Monday
October 20, 2014

Posts by nina


Total # Posts: 483

History
Discuss the differences and similarities in post-independence policies in India and Egypt. Please help me with this question If you could give me a little summary of each country it would be amazing. Its the only q I have left on this assignment.
July 23, 2012

Science
1.The estimated doubling time for the black sea urchin population is approximately 1.5 years. What is the annual growth rate of the urchin? help please?
June 29, 2012

Chemistry
A student completes titration by adding 12.0 mL of NaOH(aq) of an unknown concentration to 16.0 mL of 0.15M HCl(aq). what is the molar concentration of the NaOH(aq)?
June 7, 2012

Social Studies
The last of Wilson's fourteen points called for
June 1, 2012

Chemistry
Thanks!
May 30, 2012

Chemistry
Find the molarity of [H+] and [OH-] in the following solutions: a) 0.050 molar NaOH b) 2.09g of calcium hydroxide in 100 mL of water c) 0.875 M H2SO4
May 30, 2012

Chemistry
That is super helpful, thanks. I missed a two days of class when we learned acids and bases, so I was a bit stuck.
May 30, 2012

Chemistry
100.0 mL Vinegar (d=1.06g/mL) contains 4% acetic acid. a. How many moles of acid are in 100 mL of vinegar? b. How many mL of 0.11 M NaOH are required to neutralize the vinegar?
May 30, 2012

Chemistry
Alright, sure. #9. 2H2O -> 2H2 + O2 15g H2O/1 x 1mol/18.02 = 0.832 mol H2O PV=nRT (98.9kPa)(v)=(0.832mol)(8.31 kPaxL/molxK)(290.2K) v=20.29L #11. 12.01g/gC x 100=49.48% 24.27gC/1 x 1mol/12.01g=2.02mol C 1.01g/gH x 100=5.15% 19.61gH/1 x 1mol/1.01g=19.42mol H 14.01g/gN x 100=...
May 30, 2012

Chemistry
Test corrections :) They're calculations/short answers. I'd just like something to compare answers to or help me get the full answer (all partial credits). Thanks! #9. When water is electrolyzed it produces hydrogen and oxygen. If 10.0% of 150.0g of water is ...
May 30, 2012

Chemistry
It's a molar heat reaction lab. 0.07g Mg Mg+2HCl->MgCl2+H2 What is the actual value for the heat of reaction based on the enthalpy's of formation? HfHCl= -118.53 kJ/mole HfMgCl2= -774 kJ/mole
May 15, 2012

A Stop Sign
is it an index, symbol or an iconic sign?
April 25, 2012

History
I'm doing a project on name change in south africa so I'd like to know why the name pretoria was changed to tshwane and why did they change it to tshwane??? and why Pietersburg was changed to polokwane and why did they change it to polokwane
March 21, 2012

Biology Science
Plankton, Fish, Crab, Shark. Plankton, Crab, Fish, shark. Depends on which fish and which crab. XD
March 5, 2012

english
There are many situations where one should say no. For example, imagine if a clumsy, crazy, annoying, creepy, stranger asks you on a date. Even though you don’t want to hurt his feelings just say no would this be an okay way to start?
March 4, 2012

english
I need ideas on how to start the paragraph.
March 4, 2012

english
I need help writing an illustration paragraph on the topic: saying no. I have to include the following devices 1 acyndeton, 1 polysyndeton, 2 interrupted movement, 2 parallel, 1 freight-train
March 4, 2012

Business Studies
I'm Studying For My Business Cycle Test and I'm finding it for hard to remember all the elements of the micro market and market environment so I was just hopeing someone could have like a catchy sentence for the elements in each environment e.g takeing the begining ...
March 4, 2012

writing
"Part 1: Write an exploratory essay in which you compare and contrast online learning with classroom (on-ground) learning. Your evaluation may include preparation time, rewards, pitfalls, etc. You may select the features that you want to compare and contrast. • Using...
March 2, 2012

math
What he did wrong is that William did not multiply the 1,000-gram by 1.
March 1, 2012

math
The 5th grade marching band includes boys & girls. There are 28 boys in a marching band. The boys are 7/10 of the students in the marching band. What fraction of students in the marching band girls? What is the total number of students in the marching band?
February 24, 2012

MATH
Carolyn and Kim are selling lemonade this summer.  It costs $0.10 to make each cup of lemonade.  They are going to sell each cup of lemonade for $0.25. What is the least number of cups of lemonade they need to sell in order to collect $10.00 more than they ...
February 20, 2012

MATH
PLZZZZZZ! I NEED THIS ASAP
February 20, 2012

MATH
Carolyn and Kim are selling lemonade this summer.  It costs $0.10 to make each cup of lemonade.  They are going to sell each cup of lemonade for $0.25. a. What is the total cost to make 55 cups of lemonade? Show or explain your work.$5.50 b. If they sell 55 ...
February 20, 2012

Writing
I'm Writing a Discursive Essay on the topic "is it more difficult to be a young person today then it was 50years ago", I have these main points: "we have technology but its brought us media pressue" "Better education system but with more pressue to...
February 19, 2012

I need Help!
An Example of where a difficult academic challenge would confront you in school? And how would you deal with it?
February 5, 2012

Math
List these numbers from least to greatest: 4 over 5,3 over 5,and 3 over 4 Please help me with a cherry on the top!!!
February 1, 2012

math
kevin says that 22 over 30 is greater than 22 over 32.Do you agree?Explain.
January 31, 2012

math
Explain how you can tell 26 over 100 is greater than 1 over 4????
January 31, 2012

Math
Which set of ordered pairs has point symmetry with respect to the origin (0, 0)? (5, 4), (-5, 4) (5, 4), (-5, -4) (5, 4), (5, -4) (5, 4), (4, 5)
January 17, 2012

math
Which set of ordered pairs has point symmetry with respect to the origin (0, 0)? (5, 4), (-5, 4) (5, 4), (-5, -4) (5, 4), (5, -4) (5, 4), (4, 5)
January 17, 2012

math
Two angles are complementary. One angle is twice the other. The largest angle has a measure of what. 120, 60, or 45
January 15, 2012

chemistry
please help me
December 16, 2011

chemistry
Hi I am in AP Chemistry and I did not take regulars chem so I have never done labs before and was wondering If anyone could give me examples on how to do a lab
December 16, 2011

chemistry
calculate 5.7 grams PbCl2= ions Cl-1
November 14, 2011

algebra
is the ordered pair a solution of the inequality? (6,15); 8y-9x>8
November 11, 2011

music
#26 Dikrayati #12 John Howatt #25 Mozart, Piano Sonata in A Major, No. 11 (K.331). (Use the Theme and first Variation only. Note that the first Variation has sounds of Turkish March Music. The first Variation ends when a rumbling bass stops at a cadence. This signals the close...
November 5, 2011

physics
nmgh
October 30, 2011

math
let w represent the number of words and m represent the number of minutes. Write a rule to show the relationship between w and m. 280 words in 8 mins
October 15, 2011

Physics help!!
109.6km/h
October 10, 2011

chemistry
C. 589
October 2, 2011

multiple regression
5. HR Assistant Survey A sample of HR assistants in Plano Texas was created. It was suggested that the data should be analyzed with a regression model to determine if salary was related to years of experience, aptitude test scores, EI (emotional intelligence)scores, number of ...
September 14, 2011

United States Government
The United States has this form of government. *representative democracy *monarchy *direct democracy *constitutional republic I think it may be D since a constitutional republic had a government with limited power where the people are the main government authority. But it ...
September 12, 2011

Foreign language
Mere baala dha tereeka vadhia heh.
August 30, 2011

Geometry please help me need to finish!
The slant height of a regular pentagonal pyramid is 6 cm, and the length of each side of the base is 3 cm. Find the lateral area.
August 18, 2011

English
What does it mean " to get along you have to play along"?
August 18, 2011

AP World History Please help
What was the nature and extent of the Umayyad Empire? How did the Abbasid Empire differ from the Umayyad Empire? What were the achievements of the Arab phase of Islamic development ending in 750? I just want to know how they want me to answer these questions ie. examples.
July 2, 2011

AP World History Please Help Me Mrs.Sue
4.What was the nature and extent of the Umayyad Empire?
June 30, 2011

AP World History Please Help Me Mrs.Sue
Thank You!
June 28, 2011

AP World History Please Help Me Mrs.Sue
Hi I need help with this What classical institutions survived the collapse of the classical civilizations and why? I just need help with knowing Romes institutions please help.
June 28, 2011

math
hi can you predict the next sequences possible from the numbers 1-50 05 16 20 30 41
June 27, 2011

AP World History Please help
Alright I just need help with this one What social structure did Confucianism imply? What were the key social classes, and how did they differ? What kind of social classes are they talking about political or religious??
June 24, 2011

AP World History Please help
alright :)
June 24, 2011

AP World History Please help
What social structure did Confucianism imply? What were the key social classes, and how did they differ? Why did Confucianism have such a deep impact on Chinese and East Asian history? What groups and institutions could benefit from it? What does the document tell us about ...
June 24, 2011

AP World History Please Help Me Mrs.Sue
Thank You so much Mrs.Sue this really helped.
June 24, 2011

AP World History Please Help Me Mrs.Sue
Compare the political structure of Hellenistic Greece to that of the Greek world before 400 B.C.E. What was the function of philosophy in Greek culture? What, according to the authors, were the principles of Greek culture? Define a polis. How did the polis change between 800 ...
June 24, 2011

English-Native speakers
I think so.
June 23, 2011

Geometry Help!!!!!!!!!!
Thanks anyway but that isn't one of the choices the answer is x> 3/11 i figured it out thanks for trying :)
June 23, 2011

Geometry Help!!!!!!!!!!
If the sides of a triangle have measurements 3x + 4 , 6x - 1, and 8x + 2, find all possible values of x. I also need help with this question please
June 23, 2011

Geometry Help!!!!!!!!!!
In triangle ABC if m<ABF=39 and BF is an angle bisector, find <BCE
June 23, 2011

geometry
I am pretty sure it will form a scalene obtuse triangle. hope i helped out :)
June 23, 2011

AP World History
Thanks Mrs.Sue is there any way you can help with this one I want to find websites were i can double check my answer the question is How and where did Hinduism and Buddhism spread?
June 21, 2011

AP World History
3.Explain the major tenets of Hinduism and its evolution from the Aryans to the Gupta. Please help with this question I have no idea how to answer its the last one could you give me some websites please. -Thank You
June 21, 2011

Biology
You are a botanist hired in the future to make a distant planet, Xyloph, habitable for human life. Your job is to help seed the planet with plant life by working with the Terraforming Team. All four major kinds of plants will be introduced into this new world. You are to help...
June 12, 2011

chemistry
What kind of reaction occurs when a molecule of glucose reacts with oxygen to give carbon dioxide and water? a.exothermic reaction b.endothermic reaction c.synthesis reaction d.irreversible reaction
June 11, 2011

ALGEBRA
Explain how factoring is used to solve quadratic equations. Demonstrate the process with an example.
June 7, 2011

marketing
The process of naming broad product-markets and then segmenting them in order to select target markets and develop suitable marketing mixes is called:
June 5, 2011

Math
1 1/3 - 1 3/4
June 2, 2011

algebra 2
What is 36x^3-33x^2-33x-6/9x+3
June 1, 2011

AP World History Please Help
Describe the development of the Chinese state and its political institutions. I really need help with this can somebody explain this to me.
May 31, 2011

Chemistry
How many moles of aluminum chloride can be produced if you start with 8 moles of aluminum and 9 moles of chlorine?
May 24, 2011

Business Math 2
Megan Green is interested in taking out a personal loan for $1,550. However, last year an identity theft scam left her with poor credit. Since then she has learned about the perils of identity theft from personal experience as well as from a variety of sources, including the ...
April 26, 2011

Business Math
Ron Prentice bought goods from Shelly Katz. On May 20, Shelly gave Ron a time extension on his bill by accepting a $5,000, 7.00%, 150-day note. On August 26, Shelly discounted the note at Roseville Bank at 8.00%. What proceeds does Shelly Katz receive?
April 26, 2011

reading
what this the answer for this question We can conclude from paragraph a)theories are often revised. b)theories are never modified. c)theories are always changed. d)theories are mostly illogical. The concept that the Earth is a sphere can be traced back 2,500 years to the Greek...
April 19, 2011

science
i need to solve this : 1. we should show the chemical structure of oligosaccharide which contains 2 galactoses and 1 saccharose. 2. compare the difference in physical features og dicarboxylic acids and glucose beta chain 3. determine the calorific value of 5g saccharose please...
March 29, 2011

english vocabulary spelling
the_____ was a conflagration,causing serveral buildings great damage
March 23, 2011

Chem
Determine the maximum g of Ba3(PO4)2 that can be formed from your mass of Na3PO4 . 12H2O
March 23, 2011

math
how do I express these decimals as fraction in lowest terms? -9.8 and 1.6666666
March 15, 2011

Math
Clue 1: I am less than 1,000. Clue 2: the sum of my 2 digits is 26 Clue 3: my ones digit is 8 Who am I?
March 14, 2011

math
Clue1: I am less than 20. Clue 2: i am an odd number. Clue 3: I am the square root of 225 Who am I?
March 14, 2011

chemistry
if 19.0g NaI react, how many grams of NaNo3 are made?
February 28, 2011

math
-7.1+18.6=
February 23, 2011

8th grade science
:-)
February 18, 2011

8th grade science
Hello?? Ms. Sue?? I need help too! :-)
February 18, 2011

8th grade science
What leaves after a disturbance in the climax community?
February 18, 2011

math
thanks
February 16, 2011

math
what is -25+(-16)=? PLEASE HELP
February 16, 2011

science
Teacher gave us homework that I really dont understand. We must write chemical reactions by which we differentiate alcohols, esters, hydrogenic carbon,carboxylic acid and halogen alkanes from each other. We must not write the same reaction for two different compounds and we ...
February 16, 2011

chemistry
Teacher gave us homework that I really dont understand. We must write chemical reactions by which we differentiate alcohols, esters, hydrogenic carbon,carboxylic acid and halogen alkanes from each other. We must not write the same reaction for two different compounds and we ...
February 15, 2011

algebra
How do you multipl (3a-2b)(4a+3b)??
February 9, 2011

Math
Explain why 1/8 is greater than 1/10, but less than 1/3.
February 9, 2011

Chemistry
is fumaric acid polar or non-polar?
January 26, 2011

Biology/Zoology
Do bony fishes have a dermal bone?
January 25, 2011

Science
For my Biology class, I need to find and print out an article that talks about renewable resource technology or new technology that is beneficial to the environment. Can anyone help me find any good ones?
January 12, 2011

childcare
what taxes must be paid only by the employer?
January 6, 2011

Chemistry
given the equation Mg +2HCL --> MgCL2+H2, how many moles of hydrochloric acid are needed to react with O.50 mol of magnesium ? (1)0.5 (2)1.0 (3)2.0 (4)4.0 is it 3 ?
January 2, 2011

chemistry
A student wants to determine of an irregularly shaped peice of sodium metal . The student is warned not to use water displacement to find the volume of the peice of sodium . Explain the reason for the warning and pffer a effective solution to the students' problems
December 5, 2010

physics
A 70 kg man jumps 1.00m down onto a concrete walkway. His downward motion stops in .02 seconds. If he forgets to bend his knees, what force is transmitted to his leg bones?
November 21, 2010

algebra
A 384-m wire is cut into three pieces. The second piece is 3 m longer than the first. The third is four-fifths as long as the first. How long is each piece?
November 21, 2010

Math
A 384-m wire is cut into three pieces. The second piece is 3 m longer than the first. The third is four-fifths as long as the first. How long is each piece?
November 21, 2010

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