Tuesday
October 21, 2014

Posts by Stacey


Total # Posts: 332

college
converting to base 10
September 17, 2010

10th grade
When using a calorimeter with two chambers what are the possible sources of error?
September 7, 2010

10th grade
3x-2-x=7-x
August 28, 2010

chemistry
what is the theoretical value for the M of acetic acid in vinegar if the vinegar is 5% acetic acid by a % mass value. Additional info: the experimental M of the acetic acid in vinegar is 0.80M Thank you!!
June 6, 2010

grammar
Identify the adjective clause in the following sentence. The book that is on the floor belongs to Johnny.
May 27, 2010

English
Identify the adjective clause in the following sentence. The book that is on the floor belongs to Johnny.
May 27, 2010

chem
Oh Dr.BOB...I am so lost..and sooo frustrated. Can you explain to me how to balance a chemical equation one more time please. Thanks Stacey
May 11, 2010

chem
Hi..Can you balance these 4 chemical reactions for me please: 1) Cu + 2Ag NO3 2) Zn + Al(NO3)3 3) Cu + ZnSO4 4) Ca + 2HCI Also will a chemical reaction occur in any of these? Thanks so much Stacey
May 11, 2010

Chem
what is the oxidation number on each of these ions - Ag2S + 2Al - 6Ag + Al2S3 Can you show your work? Thanks a bunch:)
May 9, 2010

Physics
A ladder 10-m long and weighing 50 N rests against a smooth vertical wall. If the ladder is just on the verge of slipping when it makes a 50 degree angle with the ground, find the coefficient of static friction between the ladder and the ground.
May 7, 2010

chem
How many moles of base are needed to neutralize 2 mol of acid for HNO3 + KOH - KNO3 + H2O?. Can u show your work please:) Thanks a bunch
May 4, 2010

math
How would you simplify this rational expression: Can you please show me the steps on how you get the answer thank you. 2y+1 over y-2 times (4-2y)
April 26, 2010

Chem Dr Bob
So your saying that sulphuric acid is used to test lead in water?
April 25, 2010

chemistry
Please I need help...I have been trying so hard to finad this answer... Suggest a test chemical that can be added to the water sample to precipitate the lead(II) ions. please show a chemical eqaution for the formation of the precipitate. Thank u so much:)
April 25, 2010

Chemistry
If 0.00002 mol of Na2S is the limiting reactant...how do I calculate the maximum mass of precipitate formed?
April 25, 2010

Math Check
I don't understand how you got to that answer
April 25, 2010

Math Check
y^2-5y over y^2-7y+10 What did I do wrong.. for my answer i got (y+5) over (y-2) and the correct answer is y over (y-2)??? How would you do this problem? 3x over x+1 = ? over x^2-x-2
April 25, 2010

math check
Simplify each rational expression. 3a(a-4)^2 over a^2(a-4) I don't understand how the answer would be 3(a-4) over a because the a-4 would cancel out??? 4-y^2 over y^2-2y once I simplify I get (2-y)(2+y) over (y-2)(y+2) I don't understand how the answer is -(y+2) over y...
April 25, 2010

Math
Simplify each rational expression. Can you please show me the steps on how you got the answer. Thank you (over means there is a line under the first expression and then the second expression is placed underneath the line) 2c^2-c-1 over 2c^2+3c+1 8c^2+2c over 4c+1
April 25, 2010

chemistry
why does chlorobenzene have a hogher bond energy than 1-bromobutane?
April 22, 2010

math
What does it mean to factor a polynomial?
April 16, 2010

Chem
Can you show me the structural formula, NOT molecular formula for C3H6 = Cl2 (g) - C3H6Cl2 Please...:)
April 14, 2010

Chemistry
Can you draw a structural formula illustrating the complete combustion of ethanol? Please...It is confusing to me!
April 14, 2010

Chemistry
Why is "4-heptonol" an incorrect IUPAC name? What is the correct name?
April 13, 2010

PLZ HELP!!!! communication
So I may not be correct, but I would say that the answer is False. I say that it is false because it is not an effective form of Communication. Selective listeningis when a person hears another but selects to not hear what is being said by choice or desire to hear some other ...
April 4, 2010

biology
A good website is called Animla and plants cells and shows pictures and is very informative. It will not let me type in the web address, but it is called animals and plants. it is a site from Purchon so add the 3 w's and the . com then slash biology slash cells. That is ...
April 4, 2010

Social Studies
The Roman alphabet, religion, mythology, and latin alphabet were borrowed from the greeks.
April 2, 2010

math
YEAH THANK YOU
April 2, 2010

math
8 / (4 / (-28)) = -56 I don't understand why? what are the steps to solving this problem?
April 2, 2010

Chemistry
Three naturally occurring allotropes of carbon are known to exist: amorphous, graphite and diamond.
April 2, 2010

chem
Can someone show me the structural formula (lewis diagram) for ethene??? Please
March 31, 2010

Chem
Determine the concentration of a dioxin solution whose percent absorbance is 0.40% This is the resulting: Absorbance Dioxin 0.64 5.5 0.76 6.3 1.0 8.0 But why can't I figure out the concentration whose percentage is .40%?
March 31, 2010

Chemistry
Determine the concentration of a dioxin solution whose percent absorbance is 0.40%
March 31, 2010

Chemistry
The volume of acetic acid in a sample of 500mL of vinegar is determined to be 1mL. What is the v/v percentage of the vinegar?
March 29, 2010

Chemistry
determine the mass of carbon monxide that is produced when 45.6 grams of methane reacts with 73.2 grams of oxygen gas. Can you please show work in detail please. Thanks
March 25, 2010

Chemistry
Can you determine the mass of carbon monxide that is produced when 45.6 grams of methane reacts with 73.2 grams of oxygen gas. Can you please show work in detail please. Thanks
March 25, 2010

Chemistry
The following reaction represents the decomposition for water: 2H2O - 2H + O How many molecules of hydrogen are produced from the decomposition of 12.2 grams of water into its elements?
March 25, 2010

vocab cultures & dev
a sentence with the word communist in it
March 11, 2010

vocab cultures & dev
sentence with the word cultural diffusion in it
March 11, 2010

vocab for cultures * dev
sentence with the word & meaning with commune
March 11, 2010

Vocab for cultures & devel
sentence for homogeneous
March 11, 2010

History
I have to write a five paragraph essay on the benefits of US expansion and the positive effects that it had on the philippines, cubans, china, and native americans. I can't figure out how to start it.
March 3, 2010

Math
In a series of three plays, a college football team had the following results:loses 5 yards, gains 8 yards, and loses 7 yards. Find the net gain (or loss) after this series. The answer is suppose to be 4. ( I keep getting -4)
January 27, 2010

5th grade
(8+7)x3x2=
January 20, 2010

Algebra
can you please answer my question h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 3 1 7 1 9 7 2
January 10, 2010

english
Identify the adjective clause in the following sentence. The book that is on the floor belongs to Johnny.
January 8, 2010

Communications
I need guidance im kind of confused
December 20, 2009

Communications
-You are "sending" a message that explains the interpersonal communication model as if you (as an adult) are talking to a fourth grade student. (Your partner will "act" as the fourth grade student, approximately nine years old.) -You are "sending"...
December 20, 2009

Math
Sasha wants to take the train to visit her friends over the holiday. Amtrak's train 29, the Capital Limited, leaves Union Station in Washington DC at 4:05 p.m. Eastern Time. It arrives at Chicago's Union Station at 8:45 a.m. Central Time the next morning. Where will ...
December 15, 2009

geometry
do you know how to unscramlbe MATH words
November 17, 2009

History
Why is studying the history of Western ideas helpful for understanding your ideal of social (and/or, political) and aesthetic developments today?
October 27, 2009

math
the goal is to get "g" by itself on one side. In order to do this you would take 11 and subtract it from the side it is on, then do the same to the other side of the equation. So 16-11= 5. So the new equation is g=5.
October 27, 2009

AED 200
What are the fundamental differences between Western philosophies and Native North American ways of knowing? (Generally, how does each culture view the world and education?) How can you incorporate seemingly different ways of knowing in your curriculum? When responding to your...
October 20, 2009

English
Literature: Explain how the historical context of a work can impact that work?
October 11, 2009

English
Explain how the historical context of a work can impact that work?
October 11, 2009

math
3 lights started at the same time..1st blinks at 5 seconds, 2nd at 6 seconds and 3rd at 4 seconds...how often will they blink at the same time
September 16, 2009

math
Why do graphs show "other"?
August 25, 2009

algebra
im having a hard time solving a problem that is 9x+9y=-18 do you think you can help me with this problem
July 20, 2009

french
can someone read my story that knows french well? can you please check it for mistakes. Here is the english and french version of it. Jean Paul n'a pas aimé partager ses choses. Par exemple, un jour il est allé à la plage. Il a apporté trois ...
June 18, 2009

french
I fixed the mistakes eariler but I have some questions: Sra: ***In the first sentence: n'étaient pas heureux qu’il essayait d'agir = do y ou want to use the Past Subjunctive after "n'étaient pas heureux qu'il...? In the first sentence i ...
June 14, 2009

french
also, how do you say when it was time for algernon to leave with his mother........ quand il y a le temps pour algernon pour partir, ?
June 14, 2009

french
could domeone check over my work to see if it makes sense are correct any error I might have? thank-you. Ses parents n'étaient pas heureux qu’il essayait d'agir comme un adulte. "Vous êtes seulement jeunes une fois" ils lui ont dit. Ses ...
June 14, 2009

mathematics
Factorise copletely 1) 2ax+3ay-2bx-3by 2)5x^2-20 3)3x^2+4x-15 is the ans to this one = 7x^3-15
June 13, 2009

math
draw a picture using picture using 4 quadrilaterals, 5 pentagons, 6 hexagons, and 8 octagons Responses
May 26, 2009

math
make a picture picture using 4 quadrilaterals, 5 pentagons, 6 hexagons, and 8 octagons
May 26, 2009

math
picture using 4 quadrilaterals, 5 pentagons, 6 hexagons, and 8 octagons
May 25, 2009

Science
How do scientists know what the interior of the earth looks like when we have never seen it?
April 27, 2009

Science
How fast do sound waves travel through water?
April 27, 2009

Science
How do scientists map the bottom of the ocean when they cannot travel there to see it?
April 27, 2009

Science
I don't know this is just a question on my son's science homework paper?
April 27, 2009

Science
What is the formula for finding the depth of the ocean?
April 27, 2009

newspaper (history)
is this a good name for a newspaper "A Page in Time Gazette" Does anyone have any variations of it?
March 18, 2009

math
thank you Ms. Sue that helped me figure out the answer! I really appreciate it. Thanks!! I should of thought of that in the first place.
March 4, 2009

math
what number can 5 7 8 all go into?
March 4, 2009

government
How a bill becomes a law?
February 15, 2009

Chemistry
Aluminum cookware is reffered ti as "anodized aluminum". The anodizing process puts a layer of aluminum oxide on the aluminum, protecting it from corrosion. Consider the reaction of 10.00 grams of aluminum with 10.00 grams of oxygen to form aluminum oxide. What is ...
February 15, 2009

physics
thanks what about potential?
February 13, 2009

physics
if there is a circuit that has a battery and a lightbulb: will an electron have more electric potential energy on the positive side of the battery or negative side of the battery? - i think its same because conservation of energy. energy gained by electron on positive side is ...
February 13, 2009

social studies
Portland, Oregon sorry
February 12, 2009

social studies
what natural resources made portland a good location for a city?
February 12, 2009

health
Which of the following is a risk factor for developing cancer? Drinking too much alcohol Smoking Promiscuity Earlier sexually active behavior all of the above I think that it's smoking or all of the above. I'm not sure on if sex can cause cancer
November 19, 2008

college health
All of the following are true of sexually transmitted diseases EXCEPT: -The incidence of STDs has largely increased over the past 30 yrs - THose with a viral cause have no cure - About 20% of the adult population in the US is infected with genital herpes - Those with a ...
November 19, 2008

college psychology
Which of the following is likely considered a catastrophic event? -Being the victim of a rape - Fighting in a war - Witnessing a fatal accident - Experiencing a life-threatening nautral disaster - All of the above I believe the ansert is all of the above
November 19, 2008

LAW
lAW RELATING TO CITIZENS IS CALLED___LAW
October 22, 2008

math
what does repeated multipcation and what is a number when multipied by itself gives the number plz help i need answers for monday
October 18, 2008

3rd grade Math
I honestly wish I knew. If I can't figure this out within the next 15 mins, I will send a note to his teacher. I'm sure I won't be the only person not understanding this question. Thank you for your help.
September 29, 2008

3rd grade Math
NO, this is the 13th question. The previous questions were related to writing numbers from least to greatest (all different set of numbers), so if it was referring to them, it did NOT specify which ones. Wish I could scan the page in lol.
September 29, 2008

3rd grade Math
This is the exact question that is in my son's math book. Please help, I'm completely confused on the question. REASONING Write in order from least to greatest the six numbers whose digits are 2,8, and 9.
September 29, 2008

geography
what are the disadvantages of globes?
September 15, 2008

urbanization
help me create a power point slide
September 8, 2008

cultural diversity
THANK YOU!!!!
August 28, 2008

science
In your own words how can you explain artificial intelligence?
July 22, 2008

climate graphs
climate graph of japan
June 12, 2008

climate graphs
what is japans climate graph?
June 12, 2008

Reading
the answer to #2 is B. The Civil War
June 3, 2008

religion
why is it so important to learn about other people beliefs and attitudes? How will you utilize this imformation in the future?
April 5, 2008

Religion
what effect do you think religious pluralism and the interfaith movement will have on the future of organized religion?
April 2, 2008

John Jay
Where can I find the correct meaning of the following terms: Stereotype, Gender group, Pluraism, Sociology, Minority group, Assimilation, Conflict perspective, Segregation, Ethnic group, Racism, Class Subordinate group, Social construction of race, Racial group, and Religious ...
March 26, 2008

Science
should there be more or less exploration and mining on public lands in the united states?
February 7, 2008

sci
what are the types of renewable energy alternative? what are some challenges with using and managing these alternative, renewable energy resources?
January 31, 2008

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