model( jewelry and perfume) earns http://www.payscale.com/research/US/Job=Retail_Store_Manager/Salary I could find no information on "hand models&...
May 20, 2007

Astronomy
Imagine that you are on a mission to explore a pulsar type star. What will you find there on pulsars and pulsar planets. Using this information, describe what you might encounter on your space mission. Thank you for using the Jiskha Homework Help forum. Rather than my posting ...
May 15, 2007

Astronomy
Imagine that you are on a mission to explore a pulsar type star. What will you find there on pulsars and pulsar planets. Using this information, describe what you might encounter on your space mission. Be sure to include references of your sources. Be careful to avoid using ...
May 15, 2007

physics(airplane)
Hi, Does anybody know any websites or ideas of how to make an airplane without any paper (cardboard is allowed). Please help.
May 8, 2007

English
im an only child and parents are too busy to help so, i need to interview someone that went to school 20 years ago and i was wondering if anyone would like to help me. Theses are my 7 questions because i already have 3 answered: 1.How was school like back then for you? 2.What ...
May 6, 2007

science
what is freezing and boiling point of sugar. Several sources on the Internet list the melting point as 160-186 with decomposition. The Merck Index lists "dec. 160-186. Chars and emits characteristic odor of caramel." Since it decomposes at 186, the boiling point is ...
May 2, 2007

History
Was Hitler one of the reasons why World War II began? http://en.wikipedia.org/wiki/World_War_II#Cause_of_war_in_Europe Yes, because he threatened world peace as a dictator when he and Germany showed agression against other countries; shortly after, WWII began. P.S.- same thing...
April 30, 2007

physics
Describe the energy conversions that occur in each of the following devices: a. an incandescent lightbulb b. a clothes dryer c. a digital clock radio We will be happy to critique your thinking. Heat is produced in all, and some light is produced in two. One also produces motion.
April 29, 2007

English
Yes, A rasin in the sun by Lorraine Hansberry OK what is your question? Are you looking for a theme? do you have any questions that need to be answered, cuz I have a whole list of them for every act First off thank you for helping me! This the? What are some major themes shown...
April 27, 2007

Math
I don't want the answer I want to know how you solve the problem! A restaurant manager bought 20 packages of bagels. Some packages contained 6 bagels each, and the rest contained 12 bagels each. There were 168 bagels in all. How many packages of 12 bagels did the manager ...
April 9, 2007

Math
A restaurant manager bought 20 packages of bagels. Some packages contained 6 bagels each, and the rest contained 12 bagels each. There were 168 bagels in all. How many packages of 12 bagels did the manager buy? A 6 B 8 C 9 D 12 D 12
April 9, 2007

math
For a wedding, Shereda bought several dozen roses and several dozen carnations. The roses cost $15 per dozen, and the carnations cost $8 per dozen. Shereda bought a total of 17 dozen flowers and paid a total of $192. How many roses did she buy? A 6 dozen B 7 dozen C 8 dozen D ...
April 9, 2007

science
Is the active ingredient in red tomatoes Lycopene? Active for doing what? Research indicates that lycopene is one of several ingredients that are effective in reducing prostate cancer risk in rats. See http://news.bbc.co.uk/2/hi/health/3239483.stm Lycopene is also the ...
March 8, 2007

English
In the Great Gatsby what is Jordan’s Nick’s Daisy’s, and Tom’s motivation, hope, or dream. I haven't read this work. The best suggestion I can make is that you go to one or both of these websites, look up this book, and see if they have insights you can...
March 4, 2007

physics
Sound does not travel through a vacuum. How do we know that light does? Explain how you can see ordinary nonluminous classroom objects. Light? Through what medium does starlight reach us? We see nonluminous objects mainly with reflected light.
March 4, 2007

chemistry
I am doing a project on medicinal plants. I planted red tomatoes, but I can't find any website that provides me info that it is medicinal. If you know any websites on red tomatoes that shows that it is medicinal please tell me. Oh tomatoes in my country we use for skunk ...
February 24, 2007

chemistry
Does anybody know any websites that there are chemistry labs that could possibly be used in a CSI investigation? I can’t find anything. http://antoine.frostburg.edu/chem/senese/101/organic/faq/amino-acid-test.shtml
February 24, 2007

Chemistry
What does a saline solution of 0.9% mean quantitatively? (Per 100 gram solution; percent by mass) 0.9 g NaCl + 99.1 g H2O. Thanks!
February 12, 2007

brain teaser help
I A S W A A Thank you for using the Jiskha Homework Help Forum. Here is your answer! AcronymDefinitionIASWAAIt's A Small World After All (song)
February 12, 2007

English
Does anybody know the author to the poem The Tide Risen the Tide Falls? by: Henry Wadsworth Longfellow
January 9, 2007

chemistry
Hi, Does anybody know any good websites that can teach me step-by-step basic chemistry (through power points) to AP chemistry? I would greatly appreciate it! Since this is not my area of expertise, I searched Google under the key words "AP chemistry course" to get ...
December 31, 2006

Microbiology
What is the diferece between a partial diploid clone and a partial diploid cell?
November 13, 2006

trig question
h=28-25*sin((t-1/15)/(3pi)) t is in minutes h is in meters
November 2, 2006

Algebra 2
Adding 1 to which digit will increase 736,419 by ten thousand? i think is 3... bill has four more dimes than nickels, and seven fewer nickels than pennies.he has a total of $3.35. how many of each kind of coin has he? bill has four more dimes than nickels, and seven fewer ...
November 1, 2006

difference between 10k, 14k, 18k gold
what is .925 gold is it better than 24k
October 17, 2006

percentages
Hi I want to know what one amount is a percentage of another example what is 0.74 and a percentage of 4.91 thanks What is the percentage of .74 of 4.01? percent= .74/4.02 * 100 Thank You !!!!!!
October 2, 2006

chemistry
Thanks!
September 25, 2006

Bio
1.cAMP MOLECULES BIND TO THE ________ subunit of_______ a. catalytic, PKC B. regulatory, PKA C. Regulatory, PKC d. Catalytic, PKA I THINK THE RIGHT ANSWER IS "B", PLEASE HELP
August 1, 2006

Bio
The _______ - subunit of most heterotrimeric G-proteins binds the guanine nucleotides and acts as a _________. a. beta, ATPase b. gamma, GTPase c. alpha, ATPase d. gamma ATPase c. alpha, GTPase I think the right answer is "E" but not sure please help E is correct. ...
August 1, 2006

cell biology
1.The________particle halts the translation of the mRNA to a polypeptide before checking to the ER a. singal recognition, permanently b. signal recognition protein receptor, permanently c. singal recognition, temporarily d. signal recognition protein receptor, temporarily I ...
August 1, 2006

Bio
The binding of alanine to tRNAala is mediated by the enzyme...... a. aminoacyle-tRAN SYNTHSE b. amino-tRAN SYNTHSE c. aminoacyle-tRAN synhetase d. amino-tRAN syntase I think the right answer is c, but not sure. Please check
August 1, 2006

biology
1. The process by which the ER uptakes an incipient polypetide concurrent with treanslation of the peptide is called..... a. co-import translation b. co- translation import c. co-transcription import d. co-transprt I believe the answer is "c" please check I think not...
July 31, 2006

biology
1. The number 1,2 and 3 are the nucleotides of the anticodon for the mRNA codon 5' AUG 3'. Thus in order of 1, 2 and 3 the sequence of this anitocodon is...... a. UTG b. ATG c. GUA d. CAU I believe the answer is "d", Please check
July 31, 2006

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