# Questions Asked onApril 3, 2011

1. ## freedom similes and metaphors?

I'm stuck on what to write for freedom similes and metaphors? help? Thanks!

2. ## Physics

A certain moving electron has a kinetic energy of 1.01 × 10−19 J. Calculate the speed necessary for the electron to have this energy. The mass of an electron is 9.109 × 10−31 kg. Answer in units of m/s.

3. ## college chemistry

When ammonium carbonate decomposes, what would happen to a glowing splint in the presence of the gases that are evolved. Explain

4. ## physics

the velocity of the water jet discharging from the orifice can be obtained from v = (2gh)^(1/2), where h = 2m is the depth of the orifice from the free water surface. determine the time for a particle of water leaving the orifice to reach point B and the

A 8000-kg freight car rolls along rails with negligible friction. The car is brought to rest by a combination of two coiled springs as illustrated in the figure below. Both springs are described by Hooke's law and have spring constants with k1 = 1700 N/m

Particles 1 and 2 of charge q1 = q2 = +3.20 x 10-19 C are on a y axis at distance d = 22.0 cm from the origin. Particle 3 of charge q3 = +9.60 x 10-19 C is moved gradually along the x axis from x = 0 to x = +5.0 m. At what value of x will the magnitude of

7. ## chemistry

Does a precipitate form if HCl and Ba(NO3)2 are mixed?

8. ## physics

"A solid cylinder and a thin-walled hollow cylinder have the same mass and radius. They are rolling horizontally along the ground toward the bottom of an incline. They center of mass of each cylinder has the same translational speed. The cylinders roll up

9. ## Chemistry

What is the percent ionization for each of the following acids? a. 0.022 M HClO2 solution of pH= 3.88 Answer obtained: .60% pH = 10^(-3.88) = 1.32 x 10^-4 % ionization= [H+] formed divided by MHA (original acid concent) x 100 = (1.32x10^-4)/0.022 x 100 =

10. ## Chemistry

A sample containing 4.80g of O2 gas has a volume of 15.0L. Pressure and temperature remain constant. What is the new volume if 0.500 mole of O2 gas is added? Am I converting the 4.80 O2 into moles first? How do I do that?

11. ## Chemistry

This is for a lab about determining the equilibrium constant. Given: 5.00mL of .203M Fe(NO3)3 mixed with 100mL of .00205M KSCN in a .5M HNO3 solvent for both solutions. Resulting absorbance for solution is .315. How can i find the total Fe, [Fe*] and SCN,

12. ## Chemistry

What is the pH of a 0.0344 M KOH solution?

15. ## linear programming app

write the constraints as linear inequalities and identify all variables used. A canoe requires 8 hours of fabrication and a rowboat 5 hours. The fabrication department has at most 110 hours of labor available each week

16. ## physics

A block of mass m = 5 kg is attached to a spring (k = 35 N/m) by a rope that hangs over a pulley of mass M = 7 kg and radius R = 4 cm, as shown in the figure. Treating the pulley as a solid homogeneous disk, neglecting friction at the axle of the pulley,

65. ## Chemistry

A solution is prepared by dissolving 130 g of NaNO3 in 100 g of water at 80°C. The solution is cooled to 0°C. How many grams of compound remain in solution? How may grams of solid are formed?

66. ## English

this is what i have done so far, but i need help with the rest. The type of graphs that could be used for the topic same-sex marriage, such as graphing out how many same-sex couples exist in the state of region. Than comparing the number of licensed

67. ## chemistry

A gas mixture contains oxygen and argon at partial pressures of 0.60 atm and 425 mmhg. If nitrogen gas added to the sample increases the total pressure to 1250 torr, what is the partial pressure in torr?

68. ## Literature

I am writing a paper on the movie "Smooth Talk" and the short story "Where are you going where have you been". I am going to be talking about how they are different from each other. I was wondering if someone could just let me know how my thesis sounds,

69. ## english

i have no clue how to paraphrase!!! paraphrase the quotation: the poets voice need not merel be the record of man it can be one of the props the pillars to help him endure and pervail.

70. ## Chemistry

A 22.3 mL sample of a weak monoprotic acid, HX, requires 50.0 mL of 0.040 M NaOH to reach the equivalence point. After the addition of 30.0 mL of NaOH, the pH is 5.30. What is the Ka of HX?

71. ## chem

If 0.752 g of pure sodium carbonate was dissolved in water and the solution titrated with 25.90 mL of hydrochloric acid to a methyl orange end point, calculate the molarity of the hydrochloric acid solution. (Hint: This process takes the carbonate ion to

72. ## Chemistry

A solution is prepared by dissolving 130 g of NaNO3 in 100 g of water at 80°C. The solution is cooled to 0°C. How many grams of compound remain in solution? How many grams of solid are formed?

146. ## Physics

a shaft rotation @ 800 rpm delivers a torque of 240 N.m to an output shaft that is rotating @ 200 rpm. a. if the efficiency of the machine is 70%, compute the output torque b, what is the output power e=Po/Pi .7=x/240 N.m = 168 N.m this is not the answer

147. ## Chemistry

What volume will 10.0g of oxygen gas occupy at a temperature of 22 degrees C an a pressure of 740. torr? Hint: Change pressure units to atmospheres.

148. ## math

how write a number story that solve by adding

149. ## English

I left out the following sentences. Thank you for your help. It's urgent 1) I must always bring all my books and exercise books to school (class?) I must do (my) homework every day. 2) How can I get to the school (or to school?) from here? Do you know how

150. ## science

what would most likely happen to organisms in an ecosystem if the temperature suddenly increased alot for an extended period of time?

151. ## chemistry

Calculate each of the following quantities in 0.183 mole {\rm (C_3H_5)_2O}: Find the Atoms of H and C

152. ## French - Sentences

Could you check to see if these sentences make any sense. I tried to simlify what I wanted to say. Oui, j'aime l'art parce il fais moi sourire. Il fais moi avoir envie de magique, et il donne moi plaisir. In english: Yes, I love art because it makes me

153. ## physics

Bob..thank you very much for taking time with my question but I still don't seem to get it. the book answers are a=672 N.m b=14.1 KW to re-iterate the problem...a shaft rotating @ 800 rpm delivers a torque of 240 N.m to an Output Shaft that is rotating @

154. ## Word Meaning

What's another word for unconsitutional?

155. ## statistics

A sample of 36 females is taken. What is the probability that the mean height of these women is shorter than 64 inches if we know the height for all American females is N(63,3^2)? What is the probability that a random woman is shorter than 64 inches?

I'm watching shark tank and they keep going on about royalty. They'll say something along the lines of: I'll give you 500k for 30% equity and 10% royalty. I don't really understand all this business stuff but what I think is going on it that they're giving

157. ## math2

What would be the greatest commmon factor to 15, 34, and 55?

158. ## Chemistry

Given the following information: Ag^+(aq) + Cl^-(aq)AgCl(s) Keq=1.8x10^-1 Ag^+(aq) + 2NH3(aq)Ag(NH3)2^+(aq) Keq=8.2x10^3 Explain why the AgCl(s) dissolved when NH3 was added to the test tube.

159. ## English

In Chicago what are some jobs problem list it.Explain

160. ## physics

what is the answer for this a car starts from rest at 0.8 meters pre seconds for 10 seconds and contiunes for a further 20 seconds what is the distance travelled

161. ## Little Miami

Two redtangles are similar. One has a length of 11 cm and a width of 6 cm, and the other has a width of 5 cm. Find the length of the second rectangle. Round to the nearest tenth if necessary.

162. ## chemistry

a solution that has an absorbance of 0.603 is diluted ten fold. What is the absorbance of this solution now?

163. ## Sociology

I need help with these homework questions!! 1. if a young person aspiring to a career in environmental issues joins professional society he or she should be engaging in: a. primary group behavior b. cliques c. anticipatory socialization d. none of the

164. ## Finance

An investment generates $10,000 per year for 25 years. If you can earn 10 percent on other investments, what is the current value of this investment? If its current price is$120,000, should you buy it?

165. ## Chemistry

How many milliters of 0.500 M magnesium nitrate can be produced from the reaction of 35.5 grams of magnesium bromide.

166. ## algebra

the equation y=1777x+27,153 can be used to predict the number Y of gun deaths in the US X years after 2000, that is x=0 corresponds to 2000, x=3 corresponds to 2003, x=4 corresponds to 2004, and so on. Predict the number of gun deaths in 2004 and 2009, In

167. ## Government

Could you give a short list of cases involving zero tolerence in schools. I am trying to locate individual cases to research and write a report on. Thank you

168. ## English

I forgot to add the following sentences. Thank you very much. 1) In the evening I always have to prepare (?) my schoolbag.I must put up my hand if I want to speak (??) I mustn't eat or drink during school hours (also: lessons?) 2) I mustn't interrupt my

169. ## Algebra

Please confirm if I did the follow problems correctly: A) Find the sum or difference. (5a – 3b) + (2a + 6b)= 7a + 9b Answer: = 7a + 9b B) Let’s work a few of these (FOIL) 1) (x+2) (x+8) = x 10 Answer: x10 2.) (x+5) (x-7) = x + 11 Answer: x + 11 3.)

170. ## math

Write a equation for the following situation: In one U.S. town, the annual consumption, b, of beef (in kg per person) can be estimated by adding 20 to half the years, t, since 1975.

171. ## algebra 2

please help i have done these problems 3 times now and always get them worng. find the first three terms of (a-b)^6 find the last three terms of (2x+y)^5 find the third fourth and fifth terms of (a+b)^9

172. ## Physics

Electrons in a beam incident on a crystal at an angle of 300 have kinetic energies ranging from zero to a maximum of 5500 eV. The crystal has a grating space d=0.5A0, and the reflected electrons are passed through a slit .Find the velocities of the

173. ## Physics

At what separation is the electrostatic force between a +11.5 mu C point charge and a +29.2 mu C point charge equal in magnitude to 1.90 N?

174. ## math

if 2 cards are drawn from 52-cards deck without replacement, how many different ways is it possible to obtain a king on the first draw and a king on the second?

175. ## spanish2

how do you make a spanish comic strip with only two people talking to each other? please give me some examples

176. ## Algebra I

How do you find compositions of functions? Example: (-x Squared)(x-2/5(8))

177. ## elementary

Plane A left Vancouver for Winnipeg, a distance of 2232 km, travelling at an average speed of 560km/h. At the same time, Plane B left Winnipeg for Vancouver travelling at an average spped of 430km /h. how long after take-off did the planes pass each other?

178. ## Chemistry

If 2.00 liters of 0.580 M CuSO4 solution is electrolyzed by passing 1.70 amps through the solution for 2.00 hr using inert electrodes. What is the [Cu2+] in the solution at the end of the electrolysis?

179. ## English

I have two more questions on the same theme. Thank you. 1)Pay attention to (not at) your teachers' explanations. 2)You must put up your hand, if you want to ask a question to your teacher/your teacher a question . Are they both possible? 3) You mustn's

180. ## math

A truck traveled 22.75 mileage in 3 hours and 30 mins. What is the unit rate?

181. ## Literature

What literature do you consider to be part of the United States' current literary canon, and why? How do those selections reflect the cultural tradition of the United States? What do you consider to be part of your personal literary canon?

182. ## Government

Left Wing: Support(sometimes radical) change; think that the government should provide more social services such as education and health care(therfroe they support higher taxes); believe that the government should be heavily involved in managing the

183. ## english

In paragrpahs 2-4 the letter Public Statement by Eight Clergymen why does King use narrative in paragraph 2 and why does King use refutation. In paragraph 3 why does King use allusion.

184. ## English

We have to give presentations on syntax. I remember awhile back reading this modernist poem which repeated the same sentence over 20 times but changed the order of words each time resulting in a different meaning. I think it really demonstrates the

185. ## math

2(5656)-93872

186. ## chemistr

A solution preapred from 50.0 g NaCL AND 150 G Of water has a mass/mass percent concentration

187. ## English

I left out two sentences. Thank you. 1) I take the clothes out (and not: I take out the clothes?) 2) You mustn't speak during the lessons/during lessons/during your school hours/during your school classes. 3) You must be in class when the teacher arrives.

188. ## algebra

i do not understand how to solve for x and y can someone please explain it to me. an example of the problem i am workin on is 6x-4y=72

189. ## Essential Mathematics 2

The length and width of a given rectangle are 6 feet and 5 feet. What is the perimeter of the rectangle? What is the area of the rectangle?

190. ## Chemistry

The compound A1B2 (molar mass = 132) has a solubility of 13 g/L. Calculate the Ksp for this compound. I'm stuck on this question, please help?

191. ## Algebra

Write a direct algebraic proof to show that if a/b=c/d, then a+c=b+d

192. ## Social Studies

What are the 5 things that every business needs to succeed?

193. ## plays .. english

could anyone give me comedy plays that are short... i have a project and we should do a movie about a play within 15 min. any suggestions!!

194. ## Chemistry

Is a calibrated thermometer more precise than one that has not been calibrated? What implications does this have for measuring temperature changes as contrasted with measuring individual temperatures?

195. ## dressmaking

Silk is a delicate & usually a semi-transparent fabric, and a french seam would seem to be preferable to an open seam because silk does fray and the raw edges would need to be finished. Would this addition process add bulk and drag on the drape of the

196. ## English

Thank you very much. Can you help me rephrase the last few lines, please? "Obscene as cancer, bitter as the cud Of vile, incurable sores on innocent tongues,-- My friend, you would not tell with such high zest To children ardent for some desperate glory,

197. ## physics

Calculate the angular speed of the rod, the vertical acceleration of the moving end of the rod, and the normal force exerted by the table on the rod as it makes an angle θ = 49.6° with respect to the vertical. b) If the rod falls onto the table without

198. ## math

The table shows the amount of marbles brandon has in each bag. Brandon's Marbles bag) 1,2,3,4,5,6 marbles)12,11,12,20,21,20. What is the range?

199. ## FRENCH/Sra JMcGin

Bonjour! Pourriez-vous me dire, s'il vous plait, quelle de ces phrases et correct? Je veux dire: " it has been two years since we were there" 1) Il y a deux ans que nous y étions 2) Il y a deux ans que nous étions là 3) Il a été deux ans depuis que

200. ## pre algebra

Two 6-sided dice are rolled. Find the odds of rolling s sum that is a prime number

201. ## English

Can you please check these sentences? It's really urgent. 1) At school I mustn't cheat during a test (also tests?). 2)When I do the washing-up, I have to put the dishes into the dishwasher, then put the washing-up gel (powder) into the dishwasher, start it

202. ## English Honors - Tale of Two Cities

Hello, I can't figure out the significance of the quote in Tale of Two Cities: "Drive him fast to his tomb". I know it signifies the beginning of the revolution but I'm not sure why.

203. ## PreCal

Write each expression in problems 1 to 3 in the form a + bi. 1. (8-3i)+(-6+2i) 2. 4/(2-i) 3. (3-2i)^3 I do not understand at all where to start. I tired looking on google to find a way to solve but I didn't get any real help. So please help me!

204. ## math

if an angle has 40DEGREES and 80 dgrees what is the missing number?

205. ## chemistry

Suggest a technique the student could try to reduce the concentration of the 12 M solution.

206. ## math

a boat travels 4 km upstream and 4 km back. the time for the round trip is 9 hrs. the speed of the stream is 2 km/hr. What is the speed of the boaty in still water?

207. ## Chemistry

How many milligrams of oxygen sre in a 4.00-L bottle of the gas at STP?

208. ## Chemistry

How many moles of N2 can be in a balloon with a volume of 6.00 L at STP?

209. ## Chemistry

What pressure, in atmospheres, is exerted by 0.120 mol of steam (water vapor) at its boiling point of 100.degrees C if the volume is contained in a 2.00-L teakettle?

210. ## English

Need to decide which form is needed:present participle, past, past participle of each verb in parentheses. 1. Nora (see) the toy exhibit at the museum. ANSWER=Seen 2. People (speak) French in parts of Canada. ANSWER=spoke 3. That character has (say) "Good

211. ## Math

Find the length of VR, the direct distance across the river, to the nearest tenth.

212. ## Math

What is the equation for the sequence 1, 2, 1/4, 8, 1/16, 32,......

213. ## Science

How many Newtons of force are neede to lift 20 50lb bags of sand??

214. ## calculus

A company wants to bid on an order of 20,000 square based boxes which hold 5 cubic feet. The cardboard cost is $.15 per square foot. The boxes must be reinforced with an extra layer of cheaper cardboard on the bottom ($.12 per square foot). The box is held

215. ## Physics

Given that q = +17 mu C and d = 14 cm, find the magnitude of the net electrostatic force exerted on the point charge q2.

216. ## Math

How would I solve this...I don't get it. Two solutions of an equation are (6,5) and (8,5). What could the equation be?

217. ## FRENCH - repost

Pourriez-vous me dire, s'il vous plait, quelle de ces phrases est correct? Je voudrais dire: "It has been two years since we were there". 1) Il y a deux ans que nous y étions. 2) Il y a deux ans que nous étions là. 3) Il a été deux ans depuis que nous

218. ## math

find the vertex, the line of symmetry, the max or min value of f(x)=2x^2-8x+16

219. ## algebra

find the slope and the y-intercept f(x)=-10x-9

asked by bianca, pleeease help i'm lost
220. ## AP Chemistry

A mixture of aluminum and zinc metal is used in 2 experiments described below: A- A 1.7 gram sample of the mixture is reacted with excess hydrochloric acid and the resulting hydrogen gas is collected over water. The reaction takes place at 750 mm Hg

221. ## algebra

solve by the subtraction method 5x+6y=0 x=34-8y

asked by bianca last one I promise
222. ## French

I love all the painters J'aime tous le peintres. Have I written it correct?

223. ## physics

If we instead used 90 g of steam, how much of the 200 g of water would have turned into 100° C steam in the end?

224. ## italian-college

Ciao! can you please check my italian essay? Im only in italian elements II so its a little rough and I don't know a lot of vocabulary. below is the prompt: Racconta le vacanze più belle della tua vita heres is the essay Mi piace la clima freddo però, mi

225. ## chemistry

what is the ph of a 2.0M solution of a strong acid?

226. ## math

Kate is a veterinarian.she has 9 liter bottles of a common liquid medicine for cats.she carefully measures 90 milliliters of the medicine into a smaller bottle and labels the bottle with each cats name.How many smaller bottles of 90 ml each she make from

227. ## geometry

Two cords are equally distant from the center of two congruent circles draw three conclusions?

228. ## Math

What is the least common multiple of 15, 34, and 55?

229. ## science

only some light passes through

230. ## Chem ap

What happens to cell potential as temperature decreases? Please explain

231. ## chemistry

HOW MANY LITERS OF H2 must react to produce 75.0g of PH3

232. ## english

What are the nouns and verbs in this sentences. Trust in the Lord with all your heart. Do not depend own understanding.

233. ## CHEMISTRY (URGENT!!!!)

What is the Keq of NaOBr dissolving in water if the Ka of HOBr dissociating is 6.4*10^-6

234. ## English

What is a principals report?

235. ## Hcs341

Explanation of why training and education are vital in health care Explanation of the importance of measuring competencies Description of the process for tracking and evaluating training effectiveness

236. ## math

the perimeter of a square is 32 inches.what is the area.

237. ## English 101

I am pretty good at writing papers, but poetry is my weakness. I have to read "For C" by Richard Wilbur and I am having the hardest time analyzing it. Please help me!

238. ## math

At kenneht's school, tickets for a concert were sold at the rate of 40 per half-hour. how many tickets will be sold in 7 hours?

239. ## math

a square with perimeter 5 less then the area. perimeter and area equal 45

240. ## Algebra

Can someone please help me with this? I'm not looking for the answer, just a detailed explanation on how to solve this. Thank you in advance. Solve: 16(t - 1) + 10 > 8(t +2) + 4(t - 1) + 4t

241. ## algebra

(9,2),(10-10) find the slope if it exists

asked by bianca, pleeease help i'm lost
242. ## college

Find the x and y intercepts and graph 9x + 8y = 72. Graph the points.

243. ## Math Help

a to the 9 power b to the 3 power / a to the 7 power b to the 8 power.( a^8b^8/ a^7b^8)