Questions Asked on
September 23, 2008

Partial Pressure Chemistry
A gaseous mixture of O2 and N2 contains 31.8 % nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 445 mmHg?
asked by Sarah 
chemistry
For each of the following chemical reactions: a.)classify the reaction as combination, decomposition,single replacement, or double replacement. b.)complete the word equation. c.)using the formulas for both reactants and products, balance the chemical
asked by Yeah 
Enthalypy Reaction
What is the standard enthalpy of reaction for the following chemical reaction? CO2(g) + 2KOH(s) > H2O(g) + K2CO3 (s) Express your answers numerically in kJ.
asked by Sarah 
Physics Projectile Motion
A rifle is aimed horizontally at a target 50m away. The bullet hits the target 2.0cm below the aim point. A. What was the bullet's fight time? B. What was the bullet's speed as it left the barrel?
asked by Erinne 
Physics Projectile Motion
A rifle is aimed horizontally at a target 50m away. The bullet hits the target 2.0cm below the aim point. A. What was the bullet's fight time? B. What was the bullet's speed as it left the barrel? But i do not have the time and the equation i think in the
asked by Erinne 
SCI
so would it be better to place a wilted flower in tap water or distilled water? Answer: I would say distilled water because it contains a lower cocnentration of solute than the flower and therefore the water would more easily diffuse into the flower. Tap
asked by Lena 
chemistry
Question 1. A Compound Containing 3 Atoms Of Carbon & 8 Atoms Of Hydrogen Is Combined In A Reaction With Oxygen Molecules. The 2 End Products Of This Equation Are Carbon Dioxide &water. What Element Should You Look At 1st In Balancing This Equation? Choose
asked by Jen 
Chemistry  please answer
I think I managed to totally screw up my computer so I did already post this question, but from what I see it is gone now. I don't really know if its actually there or not cuz I can't do anything with computers but here is the question: Hydrogen cyanide is
asked by ari 
stoichiometry
Hydrogen cyanide is produced industrially from the reaction of gaseous ammonia, oxygen, and methane. 2 NH3(g) + 3 O2(g) + 2 CH4(g) ¨ 2 HCN(g) + 6 H2O(g) If 5.27 103 kg each of NH3, O2, and CH4 are reacted, what mass of H2O will be produced, assuming
asked by ari 
Chemistry
Question 1. A Compound Containing 3 Atoms Of Carbon & 8 Atoms Of Hydrogen Is Combined In A Reaction With Oxygen Molecules. The 2 End Products Of This Equation Are Carbon Dioxide &water. What Element Should You Look At 1st In Balancing This Equation? Choose
asked by Jen 
Physics:Projectile Motion
A rifle is aimed horizontally at a target 50m away. The bullet hits the target 2.0cm below the aim point. A. What was the bullet's fight time? B. What was the bullet's speed as it left the barrel?
asked by Erinne 
Algebra 1 honors
A pineapple drink contains 15% pineapple juice. How much pure pineapple juice should be added to 8 quarts of the drink to obtain a mixture containing 50% pineapple juice.
asked by Lisa 
science
trace the energy transformations from a radio signal to the music you hear
asked by bailey 
Social Studies
Fascism in Germany differed from fascism elsewhere in Europe in its extreme emphasis on: a. racism b. elitism c. militarism d. nationalism ...and why?
asked by Anonymous 
Calorimetry Chemistry
Please help with these questions. Thanks Consider the reaction C12H22O11(s)+ 12O2(g)>12CO2(g)+11H2O(l)
asked by Sarah 
Chemistry
Three gases (8.00 of methane,CH4 , 18.0 of ethane,C2H6 , and an unknown amount of propane,C3H8 ) were added to the same 10.0L container. At 23.0 degress celsius , the total pressure in the container is 3.90 atm. Calculate the partial pressure of each gas
asked by Sarah 
Science
I grew in a cave, but i'm not alive. i began as water and minerals, but now i am solid. i grow upwards, but i never see the sky. What am i?
asked by Samantha 
physics
A sailor in a small sailboat encounters shifting winds. She sails 2.00 km east, then 3.50 km southeast, and then an additional distance in an unknown direction. Her final position is 5.80 km directly east of the starting point. a) Find the magnitude of the
asked by Star 
math
i don't understand standard form math and i have to questions what is nine hundredths in standard form and sixteen and six tenths in standard form?
asked by tamija 
Mathematics
Carletta has $10,000 to invest. As her financial consultant you recommend that she invest in Treasury Bills that yield 6%, Treasury Bonds that yield 7%, and coroporate bonds that yield 8%. Carletta wants to have an annual income of $680, and the amount
asked by Anonymous 
bob sci.
keeping osmosis in mind, would it be better to soak wilted flowers in distilled water or normal tap water? I was thinking tap but I`m not sure why I`m thinking that. Maybe because tap water has a higher solute concentration that than distilled. i`m not
asked by Lena 
Algebra
The hypotenuse of a right triangle is 5cm long. One leg is 3cm longer than the other leg. Find the dimensions of the shorter leg. (give your answer in radical form)
asked by mary 
ALGEBRA
A painter is to mix green and yellow paint in the ratio of 4 to 7 to obtain the color she wants. If she has 28 liters of green paint, how many liters of yellow paint should be added? I need to know what algebraic equation I need to use...I believe this is
asked by JAY10 
macroeconomics
Year  2000 Nominal GDP: 9,817 Real GDP: ___________ GDP Deflator: 1 Inflation 2.2 Real GDP Per capita: _________ Population 283.7 Year – 2001 Nominal GDP: ________ Real GDP: 9,891 GDP Deflator: _________ Inflation 2.4 Real GDP Per capita: _________
asked by Ella 
chemistry
In the extraction of an organic compound from a dilute aqueous solution, will the organic solvent form the uppoer or lower layer when each of the following solvent is used? a. chloroform b. cyclohexane c. heptane d. dichloromethane
asked by Poole 
trig
The displacement (in centimeters) of a particle moving back and forth along a straight line is given by the equation of motion s= 2 sin pi t + 3 cos pi t, where t is measured in seconds. (a) Find the average velocity during each time period: (i)[1,2] (ii)
asked by Sarah 
Business  Sources of finance
I have an assignement to do based on different types of sources of finance... im part way through exteral sources, i want to know how shareholders generate capital for a business Please could somebody help me or point me in the right direction? cheers
asked by Sam 
physics
A crate of mass m (=40 kg) is placed at rest on a (frictionless) inclined plane, which has an angle (= 30o) above horizontal. a.) The force of gravity on the crate is: b.) The normal force on the crate is: size: N c.) The net force on the crate is: size: N
asked by kelsey 
Calorimetry
A calorimeter contains 21.0 mL of water at 12.0 degress Celsius. When 2.40g of X (a substance with a molar mass of 50.0 g/mol ) is added, it dissolves via the reaction X(s)+H2O(l) > X (aq) and the temperature of the solution increases to 29.5 degress
asked by Sarah 
Grade 11 maths plz help!!!
A software company started with 2 employees. In 6 months, the company had 7 employees. The number of employees increased in a steady rate. Which equation models the relationship between the number of employees n and the number of months m since the company
asked by Anjali 
physics
a thin wire with linear charge density _ is surrounded by a conducting cylindrical shell. (a) If the electric field must be zero inside a conductor, is the electric field due to the wire shielded from extending beyond the conducting shell? (b) Find the
asked by al 
Volcanoes
Why does high silica magma tend to from volcanic domes with steep sides?
asked by Darla 
Microeconomics
In a natural monopoly: A) Society would be better off if antitrust laws were used to create many different firms in the market B) The marginal cost curve is positively sloped C) If the government requires marginal cost pricing, it must pay the monopolist
asked by G 
science
so would it be better to place a wilted flower in tap water or distilled water? Answer: I would say distilled water because it contains a lower cocnentration of solute than the flower and therefore the water would more easily diffuse into the flower. Tap
asked by Lena 
College Algebra Word Problem
I have been racking my head with this one and don't know how to approach it. The question is: A bank loaned out $64,000, part of it at the rate of 13% per year and the rest at a rate of 5% per year. If the interest received was $6000, how much was loaned
asked by Marlon 
math
what happens to a man who carries an ax in his teeth?
asked by jessica 
Literature
In Lord of the Flies, what does Piggy suggest they can do with their hair?
asked by Abriel 
CHem
Sterling silver is a mixture of silver and copper having a mole ration of silver to copper equal to 7.8 what is the mass percent composition of this mixture? Ok I know the answer to this and I know how its done: 1 mol Cu weighs 63.5 g 7.8 mol Ag weigh
asked by natash 
sci.
keeping osmosis in mind, would it be better to soak wilted flowers in distilled water or normal tap water? I was thinking tap but I`m not sure why I`m thinking that. Maybe because tap water has a higher solute concentration that than distilled. i`m not
asked by Lena 
Chemistry
2HCr4 + 3HS03 + 5H+ > 2Cr3+ + 3SO4^2 + 5H20. At t=0, 0.0249 mols of HCr04 are loaded in to 250ml of solution. After 1/10 of an hour, 0.00852 mol of HCrO4 remain. Assuming the solution volume remained the same, how many grams of water were formed per
asked by Tri 
HHS 225
1.what have been the most significant changes in health and human services over the past fifty years? 2. How has society responsibility to individual needs changed in the last ten years? 3. Who should determine health and human services need? 4. What
asked by Silvia 
Social Studies
Through which four South American countries does the 20 degrees South line of latitude pass
asked by Kaitlin 
college board
what does the SQ3R method stand for?Example: S Q R R R
asked by brooke 
math
ok so I asked a question like this before and I understood how to do it and a cuple more like it but now I don't understand how to do this on ..... I keep on trying to find the answer but I just don't understand what I am supposed to do 5(2w+1)=25
asked by Sara 
Mathematics
Carletta has $10,000 to invest. As her financial consultant you recommend that she invest in Treasury Bills that yield 6%, Treasury Bonds that yield 7%, and coroporate bonds that yield 8%. Carletta wants to have an annual income of $680, and the amount
asked by Kevin 
Algebra Continued
2)A motorboat leaves a dock and travels at an average speed of 15mi/h toward an island. The average speed on the return trip is 10mi/h. How far is the island from the harbor if the total trip takes 5h? (HIntfirst find the 2 times)
asked by Chris 
English
In the book Dr. Dolittle is it written in 1st person, 2nd person, or 3rd person omniscent or limited?
asked by Aliyah 
?
how do I do a chapter outline .... my teacher said we should have already learned how to do it but I have never learned how to do one.
asked by Sara 
HISTORY
1. WHAT WERE THE CONSEQUENCES THAT LEAD MUSLIMS KINGS TO ATTACK INDIA ? 2. wHAT WAS THE SECRET BEHIND THE VICTORY OF MUSLIM KINGS ?
asked by DIGVIJAY 
Math
Sppose each friend received $39 from selling the 13 tshirts.How much profit did the students earned for each shirt?
asked by N 'aicha 
Chemistry
Hello, I am having trouble with a question from my chem lab. Here is my data Weight of empty crucible and cover = 21.113 g Weight of crucible, cover, MgO and Mg3N2 = 21.906 g Weight of crucible, cover, MgOand addition of H2O and heat =21.909 g The change
asked by Steve 
Science Fair
My school has a Science Fair coming up and I would really like to win this year with an impressive EXPERIMENT! Any suggestions? I am in 11th grade.
asked by Rhondi 
english
Can someone help me find the thesis in this article Please? In coming to grips with AIDS, the worst health calamity since the Middle Ages and one likely to be the worst ever, consideration inevitably turns to the numbers. According to estimates from
asked by Anonymous 
physics
the region 0 < r < r1 is a charged insulating sphere with uniform charge density _E, the region r1 < r < r2 contains free space, and the region r2 < r < r3 is an insulating spherical shell with uniform charge density ��_E. What is the
asked by al 
chemistry
Which of the following accurately shows the correct terms for the two sides of a chemical equation, correctly placed to the left or to the right where they belong, and also shows the correct symbol that is written between them? Choose a,b,c, or d. the
asked by Jen 
Chemistry
Which of the follwing is NOT acidic? a. Milk b. saliva c. soft drinks d. blood I believe the answer is d
asked by Jen 
math
if y is equal to the logarithm of x to the base 5, what is the logarithm of x to the base 25 in terms of y?
asked by Kidist 
english
ms sue r u a real teacher or a computer?
asked by Sarah 
biochem.
why is it important for the intravenous fluids to have the same solute concentration as your blood? Answer: If the intravenous fluids did not have the same solute concentration, then the red blood cells would shrink, if the intravenous fluids were
asked by Lena 
Math
Write 9+7 as a sum of three numbers, two of which add to 10.
asked by V 
10th grade
In addition to sight how else do fish sense their surroundings?
asked by Heather 
logarithm
Solve the equation for x. e^ax=Ce^bx, where a cannot equal b So is the answer x=(1/ab) ln C
asked by Sarah 
math
5(2w+1)=25 can someone give me step by step insructions to solve this question because I don't understand what I am supposed to do first
asked by Sara 
Algebra
I have no clue how to do this (uniform motion 1)2 bycicles start from the same point and ride in opposite directions. 1 rider is moving twice as fast as the other. In 3h, they are 72mi apart. Find the rate of each rider
asked by Chris 
Mathematics
3x3y=12 3x+2y=3 2x+y=4 Solve each by reduced row echelon form and if no solution, say it is inconsistent.
asked by Kevin 
math
Write an equation of the line that passes through(6, 10) and is parallel to the line x = 5.
asked by Tiffany 
Math
If the three friends equally divide the profit from selling the 13 tshirts, how much will each receive?
asked by N 'aicha 
lab chem
If toluene (density 0.87) wre used to extract ethylene bromohydrin (density 2.41) from an aqueous solution, a. Could you be certain that the organic solution would form the upper layer? b. by what test could you identify the nonaqueous layer.
asked by Poole 
Science
road salt has been dropped on grass. keep osmosis in mind, what would happen? answer: since the road salt is hypertonic solution and therefore the water in the grass would diffuse into the road salt thus causing the grass to die. Is this right? What should
asked by Lena 
Language
Rewrite this sentence using (It) ate the beginning. As it was moving with great speed downhill its driver had difficulty trying to stop it. Thankyou
asked by Rhondi 
math
What least number must be added to 1056 to get a number exactly divisible by 23?
asked by ra ny 
mathematics
who introduced the Quadratic Formula?
asked by chaska 
year 8 re
i need to find 3 pieces of evidence of what jesus did and 3 things what jesus didn`t do. for the 3 things jesus did i have found feeding the 5000 , walking on water and healing the sick but i am having trouble finding evidence for what jesus did not do.
asked by zoe 
american government
what is split ticket voting?
asked by lisa 
physics 3
Static and Kinetic Friction: A 10 kg crate is at rest on a horizontal table (s =0.8, k =0.4). Then various amounts of horizontal pushing force are applied to it. a.) The largest pushing force that can be applied before the crate starts moving is of size: N
asked by kelsey 
Economics
(Value in billions of dollars) Consumption = 140 Business fixed and residential investment = 27 Inventory stock at the end of 2003 = 10 Inventory stock at the end of 2004 = 5 Depreciation = 12 Government outlays = 80 Government purchases = 65 Total
asked by lucky 
Grade 11 maths!!!
The drama club plans to attend a professional production. From 10 to 35 students will go. There is a onetime handling fee of $3. Each ticket costs $25 plus $2 surcharge. Write a linear function that models this situation. Show the work if possible
asked by Anjali 
Social Studies
Should governments tolerate the actions of dissident groups?
asked by Anonymous 
SCI
Hypothetically speaking, I placed a cell in a glass of water and after about a day the cell grew in size. Why did the cell grow? Well I was thinking this: The reason the cell grew was because there was a higher concentration of water outside of the cell
asked by Lena 
English Lit
I have to 'discuss the language' of some quotes which I have taken out of the text which I'm doing, but I'm not sure what to do. With this, do I have to talk about punctuation marks, specific words? Thanks!
asked by Jess 
music
the meaning of the word rest heads
asked by jamie 
Chemistry
Fill in the blanks with a, b, c, or d. When comparing the strength of bonds between molecules, Ionic bonds have _______ bonds, and molecular bonds have _____ bonds? a. very strong, weaker b. weak, strong c. strong, very strong d. weak, very weak I believe
asked by Jen 
math
Solve the system of equationds by graphing. u=v 4u=3v3
asked by RomanRamirez 
ENT125
How do you think slavery influenced the evolution of both Black and White America today? Explain your answer
asked by Anonymous 
science
why is it important for the intravenous fluids to have the same solute concentration as your blood? Answer: If the intravenous fluids did not have the same solute concentration, then the red blood cells would shrink, if the intravenous fluids were
asked by Lena 
statistics
For the men age 18 and over the avg height was 69 inches with an SD of 3 inches and avg weight was 190 lbs with an SD of 42 pounds. the r value is around 0.41. Estimate the average weight of the men whose heights were 66in, 24 in, and 0in.
asked by amanda 
Math
Which of the following dimensions of a circle is always smaller than the other two? a. the circumfrence b. the diameter c. the radius d. it depends on the size of the circle I believe the answer is C
asked by Diane 
Math
Area is calculated in _______ dimensions, and volume is calculated in ___________? a. two, two b. two, three c. three, two d. three, three I think the answer is B
asked by Diane 
Math
Calculate the area of the base of a fountain if the distance from the center of the fountain to the edge of the base is 10ft a. 314 sq ft b. 414 sq ft. c. 514 sq ft d. 614 sq ft I believe the answer is A 3.14(10)(10) = 314 sq ft
asked by Diane 
MATh/UNiT RATES
FIND THE UNIT RATES AND WRITE THEM BOTH IN FRACTION AND WORD FORM. 7.Gabrielle bikes 78 miles in 6 hours.
asked by DEANZA 
last question sci. :)
road salt has been dropped on grass. keep osmosis in mind, what would happen? answer: since the road salt is hypertonic solution and therefore the water in the grass would diffuse into the road salt thus causing the grass to die. Is this right? What should
asked by Lena 
Prealgebra 7th NEED HELP
This is a question my teacher gave me and there are no parenthesis or whatever you might think it needs. It's 20 divided by 4 minus 5 plus 12. I think the answer is 12, but I'm not sure. PLEASE HELP!!!
asked by Laura 
history
what does it mean that the united states has a mixed economy
asked by kim 
Math
Luna, Mason ,and Gabriel make and sell handpainted tshirts .They make a profit of D dollars for each shirt they sell.If they sell 13 tshirts, how much total profit will they make?
asked by N 'aicha 
alg
find the inverse of y=6x + 3
asked by jerson 
Algebra continued
A car trveling at 88km/h. If the bus has a 1.5h head start, how far from the starting point does the car overtake the bus?
asked by Chris 
math
when you find the probability of an event happening by subtracting the probability of the event not happening from 1, we are usning
asked by marie 
math
How can I place the following set of numbers in ascending order. 20,7,5,5,12,4,15
asked by PJ 
Math
Suppose F more friends join the business.If the group sells 20tshirts and divides the profit equally, how much will each friend receive?
asked by N 'aicha 
Language
Rewrite this sentence using "No" at the beginning. It doesn't matter whether you are busy or not, he always insists on accompanying you.
asked by Rhondi 
Statistics
Using the standard normal distribution tables, the area under the standard normal curve corresponding to Z > –2.62 is a. 0.0044. b. 0.0047. c. 0.9953. d. 0.9956. The answer is D How do i find the answer on the Table C or just in general?
asked by Matt 
Spanish
How do you conjugate "sugerir" in present tense? Thank you!
asked by Momo 
Physics
A computer and monitor use 800J of electric energy each second. The monitor produces 30J of light energy each second. The fan in the computer converts 15J each second into kinetic energy. The lights on the tower give off 10J of light energy. If all the
asked by Jessica 
Social Studies
How do bodies of water affect temperatures
asked by DeeDee 
science
how do u cite a source that has no info ur looking for? isnt that dumb, i mean im trying its not coming to me what should i do?
asked by mikayka 
Social Studies
How would you expect winter temperatures to differ in a coastal city at the same latitude as the interior city?
asked by DeeDee 
earth geology
What are the main differences between topographic and geologic maps?
asked by Sassy 
College Algebra
solve systems of equations by graphing... I get how to graph and solve equations but i just don't understand why its coming out wrong u=v 4u=3v3
asked by RomanRamirez 
music
the meaning of the words
asked by jamie 
Chemistry
Which of the following is an example of a Homogeneous mixture? a. the hydrogen and oxygen atoms that make up water b. A typical soil sample c. a glass of orange juice d. a bottle of table vinegar I believe the answer is d
asked by Jen 
calculus
Solve the equation for x. e^ax=Ce^bx, where a cannot equal b Can someone explain this pleaseee!
asked by Sarah 
8th grade
I am having trouble with these kinds of problems and I ask my teacher but he doesnt explain it good enough. Will you please tell me step by step instructions to solve this type of problem... 2(z + 11)=6 thank you
asked by Sara 
health
Describe the importance of Blue cross and Blue Shield plans in the evolution of health care coverage.
asked by bobbi 
social studies
where is the united states federal goverment located
asked by abby 
artist
Why would some people like having music as their art in school?
asked by N 'aicha 
english
what's great than god, worse than the devil, the rich need it, the poor have it, and if u eat it u'll die?
asked by Sarah 
math
what dose the n stand for in the math question 54n=24
asked by abby 
Math
What is the area of a square, of the length of any of its sides is 3.5cm? a. 3.5cm2 b. 7cm2 c. 10.5cm2 d. 12.25 cm2 I believe the answer is d 3.5 x 3.5
asked by Diane 
math
what dose the n stand for inthe math question 54n=24
asked by abby 
Math
If you are calculating the capacity of material that will fit inside a box, you need to measure the _____ edges of the box. a. outside b. inside c. top and bottom d. overall I believe it would be B
asked by Diane 
Math
Complete the following statement in the best way: Before you can solve any formula for area or volume, you must be sure that all your measurements are in the same __________. a. number of digits b. proportion c. decimal value d. Units I believe it is UNITS
asked by Diane 
7TH MATH
HOW TO USE THE EQUATION TO COMPLETE THE TABLE. y=4x+3 x 1 2 5 10 20 y . . . . . d=3.5t t 1 2 5 10 20 d . . . . .
asked by KIKIME 
Math
what formula do you use for calculating the volume of a box? I think it is V=lwh
asked by Diane 
Math
If a point of a threedimensional system is labeled with the coordinates (1, 2, 2) what is the Z coordinate? a. 1 b. 1 c. 2 d. 2 This one I am not sure but I think it is d.
asked by Diane 
homework
Which of the two procurement strategies (RFP) is most effective for a human services agency? Does the procurement system serve the best interest of human services agencies and those they support? Is it The Request for Proposals or Invitation for Bids (IFB)
asked by shashana 
chem
Explain the fact that acetic acid can be extracted quantitatively from ether solution by dilute aqueous sodium hydroxide solution.
asked by Omar 
Literature
In chapter 12 of lord of the flies, explain the significance of the last line.
asked by Abriel 
Presidents!
which president refused 25k salery?
asked by CNS! 
history
What are some websites that will help me research African Americans in the colonial times?
asked by brooke 
4th grade
what is simple subject and simple predicate
asked by boo 
health
what do the acronyms fats and plan in regards to the food pyramid stand for?
asked by denny 
biology
how is the vertabrate skeleton organized, and what does each section include?
asked by Heather 
AlgebraII
Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression for your classmates to simplify.
asked by Nadia 
Science
What is the difference between a stage 2 rocket and a stage 3 rocket?
asked by Maria 
11th grade
Rewrite the following sentence using the beginning word.( Had they realized how difficult it was to climb the mountain, they would have lost courage.) Now begin this sentence with (If) Thank you
asked by Rhondi 
alg
the viewing window is defined by 3 is less than or equal to x is less than or equal to 7 and 10 is less than or equal to y is less than or equal to 30. give the approximate coordinates of a) the xintercepts, b) the yintercepts and c) the relative
asked by jerson 
science
How does an increased level of estrogen in the bolld affect the pituitary gland?
asked by brook 
math
42=18t+4(t+5) this confuses me am i supposed to find the answer to both of the (Ts)? and how do i solve it
asked by Sara 
social studies
how did spain establish territorial claims in the caribbean and south america?
asked by yakelin 
home ec
What should you always use when handling hot utensils?
asked by Nick 
math
how to find how many degrees in a pentagon
asked by Nia 
college
I need help studing for my A&P test. I just don't get this stuff. does anyone know a easy way to remember this all?
asked by Ashley 
3rd grade
math to endure the heat,firefighters wear protective gear that weighs about 40 pounds.If a suitedup firefighter weighs 220 pounds,how can you use mental math to find the firefighters weight without the gear?
asked by trinity 
Ap Bio
Lab 12  Dissolved Oxygen & Aquatic Primary Productivty. Ask to DESIGN an experiment to measure the effect of salinity on the solubility of oxygen in water. What variables would need to control?
asked by kelly 
science
When the oceans first formed were they salty
asked by Dominique 
math
Is neg. 0 more or less than neg 4?
asked by shar 
math
Explain how you would use a number line to round 148 to the nearest 10.
asked by Deja 
math
Round 5,555 to the nearest hundred.
asked by Deja 
Ap Bio
SAME LAb  Collect a sample of water below some riffles in stream. Stream runs into a lake. 2nd sample from lake. Which smaple would you expect to have the higher DO? Explain
asked by kelly 
Language
Rewrite this sentence using WHEN THE FIRE at the beginning. After having at last put out the fire, the villagers helped the victims clear the building of all the rubble. Thank you Ms. Sue
asked by Rhondi 
government
The practice of drawing electoral district lines in order to limit the voting strength of a particular group or party is know as : A)preclearance B) gerrymandering C) mcCarthyism D)mckinneyism
asked by Anonymous, 
MATH
10 TREE'S, 5 ROW'S WITH 4 TREE'S IN EACH ROW?
asked by KELLY 
social studies
which land masses lie mostly within low latitudes
asked by nathan 
government
organizations that raise money to donate to candidates who agree with the organizations beliefs are called: A)ARMs,B)major parties C)minor parties D)PACs
asked by Anonymous, 
Math
If the new, larger group of friends sells X shirts, how much profit will each friend receive?
asked by N 'aicha 
Presidents!!!!
who was the youngest pres?
asked by CNS! 
Language
Rewrite this sentence using "Following" in the beginning. Johnson's son Michael, followed his father's footsteps many years later and also set a world record. Would this be correct Ms Sue? (Following in his father's footsteps, Michael also set a world
asked by Rhondi 
Math
Ireally didn't get it
asked by N 'aicha 
Environmental Sudies
How was the composition of plastics and paper products changed in the last 30 years? State possible reasons for such changes.
asked by Thano 
Sally
I have a factoring question; what is 8a^28a30? I've been working on this for a while and I think I understand factoring, but I'm not getting the right answer, which is supposed to be 2(2a5)(2a+3). Any help would be so appreciated! :)
asked by Math 
HELP!
which president annexed Oregon and California?
asked by CNS! 
eek! presidents!
which pres was tone deaf?
asked by Anonymous 
geography
What US state can be compared in size to the island of Hispanoila
asked by Kyle 
math
explain how you would use a number line to round 148 to the nearest 10
asked by Deja 
Language
Rewrite this sentence using "I suggest" to start. In my opinion, you are not giving all the facts of the incident. Would this be correct? I suggest that you are not giving all the facts of the incident.
asked by Rhondi 
Presidents!
Which president could speak 7 languages?
asked by Anonymous 
Art
I need a 3d picture of a mansion or a villa for my two point perspective can you tell me a good website PLease
asked by Holly 
Earth Science
My child is doing a project on the earth. He is trying to do a power point presentation on the earth. He ran across information that stated, "The earth is divided into several layers which have distinct chemicals and seismic properties". He would like to
asked by Roderick 
Social Studies
Why are climates near the poles different from climates near the equator?
asked by DeeDee 
sci.
I`m so confused about osmosis right now. If you place a cell in a hypertonic solute then wouldn`t the water go into the cell since they`re trying to acheive equilibrium?
asked by Lena 
accounting
Ignoring income taxes compute the amount of loss, if any, to be recognized by Banno as a result of retiring the $900,000 of bonds in 2007 and prepare the journal entry to record the retirement. On January 2, 2002, Banno Corporation issued $1,500,000 of 10%
asked by laxer22 
Social Study
How do you write a editorial on clean air.
asked by Little K 
science
speculate about how pollution of the ecotone might affect the surrounding ecozones.
asked by katherine 
Social Studies
Explain in what way ideological beliefs and modern concerns for human rights and justice are challenging the traditional beliefs and practices of the communist state in China.
asked by Ashley 
Chemistry
When I invert the concentration of say this equation: 2HCr4 + 3HS03 + 5H+ > 2Cr3+ + 3SO4^2 + 5H20. and get RSRRE wrt HS03, the rates of reactants is positive and the rates of products is negative. If say it is wrt HS03 which gives it a coefficient of
asked by Tri 
Social Studies
Are hurricanes an example of climates or weather?
asked by DeeDee 
Social Studies
What kind of climate occurs in most places near the equator
asked by DeeDee 
grammar
Is the date "1901" a proper know?
asked by Jenna 
math
If you have ten numbers and the alphabet on a key board what is the probibilty that a number will be picked first a letter second and a number third
asked by John 
math
the problem is 12 _ 2 _ 4 _ 3 =6 we have to use +, , x, /, parentheses and use the exponents 2 or 3 once to make this true Help
asked by Lynn 
biology
could you give some information about birth control conceptive thank you
asked by andreana 
English
What are adjectives in the following sentences. 1. The little electic car chugged over the steep hill and into the valley. 2. A bitter wind was blowing off the ocean the night that Keith heard the entire howling. 3. The unpublished story revealed a new
asked by Angela 
Algebra review
When putting ratios on a # line, how does someone know what numbers to put the fraction inbetween? example: 17/5
asked by Sarah 
physics
A simple Geiger counter is constructed out of a setup similar to what we just used in problem 5. A thin wire with a linear charge density _ is held in the center of a cylindrical tube, which is filled with an inert gas. When a high speed 2 particle coming
asked by al 
science
CHOOSE ANY DISNEY MOVIE TO MAKE THIS DIORAMA. MAKE A 3D MODEL OF PLAINS, PLATEAU AND MOUNTAINS AND WRITE 5 PARAGRAPHS ABOUT THESE THREE LANDFORMS. PLEASE HELP ME. THANK YOU.
asked by JACK 
eletronic
I want to know ten safety devices for electricity
asked by Shaquille Clarke 
health care in the US
What is the impact of medical professional shortages on healthcare delivery?
asked by jean 
science
Describe the biological interrelationships among the life forms in inda
asked by kevin 
language arts
list the two ways in which an author may introduce a story's setting?
asked by keegan 
science
What i the normal anatomy of sickle cell anemia?
asked by Jess 
IT 220
what security risks are associated with using a wireless network?
asked by sam 
college
what is another name for herpetologist? is it zoologists? thanks.
asked by Diana 
Chemistry help please
Can someone give me a little help. I'm stuck. Unit conversions, there are 4 quarts in 1 gallon there are 1.05 quarts in 1 liter there are 73 gallons in 2 barrels My question is, convert 12 liters to barrels?
asked by Sue 
math
how would you do 10 to the power of 3 X 500?
asked by caitlin 
english
what goes up but never comes down?
asked by caitlin 
science
what does the formula CHO stand for?
asked by Marlena 
science
What is birth control pills and its effects.
asked by andreana 
social studies
what is a word that means the same as nation goverment
asked by abby 
Presidents!
which president had a son names Bennie that died young, didn't swear on the bible at inauguration, is ranked among the least effective presidents ever and ran over a woman with his horse?
asked by Anonymous 
social studies
what are the indivdual right of a citzen under law called
asked by abby 
math
hello? could someone help me? 10 to the power of 3 X 500?
asked by caitlin 
Biology
For my Biology Lab I have to create a graph showing my results. We used an enzyme, and put in a substrate (H2O2). Every 10, 30, 60, 90, 120, 180, and 360 second H2O2 was killed with acid. To measure the amount of H2O2 we used KMnO4. Now to the question. I
asked by John 
math
I really need help with this problem!!! Solve for the unknown: 8/52=m/39 Help Please!!!!
asked by PJ 
Math
You want to install kitchen florr tiles that each measure 12 inches by 12 inches (1sq ft) Your kitchen measures 12 feet by 14 feet, but there is a 2 foot by 4 foot area around the sink that will NOT be tiled. How many tiles do you need? a. 142 b. 150 c.
asked by Diane 
Math
How would you say that biologists are not scientists to one of your classmates ?
asked by N 'aicha 
Presidents!
This president said "read my lips, no new taxes," then raised taxes pres during pursian gulf war was ambassador to IN CIA director negotiated weapons reduction treaty. who is he?
asked by Anonymous 
Language Arts
Can you think of 100 synynoms for the word said (or say)?
asked by Emily 
history
how had big buisnesses changed the face of the american buisness by 1990?
asked by christina 
chem
I want to know why indium and oxygen form In2O3, where does the 3 come from ?
asked by natash 
grade 8
what is the total amount of people a high school is allowed to have?
asked by Sarah 
Math
Which of the following is the Correct approximate value of "pi"(p)? a. 0.314 b. 1.14 c. 3.14 d. 3.33 I pick C
asked by Diane 
Presidents!
wouldn't ride in a 2nd hand carriage elected as a Whig passed bar exam with no formal education 1st tub and stove installed in the white house?
asked by Anonymous 
college
Hi, I have just return back to school. I am thirty one years old. my teacher gave me a list a words she would like me to make complete sentences. Also, she would like them to be interesting. the words are: its, it's, their, there, they're, conscious,
asked by Sherice 
Math
Calculate the area of a poster that measures 40 inches by 14 inches? it equals 560 sq ft correct?
asked by Diane 
math
plz explain how to figure out decimals and round off numbers. what is the formula?
asked by avie 
4th grade/math
round off and decimal formula. round off nearest hundred, whole numbers.etc.. thank ;you
asked by avie 
algebra
properties with real numbers
asked by suz 
Math
Calculate the area of a poster that measures 40 inches by 14 inches? SHOULD BE SQ INCHES it equals 560 sq inches
asked by Diane 
Presidents!
His wifes name was lemonade lucy??
asked by Anonymous 
math
what is the formula for the circumfrence of a circle? C=
asked by Diane 
HELP!!!
the people of the Us nicknamed him "Van Ruin". i googled it and it came back Van buren and harrison??
asked by Anonymous 
Math
How do you write h to the second power minus three divided by four in numbers ?
asked by N 'aicha 
Presidents!!!!
1st president born in USA?
asked by CNS! 
PreAlgebra 7th
What does 20 divided by 4 minus 5 plus 12 equal? I'm trying to understand the order of operation. I think the answer might be 12. Is this correct?
asked by Laura