Post a New Question

Posts by tiffany

Total # Posts: 928

chemisty
what is the final pH after 1 drop(.05ml) of 6M HCl is added to 1.0L of freshly prepared pure water that was originally at a pH of 7.0. Is there a signigicant pH change?

statistics
yes, quantitative is something you can count-you can count how many cars are in a lot.

Chemistry- Writing Net Ionic equations
I need to write the net inonic equation for (NH4)2SO4(aq) and KNO2(aq). I need to know the reactants and the product. I worked it out and got: 2K+(aq) + SO4-(aq) ----> K(SO4)2(s)

Chemistry
It's 37.9 grams of SO2

Chemistry
CS2(g) + O2(g) CO2(g) + SO2(g) (a) Consider the unbalanced equation above. What is the maximum mass of SO2 that can be produced when 46.0 g of CS2 and 29.0 g O2 react? (b) Assume the reaction in part (a) goes to completion. Calculate the mass of excess reactant. I figured out...

chem.
Silver(I) nitrate and sodium sulfate react to form silver(I) sulfate and sodium nitrate. Suppose 43.5 mL of 0.040 M silver(I) nitrate solution and 26.58 mL of 0.10 M sodium sulfate solution are mixed. What is the maximum number of grams of silver(I) sulfate that can be made?

Chemistry
Okay thanks. I worked it out and got the correct answer of 86.8 grams for the mass product.

Chemistry
What is the maximum mass of product that can be formed when 76.0 g of solid zinc and 17.5 g nitrogen gas react?

College-Chemistry
How do you get the mass of the entire sample?

College-Chemistry
NaOH(s)+ H2SO4(aq)=Na2SO4(aq) + H2O(l) Consider the unbalanced equation above.A 0.900 g sample of impure NaOH was dissolved in water and required 37.0 mL of 0.145 M H2SO4 solution to react with the NaOH in the sample. What was the mass percent of NaOH in the sample?

literary
what is personification, polysyllabic humor,synaesthesia, and vernacular??

Algebra
use variables p for plane and w for wind and the equations: (p+w)x 2hours = 360 miles (p-w)x 2hours = 300 miles divide by 2 p+w=180 p-w=150 combine the two equations so w cancels 2p = 330 divide by 2 to get the speed of the plane. p=165 put the plane back into the equation to ...

Physics
Orin and Anita rush a 60kg man from the scene of an accidnet, carrying him on a uniform 3kg stretcher held by the ends. The stretcher is 2.6m long and the man's center of balance is 1m from Anita. How much force must they both exert to keep him horizontal?

Physics
Orin and Anita rush a 60kg man from the scene of an accidnet, carrying him on a uniform 3kg stretcher held by the ends. The stretcher is 2.6m long and the man's center of balance is 1m from Anita. How much force must they both exert to keep him horizontal?

Chemistry
how many grams of NaCN would you need to dossolve in enough water to make exactly 250.0mL of soultion with pH of 10.00?

financial
Compute the worth of Arcadia Hospital in 2005 using rules of thumb, adjusted book value, and discounted cash flow valuation (for this final method, use the table provided). Assume the cash flow for 2005 is the same as 2006. ($655 million) 1) Rules of thumb: 2) Adjusted book ...

physics
A cable is lifting a construction worker and a crate, as the drawing shows. The weights of the worker and crate are 930 and 1640 N, respectively. The acceleration of the cable is 0.620 m/s2, upward. (a) What is the tension in the cable below the worker? (b) What is the tension...

Physics
yes that is correct

Physics I
A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 61.2° above the horizontal. The rocket is fired toward an 11.0 m high wall, which is located 20.5 m away. The rocket attains its launch speed in a negligibly short period of time, after which its ...

English-Ms. Sue
Name infinitive and how it is used The class approved the decision to offer tutoring services to younger children. to offer tutoring services to younger children inf Adj is this correct

MATH
3X^4-81X NEED YOU TO SHOW HOW TO FACTOR STEP BY STEP WITHOUT GIVING ME THE ANSWER

social studys
whats the five w's of The New Jersey Plan

Psychology
I have done this already and found nothing after twenty pages. I have looked through about 30 different sites and can't really grab a hold of the main objective.

Psychology
I have to answer the following question: analyze the role of perception in cognitive psychology. I just wanted to know what major points I should focus on concerning this subject. What things should I mention?

HISTORY
PLLEASE HELP ME i have no clue what to put. Write a series of five journal entries from the point of view of a member of a tribe that has been conquered by the Incas. Make sure that you bring out positive and negative aspects of Inca rule. Each journal entry should be about ...

Science
The normal recommended amount of vitamin c is 1,000 milligrams(mg) per day for non-pregnant woman. During pregnancy, how much Vitamin C does a pregnant woman need?

social studies
when it is 6:00am in California it would be

Science
20,580

Physics
According to Boyles' law, PV = constant. If a graph is plotted with the pressure P against the volumeV, the graph would be a a.straight line b.parabola c.hyperbola d.ellipse

Physics
True/false. Light reflected from a glass surface is polarized along the plane perpendicular to the glass surface

health
what do you think is your personal stake in changeing the way our health care system works?

health
how does our government or health care system positively or negatively impact the lives of women?

health
how does our government or health care system positively or negatively impact the lives of women?

english
How to get started writing a thesis paragraphs with these 3 reasons: 1.you are old enough and can take care of yourself. 2.with mobile phones,it's possible to keep in touch with them on a regular basis,which would not be too stressful and worrisome. 3.if somebody ...

English
number 4 looks like it's the right one

mental
Post a 200- to 300-word response to the following: Discuss an environmental problem that you feel is significant in your town or city. What are some causes? Are any of these causes related to human values and environmental ethics? Explain.

math
how do you do combinding like terms

math
is it 0.76

sat essay
please give me some advice. thank u! assignment:Is the way something seems to be not always the same as it actually is ? Most people tend to consider what they see as facts or truth. As far as I am concerned, what we see is sometimes conceiving and misleading. Things are not ...

sat essay
please give me some advice. thank u! assignment:Is the way something seems to be not always the same as it actually is ? Most people tend to consider what they see as facts or truth. As far as I am concerned, what we see is sometimes conceiving and misleading. Things are not ...

english
1. Which of the following statements about Saadi's sayings is not true? A) They offer practical advice. B) They use simple language. C) They were composed in a time of chaos. D) They were written for other mystics. 2.What is a rubáiyát? A) a Chinese poem or ...

Pre-Calculus IB
1417-1059=358=2*179 2312-1417=895=5*179 D=179 R=164 D-R=15

Calculus
e^-10t dt -10te^-10t dt= te^-10t e^-10tdt=(e^-10t)/-10 10te^-10tdt=(e^-10t)/(-10)-te^-10t 20te^-10t dt =(e^-10t)/(-5)-2te^-10t

SAT essay
I don't know what is a strong conclusion. Can anybody tell me?

SAT essay
If I don't have an example to support my thesis in the examine, what should i do?

SAT essay
Most of us tend to accept the opinions of the authority because we believe that those who are in the position of authority are more likely to know the truth and make wise decisions. However, the people in authority can sometimes make mistakes. If we stick to their ideas ...

Calculus
Use implicit differentiation to find the second derivative: 2xy^2=4 (nothing is in parenthesis)

earth science
how do you draw a landscape region?

earth
When combining atoms, how do i use the balloons and letter notations to show the product formed?

history
thank for you ms sue

history
help me !!!!!!

history
why did the Puritans leave England, and what colony did they built in New England.

social studies
i don't know

Physics
A small metal cylinder rests on a circular turntable that is rotating at a constant speed. The small metal cylinder has a mass of 0.20kg, the coefficient of static friction between the cylinder and the turntable is 0.080, and the cylinder is located 0.15m from the center of ...

psychology
description of the central themes and strategies of positive psychology as you understand them from your reading. the reading did not cover the themes of positive psychology. I don't know what to do. I even googled this question and I have not found any materal to help ...

Acct
How do you Calculate cash on the balance sheet

Ap Physics
Paleontologists estimate that if a Tyrannosaurus rex were to trip and fall, it would have experienced a force of approximately 260,000N acting on its torso when it hit the ground. Assuming the torso has a mass of 3800kg , find the magnitude of the torso's upward ...

5th grade
no you are not

community health
fine a health organization and what the premacy goals it for

health
fine health organization what the premary goals and who the government

math
write a story problem of your own and solve it

Science
Scientists do their experimental tests more than once, so the can reduce the effects of chance errors. This is called conducting___________________.

University of Phoenix
THe sign change in row three is not a sign change it is a misprint it really is and >= sign.

University of Phoenix
Minimize w= y1+y2+4y3 subject to y1+2y2+3y3>=115 2y1+y2+y3<=200 y1+ y3>=50 with y1 >=0 y2>=0 y3>=0

english
I am 38 and this isnt for homework! I need to have access to a site to identify parts of speech. I want to be able to enter in a sentence and have the parts of speech (verb, noun, pronoun etc.) identified. I have over 100 sentences that I need to do this with so clearly I cant...

english
I would love a website where I could put in my own sentence and have all the parts of speech identified!!! Can you help me with this? I have too many sentences to post here for help.

French Translation
thursday september 3, 2009

Chemistry
try writing them over a couple of times it seems to get into your mind that way

english
that web site didn't help me

english
chapter 2

english
Cite an incident from this chapter to prove the following statement. dad, like manny, does not understand how to break out of the cycle of oppression faced by some mexican americans? Parrot in the oven by victor martinez

english
Cite an incident from this chapter to prove the following statement. dad, like manny, does not understand how to break out of the cycle of oppression faced by some mexican americans

Math
Bill can mow his mothers lawn in 6 minutes. His brother Jim can mow it in 9 minutes. How long will it take them to do it together, if each has his own lawnmower? (record answer in minutes rounded to one decimal place. For example 14.2835 minutes, record 14.3).

10th grade
i need help in common law

human services agency interview
how much do you make working with human services

crt 205
Final Project: Comprehensive Argument Analysis The Opposing Viewpoints Resource Center database at the University Library provides a wealth of arguments to which you can apply your critical thinking skills. Find this database by logging into to the Library and selecting the ...

chemistry
What volume of 16 M nitric acid must be diluted with distilled water to prepare 500.0 mL of 0.50 M HNO3?

sociology
How would a symbolic interactionist respond to television and music producers who say that they only giving the public what the public wants?

sociology
What suggestions would be offer to bridge the digital divide that separates some seniors from others in computer usage? Consider enterprises that are both profit and nonprfit

sociology
How do these themes about male roles appear in the television and movies watch? What messages do these themes provide for men and women about masculinity and femininity?

sociology
What do sociologists suggest that will enhance or deter your computer literacy at that stage of life at the golden age of 65?

sociology
What suggestions would be offer to bridge the digital divide that separates some seniors from others in computer usage? Consider enterprises that are both profit and nonprfit

sociology
What, if anything, do these reverse migrants lose by returning to the South?

12 grade economics
nine-line acrostic poem of economics?

sociology
The iranian legal system is more focused on protecting the rights of crime victims ( and their relatives) than is the law in the united states. Should our courts move in this direction?

sociology
what are the advantages and disadvantages of explicitly grounding a legal system in a particular religious tradition? Should the united states attempt t integrate christianity into its criminal justice system, as some conservatives recommend?

sociology
How do the lifestyles of today's rich and famous differ from those of the 19th century robber barons?

sociology
is there anything wrong with wealthy people spending their money any way the wish

Beowulf question
Thanks for not helpiing jack.

Beowulf question
Why was it harder for Beowulf to kill Grendel's mother than Grendel himself?

math word problem
I have a question... There is not a 5 degree differnce between 12 degrees and -7 degrees. So, wouldn't you write it 12 - (-7) = 19 degress? I am working on the same problem and trying to figure it out. I am now more confused then ever. Please no offence to Ms. Sue. I am ...

momentum
do gamma rays carry momentum? i thought they don't because they don't have mass so mv=0 but my frend says even tho they don't have mass they still carry momentum. how does this make sense? please help.

Beta particles
what are the sings of the charges on the beta particles? one of my frends says it 0. the other one says its +1 and -1. but i think its -1. now im not shure. can some1 verify. thanks.

Converging Lenses
As the value of the focal length increases, does the image size increase or decrease? I think it would increase as well but I'm not shure. Can anyone verify?

college poetry/comp2
what object is ugly on the inside and beutiful on the ourside?

math (factoring quadratic trinomials)
i am doing factoring with quadratic trinomials, And I don't understand any of it! The problem im working on is 5p2-22p+8 I factored it out to be (5p2-20p)(40p2-2p) I am so stuck, can anyone help

language Arts
What couldn't women do in the 1800s?

literature
A tercet is a? A. figure of speech B. Literary genre C. Complex rhyme scheme D. Three-line stanza

music: history
Psychedelic and beatle mania were two eras that the beatles played in. What were the two other eras that the beatles played in?

chemistry
what are general errors expected in a spectrophotometry lab?

  1. Pages:
  2. <<Prev
  3. 1
  4. 2
  5. 3
  6. 4
  7. 5
  8. 6
  9. 7
  10. 8
  11. 9
  12. 10
  13. Next>>

Post a New Question