Thursday
March 5, 2015

Posts by tiffany


Total # Posts: 828

math
roman numeral for 120 130 140 150 160 170 180 190 You really need to be figuring out these values for your self based on the instructions I and another user gave you in your previous questions. That is, after all, the purpose of homework. C = 100 L = 50 X = 10 Using these, you...
February 15, 2007

math
roman numerals 110 111 112 113 CX CXI CXII CXIII I believe.
February 15, 2007

math
i need help with roman numerals asap I is 1 V is 5 X is ten L is 50 C is 100 D is 500 M is 1000 with this you can make any number you can only put 3 of anything in a row though so you can only do III not IIII for 4 you IV if a smaller symbol is in front then you subtract its ...
February 15, 2007

chemistry
if 37.9 liters of NO at .993atm and 146 degrees celcius are decomposed by the reaction 2NO-->N2+O2 how many grams of nitrogen will be formed... could you show mw step bu step how to do this ? thanks....i have finals tommorrow.... i need HHHHHHEEEEEEELLLLLLPPPPPPPP PV=nRT P=...
January 10, 2007

chemistry
calculate the density of NO3 gas at 0.970mm Hg and 35C Take 1 liter. calculate n in PV=nRT then, density= mass/volume= (n*molmassNO3)/1liter. I STILL DONT UNDERSTAND HOW TO DO IT COULD U PLEASE EXPLAIN What don't you understand about PV = nRT and how that fits your problem...
January 9, 2007

CHEMISTRY
the hindenburg was a hydrogen -filled dirigiable that exploded on 1937. The Hindenburg held 6.5*10^5 L of hydrogen gas at 23C and 760mmHg, what mass of hydrogen (H2) was present? calculate n in PV=nRT mass=n*molmassH2
January 9, 2007

chemistry
155.0 grams of N2 (nitrogen gas) are put in a 4.50L container at 35C. What is the pressure? PV=nRT n=155/molmassN2 Convert temps to K.
January 9, 2007

CHEMISTRY
DETERMINE THE TEMPERATURE REQUIRED FOR 0.0354MOL OF GAS TO FILL A BALLOON TO 2.5L UNDER 0.998K PA PRESSURE PV = nRT. Change kPa to atmospheres and use R = 0.08206 L*atm/mol*K.
January 8, 2007

CHEMISTRY
IN A CERTAIN EXPERIEMT A SAMPLE OF HELIUM IN A VACUUM SYSTEM WAS COMPRESSED AT 25C FROM A VOLUME OF 6000.0ML TO A VOLUME OF 240.0ML WHERE ITS PRESSURE WAS FOUND TO BE 32.0 MM HG. WAHT IS THE ORIGINAL PRESSURE OF HELIUM? (P1V1)/T1 (P2V2)/T2 Change T to Kelvin.
January 8, 2007

CHEMISTRY
A TANK OF COMPRESSED CO2 HAS A TEMPERATURE OF 43.5C AND A VOLUME OF 42.5L THE CO2 IS COMPLETELY TRANSFERRED INTO A SMALLER TANK THAT HAS A VOLUME OF 25.0L WAHT IS THE TEMPERATURE OF THE SMALLER TANK IF THE PRESSURE REMAINS CONSTANT? V1/T1 = V2/T2 Don't forget to change T ...
January 8, 2007

CHEMISRY
A SAMPLE OF 5.5L OF ARAGON DAS IS STORED IN A SYLINDER AT A TEMPERATURE OF 32.2C AND A PRESSURE 8.42 ATM. THE SAMPLE IS TRANSFERED COMPLETELY TO ANOTHER 2.8L CYLINDER. SEVERAL HOURS AFTER THE TRANSFER THE SECOND CYLINDER HAS OBTAINED A TEMPERATURE OF 60C. WHAT IS THE PRESSURE ...
January 8, 2007

CHEMISTRY
A GAS OCCUPIES A VOLUME OF 584 ML AT A PRESSURE OF 12.01K PA AND A TEMPERATURE OF 303K. whEN THE PRESSURE IS CHANGES, THE VOLUME BECOMES 477ML. IF THERE HAS BEEN NO CHANGE IN TEMPERATURE, WHAT IS THE NEW PRESSURE? ........ PLEASE HELP ME WITH THIS ....THANKS SOOOOOOO MUCH...
January 8, 2007

PLEASE SOLVE MY RIDDLE
What is ugly on the inside but beuatiful on the outside? (not human, not reflecting mirrors, an object is what I need)(MAKE SURE TO EXPLAIN WHAT OBJECT IS IS IF IT'S NOT COMMON AROUND THE HOUSE)
December 24, 2006

science
what is the difference between mass and volume? Mass is how much an object weighs. Volume is the amount of space the object takes up.
December 14, 2006

Grammar
please correct the following sentences so they read clean and clear. 1. It is David Lurie's eros that troubles the college administrators. 2. It is strongly requested that all pedestrians refrain from walking over those areas in the park which have been planted in grass. 3...
December 9, 2006

Grammar
Please correct every error in the sentences below. 1. African leaders are speaking out against a tradition in which widows have sex with a relative of their dead husbands because it helps to spread HIV. 2. The Ferrari was driven by a sexy woman with stunning headlights. 3. In ...
December 7, 2006

grammar
was wondering if you can help me correct these following sentences: focus is on glossary usage. 4. I use to be a philosopher, but now my brain works as it should. 5. "Woe is I," Kierkegaard shouted as he jumped off of the cliff with alot of nonbelievers. 6. Socrates ...
December 4, 2006

Urgent-Chemistry Help
I need help with the heat effects and calorimetry worksheet. Please explain how to solve it! Thank you so much! A metal sample weighing 45.2g and at a temperature of 100.0 C was placed in 38.6g of water in a calorimeter at 25.6 C. At equilibrium the temperature of the water ...
December 4, 2006

Grammar
I was wondering if you can help me correct these following sentences: focus is on glossary usage. 1. Due to Plato's preoccupation with shadowy forms, Aristotle was aggravated enought ot leave The Academy and bring his followers along with him. 2. A misogynist, Aristotle ...
December 3, 2006

math
the average of 4 concecutive even integers is 17. find the integers samantha, jason, mary-beth, john, tyrik, aaron, katie, and tiffany -- You would probably get better responses if you show what YOU have done so far to try to solve these problems. Our job here is not to do ...
November 29, 2006

Grammar
I was wondering if you can help me with my worksheet on punctuation and mechanics. 2. Herodutus was a cross eyed door to door salesman who sold out of date grammar books that emphasized the importance of hyphens. 3. The old ship Lollipop like other ships and aircraft, as well ...
November 18, 2006

Grammar
I'm having trouble with these sentences. The focus is on modifers, shifts and parallel constructions. I've attempted some of the sentences i was wondering if you can check if they are correct. Thank you for the help. 1. We are not only what we eat but also the thoughts...
November 9, 2006

Grammar
I'm having trouble with these sentences. The focus is on modifers, shifts and parallel constructions. Thank you for the help. 1. We are not only what we eat but also the thoughts we think. 2. According to legend, Schopenhauer believed women were weak in body and their ...
November 8, 2006

Grammar
I need to figure out what is grammatically wrong with each sentence. 1. Our front window was smashed by Henry's myopic closet. 2. Measles are deforming the witches, which maes their cats jumpy. 3. By the end of the third inning, it is obvious and you knew what the outcome ...
October 28, 2006

please help me paraphrase
The philosopher Thales acquires fame by predicting a solar eclipse in 585 BC. None of his works survive, but his reputation among Greeks in the following centuries is that of a man who takes a reasonable or 'scientific' approach to the mysteries of the natural world. ...
October 25, 2006

please help me paraphrase
Good writers are able to express complex concepts in concise yet compelling ways; often the minimalist message is the most meaningful. Simple messages do not signal simple minds; in fact, classical wisdom of the classical Greeks taught a technique to use obfuscation to obscure...
October 25, 2006

sociology
AXIA STUDENT AS WELL IN ETH 125 AND NOT ENJOYING IT AS I CAN SEE OTHERS ARE RIGHT THERE WITH ME
July 20, 2006

obstacles
What obstacles might you encounter on the path to sucess? Some of the obstacles might be -- illness -- yours or a family member's lack of motivation lack of money failing classes necessary to achieve your goal family responsibilities Sometimes life deals other issues: ...
June 14, 2005

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