Questions Asked on
June 2, 2009

college chem
Two questions where I have to write a balanced net ionic equation. 1. Write a balanced net ionic equation for the reaction that occurs when aqueous solutions of sodium chromate and silver nitrate are mixed 2. Write a balanced net ionic equaion reaction for
asked by kelly 
college chem
how many grams of NH4Cl are required to prepare 250 mL of .122 M NH4Cl solution? I set this up using the molarity equation and the part that I was missing is moles. So I divided the 0.122 by .25 L and got .031 mol. Then I took that and multiplied it by the
asked by kelly 
college chem
how many milliliters of 0.200 M Na2S2O3 are needed to provide 0.0388 mol Na2S2O3?
asked by kelly 
Chemistry
i need help with a rate law question: The reaction is 2ClO2(aq) + 2OH (aq)> ClO3(aq)+ ClO2(aq) + H2O(l) Experiment 1: [ClO2]0= 0.0500 [OH]0= 0.100 INITIAL RATE= 5.75*10^2 Experiment 2: [ClO2]0= 0.100 [OH]0= 0.100 INITIAL RATE= 2.30*10^1
asked by Saira 
math
The base of a triangle is 3 cm greater than the height. The area is 14cm^2. Find the length and height of the base.
asked by Sadie 
Chemistry
How many atoms are there in 12 grams of Carbon? 12 grams 12.01 moles 6.02x10^23mol x x 1 gram 1 atom = 867.6024 Is this correct?
asked by Narasaq 
Grade 8 Math
How can you use the measures of the interior angles of regular polygons to show that a platonic solid cannot be made from regular polygons that have more than five sides?
asked by Al 
jane
1. a centripetalacceleration addict rides in uniform circular motion with period T=2s and radius r=3m. at t1 his acceleration vector= 6(m/s^2)i + 4(m/s^2)j. At that instant, what are the values of vector b (dot) vector a and vector r (dot) vector a All I
asked by physics 
Math
Find the ordered pair that represents the vector from A(4.3,0.9) to B(2.8,0.2)? Then find the magnitude of AB. A. (1.5,1.1); 3.46 B. (7.1, 0.7); 7.13 C. (1.5, 1.1); 1.86 D.(7.1, 1.1); 7.18 I got C, is this right?
asked by Sophie 
Math
If it takes 4 people 20 days to build a house, how long does it take 6 people. I know the answer is 15 days, but for the life of me I can't figure out the formula for it.
asked by Will 
drama
What does romeo think of love? (romeo and juliet)
asked by leslie 
french
unscramble french words: ssaadel,sstredse,iossbnso
asked by carla 
Radioactivity
When first discovered alpha, beta, and gamma radioactivity were referred to as alpha rays, beta rays, and gamma rays. Now we refer to alpha particles and beta particles, but still use the term gamma rays. What type of particles are alpha and beta commonly
asked by Lana 
Algebra
Okay, I have the first step, but after that, they ask me to expand and I'm not sure where they're getting the next numbers from. Original question: (3 sqrt(7))^2 Now, my first step should be: (3i sqrt(7))^2 After that, I'm lost. I see what they're
asked by Kay 
College Preparation
I'm trying to major in history or journalism. Should I take trigonometry, or do you think that's not needed? I know it varies from school to school, but overall, do you think I'll be fine without trig?
asked by Max 
Math
Find an equation of the line that bisects the obtuse angles formed by the lines with equations 3xy=1 and x+y=2. a. (3√2 +√10)x(√10 + √2)y2√10+√2=0 b. (3√2  √10)x+(√10  √2)y+2√10+√2=0 c. (3√2 + √10)x+(√10  √2)y+2√10
asked by Sophie 
Regression
Hi, Can anyone help me with a regression problem, I am doing energy species hypothesis ... I have calculated data and from f value of 22.39 have found the sq root of 4.73. 4.73 is significant at 1% c = f (x) = 0x + 2.2 ( not sure what this output means) I
asked by Gary 
Math
What do you get when you multiply the mixed number 4 2/7 by the mixed number 6 2/5 and reduce to its lowest terms?
asked by Laurie 
Math
Calculate the distance between the points 2/3 and 3/4 on the number line. Please show how you come to the answer.
asked by Breanna 
Algebra
Write the interval notation corresponding to the set notation {x  x < –7}.
asked by Rachale 
Physical Science
Almost all the water vapor in the atmosphere is in the exosphere, ionosphere, stratopause, or troposphere?
asked by Sal 
Physics
v(subscript)t = g/k, describe the effects that changing the value of k would have on the terminal velocity of the object. v(subscript)t is terminal velocity, k is a constant dependent on the size and shape of the falling object. Help, please.
asked by Stacy 
English
1. I went to Children's Grand Park. I rode a roller coaster. I learned how to ride some play things. 2. I went to China with my family. I visited the Great Wall. I learned the history of the Great Wall. 3. I went to the English Summer Camp. I met new
asked by John 
1st grade
He and I was taking the dog for a walk. can i used that for a sentence?
asked by dawn 
math
Are all linear equations functions? Is there an instance in which a linear equation is not a function?
asked by scooby9132002 
Music
I need to know the difference between rhythm, beat and pitch in the song Amazing Grace
asked by Laura 
spanish
Para aprender bien el español, uno debe ir a algún país donde _____ español. a. hablas b. se habla c. te hablas d. se afeita In order to to learn well Spanish, one should to go to some country where _____ Spanish. is spoken Bse habla
asked by y912f 
Beta particles
what are the sings of the charges on the beta particles? one of my frends says it 0. the other one says its +1 and 1. but i think its 1. now im not shure. can some1 verify. thanks.
asked by Tiffany 
Literacy
I don't exactly live in america, but im in year 5, which i think is grade 5 in america. But i have a really desperate question i need to ask.... When a word ends in "Phobia" what kind of word is it? is it a noun, adjective verb? can you please tell me?
asked by Alan 
earth science
1. What observations show that the universe is expanding? 2. What can astronomers infer from the fact that other galaxies are moving away from ours? Please help! Thanks :)
asked by bunni 
algebra
10x^910x^7+25x^3/5x^3 Please Help.
asked by Sadie 
Literature (Quick n fast question)
Could you give me a website to find chapter summaries and the setting of the story Children of the River by Linda Crew. Thanks for all your help.
asked by Taylor 
Chemistry
Is the molar mass of SiO2 60 g/mol (I took the molar mass of Silicon28, and added Oxygen's atmoic mass16 and doubled it since it's diatomic). Thanks for checking my work.
asked by Narasaq 
trig
cosx/1tanx + sinx/1cotx = sinx =cosx
asked by coolcat 
trig
sorry the first one I put in had a typo cosx/1tanx + sinx/1cotx = sinx +cosx
asked by coolcat 
Chemistry
How many grams does 3.45 moles of FeCl3 weigh? I got 162.2 grams.
asked by Narasaq 
Chemistry
I am trying to figure out how many atoms are in 4.2 moles of BaO. I took 4.2 moles and multiplied it by 1/109.32, resulting in .038. Is this correct? Thanks hopefully this will be the final one.
asked by Narasaq 
Latin
Is this the correct declension of mater? Mater Matri Matro Matrum Matro Matri Matrorum Matris Matros Matris ~thanks
asked by Elussiat 
English
How do you spend your money?  I spend my money on _______. 1. novel books, poem books, essay books 2. novels, poems, essays. (In the blank, which ones are suitable, #1 or #2? Thank you.)
asked by John 
Math
It is found that 99% of a particular design of sport parachute have kvalues greater than or equal to 1.650/s. If the mean value of k is 1.730/s, determine, to the nearest thousandth, the standard deviation of the distribution of kvalues. Help, thankyou!
asked by Sydney 
multiplying exponents
what is X^2sqrt(X) Is it X^(2+0.5)=X^(5/2) because if it is then why don't my numbers match? Say x=2. X^2sqrt(X)> 4*2=8 X^(5/2)=5.66
asked by Anonymous 
Math
A 6.4 ton military fighter must land on a flight strip. If the plane lands at a speed of 368 mph, and the coefficient of kinetic friction is 0.72 between the wheels and the ground. If the runway must be at least 150% as long as the shortest possible
asked by Chelsea 
science
unscramble hicclame
asked by tim 
Algebra
Please solve for the interval notation corresponding to the set notation {x  x < –7}
asked by Jen 
spanish
"pilar, ¡me gusta mucho tu cadena nueva!" "Gracias. ¡_____ de oro!" a. son b. fue c. era d. es can you please explain the meaning of the question, and how each answer choice would fit in the blank thanks
asked by y912f 
spanish
"¡Hay un incendio en la cocina! ¿Qué debo hacer?" "¡Pues, debes llamar a _____!" a. los servicios b. los bomberos c. la caja d. los ascensores "There is a fire in the kitchen!" "What should I do?" "Well, you should call _____!" firefighters B
asked by y912f 
spanish
"¡Hace mucho calor! Quiero comer algo muy frío." "Pues, ¡vamos a _____!" a. la carnicería b. la estación de bomberos c. la carretera d. la heladería "It's very hot out! I want to eat something very cold." "Well, let's go to a _____!" ice cream shop
asked by y912f 
nutrition and wellness
what is a good diet for a teenager to follow, that can help you lose weight easily? i just want to know what is a good and healthy diet, what should you eat each day (to help lose weight), and is it necessary to skip meals. please give me good (specific)
asked by y912f 
business/daycare
please tell me where and how i can find daycare equipment on low prices or on sale in the Atlanta Georgia area. i don't know where to look for basic daycare equipment like tables, chairs, boards, sleeping mats, and playground equipment for children of ages
asked by y912f 
Algebra
Collect like terms 6x8x Is this 2x?
asked by Sadie 
science
i need helping answering this homework question on magnetism: which of the following will induce a current in a nearby circuit? A. any magnetic field B. an electromagnet with varying current C. an unchanging electromagnet D. a powerful, unmoving horseshoe
asked by leslie 
U.S history
I need help.. My exams are coming up and I need some help. I have to explain the evens that led and ocurred in the spanish American war.. Please help me.. Thank you!
asked by Amy 
math
how to find a mean of a ratio? how to do a nice fraction close to a mean?
asked by michele 
history/vietnam war
After the fall of Saigon in 1975, Americans drew very different “lessons” from the experience of defeat in Vietnam. Analyze how the country polarized politically around some of the meanings and “lessons” of the Vietnam War? ( how hawks & doves
asked by brooke 
social studies
after the 1800's what type of manufacturing was chicago know for?
asked by kyle 
Math
A 6.4 ton military fighter must land on a flight strip. If the plane lands at a speed of 368 mph, and the coefficient of kinetic friction is 0.72 between the wheels and the ground. If the runway must be at least 150% as long as the shortest possible
asked by Chelsea 
Social Studies
Vietnam War website suggestions?
asked by Lexi 
English
* According to the spacing rules, write the following sentence again in the blank. 1. Iamapoliceofficer. > __________________ (Is the expression correct?) * I have sent the MTCN number to you with my cell phone. However, you can not verify the name of the
asked by John 
US History
What events triggered the Civil War and what effects did it have on the nation? I need three. So far I have slavery and secession. Thank you!
asked by amanda 
Math
How do you use math induction to prove 3^n > 2n ? Thank you!
asked by Anonymous 
English III
Okay so I am reading the book The Scarlet Letter and it is like really boring, so far. I am about a chapter in and my homework is really hard! I have to read a sentence the packet gives me and interpret the darn thing. It's driving me insane because these
asked by Cris 
hca250
Compare and contrast adjusted book value with market value.
asked by Anonymous 
english
A few of the children on the street played soccer they kickedthe ball against a brick wall.
asked by lisa 
International Business
What are the current challenges facing the World Trade Organization (WTO)?
asked by David 
HCS
Are there any disease prevention measures from early times that are still in use today? Why do you think some preventive measures from the past were discarded?
asked by Nicole 
International Business
1. Construct a quantitative example to illustrate the principle of comparative advantage. 2.What are dynamic effects of free trade and why might they be important?
asked by David 
spanish
"¿Te gusta la casa nueva de los García?" "Sí, me gusta su casa, pero prefiero _____." a. la nuestra b. el nuestro c. nuestra d. nuestro i think this is the meaning of the question: "Do you like the Garcia's new house?" "Yes, I like their house, but I
asked by y912f 
spanish
"Perdone Ud. ¿Podría _____ dónde queda un quiosco?" "Sí. Hay uno en esta calle, a una cuadra de aquí." a. indicarme b. seguirme c. perdonarme d. comprarme "Pardon me. Could you _____ where a news stand is located? "Yes. There is one on that street, at
asked by y912f 
spanish
"Perdone, señor. ¿Dónde están los servicios?" "Están _____ de la tienda, en la sección de ropa para caballeros." a. en el mostrador b. al fondo c. en la escalera d. en la caja "Pardon me. Where are the restrooms?" "They are _____ of the store, in the
asked by y912f 
microeconomics
What is public good? Provide examples. What issues are involved in determining the value of public good to society?
asked by susan 
spanish
"Héctor, ¿vamos al centro para hacer las compras mañana?" "No puedo. ¡Siempre _____ mucho dinero cuando voy de compras!" a. vendo b. me maquillo c. ahorro d. gasto "Do you want to go to the downtown to shop tomorrow?" No, I won't be able to. Always
asked by y912f 
spanish
"¡Alfredo, tu dormitorio es un desastre hoy!" "Tienes razón, mamá. No _____ muy limpio hoy." a. es b. está c. eres d. estás "Your bedroom is a disaster today!" "Youre right, mom. Not _____ very clean today." B?
asked by y912f 
Cultural Diversity
Explain the difference between Muslims and Arabs. o According to current (within the past two years) research and news reports, what are some of the changes the United States has made to policies concerning the treatment of Muslim and Arabic members of
asked by Rachel 
chemistry
Is it possible for hydrated sodium carbonate to continue to absorb water?
asked by Michelle 
Hipaa and medical coding
What affects does HIPAA have on medical coding? I have a project to do on this, can you help me out?
asked by eugenia 
momentum
do gamma rays carry momentum? i thought they don't because they don't have mass so mv=0 but my frend says even tho they don't have mass they still carry momentum. how does this make sense? please help.
asked by Tiffany 
Philosophy
Do you know any good websites where I can find information about the capitalist economic/political system in the US as well as in Denmark and/or France? I tried google but I haven't found a great site or I'm usually given a sentence or 2 about the topic.
asked by Montega 
science
how do i draw a diagram to show the meaning of the term newton? Use the 1kg mass in the drawing. It must show the gravitational pull
asked by Twilight lover 
Algebra
w^211w+30=0
asked by Sadie 
Algebra
Multiply: (94x^3)^2
asked by Sadie 
English
1. We learned how to give first aid to an injured person. 2. We practiced CPR. (Cardiopulmonary Resuscitation) 3. We practiced how to help people in danger. 4. We practiced how to help the handicapped. 5. We practiced how to take care of the sick. 6. We
asked by John 
english
wat is a topic
asked by sarahi almenda 
English
1. We did the cleanup activities near the Nakdong River. 2. We picked up garbage at Haeundae Beach. 3. We picked up trash and put it into a plastic bag. 4. We mopped the floors of the building. 5. We sweeped the floor and cleaned it with a mop. 6. We
asked by John 
college
DEFINE WHAT IS MEANT BY THE TERM''HUMANITIES''AND EXPLAIN WHAT DISTINGUISHED THE HUMANITIES FROM OTHER MODES OF HUMAN INQUIRY AND EXPRESSION. THEN LIST A CURRENT EX. OF EACH OF THE EXPRESSIONS OF THE HUMANITIES LISTED BELOW AND TELL WHY EACH EX. YOU GIVE
asked by SANDRA 
Need someone's opinion
If you had to pick any 2 books which would you pick because I have to read two books over the summer and write two reports. I don't know which two I want to read. I like books that have a shocking ending, and I like books that have action and mystery.
asked by Taylor 
Math
What do I get when I change the fraction 38/8 to a mixed number and reduce to its lowest terms?
asked by Laurie 
math
Convert to decimal notation: 10^2
asked by Sadie 
ECONOMICS
WHAT IS THE PRICIPLE OF EXCLUSION
asked by HAILEE 
French
Why is it that when you say "Je joue au hockey" you can't use le hockey?
asked by Angie 
Math
What is the simple interest on a loan of $18,500 at 11% interest for 18 months?
asked by Laurie 
7th grade
I need to find out the missing variable. 10 x n  55 = 155 n=
asked by Kim 
civics I
once a bill is passed by congress and signed into law by the president can it be changed?
asked by Matt 
hum 130
Is indigenous religion in australia still practiced today?
asked by allison