Questions Asked on
January 23, 2009

chemistry
Nitrogen (N2) and hydrogen (H2) react to form ammonia (NH3). Consider a mixture of six nitrogen molecules and six hydrogen molecules in a closed container. Assuming the reaction goes to completion, what will the final product mixture be? number of NH3
asked by lyne 
math
A water balloon is shot into the air so that its height h, in metres, after t seconds is h = —4.9t^2 + 27t + 2.4 a)How high is the balloon after 1 s? b)For how long is the balloon more than 30 m high? c)What is the maximum height reached by the balloon?
asked by gagan 
3rd math
Write 35 divided by 7 in three different ways. What is the quotient? do they mean 35 divided by 5= 7 , 35 divided by 7= 5 or by sign?
asked by eve 
chemistry
Aspirin (C9H8O4) is synthesized by reacting salicylic acid (C7H6O3) with acetic anhydride (C4H6O3). The balanced equation is given below. C7H6O3 + C4H6O3 C9H8O4 + HC2H3O2 What mass of acetic anhydride is needed to completely consume 3.60 x 10^2 g salicylic
asked by lyne 
sci
o Description of difference between weathering and erosion. o Graphical representation of the following: · mechanical weathering · chemical weathering · water erosion · wind erosion · ice erosion · Include a References slide for the graphical images
asked by troyer0269 
French
Fill in the blank with either leur or leurs. Fabien et Christophe sont freres. Ils sont sans (leur) chambre. Ils ecoutent (leurs) disques. (Leur) collection de CD est surtout de la techno. (leurs) amies, Catherine et Emilie, aiment aussi
asked by Megan 
Physics 12 Review
End of the semester, working on the final review... I have a couple of questions I am stuck on right now. My notes on these questions seem to have vanished into the void... 1. "A 2.0kg puck travelling due east at 2.5m/s collides with a 1.0kg puck
asked by solexgirl12 
math
Dental services. The national cost C in billions of dollars for dental services can be modeled by the linear equation C=2.85n+30.52, where n is the number of years since 1900 (Health Care Financing Administration,.a) find and interpret the Cintercept for
asked by Geno 
accounting
Can anyone tell me if this is correct and if not what I did wrong. Thank you Exercise 37 On March 1, 2003, a company paid a $16,200 premium on a 36month insurance policy for coverage beginning on that date. Refer to that policy and fill in the blanks in
asked by Anonymous 
chemistry
NH4HS(s)> NH3(g) + H2S(g) What direction does the equillibrium shift when NH4HS is added? I think that the equillibrium won't shift since we are adding a pure solid and pure solids are not included in the equillibrium expression. Just want to make sure.
asked by jeff 
U.S. History
please check these: 1. The French and Indian War led to: a. a massive migration to Canada b. a weakening of colonial loyalty to Britain c. the end of Britain's involvement in colonial affairs d. an increased colonial dependence on britain i picked B 2. Why
asked by y912f 
math
(6) Which equation is equivalent to 4^x=8? a. log8 4=x b. logx = 4 c. log x 4=8 d. log 4 8= x
asked by bob 
3rd math
Square each of these numbers. There's a square, on top is the number 5 and on the left side 5. Inside the square is a line?
asked by eve 
accounting
Can anyone tell me if this is correct and if not what I did wrong. Thank you Exercise 37 On March 1, 2003, a company paid a $16,200 premium on a 36month insurance policy for coverage beginning on that date. Refer to that policy and fill in the blanks in
asked by Anonymous 
accounting
Can anyone tell me if this is correct and if not what I did wrong. Thank you Exercise 37 On March 1, 2003, a company paid a $16,200 premium on a 36month insurance policy for coverage beginning on that date. Refer to that policy and fill in the blanks in
asked by Anonymous 
chemistry
When ammonia gas is burned in oxygen the products formed are water and nitrogen monoxide gas. Write the balanced equation showing this reaction NH4 + O2 > H2O + NO i am stuck balancing this
asked by lyne 
Math
Suppose that humans walk about 10,000 steps per day on average. Your average step is probably about 18 inches. If so, how many inches per day do you walk? How Many feet per day do you walk? How many miles per day do you walk, to the nearest whole number?
asked by Bob 
More french
Directions: Complete the sentences, choosing the correct possessive adjective. 1. (Mon, Ma, Mes) Tu as  livre de maths. Answer: Mon 2. (Notre, Nos) C'est  maison. Answer: Notre 3. (Leur, Leurs) Voila  enfant. Answer: Leur 4. (Ton, Ta,
asked by Megan 
ochem
Can you suggest some possible reasons for using a mixture of water and ethanol (1:1 mixture H2O/EtOH) as crystallizing solvent rather than using either pure ethanol or pure water?
asked by lili 
11th grade Art
What is keyhole painting? Could you help me with analysing an artwork. What information should I give.
asked by Lauren 
science
The Smiths have four children, all girls. Their fifth child is a boy. Why did this change occur? A) the father' contribution of a Y chromosome. B) the conception classes taken by the parents. C) the mother' contribution of a Y chromosome. D) the timing of
asked by Anonymous 
math
What is $600 invested at 9% interest, compounded quarterly, worth in 3 years? a. $640.50 b. $641 c.$762 d.$784
asked by bob 
capitalization in book titles
Do you capitalize the word "in" or "on" in book titles? For example, if there was a book called "He Is in the Park", would you capitalize the word "in"? Thanks, Leo
asked by Leo 
Math
is this a direct variation? 5x + 2y = 9
asked by Angie 
algebra
(1) If the population of a city was 2 million in 1995 and growing at a rate of 6.4%, what will the population be in the year 2000? a. 2.5 million b. 2.7 million c. 10.64 million d. 43.6 million
asked by Peter 
college
what is a vague pronoun?
asked by terry 
Journalism
Can someone tell me a website where I can find terms for broadcast journalism? Thanks
asked by Anonymous 
University of Phoenix
My Ethical Analysis is 1. Basic Ethical Decision Making Model Learning Team Ethical Analysis. In your Learning Team, identify a particular health care administrative ethics dilemma from the text, material provided to you by your instructor, or otherwise
asked by Bublegum 
Factor Completely
c^2  8c + 16  y^2 (c + 4) (c + 4) (c + 4)^2  y^2 (c +4 +y) (c + 4  y) Is this correct?
asked by Jennifer 
Math 012 Help
I need help with this problem. I have to use the distributie property to write the expression without parantheses, then simplify if possible. It's been awhile since ive done this and I think i will understand once I see how it is written out. Thanks to
asked by WVSU 
maths
List all the subsets(include the null set and the set itself. a) (p) b) (p,q) c) (p,q,r) d) (p,q,r,s) By the way the brackets are supposed 2 b the weird curly brackets.
asked by Nabiha 
algebra
The first three equations I have solved, I would just appreciate someone checking them over to make sure I'm doing them right. Find the GCF: 16x^2z ,40xz^2 , 72z^3 = 3^3z Factor our GCF: a(a+1)  3(a+1) = a+1 Factor Polynomial: 9a^2  64b^2 =
asked by kay bri 
math
find the first and third quartiles, Q1, and Q3, of the following numbers, 13,5,12,16,7,14,7,3,10,7
asked by Anonymous 
More French
Directions: Answer the following questions about myself and my family. 1. Votre maison ou votre appartement est grand(e) ou petit(e) Answer: Notre maison est grande. 2. Vous avez une voiture? Quelle est la marque de votre voiture? Answer: Oui, notre une
asked by Megan 
U.S. History
i need help with this quesiton How did the Nationalists regard Shay's Rebellion? a. as proof that the states had too little power b. as an example of how governments abuse their power c. as proof that only a strong national government could prevent social
asked by y912f 
World Religions
How does the faith of Judaism affect the everyday life f a believer?
asked by Joan 
sci
HELP PLEASE!!!! Write a 700word paper in APA format that provides an overview of how plate tectonics affects sedimentation. Answer the following questions: o Where do sedimentary rocks originate? o How are they formed? o What are the three categories of
asked by troyer0269 
Education
List three factors that define teaching as a professional career.Elaborate on how these factors are employed by teachers on a daily basis.
asked by B.B. 
Precalculus
Th weekly salaries of a sample of 100 recent graduates of a private women's college are normally distributed with a mean of $600 and a standard deviation of $80. Determine the interval about the sample mean that has a 1% level of confidence. Use t=2.58 Not
asked by Mary 
English
"So you're quite shook up about this then?" asked the detective. "And what did you think of that?" inquired the detective. "Where were you when they died?" questioned the detective. Okay, I need help with the dialogue. Is it correct the way it is thanks.
asked by Larry 
Chemistry
How would you name the compound P4?
asked by Ashley 
french
I want to say "Yes, I obey my parents most of the time." in french. is this right? oui, j'ob¨¦is ¨¤ ma parents pour la plupart du temps. my question is, do you have to put an ¨¤ before ma parents?
asked by Angie 
all teachers
is dr bob on
asked by lyne 
Factor Completely
I used the Usubstitution t^8 + 3t^4  40 t^8 = u^2 t^4 = u u^2 + 3u  40 (u  5)(u + 8) (t^4  5) (t^4 +8) Is this correct?
asked by Jennifer 
algebra
The ratio of the measures of three sides of a triangle are 1/2:1/3:1/5, and its perimeter is 6.2 centimeters. find the measure of each side of the triangle
asked by chargersmath 
Math
5x=2y=9 Is this a direct variation?
asked by Angie 
Math 012
I need help with this one too, same thing. Rewrite without parerntheses, then simplify if possible. 4(4+2p+5)+16
asked by WVSU 
Organic chemistry
When the collected crystals are washed, what is being removed from the crystals?
asked by tina 
algebra
Ice (at 0 degrees celsius) has a density of 922 kg per meter cubed. If the edge of a cube of ice is 4 cm, what is the mass of the cube?
asked by Sammantha 
Factor Completely
I used the Usubstitution x + 1 = u u^2 11u + 24 (u + 3)(u  8) ( x + 1 + 3) ( x + 1  8) (x + 4) ( X  7 ) Is this correct?
asked by Jennifer 
math
okay, this i cannot figure out anywhere. 2[ln(x)ln(x+1)ln(x1)] evaluate into logarithm of a single quantity.
asked by strawberryfields 
U.S. History
please tell me if this is right or not Which of the following was a weakness of the Articles of Confederation? a. only Congress had the power to tax b. there was no legislative branch of government c. state goverments had no authority d. there was no
asked by y912f 
French
I want to write at "what time do you finish the film?" in french. is this how you write it? ¨¤ quelle heure finistu le film?
asked by Angie 
Business writing
The law from the 1800s mandated that men could buy alcohol and cigarettes only from a state store. The employee guide indicated that men could add their spouses to their health care plan.
asked by Faye 
IT 205
What are the fundamental differences between Windows®, Mac OS®, UNIX, and Linux operating systems for personal computers? What unique characteristics do mainframe operating systems have?
asked by Adebayo 
Algebra 2
CAn someone help me solve [SQRT(4  x)]  [SQRT(x + 6)] = 2
asked by Justin Little 
social studies
the meaning of segregation and seperation is equal
asked by tushar das 
health
A structure above the cellular level
asked by Anonymous 
Food
How many servings is 1 plate of spaghetti, with tomato sauce, and meatballs.
asked by John 
algebra
Find the value of y in the equation y = log 2 32. a. 5 b.16 c.64 d. 1024
asked by Kate 
Math
A new car depreciates an average of 22% in its first year of use. If the car was worth $16,000 when it was new, what will the car be worth after 1 year?
asked by Ali 
algebra
Which best describes the following function? f(x)=2^3.5x7 a. exponential b. linear c.cubic d. quadratic
asked by bob 
U.S. History
please check these: 1. The First Continental Congress voted to a. end the boycott of imports from Britain b. call for the formation of colonial militias c. imprison all British tax collectors d. adopt the Declaration of Independence i picked B 2. the
asked by y912f 
Factor Completely
I used the Usubstitution 6x^6 + 13x^3  5 x^3 = u x^6 = u^2 6u^2 + 13u  5 (6u^2 + 2u) + (15u  5) u(6u + 2) + 3 (6u + 2) (6u + 2) (u + 3) (6x^6 + 2) (x^6 + 3) Is this correct?
asked by Jennifer 
science
pure gold is highly malleable. describe a use og gold when this property is not desirable
asked by dawn 
math
evaluating functions For some reason I can't get these 3 problems correct: g(x) = x^2(x5) g(3/2) g(c) g(t+2) Any help would be greatly appreciated. I contribute as much as I can and I don't seem to get any help. Maybe these are too hard of problems?
asked by strawberryfields 
Math 9th
I've been trying to figure this one out all day. I have to use either substitution or elimination to solve a system for how many cookies and brownies two kids sold at a bake sale. The system is: c+b=600 $.35c+$.75b=$360 (obivously, c is the amount of
asked by Kat 
math
Inverse function f(x)x^71 And I got root(7(x))+1 which is the (7root of x)+1
asked by strawberryfields 
Math
I cant figure this out, does 235+z=xy/3 or does 354+z=xy/3? thanks!
asked by Eliza 
math
are there only odd numbers in the 6* tables?
asked by Nabiha 
Nutrition
What is the bodies for protein? What is the bodies for carbohydrates? Don't understand the question and what's asking. Can someone please clarify. Thanks.
asked by Larry 
english
Hi, I have a picture in front of me and it is showing how one figure is throwing a radio(like bowling), another jumping over a computer( hurdles) and other is kicking a tv( soccer). The last square says "Healthy mind lives in healthy body". Now, the title
asked by Yana 
art
Hi. I am year seven girl. I got art homework. THis is making a hybrid animal in innovate material. but i think this homework is so hard for me. can you give me advice for me please. thank you very much
asked by KHaliunaa 
college
If a single taxpayer has regular income tax liability of $19,500 and AMTI of $130,000, calculate the AMT for 2008.
asked by Earl 
Critical thinking
How Do a person distinguish between prejudical and nonprejudical use os rhetorical devices
asked by Clair 
biolgoy
Is it appropriate to describe a cladogram as consisting of a nested hierarchy of clades?
asked by jennifer 
Social Studies Essay Thesis
Well, I'm doing a report on William Cockerill and I need a thesis statement that answers this historical question: What was the importance of William Cockerill and how did he impact future generations?
asked by Brandon 
anatomy & physiology
how does the structure of the organ of corti allow for detection of high & low pitches? why is it possible to lose ability to hear a specific pitch?
asked by Lesa 
math
how do i find the lentgh of the radius given the volume and height useing 3.14 example v=314ft3 h==25 ft Please show me how to do it
asked by polly 
English
I need the names of actors who have played Macbeth. I need to see clips of the daggar scene so that I am able to answer the question. How does the actor show his feelings in the daggar scene.
asked by Rhyannon 
math
y=2x+5:(8, ),(1, ),( , 1) ordered pair
asked by Geno 
algebra
Solve the equation 10 x = 20 for x. a. x=1/2 b.x=2 c.x=1.3 d.x=10
asked by bob 
performance measures
What are some common ways of measuring “individual” performance?
asked by april 
More french
Rewrite these sentences correctly such as Votre=Notre and Vos=Nos 1 Votre ecole est grande ou petite? Notre ecole est une grande. 2. Votre ecole est pres ou loin de votre maison? Notre ecole est un loin de maison. 3. Votre ecole a combien d' eleves? Notre
asked by Megan 
CIVICS
what does the department of justice do?
asked by bianca 
Math
How do you find what x is? (2,8) and (x,12)
asked by Angie 
math
graph each equation x2y=6
asked by Geno 
language arts or science
have you ever gone out of your way to help a starnger?
asked by hiugj