# Questions Asked onJanuary 22, 2009

What mass of ethylene glycol C2H6O2, the main component of antifreeze, must be added to 10.0 L water to produce a solution for use in a car's radiator that freezes at -23C? Assume density for water is exactly 1g/mL. ----------------------------------- This

2. ## Check my other the road not taken questions

1. Where do frosts roads diverge? Frosts rads diverged in a yellow wood. 2. Which road did the speaker in Frosts poem choose? The speaker took the road that was less traveled upon. 3. In frosts poem, the speaker chooses between two different paths in the

3. ## 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?

4. ## chemistry

How many grams of oxygen are required to react with 2.50 g of propane (C3H8) to form CARBON MONOXIDE and water? this is what i did why is it wrong? 2.50 g C3H8 x 1 mole / 44.09 g C3H8 x 5mole O2 / mole = 9.1 g O2 everything cancels to get grams of O2 which

5. ## physical science

Alex pulls on the handle of a claw hammer with a force of 15 N. If the hammer has a mechanical advantage of 5.2, how much force is exerted on a nail in the claw?

6. ## chemistry

Which has the highest boiling point and lowest freezing point? (a) 0.4 m NaCl 0.3 m Na2SO4 0.5 m sucrose (nonelectrolyte) (b)0.2 m HCl 0.2 m acetic acid 0.3 m KOH (weak electrolyte) (c) 0.5 m ethylene glycol (nonelectrolyte) 0.4 m glucose (nonelectrolyte)

7. ## CHEM

I don't understand how to find the formula of a hydrate. Here's one of the question. if you guide me through it I think I'll be able to do the rest of them. Thanks :) When 100g of ZnSO4xœH2O is heated, 43.86g of water is given off. Calculate the formula

8. ## physical science!!!!!!!!

1. Alex pulls on the handle of a claw hammer with a force of 15 N. If the hammer has a mechanical advantage of 5.2, how much force is exerted on a nail in the claw? 2. While rowing in a race, John pulls the handle of an oar 0.08 m on each stroke. If the

9. ## physics

A positive charge of q = 2.6 µC is pulled on by two negative charges. As shown below, one, −2.0 µC, is 0.050 m to the north and the other, −4.0 µC, is d = 0.029 m to the south. What total force is exerted on the positive charge?

10. ## Literature

From Act I of "Julius Caesar"/ 1) How do the workmen celebrate as the play begins? 2) Who does their celebration annoy Flavius and Marullus? 3) What warning does the soothsayer give to Caesar? 4) What does Caesar's reaction tell you about him?

11. ## Science

From January to July, there is a smaller temperature change in the Southern Hemisphere than in the Northern Hemisphere.How does the Southern Hemisphere's large ocean-water surface cause this smaller temperature change?

12. ## Math

A framer at a photo gallery wants to frame a print with a matte of uniform width all around the print. To make it pleasing to the eye, the area of the matte should equal the area of the print. If the print measures 40 cm by 60 cm, how wide should the matte

14. ## Math

A farmer has \$2400 to spend to fence two rectangular pastures.The local contractor will build the fence at a cost of \$6.25/m. What is the largest area that the farmer can have fenced for that price?

15. ## Math

A truck driver estimates that a country road rises 40 cm for every 6 m along the road.What is the angle of inclination of the road? Express your answer to the nearest tenth of a degree.

16. ## Math

A small plane flying into the wind takes 3h 20 min to complete a flight of 960 km.Flying with the wind, the same plane takes 2h 30 min to make the trip. What is the speed of the plane? What is the speed of the wind? can you plz help thx I really am

17. ## science

how do you do this question An aqueous solution of calcium chloride contains 2 grams of calcium chloride ( molar mass 110.98 g mol-1) in 100 ml calculate the concentration of chloride ion (Cl-) in the solution

18. ## Math

Rita kicks a football. Its height h, in metres, after t seconds is given by h = —4.9t^2 + 22.54t + 1.1. To one decimal place, find the maximum height of the football and the time when it reached this height.

19. ## Physics

What are the magnitude and direction of the electric field at a point midway between a -8.0 microCoulomb and a +7.0microCoulomb charge 8.0cm apart? Assume no other charges are nearby. I have been working on this problem for a few hours now and I haven't

20. ## Math

A small plane flying into the wind takes 3h 20 min to complete a flight of 960 km.Flying with the wind, the same plane takes 2h 30 min to make the trip. What is the speed of the plane? What is the speed of the wind?

21. ## Physics

GPS satellites are at altitudes of exactly 20000 km, where the acceleartion of gravity is only 5.8% of its surface value.What is the orbital speed of the GPS satelites to the nearest hour. I got 9774, but I know this is wrong any help would be greatly

22. ## geometry

the corresponding sides of similar polygons are ?

23. ## calculus

lim x->(pi/3) (cos x -(1/2))/(x-(pi/3)) is?

24. ## Anatomy

Can someone help me answer these 4 questions I have? Skeletal muscle cell are long and do not branch. Why is this the best structure for this type of muscle? Why does having many long, branched dendrites and axons beneficial for nervous tissue? How does

25. ## The road not taken last question

for my last question How do you think the different roads in these peoms might symbolize or reperensent the situations of the two speakers? Answer: The roads represent the situations of the two speakers becasue they made tough choices when they traveled

26. ## Math

draw a quadrilateral that has 1 pair of parallel sides and 2 right angles. What is the name of this shape?

27. ## Chem

I am having problems with these two questions. 1.The value of the equilibrium constant (Kp) as represented by the first chemical equation is 1.58 x 102 at 727 °C. Calculate the value of the equilibrium constant (Kp) for the second equation at the same

28. ## The road not taken

The poem of the road not taken could you help me with this one question? I tried to ask my mom but she didn't know either. How do you think the different roads in these poems might symbolize or represent the situations of the two speakers?

29. ## math, urgrent, help

What is the difference between the two given data sets? which measure of center changed the most, mean , meadian or mode? which measure of center changed the least?

30. ## Chemistry

Given that the world's oceans comtain 1.35 x 10(to the 9th power)km³ of water, determine the mass in grams. Show how to obtain conversion factors from km³ to m³, report value in proper scientific notation using the correct number of significant figures.

31. ## U.S. History

please check this 1. The Great Awakening is best described as a. the conversion of thousands of Native Americans to Chrisitanity b. the shift of many New Englanders to the Quaker faith c. a total rejection of Puritian ideas d. a series of religious

32. ## science

List at least three physical properties of water which contain numerical values. Describe a chemical proterty of water which involves a chemical reaction.

34. ## IT-240

• Define each of the following terms in your own words: o Boot sector o File o Multipartite o Macro o Trojan horse o Email worms o Instant messaging worms o IRC worms o File-sharing networks worms o Internet worms • Explain how each virus or worm

35. ## english

what makes "lamb to the slaughter" such a good short story? this question is for my essay i tried talking about the chracters but this is supposed to be my next paragraph can you please help thankyou

36. ## Math

I need help setting up this problem: Write the set of points from -7 to 1 but excluding -4 and 1 as a union of intervals.

37. ## Science

Scientists theorize that an increase in atmospheric carbon dioxide level might cause an increase in global temperatures. This theory is based on the fact that carbon dioxide is a. good absorber of infrared radiation b. poor absorber of infrared radiation

38. ## Math

A 40 acre plot of land is to be divided into building lots, each 3/4 acre in size. How many lots can be created?

39. ## Grade 10 Physics (Acceleration, Speed, Time)

I just need someone to check my answers to this one review question.. Exams are tomorow so i need them to be checked quickly. An Octopus accelerates at a rate of 0.65m/s/s for a time of 4.8s. How much will the speed of the octopus change? We are trying to

40. ## Science

1. What is the relationship between elevation and average surface temperature? 2. What is the generalized relationship between latitude and average surface temperature..(I think it's that the higher the latitude, the colder the surface temperature)? 3.

This is a poem by Alice Walker and a question at the end but I can't figure out the question. Poem title: "Good Night, Willie Lee, I'll see you in the morning." Looking down into my father's dead face for the last time my mother said without tears, without

42. ## U.S. History

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 to Britain im not sure about this..i think its A

43. ## Social Studies-Countries-Afghanistan

What are some useful sites that give info about Afghanistan's history and culture? Also, when did it become recognized as a country?

write a function rule for the input-output table input X 0 1 2 3 output Y 5 4 3 2

45. ## Probability independence

A fair die is rolled twice with the two rolls being independent of each other. Let M be the maximum of the two rolls and D be the value of the first roll minus the value of the second roll. Are M and D independent?

46. ## trigonometry

how to find the missing angle??

Can this be a ten organism food chain?Sun-algae-mosquito-dragonfly-frog-fish-raccoon-coyote-bear-human.

48. ## chemistry

why do we have to round the empirical to a whole number?

50. ## chemistry

In an atom, there is a force that holds the protons & neutrons in the nucleus. Is this force called the nuclear force? What about the force of attraction between the nucleus and electrons? Is is called the electrostatic force of attraction?

51. ## english

what makes the short story lamb to the slaughter a good story? could you please help me describe this in more detail

52. ## critical thinking

SUVs are apartment homes on wheels (a rhetorical definition). Said by a student who is new to honors classes and struggling with them: ¿I would have aced that test if I weren¿t in a class full of brainiacs. They studied too much and ruined the curve!¿

53. ## Social Studies

I also need major facts about: The First and Second Continental Congress The Battle of Saratoga and The battle of Charleston

54. ## science

Which of the following is an example of a mineral? A) water B) granite C) coal D) quartz

55. ## Books

What is the book The Breadwinner about? At school, my class is going to start reading it. I read it 3 years ago on my own but I forgot most of it lol.

56. ## Spanish (replying to SraJMcGin)

I was told by my teacher that I don’t need to include the pronoun if I’m referring to “I” or “we” since it’s implied... I thought the preterit tense is more appropriate for the first sentence because I only played those instruments from 2000

57. ## social studies

what roles did women play in medieval times?

58. ## AP Calculus

Find the antiderivatives. 1) çãx (x+1) dx 2) ç(x^3-4)/ (x^2) dx 3) ç(3sinx) dx 4) ç(5secxtanx) dx 5) ç(1/x) dx 6) ç(e^x - 2x) dx 7) ç(3)/((1-x^2)^1/2) dx I picked the antiderivatives i did not know how to do. Please show me how to

59. ## French work to be checked

If some are wrong could you please give me some more steps on it. thanks 1.Qui est ------- amie? Qui est mon amie? Answer: Mon amie est Briana 2. Qui est ----- ami? Qui est mon ami? Answer: Mon ami est Alex 3. Ou, habitent ------ grands - parents? Ou

60. ## Math

Flying into the wind, a plane takes 8 h to travel 5432 km from Paris to Montreal. The same plane flying with the wind from Montreal to Paris takes only 7 h. Find the speed of the plane and the speed of the wind. Can you plz answer this sir I really would

61. ## s.s

what i sused to cover toe nails and nails in ancient egypt?????PLZ HELP!

62. ## chemistry

how would the loss of magnesium oxide effect the ratio of magnesium to oxygen? and could you please show me the calculations ,, and thank you

63. ## ECON

Suppose Fred has a utility function of the form U = X ½ Y ½ . Fred has an income of \$100, good X costs \$1.00, and good Y costs \$2.00. How much of good X and how much or good Y will Fred buy? Be sure to show all your work. Ive aready drawn my graph and i

64. ## accounting

I am having trouble with this can someone please help me? Thank You Post your response to the following: The Ritz Manor is a popular seaside resort. A double room costs \$220 for one night. In order to reserve a room, guests must pay one night’s stay in

65. ## Science

A desert would most likely form on the leeward side of a mountain. would it most likely form at the top or at the bottom of the leeward side?

66. ## biology

To find the equilibrium constant a. one should take the log10 of the concentration of products over the concentration of reactants none of the above b. none of the answers is correct c. one should measure the concentrations of products and reactants in the

67. ## geometry

two angles are complementary. if one angle is 10 more than twice the other, what are the angles?

68. ## Criminal Justice 210

Identifying the two major differences in the organization of personnel between New York police departmet and Denver police departments

69. ## trigonometry

how to find the missing angle??

70. ## critical thinking

In 1976 a powerful earthquake hit the city of Tangshan, China. Scientists had failed to predict the earthquake. If people had paid attention to the unusual animal behavior that preceded the earthquake, however, they would have known it was coming. Animals

71. ## Algebra

Did I do this correctly? 13 - (2c + 2) >(pretend it has the line under it that means greater than or equal to) 2(c + 2) + 3c 13 -2c -2 (greater than or equal to) 5c + 4 11c (greater than or equal to) 7c + 4 -7c to both sides 4c (greater than or equal to) 4

72. ## computer

define search engine

73. ## organic

which substituent increases the acidity of a phenolic hydroxyl group when located next to it? CH3- CH3Cdouble bond O -C double bond N

74. ## 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 =

75. ## social studies

i need a map of some national parks in okanogan. !!!!!!!!!!!!!!?????????????

76. ## Chemistry

In the qualitative test for nitrate anion, the test goes like this: - Add dilute sodium hydroxide, then add a little aluminium powder. Warm. Why do we need to warm the mixture?

77. ## organic

how do you prepare m-bromophenol (E)?

78. ## chemistry

how would the loss of magnesium oxide smoke affect the empirical formula for magnesium oxide? show me the calculations please

79. ## math

What is the smallest odd numberyou can find that is the sum of three different prime numbers?

80. ## Chemistry

If you look at the Periodic Table,you will see chlorine with a relative atomic mass of 35.5. That means the average mass of a chlorine atom found in nature is ________?

81. ## grammar

After sliding into second base Alex realized the outfielder had dropped the ball.

82. ## Medical Transcription

Can you pleae help me on medical transcription.

83. ## English-College

For my college english class we have to write a highly technical document, semi technical document, and non technical document. All them have to be on the same topic and a 1/2 page each. I was wondering if you had any ideas on what I can write on and what

84. ## History

This is about Ronald Reagan can someone help me please?Describe the social, economic, and political composition of the decade of corporate greed and how it affected the political climate of the 1980s. Keep in mind that Reagan's tax policies favored some

85. ## math

show me how do find volume i know it is base x height but then what? example 20 cm wide 17cm high and how do i bring it to nearest cubic unit. I am in 6th grade. thank you

Can someone help me create a food chain and a food web using ten organisms?

87. ## Chem

What is the difference between an atom and a molecule?

88. ## Algebra

2(0.5-3y) + y > (4y-0.2)8 I understand how to solve the problem, but my final answer was y < -17/155, which I have a strange feeling isn't right. Maybe I tripped up somewhere. Here's my work: After distributing: 1-6+y>32y-1.6 +6 to each side 1 +y > 32y +

89. ## revoulutionary war

what is the definition of the following? separation of powers three branches of government virginia plan new jersey plan great compromise 3/5 compromise checks and balnces federalism if you know anything about any of these subjects, it will be greatly

90. ## Science

what is the source of the energy in the greenhouse? what is the source of energy entering Earth's atmosphere?

91. ## Algebra

Solve by using substitution method. 1. y=3x-2, x=4

92. ## maths

pplz tell me about maths working modals froom where can i down load then????

93. ## com 135

There are many distinctions among the different types of communication techniques used in the business world. · Select two techniques. · Provide an example of when it is appropriate to use each in corporate communication

94. ## ALgebra

Can someone help me foil this?? (x - 1)] + (x + 4)] = 5

95. ## college - economics of china

"Hi there! Can you tell me about economics of China? Can you suggest any credible source that I can look up for those information?

97. ## WG

i all ready did my work and i want to see if i got them right..... 1.what does a small blackened dot usually represent? Cities or towns. 2.which state contains the name of a country bordering united states? Canada. 3.what is the name given to the half of

98. ## high school drama

Need answer to the following Thespian riddle: Under it stands, In it begins, that which feels the wind

99. ## Global 1

The place I have to do is Netherlands. What were the positive and negative effects of colonization? What was the effect on the colony?

100. ## bio

What is formed during gastrulation?

101. ## College Applications

Where can i find out what format to type my Background Information that entails Activities I have been in, the awards I have received from them, and past jobs that i have had? Thankyou.

102. ## religion

religion can effect people in many different ways. list at least two effects that organized relgion has had on society and give examples from the past or present world events that illustrates your examples

103. ## psychology

what is the definiton of meta analysis

104. ## Math

Flying into the wind, a plane takes 8h to travel 5432 km from Paris to Montreal.The same plane flying with the wind from Montreal to Paris takes only 7 h. Find the speed of the plane and the speed of the wind.

105. ## algebra

How can you tell whether a function is rational or not? And how do you determine holes of a graph? Thanks!

106. ## Algrebra

How do i factor this? t2-16t+64

107. ## Math

M is parallel to L. And T is transversal. Find the value of X. I cant seem to figure out a correct solution could you help me. M

Question:Percy is coloring a flag he made for class. He can use the colors blue, green, yellow and red.He can paint the rectangle part (backround) of the flag one color, the triangle one color, and the star one color. For example, Percy could make the star

109. ## algebra 2

do elephants wear roller skates?

110. ## Science

weather conditions in new york city are likely to be a. warmer than the surrounding countryside b. colder than the surrounding countryside c. drier than the surrounding countryside d. the same as the surrounding countryside

111. ## trigonometry

okay so in my review packet under the "calculator" section it says law of sines and law of cosines. i don't know what that means. i wikipedia-ed it but i don't understand what they are saying. Please help!

112. ## Chemistry

In the qualitative test for nitrate anion, the test goes like this: - Add dilute sodium hydroxide, then add a little aluminium powder. Warm. When describing the test, is it acceptable to use the word "mixture" as in "warm the mixture"? thanks.

113. ## math

how do you factor 2x^4-14x^2+24 ?

114. ## Social studies

what are aboriginal rights ?

115. ## IT-240

• Define each of the following terms in your own words: o Boot sector o File o Multipartite o Macro o Trojan horse o Email worms o Instant messaging worms o IRC worms o File-sharing networks worms o Internet worms • Explain how each virus or worm

116. ## Religious Education

Why do Christians believe human rights are important?

117. ## Social Studies

I CANNOT seem to find any good information on William Cockerill, an entrepreneur of the industrial revolution. I have to do an essay on him, but can't find any information. ~Thanks.

118. ## Health/English

Why are more people choosing to use alternative chinese medicines over traditional medical treatments? Are chinese alternatives as effect in curing or stalling the progression of diseases?

119. ## chemistry

how do i balance Cu+O2 arrow(i don't know how to make one)CuO. And what is the reaction type.

120. ## Biology

When the Antibiotics Quit Working essay

121. ## Math

FeatureShop sells 80 stereos per month at a cost of \$600 each. The manager knows that for every \$10 price increase there will be one less stereo sold per month. What price will produce the greatest revenue?

122. ## Math

What is the difference between th two given data stes?which measure of center changed the most, mean , meadian or mode? which measure of center changed the least?

123. ## vocab

An Analogy for able : talented would it be apart and whole or cause and effect or classification or degree or function or what?

124. ## us history

Who were the Nazis and what were their goals in WW II?

125. ## WG

i all ready did my work and i want to see if i got them right..... 1.what does a small blackened dot usually represent?

126. ## Chem

What are those gases that are always bonded to eachother, like they always have the a 2 subscript in an equation?

127. ## social studies

What from nature might have given the Egyptians the belief that they would have life after death?

128. ## organic

what is the major species present in a solution of glycine at a ph of 2

129. ## calculus

I am working on this problem and having some trouble. We're supposed to use partial fractions. The problem is: integral of dx / (x^6-1) . I got the values of A and D, but I am having trouble with the others. Help please!

What is the greenhouse effect and how does it effect the atosmphere?

131. ## Psychology

How does having a negative self-schema affect one's social interactions? How does social intelligence affect one's responses in any given situation? How might a person's self-guides impact his or her perspective on the world?

132. ## Social studies

what are aboriginal rights ?

133. ## social studies

i need a map of washington state that has the major cities physical features and the borders of washington and boundries pleaseee !!!!!!!!!!!!!!!

134. ## Science

Why do darker objects absorb the sun's energy more than lighter objects? Please give me a website that explains this.

135. ## Social Studies

I need to know at least 5 effects of the Revolutionary War.

136. ## people

I need to find information on William C-o-c-kerill (Ignore -), an entrepreneur of the industrial revolution. But, I can't seem to find any information.

137. ## organic

what amine is forms an N-nitrosoamine on treatment with NaNO2 in dilute aqueous acid at 0' C?

138. ## organic

what is the best synthesis of 4-isopropylbenzonitrile?

139. ## Algebra 2

1/x+12=3x/3x^2+36

140. ## math

What is the smallest odd numberyou can find that is the sum of three different prime numbers?

141. ## Science

what is the source of energy entering Earth's atmosphere?

142. ## English

In Germany 1,000,000 pints of beer are consumed daily. Is this present continuous or past? It is ongoing daily, so present but has already happened daily?

143. ## social studies

i need to find out two strenghs and weakness of the continental army

144. ## U.S. History

can anyone help me find a piece of architectuer in Atlanta, Georgia that shows a blending of two cultures i have tried searching g oo gle but i don't find anything

145. ## Continued french work

1. Le pere de Marine est dans la cuisine? Answer: Son pere est dans la couisine. 2. La soeur de Marine est blonde? Answer: Sa soeur de Marine est blonde. 3. La soeur de Thomas est a Paris? Son soeur de Thomas a Paris. 4. La maison de Thomas est jolie?

146. ## history

the policy of using u.s. economic and military power to stop communists from gaining control the middle east was started by prident ????? i think it's eisenhower not sure

If you are looking at a graph of a quadratic equation, how do you determine where the solutions are?

148. ## history

if the president and vice president can't serve out their terms,the next person in line to govern is the??

149. ## Social Studies

I need to know two or three major facts about the battle of Lexington and Concord.

What are the benefits of deinstitutionalization?

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

152. ## Algebra

Is there really any difference between vertical asympotes and domains in functions? Are they always the same numbers? Thanks

153. ## calculus

Can someone help me with the problem? f(x)={ln 2x, 0 2 f(x) is?

154. ## finance

solve problem in chapter 2 of Brealey, Myers, Marcus

155. ## GURUBLUE I NEED U

how can i explain the other question that you wanted to give me a little further explanation. God bless u

156. ## organic

how do you convert methyl-CH2CH2CH2CH3 to methyl-CH-CL-CH-CL-CH2CH3

157. ## Cultural Diversity

I need help with ETH 125 Week 5 Day 7 Assignment: United States-Centric Views Comparison. I attend Axia online college. Thank you.

158. ## chemistry natalie

can anyone tell me if natalie is on

160. ## geometry

if you have a regular octagon with a side 7, what is the area?

161. ## science

What is any one-celled oganism lacking a nucleus called?

what would be placed in Sir Lancelot's and Eragon the dragon rider qualities for;bravery,sense of justice and consideration for others. If know please tell me THANK YOU

163. ## Math intermediate algebra

how do i find the prediction equation for a given set of data? Final tomorrow plzz help

164. ## Criminal justice 220

identifying the two major differences in the organization of personnel between the two police departments

165. ## psychology

what is an explanation using an intergrated set of principals that organizes and predicts observable behaviors

166. ## science

is all light energy solar energy? explain

167. ## world history

what are some aspects of the lutheran tradition?