Just checking an answer... I was given Aluminum + Sulfur yields.. & I was to finish & balance & answer the questions. 2Al + 3S => Al2S3 If 1 mole of sulur reacts, how many moles of aluminum sulife are produced? .166 mol Al2S3 How many grams of aluminum sulfide is this? 24.9 g
March 31, 2008
Sue is new to working in a hospital kitchen. Her job is to prepare the food trays for the patients. She does not understand spoken or written English. How can her supervisor give her written instructions to better understand the mealtime menu?
March 15, 2008
The force of gravity pulling on an object down a hill is its weight multiplied by the sine of the angle of elevation of the hill. With how many pounds of force is gravity pulling on a 3000 lb car on a hill will a 3 degree angle of elevation? What i did: SIN3=.0523 .0523*3000...
March 12, 2008
A road 1.6 km long rises 400 m. What is the angle of elevation of the road? I don't known which numbers go to which sides. I can do the rest once I can label the triangle. Thanks!
March 12, 2008
well this is what i did can someone tell me what i did wrong: tanx= 5/2 since diagonals of a parallelogram bisect each other x= 68 and the other angle would be 22 the angles of the rhombus would be 136 and 44 because the diagonals of a rhombus bisect the angles
March 10, 2008
essay (the american dream)
i need to write an essay and make three points about how the american dream is unattainable. so far i've got: advertising, problems with upward mobility, and that the dream is always changing. any other suggestions?
February 24, 2008
French Please Help!!!
Utilisez la forme correcte du verbe indique. Apres le match, nous parlons (parler) de nos activites du dimanche. Les parents de Sarah ne dejeunent (dejeuner) jamais au restaurant le dimanche. Le vendredi soir, mes amis et moi, nous dansons jusqu'a 2 heures du matin! Le ...
February 18, 2008
if u dont know, then can u look up some websites for me? what happens if u swallow 1 tsp,1 1/2 tsp, and 2 tsp of baking soda mixed with some water? what happens if u swallow 1 tsp,1 1/2 tsp, and 2 tsp of soap mixed with some water? what happens if u swallow 1 tsp,1 1/2 tsp, ...
February 17, 2008
the decomposition of (CH3)2O has a rate constant of 6.8x10^-4 s^-1. the initial pressure is 135 torr, what is the partial pressure after 1420s? i don't have the slightest idea on how to solve this.
February 17, 2008
1.92g sample of hydrogen peroxide solution generates 37.8mL O2 at 759 torr and 35 C. What is the percent strength of the peroxide solution? how would you solve this problem and which equations would you use?
February 7, 2008
i'm supposed to find a candidate from this election that is similar to t. roosevelt b/c of similarities in domestic and foreign policies. i've searched all the candidates policies but i can't seem to find one that fits roosevelt's. any suggestions?
February 3, 2008
1. CH3C(CH3)=C(CH3)CH3 2. CH3C(triple bond)CCH(C2H5)CH2CH3 3. CH3CH2C(CH3)2CH2CH2CH(CH3)CH2CH2CH3 4. CH3CH2CH(C2H5)CH(C3H7)CH2CH2CH3 5. CH3CH2CHOHCH2CH2CH2CH2CH3 6. CH3C(CH3)=CHCH2CH3 7. CH2=CHCH2CH2CH(CH3)CH3 8. CH3C(CH3)2CH2CH(CH3)CH(CH3)CH3 9. CH3CH2COOH 10. CH3C(triple ...
January 1, 2008
cet ete means this summer. l'ete means the summer. any time you see l'- it means the. so when you are talking about 'the summer' use l'ete. (for example: pendent l'ete- during THE summer) whenever you are saying 'this summer' use cet ete. (for ...
December 11, 2007
Write the slope-intercept form for a line - Y=mx + b substitute the numbers for slope and x and y into your equation to find b 5=3/5(0) + b Then rewrite the standard equation leaving in the x and y letters but substituting the 3/5 for m and the value you found for b. Then ...
December 9, 2007
I want to know that if we have a set of data and we have to conclude if it is Da Vinci Theorom how do we know if it is or not . what do we need to de in order to conclude thankyou
November 30, 2007
In your own words, include descriptions of two 1996 award winners, discussing how they overcame one of the challenges mentioned in your presentation. My teacher gave me some links to read about some organizations in the 1996 awards, but when I read them there was nothing there...
November 24, 2007
Please help me understand the problem provided below and suggest a solution. I thank you for your time and cooperation. Consider a public goods problem in which each person has the same income M and preferences as given by Uj=ln(g1+...+gN)+3ln(Cj) Assume for simplicity that ...
September 25, 2007
Infant and toddler
Keeping in mind that productive play is the pathway to learning for preschool-age children,what interesting materials and experiences might promote cognitive and language growth?( Including activities that promote literacy development)
September 17, 2007
Math- Linear Equations
Just need some help setting this problem up... A total of &5000 is invested in two accounts. One pays 5% annual interest and the other 7%. If the interest at the end of the first year is $325, how much was invested in each account? Thanks so much!
September 5, 2007
Every year of a dog's life is worth 1 year of a human's life. If Rusty was a human, she would be twice the age of her owner, Mario. If Mario was a dog, he would be six years younger than Rusty. How old is Rusty?
August 24, 2007
Jenolan Caves, discovered by Europeans in 1838, is one of the premier tourist attractions of New South Wales, located 182 km west of Sydney, in the Main Dividing Range. The caves are developed in the northern and southern sides of a natural bridge (The Grand Archway) in folded...
August 24, 2007
Ancient Romans built latrines over running water to carry off wastes to the Tiber River. They developed the art of plumbing and constructed underground sewers made of lead, earthenware, or stone. During the Middle Ages, people in the British isles used chamber pots made of ...
August 24, 2007
what is the persistence triangle? This website discusses a persistance triangle and shows a clear diagram of it. http://www.habits-of-mind.net/pdf/persist.pdf Thank you for using the Jiskha Homework Help Forum. Here is a pdf file to download that will tell you all about the &...
August 12, 2007
Can someone show me the steps to solve this problems.. 18s^2 + 72s = 0 and x^3 - 5x^2 - 66x = 0 18s^2 + 72s = 0 18s*(s + 4)=0 set both terms equal to zero. x^3 - 5x^2 - 66x = 0 x*(x^2 - 5x - 66 )= 0 factor the second term (11,6)
June 2, 2007
Chemistry equation balancing
I have to balance the following equation using the lowest number of coefficients CH4 + NH3 + O2 -- HCN + H2O I can get N,C and O to balance as follows CH4 + NH3 + O2 -- HCN + 2H2O I can get H,C and N to balance as follows CH4 + NH3 + 2O2 -- HCN + 3H2O I just can't seem to ...
May 23, 2007
hormones in the human body and how they work? Since this is not my area of expertise, I searched Google under the key words "human hormones" to get these possible sources: http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/H/Hormones.html http://www.earthtym.net/...
May 16, 2007
Is lithium hydroxide a strong or weak base? It is 100% ionized so, by definition, it is a strong base. Try looking up Kb for LiOH in a set of tables. It won't be there, further proof that it is not a weak base. thank you!
May 9, 2007
-3/[(5/x)+y] Can someone please tell me how one goes about simplifying this? Multiply numerator and denominator by x. would the answer be -3x/5+y? No. YOu forgot to multpy the y by x, it would have an xy in the denominator. gotcha thanks
May 8, 2007
How would you say "if we buy" in french? I looked it up in my dictionary but I didn't get it. "Si nous achetons" means "if we buy"... just add on the rest! ^_^ I think acheter (to buy) should be in the subjunctive tense -- Si nous acheterions...
May 3, 2007
hey im doing analogies... and i need help on some of them Seatbelts : Cars:: a)filters:coffee machines b)oven:stove c)radio:sound waves d)color:paper e)bricks:contruction and i thought A would fit into the seatbelts and cars but whats a sentence that i can use to show that ...
April 13, 2007
how would u solve this: 2sin(x)-1=0 exact step to solving would be nice thanx Add one to both sides and divinde both sides by 2. sin x = 1/2 Now look up the angle that has a sine of 1/2. That's the answer what is a derpeciation expense The word derpeciation does not exist...
April 11, 2007
Foreign Language- Spanish
Hello, I just finished a couple of quizzes regarding nosotros commands (I have a quiz tomorrow on them) As I was completing the quiz, I noticed I got this incorrect: In context: "Vamos a decirlo" Therefore I changed it to digámoslo. However, a grammatical text...
April 2, 2007
Short translation Spanish
How would you say, 'that is just a fraction of many representations.' (an idiomatic expression yet again) Last post! Sorry and thank you so much for helping me on this oral. Thank you for using the Jiskha Homework Help Forum. "Eso es no más que una fracci...
March 27, 2007
Hi, I am trying to translate "It is still an everyday struggle to compete in this male dominated world, but there are many women who are defying adversity." Is this accurate: Es una problema para hoy a competir en este mundo de hombres, pero hay mujeres quien estan ...
March 26, 2007
Which of the following does not function is suspension feeding? This makes no sense. I am not sure what you are asking, since you did not indicate what is "following." I searched Google under the key words "suspension feeding" to get these possible sources...
March 18, 2007
physiology (nernst equation)
If cell depolarises at +50mV, what are the concentrations of K+? I am really confused how to use the nernst equation to get the concentrations. If I set up 58 [Kout]/[Kin] = 50, will that be right? I am not sure how to start this problem.
March 6, 2007
In a television set, electrons are accelerated from rest through a potential difference of 18 kV. The electrons then pass through a 0.34 T magnetic field that deflects them to the appropriate spot on the screen. Find the magnitude of the maximum magnetic force that an electron...
February 26, 2007
One component of a magnetic field has a magnitude of 0.046 T and points along the +x axis, while the other component has a magnitude of 0.066 T and points along the -y axis. A particle carrying a charge of +7.50*10^-5 C is moving along the +z axis at a speed of 3.20*10^3 m/s...
February 26, 2007
english - idea on how to conclude a paragraph?
My introductory sentence is this: My least favourite musical performer is none other than the princess of pop herself, Britney Spears, otherwise affectionately known as Brit Brit in some blogging communities. I talk about some of her 'wild antics' in the paragraph but ...
February 19, 2007