Questions Asked on
February 28, 2009

Chemistry
Use the dilution relationship (Mi x Vi = Mf x Vf) to calculate the volume of 0.500 M NaOH needed to prepare 500 mL of .250 M NaOH. This is my work ? L Solution = 500mL x (1L/1000mL) = .500L ? mol NaOH = .500 L Solution x (0.250 M NaOH/1 L Solution) = .125
asked by Bob 
College Math
A bucket contains orange tennis balls and yellow tennis balls from which 5 balls are selected at random, but assume that the bucket contains 7 orange balls and 6 yellow balls. (1) What is the probability that, of the 5 balls selected at random, at least
asked by Sigmund 
Math
when 3g^24g+2 is subtracted from 7g^2+5g1, what is the difference?
asked by Angie 
science
In experiments involving a pithball electroscope, what causes the pithball to move? I believe the answer is B A. The pith material always holds a natural positive charge, and it is attracted to other charged objects. B. Electrons jump onto or off the
asked by Jenny 
literature
Please help me I'm not doing homework but research on Shakespeare's sonnet Shall I Compare Thee To a Summer's day? Why does Shakespeare refute his claim?
asked by Literature Help 
science
The Main Purpose Of The Grounding Pin In A Threepong Plug For An Appliance Is To __? What's The Main Purpose Is? i believe the aswer is c a. boost the current flow to the appliance b. prevent short cicuits c. prevent electrical shocks
asked by Jenny 
chem
Methyl violet is an indicator that changes color over a range from pH=0 to pH=1.6. What is the Ka of methyl violet?
asked by che, 
Planning 10
What is impersonal principles?
asked by Windster 
Algebra
Reduce each rational expression to lowest terms. Assume that the variables represent only numbers for which the denominators are nonzero. (a^2b^2)/(ab)
asked by alicia 
science
What is the journey of a cheese sandwichdigestion?
asked by megan 
statistics
a survey is to be conducted to determine the proportion of U.S. voters who support additional aid to African nations to fight poverty and HIV/AIDS. Of the proposed sammple sizes which is the smallest that will guarantee a margin of error of no more than 4%
asked by Rachel 
Science
There are two light bulbs in a circuit, wired in parallel. A third light bulb is added again in parallel. What is the effect on total resistance of adding this third bulb? I BELIEVE THE ANSWER IS C.... a. Total resistance increases by one third. b. total
asked by Jenny 
social
what are the top 3 reasons for the success of mongol empire? => is this correct: Mongols ended up ruling neighboring sedentary states directly rather than extorting them as earlier steppe empires had done
asked by Anonymous 
Math: Probability
I need help. Here's the queston. Julia has 3 red marbles, 4 blues,3 yellow and 6 black in a bag. She takes one out at random. The probability its black ___ The probability its yellow ___ The probability it isnt red ___
asked by Mark 
math
a^2b^2/ab reduce to lowest terms
asked by tom 
eng
Is the thesis statement the same thing as the main point?
asked by LOu 
Sonnet 130
Can someone help me figure out the overall tone of the poem
asked by Literature Help 
physics
a hiker walks 10.0km(NE), 5.0 (W) and then 2.0km(S) in 2.5h. What is the hikers displacement?
asked by alexia 
Math
how do you find relative error?
asked by Julie 
12th grade
Can you fine a love poem with ten syllables in it?
asked by lashay 
Math
how do you factor 16x^225y^2?
asked by Angie 
Math
how do you find half of 2^6?
asked by lindsey 
English Ms. Sue
Which is considered better therapeutic cloning or reproductive cloning? And what would be three main reasons why it is?
asked by Michele 
Algebra
Suppose you are at the gas station filling your tank with gas, The function C(g) represents the cost C of filling the tank up the gas tank with g gallons. Give the equation: C(g)=3.03g a) What does the number 3.03 represent? The cost of one gallon of gas;
asked by A.W. 
HSPA
alan wants to raise his grade from an 83 to 90 approx what precentage increase would that be?
asked by Carry 
mastering chemistry
A solution of volume 80.0 mL contains 16.0 mmol HCHO2 and 9.00 mmol NaCHO2. If 1.00 ml of 12 M HCl is added to this, what will be the resulting pH? (the only problem im having for this question is how to approach it, i know that by adding HCl the
asked by chma11 student 
Biology
How many amino acids are in the protein insulin???
asked by Sam 
culture diversity
What are some similarities and differences across cultures?
asked by lois 
math
which value of x makes the expression x+4/x3 undefined and why? a. 4 b. 3 c. 3 d. 0
asked by Angie 
college
what will be the final temperature of a 514g sample of water, intially at 10.0 celsius, after 90.8 kilo joules have been added o it ?
asked by queen 
chem help
You need to produce a buffer solution that has a pH of 5.08. You already have a solution that contains 10 mmol (millimoles) of acetic acid. How many millimoles of acetate (the conjugate base of acetic acid) will you need to add to this solution? The of
asked by chem 
Math
Please simplify. Write your answer using positive exponents. (8^2)^ 1 =? In case you are having trouble reading it, it translates to: (8 squared) to the 1 power (exponent) or (8 ^2) ^ 1 = ? Any ideas? I have an idea, but would appreicate some feed back!
asked by Tia 
Finite Math
Assume that 3 digits are selected at random from the set {1,3,5,6,7,9} and are arranged in random order. What is the probability that the resulting 3digit number is less than 700? I know the sample space is P(6,3) but that is all I know. Help!
asked by Willow 
science
How many Amino Acids is in the protein insulin?
asked by Samy 
chem help
Ammonia,is a weak base with a Ka value of 1.8x10^5 .What is the pH of a 0.22M ammonia solution?
asked by chem 
Political Studies
Hi. I kinda need some help. I need some against points on the topic "That Australia should have a space program" I have already looked at the other posts but I still need more. Oh and any Ideas for a possible split? Thanks in advance Minnie
asked by Minerva Wisdom 
cultural diversity
Complete the following matrix by identifying 7 to 10 leaders or legislative events from both the Civil Rights and Black Power movements. The first leader is provided as a model.
asked by james 
maths
help me simplify this 3/4*1/5*3/10 and 6 2/3 / 10/21
asked by samantha 
Algebra
Did I do thes right? 1. Suppose you are at the gas station filling your tank with gas. The function C(g) represents the cost C of filling up the gas tank with g gallons. Given the equation: a) What does the number 3.03 represent? The cost for one gallon of
asked by A.W. 
Microeconomics
If ticket prices and ticket sales have both been increasing steadily from 19982008. What would the Supply a Demand graph look like? Would it be just like a traditional one (like and X? I just don't get it.
asked by Adam 
Physics
a plane can fly at 200km/h in still air and has to reach a destination 600km northeast. a 50km/h wind blows from the west. in which direction must the plane head?
asked by Candice 
dividing monomials
this is the problem: 7a(2)power b (4)power c (5)power divided by 14 b(3)power c(6)power how do you simplify this
asked by Anonymous 
Education
State five schoolarly definitions of guidians and counselling
asked by Tosin osemeobo 
science fair project
why cant you eat six saltine crackers in one minute
asked by con 
prealgerbra
what is the answer to simplifying this equation: 25a^2 b^5 c^8/40 a^5 c^9
asked by ed 
math
39^2  4(3)^2 + 8  2 how do you solve this?
asked by maggie 
english
unscramble it petostr
asked by Anonymous 
Accounting
I'm tryng to draft a End of the Month Income Statement and I'm not sure what items to look for to record under the Revenue section. Can anyone please help or advise me what to look for?
asked by Precious 
US History
Describe how the Cold War ideology that crystallized after WWII changes wartime alliances that had existed during the war Decribe how American Cold War policies and preactices influenced international realtions from the late 1940's to the mid 1950s
asked by moon 
Science
What happens when you rub an ebonite stick with a wool cloth? (Choose below) I belive the answer is B? a. Electrons are transferred to the stick, causing it to take on a negative charge. b. Electrons are transferred to the stick, causing it to take on a
asked by Jenny 
English
I think they do, but can someone tell me if these 3 sentences contain conjunctive adverbs: It is one thing to have a baseball card from that era; undoubtedly, to have the opportunity to see Wagner play, though, that would be a real treat for us both. You
asked by Mike 
nursing
what aresome experiences a surgical unit in a hospital may see with critical nursing shortages
asked by april 
Science
There Are Three Resistance In A Parallel Circuit. Two Of Them Are Rated At 20 Ohms, The Other At 10 Ohms. What Is The Circuit's Total Resistance? I believe the answer D 5ohms A. 20 ohms b. 12 ohms c. 8 ohms d. 5 ohms
asked by Jenny 
English
I just want to make sure these sentences begin with subordinating conjunctions: Although there are a lot of concerned players, some haven't made the right choices. When I was young, I remember a time when the sports world was honest, and drugfree. As long
asked by Mike 
English
Do these 2 sentences have appositive phrases: To play ball like that again would be great. To have a fence like you did would be wonderful; I hope I have a fense in my backyard then, and the first time my grandson hits one over the fense I will pass the
asked by Mike 
English
Sorry, this is the last one Does this sentence begin with an adverb: Unbelievably, I found an article online that says that one like mine recently sold at an auction for over a million dollars. Does this sentence begin with a prepositional phrase: I hit it
asked by Mike 
Science
In a typical home electrical panel installation the main ground wire is conneted directly from a ground rod? I believe the answer is A A. case of the panel b. main breaker switch c. live bars d. electric meter
asked by Jenny 
beware: do not read this poem
what is the thme of this poem
asked by alex 
science
Which One Is The Right Answer? A Coulomb Is A Measure Of _____ Whereas An Ampere Is A Measure Of _____ ? I think the answers is A A.) Quantity & Rate  B.) Rate & Quantity  C.) Voltage & Resistance  D.) Quality & Quantity
asked by Jenny 
MATHS VERY URGENT :l
In each fruit hamper there were 7 oranges and 5 apples. 9 hampers were sold. How many pieces of fruit were sold together?
asked by Jessica. 
Maths
Eight full buses of tourists are on a tour of tourist spots. Each bus holds 75 people including the driver and 2 tour guides. Two bus firm are equally responsible for supplying the buses for the tour. How many tourists is each bus firm carrying?
asked by Jessica. 
basic Integration
I have three questions which I apparently have 'wrong' according to the book, but I've done lots of other questions which I've gotten right using the same method and I have triple checked these answers for these three questions so I was wondering if
asked by Anonymous 
english
Which of the following is the best opening sentence for a business letter that you want to sound fairly informal? A. I am in receipt of your order of February 10. B. This letter is to make you cognizant of our receipt of your order. C. Your order of
asked by dj 
Maths
A plane when full contains 120 passengers, 2 pilots and 4 cabin crew. If 12 such planes leave an airport in one day, how many people in total leave?
asked by Jessica. 
Shakespeare help
On the same research paper I'm doing for the same poem "Shall I compare thee to a summer's day" I don't know what image that he demonstrates how summer is unpredictable.
asked by Literature Help 
Chemistry
Why might exposure to organic chemicals be a problem? Refer especially to halogenated hydrocarbons and alcohols. Help please. thx
asked by Jane 
To Heather: Ethics
I removed your post because you refer to materials that are not available to the Jiskha tutors. We have NO connection with Axia College! You've also not given us any indication of your thinking about this assignment.
asked by Ms. Sue 
To Brandy: Cultural Diversity
I removed your post because you refer to materials that are not available to the Jiskha tutors. We have NO connection with Axia College! You've also not given us any indication of your thinking about this assignment  not even to the first instruction
asked by Ms. Sue 
math  question
Under what situation might one or more solutions of a rational equation be unacceptable?
asked by red 
math
8x22=
asked by Jamie Crofts 
math
35 divided by 5 ?
asked by Jamie Crofts 
math
24 divided by 3?
asked by Jamie Crofts 
CHEMISTRY
For the alcohol functional group, why is the "H" not acidic and the "OH" not basic?
asked by Zac 
Chemistry
Why are carboxylic acids and phenols acidic?
asked by Brad 
please answer!
Does music affect a child's ability to nap restfully? answer:Yes. WHAT WOULD BE MY VARIABLE?
asked by shortee 
Math
is there an easy way to find the !@#$%^&tion rule for a table?
asked by Angie 
english
a strongly help purpose or goal ???
asked by Anonymous 
math gcse probability
Trevor and his 2 brothers and 5 friends are seated at random in a row of 8 seats at the cinema. What is the probability that Trevor has one brother on his immediate left and one on his immediate right? i need the workings
asked by smart guy 
Repost: Science  for shortee
Posted by shortee on Saturday, February 28, 2009 at 7:16pm. Okay, so i need help finding my independent, dependent, and control of my science fair project. my probelem is: Does music affect the ability of a child's to nap restfully. 3 types of music i
asked by Writeacher 
Math
how do you factor 2x^2+10x12?
asked by Angie 
science
true or false: ecosystems with a lot of water support fewer organisms than ecosystems with little water?
asked by Bibi 17 
English
Does anyone know how long Hester Prynne in "the Scarlet Letter" was hold in jail (approximately) Thank you so much!!!
asked by Brielle 
Eng
Does anyone know any good websites that has notes/ essays, or any resources on It takes a family by Santorum
asked by Jen 
Math
Ryan estimates the measurement of the volume of a popcorn container to be 282 cubic inches. The actual volume of the popcorn container is 289 cubic inches. What is the relative error of ryan's measurement to the nearest thousandth?
asked by Julie 
Cultural Anthropology
Genelaized reciprocity,Balanced reciprocity, which one would more likely to be used by used car salesman? why?
asked by mimi