Wednesday
November 26, 2014

Posts by lillian


Total # Posts: 55

Chemistry
Find the theoretical and actual yield of 25.0g Pb(NO3)2+15.0g2NaI=PbI2+2Na(NO2)
September 16, 2014

math
if you have a jar filled with candy and every time you take one candy out you put the wrapper back into the jar. the wrapper takes 10% of the volume of a piece of candy. How many times will you have to fill the jar before half the jar is filled with candy wrappers?
May 7, 2014

algebra 2
1) You want to buy gift for a friend and that likes going to the movies. You want to spend no more than $40.00 but no less $24.00. The tickets are $7.50 each. How many tickets can you purchase for the friend? 2) You decide that you will spend more on your friend and you ...
September 17, 2013

Math
Pedro has two options: he can enter raffle number 1, OR raffle number 2 along with raffle number 3. If Pedro chooses to enter raffle number 1, he can buy up to 100 raffle tickets. Each ticket has a 1 in 50 chance of getting selected. If Pedro chooses raffle number 2/raffle ...
August 5, 2013

english first additional language
Ndebele traditional
April 18, 2013

Observing development of the young child
I think it's A
August 27, 2012

Math
A steamer goes 91 mi up a river in 6.5 h. The return trip is scheduled for 3.5 h. What is the rate of the water?
March 4, 2012

History
Oh and also May You also explain what an economic map is i understand the consept but i want to be sure.
October 10, 2011

History
Hello I am doing a project about the spanish colonial Floridians Time during the time when there was the 13 original colonies.For the Project I am doing a map of floridaand need to include floridas natural and industrial resources and their locations. I already have oranges ...
October 10, 2011

medical
whaen comparing the flow of lymph in the lymphatic system with the flow of blood in the circulatory system, it can be said that the lymphatic system also : A- USES A PUMP B- CONTAINS FLUID THAT TRAVELS IN ONLY ONE DIRECTION C-USES VALVES TO PREVENT BACKWARD FLOW CONTAINS FLUID...
March 4, 2011

Calculus
According to Kleiber's Law, the metabolic rate P (in kilocalories per day) and body mass m (in kilograms) of an animal are related by a three-quarter power law given below. Estimate the increase in metabolic rate when body mass increases from 65 to 66 kg. (Round your ...
February 23, 2011

Chemistry
when 6 M NaOH is slowly added to a solution containing chromium (III) ion, a precipate forms. However when an excess of 6 M NaOH is added, the precipated dissolves forming a complex ion with a coordination number of four. 1) write the formula of the precipitate. 2) write the ...
February 17, 2011

8th grade math
how do i set up a factor tree for 972
November 20, 2010

chemistry please help!!
IS THE ANSWER 57.14G OF H2SO4
November 14, 2010

chemistry please help!!
for thr reation: 2AlCl3 + 3H2SO4= Al2(SO4)3 + 6 HCl How many grams of H2SO4 are needed to produce 27.0 grams of Al2(SO4)3
November 14, 2010

medical
Choose the combining form which best completes the following group: PONT/O, CRANI/O, FORAMIN/O, _______. A. ENCEPHAL/O C. COCHLE/O B. BLEPHAR/O D. SALPING/O11
November 12, 2010

chemistry please help!!
thank you so much for all your help, i feel really good about taking the exam 2morrow
October 25, 2010

chemistry please help!!
For the reation: C3H8+5 02 =3 CO2+4 H2O How many moles of C3H8 are needed to make 3.60 grams of H2O? I think the ans is 0.05 moles c3h8
October 25, 2010

chemistry
is the ans 0.05 moles of C3H8?
October 24, 2010

chemistry
For the reation: C3H8+5 02 =3 CO2+4 H2O How many moles of C3H8 are needed to make 3.60 grams of H2O? I think the ans is 44.8molesc3h8
October 24, 2010

chemistry
For the reation: C3H8+5 02 =3 CO2+4 H2O How many moles of C3H8 are needed to make 3.60 grams of H2O? I think the ans is 44.8molesc3h8
October 24, 2010

chemistry
For the reaction C3H8+5CO2=3CO2+4H2O How many grams of co2 will be produced by buring 0.15 moles of c3h8?i thoink the ans is 16.2gco2
October 24, 2010

chemistry
sorry correction, For the reation: C3H8+5 02 =3 CO2+4 H2O How many moles of C3H8 are needed to make 360 grams of H2O? I think the ans is 44.8molesc3h8
October 24, 2010

chemistry
For the reaction C3H8+5CO2=3CO2+4H2O How many moles of c3h8 are needed to make 3.6 grams of c3h8? I think the ans is 44.8molesc3h8
October 24, 2010

chemistry
For the reaction C3H8+5CO2=3CO2+4H2O How many grams of O2 react with 8.80grams of C3H8? I think the ans is 32.0gO2
October 24, 2010

chemistry
Thank you DrBob222, For the reaction C3H8+5CO2=3CO2+4H2O How many moles of C3H8 are needed to produce 1.50moles of CO2? I think the ans is 0.5 molesC3H8
October 23, 2010

chemistry
for the reaction: c3h8+5o2=3co2 +4h2o how many moles of o2 will be produced in the complete combustion of 0.75 moles of c3h8? I think the ans is 2.25 moles of co2, but i am not sure because i still dont think I understand this fully please help
October 23, 2010

Chemistry
for the reaction: c3h8+5o2=3co2 +4h2o how many moles of o2 will be produced in the complete combustion of 0.75 moles of c3h8?
October 23, 2010

2nd grade
lol vasd
September 21, 2010

Finance
Medallion Cooling Systems, Inc., has total assets of $10,000,000, EBIT of $2,000,000, and preferred dividends of $200,000 and is taxed at a rate of 40%. In an effort to determine the optimal capital structure, the firm has assembled data on the cost of debt, the number of ...
August 9, 2010

grammar
It is he. It is also I, depending on who you are speaking of. If it is yourself and Mr. Jones, it would be I. If it were Mr. Jones and someone else, it would be he. He and Mr. Jones might even be better.
August 9, 2010

physics for life sciences
A car is driven at 80km/h on a horizontal road. If the car is now driven up 10m high rise, what speed would it have at the top of the rise? ( Assume thet the wheels of the car roll at all times so thatit dosen't experience sliding friction ; exclude any other dissipative ...
June 2, 2010

scholarship thing
for the scholarship, it says we can submit additional work that would give evidence to why we would excel in an honors program. i would really like to submit some photos i took but i'm not sure that would help me, especially when i plan on majoring in environmental studies.
January 1, 2009

health
What other services (social and health) might the mentally ill need?
November 11, 2008

visual
I need some explanation about fonts and how to use them. Need to complete an assignement requesting that fonts are used for shpwing contrast in 7 dimensions. My problem is tht I don't know how to determine the size of the letters by using a formula. I could measure each ...
October 7, 2008

college - visual arts
Is there a model to measure the letters/fonts so that each letter is the same size? Or, do I need to measure each letter individually? Thanks.
October 7, 2008

Chemistry- HWK CHECK
No u guys 5 really is B.. I wish i read these coments before putting C.. I regret it cuz C was seriouslyy wrong.. its positive. =D y would i try to screw everyone??? thats just mean.
August 4, 2008

Math
negative 9 times 5 over negative 3
May 25, 2008

frankenstein
Gothic novels emphasize on horror, mystery, and the supernatural. Horror: he creates a monster. Mystery: shown threw out the novel. A supernatual event would be that Electricity could bring something to life.
December 16, 2007

history
okay thanks
August 31, 2007

history
I know that's not what it's saying. That's why I put forgot in quotes. But aren't you implying that during the Dark Ages people may have thought the world is flat?
August 31, 2007

history
So, Jack, basically people thought the world was round, but in the Dark Ages they "forgot"?
August 31, 2007

history
When and where did people still believe the world is flat? I thought they did in Columbus's time, but I guess that was a myth? According to the page I read on wikipedia people believed the world was flat mostly only during the Classical Antiquity. But in the middle ages ...
August 31, 2007

History
Could someone explain the concept of judicial review and its impact on the balance of power in the United States Government? Judical review means that the courts can review congressional and administrative actions to see if they are constitutional. The Supreme Court gave ...
August 19, 2007

English
Can someone suggest any poems that somehow encapsulates the sentiments of Huckleberry Finn" by Mark Twain? I know of none, but one process you can use that MIGHT work is this: Go to http://www.quoteland.com and wander around until you find something that resembles ...
August 18, 2007

environmental science
Hi. I was wondering if someone could help me grasp a concept. The concept is that soon the world will run out of natural resources to sustain life on Earth as the population increases. This idea is presented in a book I am currently reading, EO Wilson's The Future of Life...
August 4, 2007

science/literature
Hi. I have to pick a book by Edward Abbey to read. Then I have to write a paper that covers: -what Ed was trying to accomplish with this piece -whether or not he accomplished his goal -what you think about his goals (good, bad????) I was wondering if anyone has any good ...
July 1, 2007

final project
need help
June 21, 2007

algebra
Can someone please help me with these problems? Write (27a^-3)^-2/3 in simplest form. Solve log(6x+11)=2. thanks Let me see your work, we can start from there. Alright! :D (27a^-3)^-2/3 =the cubed root of (27a^-3)^-2 =the cubed root of 27^-2a^6 i figured out how to do the ...
June 2, 2007

algebra
write (27a^-3)^(-2/3) in simplest form. solve log(6x+11)=2 please and thanks I am not going to give you the answers. I will be happy to critique your work. In the first, remember that (a^b)^c= a^bc I am not looking for the answers. And I told you: I'm not quite sure what ...
May 29, 2007

algebra
write (27a^-3)^(-2/3) in simplest form. solve log(6x+11)=2 please and thanks I need to see your work on the first. On the second, take the antilog of each side what is the antilog? I'm not quite sure what to do for the first, but this is what I tried to do: (27a^-3)^(-2/3...
May 27, 2007

chemistry
It decreases? If the air pressure increased, wouldn't that make the diver go down? What happens when you press on the pressure cap? Oh, yeah. So, at night the atmospheric pressure increases and therefore the diver sinks? Can someone help me with this question about a ...
May 24, 2007

medical science
What is the name for the condition when a person feels dizzy and passes out at the sight of blood? Thank you for using the Jiskha Homework Help forum. This is "blood phobia:" http://www.phobia-fear-release.com/blood-phobia.html P.S. Be sure to check "hemophobia...
May 22, 2007

chemistry
why does a can of soda explode in a hot car? As the temperature rises, the gas (carbon dioxide that make the fizzle in soda pop)exerts more and more pressure until the container ruptures. Any gas heated tries to expand due to greater molecular motion.If it is contained, it ...
May 21, 2007

chemistry
Does anyone know what advantage there is to using hot water to make ice cubes? Validated tests indicate it is faster to freeze because it has less dissoved air, some of it evaporates, and that evaporation cools it rapidly, and in the end, because some of it has evaporated, ...
May 20, 2007

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