Saturday
August 30, 2014

Posts by bob


Total # Posts: 2,372

Writing
How can I end this? ____ The bridge I made a model of is the Sydney Harbor Bridge. The bridge is located at Sydney, Australia. The Sydney Harbor Bridge is the main way to cross the Sydney Harbor carrying rail, vehicular, and pedestrian traffic between Sydney Central District ...
January 13, 2008

History
mmmm yup
January 13, 2008

Science
What is an example of a gas and solid solution
January 8, 2008

Writing
I need some ideas on a story about a Christmas tree... Any ideas?
January 7, 2008

Chemistry
4NaOH+2HSO4=====2Na2SO4+2H2O
January 3, 2008

physical science
we did a lab on how to separte solids and i cant remember how to do it, does anyone know what to do???
January 3, 2008

euro
thanks. what kind of info should I put on there.
January 1, 2008

euro
can someone please help me. i need an idea for a poster to support the Girondist cause during the french revolution
January 1, 2008

Chem
-796 kJ
December 12, 2007

Math
what number gives the same result when multiplied by 6 as it does when 6 is added to it?
December 5, 2007

Vectors
Thank you so so so so so much!
November 29, 2007

Vectors
The two labels on the right are 50 meters and 60 degrees. I'm really sorry, but I don't understand what you were trying to say. Can you please clarify?
November 29, 2007

Vectors
I meant add the 'o' in .c om but it wouldn't let me post a URL. Sorry for the confusion.
November 29, 2007

Vectors
If you want to look at the drawing, you have to remove the space between h and t in and add the letter 'o'. Thanks again, it would really help me.
November 29, 2007

Vectors
I have an incredibly tough problem that I need help solving. h ttp://i228.photobucket.cm/albums/ee127/wsu2012/Vector.jpg If you could take a look at that diagram and help me figure out the displacement relative to point A, after the person walked from point A to point B, that ...
November 29, 2007

Chemistry
at room temperature (about 20degree C) milk turms sour in about 64 hours. In a refrigerator at 3 degree C, milk can be stored for about three times as long before turning sour. Determine the approximate activation energy for the reaction that causes milk to sour and how long ...
November 18, 2007

Physics-Check my answers
Why are the tires for trucks carrying gasoline and other flammable fluids manufactured to conduct electricity?
November 6, 2007

Algebra 2
the answer is e if you have a graphing calculator you could put it in on that it helps for algebra
November 6, 2007

pigskin geography
name the teams that will travel to a ordering state to meet the competition?
November 4, 2007

French/ Latin
No.
November 1, 2007

Chemistry
88
October 31, 2007

Chemistry
kittens
October 31, 2007

trigiometry
math.
October 29, 2007

math
1. 4x^2-13x=12 I need to solve this problem by factoring or using the quadtratic formula. I am stuck when using the quadtratic formula method. Please advise how to do this. 2. 5x^2+42=0 How many roots exist in this equation and what type are they?
October 29, 2007

algebra homework
true or false, all rational numbers are integers. Explain
October 26, 2007

algebra-what catastrophe makes a kitten happy?
yeah but there are four blanks that only fills up two...
October 24, 2007

Chemistry
The chemachles will change color and make sprarks.
October 22, 2007

Math
520
October 22, 2007

AP Biology
hey sarah do u go to BHS in fresno ca?
October 21, 2007

biology
What happens when two molecules in a polysaccharide split apart? What is this process called? What enivornment do polysaccharides need to be in to perform this reaction? What is the ratio of C:H:O in sucrose?
October 15, 2007

physics
1.13 seconds
October 14, 2007

math
8x=4y=12
October 10, 2007

precalculus
I is Interest, but it doesn't list the definition of A.
October 9, 2007

precalculus
When Todd won the one million dollar lottery, he kept some of the money(M) in a short term account at 4.2% and invested the remainder at 7.25%. Write a relationship between I and A.
October 9, 2007

UK/Physics
Yes, the expression of Joules is generally very large when dealing with human beings moving slow, or small projectiles moving fast.
October 7, 2007

Health
We r learning about the reproductive organs and they seem to be confusing me on how they they function together to make an embryo.Can someone explain how they function?
October 4, 2007

geometry
Give the reason for the step taken from a proof. <1 and <2 are a linear pair given m<1 + m<2 = 180* ? a. congruent supplements theorem b. vertical angles theorem c. linear pair postulate d. congruent complements theorem when i put < i hope you know what i mean ...
October 3, 2007

geometry
i didnt finish writing this question so look at the question above for the complete question
October 3, 2007

geometry
Give the reason for the step taken from a proof. <1 and <2 are a linear pair given m<1 + m<2 = 180* ? when i put < i hope you know what i mean and when i put an asterisk sign just replace it with a degrees sign in your mind.
October 3, 2007

geometry
Is the statement true or false? Explain your reasoning. Perpendicular lines always intersect at right angles.
October 3, 2007

geometry
If PQ=3 and PQ+RS=5, then 3+RS=5 is an example of the ___________. A. multiplication property of equality B. reflexive property of equality C. transitive property of equality D. substitution property of equality
October 3, 2007

geometry
From the given true statements, make a valid conclusion. If the dogs get out of the yard, the catcher will take them to the pound. The dogs got out of the yard.
October 3, 2007

geometry
Is the statement true or false? Explain your reasoning. Perpendicular lines always intersect at right angles.
October 3, 2007

geography
after britain sent troops to boston to stop resistance to the townsedn acts, tensions exploded in the boston massacre of 1770 what was the effect?
October 1, 2007

journalism
what is a inverted pyramed?
September 29, 2007

Math, pleae help... just want to see if i got it
no
September 27, 2007

Geometry
Tell whether each statement is true or false. Then write the converse and tell whether it is true or false. 28. P is the midpoint of segment GH implies that GH = 2PG I have this so far. p (hypothesis): P is the midpoint of segment GH, q (conclusion): GH = 2PG You don't ...
September 18, 2007

Biology
2000ml
September 14, 2007

physics 111
A runner times his speed around a circular track with a circumference of 0.508 mi. At the start he is running toward the east and the track starts bending toward the north. If he goes halfway around, he will be running toward the west. He finds that he has run a distance of 0....
September 14, 2007

physics 111
A bicycle travels 3.2 km due east in 0.10 h, then 5.6 km at 15.0° east of north in 0.11 h, and finally another 3.2 km due east in 0.10 h to reach its destination. The time lost in turning is negligible. What is the average velocity for the entire trip? i need to find the ...
September 14, 2007

science
how to convert grams andmeters and stuff like that?
September 12, 2007

psychology
what are the main features of a lab experiment
September 11, 2007

6 Grade Math
How many whole numbers are there between 99 and 1000?
September 6, 2007

Microecon help
Please help! Review for a test and am so lost! (1) An article in the New York Times (Oct. 18, 1990) described a successful marketing campaign by the French champagne industry. The article also noted that “many executives felt giddy about the stratospheric champagne prices...
September 3, 2007

Algebra II
Sue is three times as old as her sister. In one year from now, their combined ages will be 22. How old are they now?
September 3, 2007

math
why is it important to use the order of operation in mathmatics
August 27, 2007

algebra
Google it!!! it works:D
August 25, 2007

i dunno
Yes. Do you know anyone who has finished it? It can't go on forever. But still... is it really impossible?
August 25, 2007

i dunno
Is it possible to win the impossible quiz that's on addictivegames? I odn't want to waste my time trying to figure it out if you can never win. Thanks
August 25, 2007

line
what is a compimentary line in math? Thank you for using the Jiskha Homework Help Forum. If you are studying Geometry: http://astronomyonline.org/Science/Geometry.asp
August 15, 2007

soc
Is modernization likely to continue in the U.S.? Explain your answer. Do you think people would be willing to go backward to prior technologies and ways of living, or will the society keep on "modernizing"? Once you "explain your answer, please be sure to re-...
July 24, 2007

Physics
A coin is dropped from rest into a well with water 45.0m below the hand that drops the coin. A) How much time passes between the release of the coin and its contact with the water? B)How fast will the coin be going when it lands in the pool? C)How long after the release of the...
June 28, 2007

Calculus
cool^2
June 17, 2007

IT
vj is realy gay
June 12, 2007

riddles
stars
June 6, 2007

chemistry
what is the chemical equation for citric acid + sodium hydroxide? I will be happy to critique your thinking . Remember a salt and water will be formed. is it : C6H8O7 + 3NaOH--> NaC6H5O7 + 3H2O ? I would have written citric acid in this form H3-C6H5O7, and sodium citrate as...
June 5, 2007

math
The smallest number of people in a room where the probability of two of them having the same birthday is at least 50 percent.
May 25, 2007

some algebra help (radicals)
DUH-R U DUMB OR SOMETHING?!?!?
May 6, 2007

reading
how
May 3, 2007

algebra 2
i forget what the n in the factorial theorem (n/r-1) is. Does anyone know? In statistics, "n" typically stands for the number of scores in a sample. I hope this helps. Thanks for asking.
May 1, 2007

govt economics
well i am in a homeschool program and i lost my book, and have 3 more exams to do before i graduate high school. Ive tried just using the internet and google and all that to complete it, and i cannot afford a new book. the exams are all multiple choice so heres one of the ...
April 30, 2007

MATH
5
April 29, 2007

Discrete Math
You are stranded on a deserted island, and along the way you stumble across a genie. He says he will get you off the island provided that you can meet his conditions. He hands you a 20-sided die, and says that you need to roll it 1000000 (one million) times. If you can roll ...
April 29, 2007

chem
how do u solve for C and b is basically the Kw(1X10^-14)/the Ka
April 28, 2007

Math
There are two kinds of people live in the country of King Arthur: those who always say the truth and those who always lie. One day the king ordered that all the liars must be put in jail. A woman, whose husband was put in jail, went to see the king and said to him: "My ...
April 28, 2007

science
water from the earths surface moves in the air by ? and becomes ?. evaporation, and becomes water vapour in the earth's atmosphere
April 24, 2007

Project Management
Can you please let me know if it is true or false that Gantt Chart is good for planning but not an effective tool for control.
April 21, 2007

Law ( contract)
Frank and fanny farmer have been married to 10 years. On march 1, 2002 fanny farmer decides to go on “strike” she refuses to do any farm chores or chores around their home. She puts up a big sign by the road and writes in bold letters “ FANNY FARMER IS ON STRIKE...
April 21, 2007

geography
explain how partial melting and fractional crystallisation produce felsic magma from more maficparent magma Would this help: http://en.wikipedia.org/wiki/Fractional_crystallization_%28geology%29
April 21, 2007

chemistry
what transition metal complex is responsible for transporting oxygen in our blood? Also, what is its structure? The transition metal (there are several transition series---I assume you are referring to the 3d transition metals) is iron. As to its sturcure, the iron itself has ...
April 17, 2007

chemistry
what product is obtained by reacting methylamine with salicylaldehyde in a 1:1 ratio? This is related to your other about salicylaldehyde. The product is an imine and the other product is water.
April 17, 2007

chemistry
What is the molar mass of salenH(2) and nickel(II) salen? I don't know shat salen is? Do you have a formula? Salen is a contraction for salicylic aldehyde and ethylene diamine which are the reactants for the basic ligand. There are a number of these so you will need find ...
April 17, 2007

Social Studies
What were the Mummy-shaped figures that worked in the afterlife's fields for the mummy. amerald
April 16, 2007

chem!
A common flaw in calorimetry experiments to determine the molar enthalpy of solution is to have a mass of solute that is inappropriate for the volume of water used resulting in a temperature change that is too small or too large. A temperature change of 5°C to 10°C is ...
April 14, 2007

Math
I got 15
April 12, 2007

English thinking
I am looking for why the media does not talk about bird flue , any more? Is there is some reasons why they do not talk about it anymore, do u have any idea? Yes. It does not sell anymore. Media tend to go with sensationalism, and not cover subjects that are well worn. Some of ...
April 10, 2007

math
input- output numbers input output 1 21 2 40 3 59 4 5 6 7 inputx19+2
March 30, 2007

Math --please check
What is 12% of 250? Is it 30? Is decimal notation for 19% 0.19? Thank you! Yes, 12 percent of 250 is 30. Yes on the second. Yes to both.You're Welcom!!! =)
February 27, 2007

math HOW DO I CONVERT A FRACTION TO A DECIMAL???
Hi
February 25, 2007

Business law
You own a business that is located in the mall. The mall requires that you open 7 days a week, from 10:00 a.m. to 7:00 p.m. Your religion prohibits you from working on Sundays. The mall management issues an eviction notice for your business. Can you sue? What court? What issues?
February 21, 2007

Business Law
You own a radio station. Your DJ picked up the unedited version of Ludacris’ new CD that contained some profanity. He played it during the morning version of his radio program. You are fined $500,000. Can you sue? What court? What issues?
February 21, 2007

Chemistry
Each Rolaids tablet contains .550 g of calcium carbonate and .110 g of magnesium hydroxide. Kroger Extra Strength antacid tablets contain .750 g of calcium cabonate per tablet. What is the neutralizing ability per gram for each tablet in mol/g? Might not be able to answer with...
February 20, 2007

Chemistry
If one gram of sodium bicrbonate made it into your stomach from 1 teaspoon of baking soda, how many moles of acid could it neutralize? mols NaHCO3 = grams/molar mass. mols HCl=mols HCO3%-
February 20, 2007

Chemistry...kind of
How do medications such as Pepcid AC and Xantac treat acid reflux? If anybody can find a web-site that explains this it would be great! I'll help you if you help me...please.! http://www.answers.com/topic/famotidine
February 20, 2007

English
what does it mean when someone said? how is Mike,Is he behaving himself? It means that Mike sometimes does not behave as well as might be expected. The person asking wants to know if Mike has been being good.
February 19, 2007

Chemistry
How many ml of a 0.827 Molar KOH solution is required for neutralization in a titration of 35.00 ml of 0.737 Molar H2SO4? Write the equation. 2KOH + H2SO4 ==> 2H2O + K2SO4 mols H2SO4 = M x L = 0.03500 L x 0.737 M = ?? mols KOH = 2 x mols H2SO4 from the equation. mols KOH = ...
February 17, 2007

Chemistry
What is the net ionic equation when H2SO4 is neutralized by NaOH in aqueous solution? Write the molecular equation. H2SO4 + 2NaOH ==> Na2SO4 + 2H2O Convert to ions. 2H^+ + SO4^= + 2Na^+ + 2 OH^- ==> 2Na^+ + SO4^= + 2H2O Now cancel those ions that appear on both sides of ...
February 17, 2007

math
how do i do x2+12x+32 x2+12x = 14x+32 subtract 14x from each side 14x=32 divide by 2 7x=16 x=16/7, which is 2 and 2/7 ok maybe you typed that question wrong? is it x^2 + 12x + 32 ? if it is then the solution is: (x+8)(x+4) because when you multiply them you use foil; so ...
February 14, 2007

science
what is the voltage of a wall socket? Most in the U. S. are 120 volts. There are more 220 v sockets being installed for operating electric stoves, heat pumpts, etc now than in the "old" days.
February 13, 2007

Chemistry
How much Ca(NO3)2 should be weighed out to have 0.650? To have 0.650 what of what. Do you want 0.650 g Ca?
February 7, 2007

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