# Questions Asked onFebruary 1, 2009

What is the millimolar solubility of oxygen gas,O2, in water at 20 degree celsius, if the pressure of oxygen is 1.00atm?

2. ## chemistry

Hydrogen cyanide is produced industrially from the reaction of gaseous ammonia, oxygen, and methane. 2 NH3(g) + 3 O2(g) + 2 CH4(g) 2 HCN(g) + 6 H2O(g) If 5.00 x 10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced,

3. ## Making a fist Poem by: Naomi Shihab Nye

I don't understand this poem, and I read it about 5 times. Making a fist For the first time, on the road north of Tampico I felt the life sliding out of me a drum in the desert, harder and harder to hear I was seven, I lay in the car watching palm trees

4. ## chemmm helppppppppp

Consider the following reaction: 2N2O(g)--->2N2(g) + O2(g) a. express the rate of the reaction with respect to each of the reactants and products. b.In the first 10.0 s of the reaction, .018 mol of O2 is produced in a reaction vessel with a volume of

5. ## parts of speech

Thousands of years ago, fish were caught in nets and traps the word (in) is it a preposition in this sentence.

6. ## Math

If Steve has 120 feet of fence to make a rectangular kennel and he will use his house on one side, how would the dimensions be found for a kennel with the greatest area be found?

7. ## Statistics

In Professor Smith's statistics course, the correlation between students' total scores before the final exam and their final exam scores is r = 0.67. The pre-exam totals for all students in the course have a mean of 275 and a standard deviation of 26. The

8. ## Chemistry

Dioxane C4H8O2 has an enthalpy of fusion = 145.8 Jg-1 and its melting point temp is 11 degrees C. How much energy is required to transform 142g of solid dioxane at 11 degrees C into liquid dioxane, also at 11 degrees C?

9. ## Chemistry

1. WHy is KHC8H4O4 used as the acid in standardization titration? 2. Why should you not shake KHC8H4O4 (Acidic solution) before titrating it with NaOH (Basic solution)? 3. Why is boiled distilled waster used to prepare acidic and basic solutions? Any and

10. ## Physical Education

Discuss the pros and cons of the PACER test. ( fitness test)

11. ## finance for decision makers

After 20 years, 100 shares of stock originally purchased for \$1000 was sold for \$5,000. What was the yield on the investment? Choose the closest answer. a) 19% b) 5% c) 12.7% d) 8%

12. ## statistics

what are the mean and standard deviation of a sampling distribution consisting of samples of size 16? these sameples were drawn from a population whose mean is 25 and who standard deviation is 5. a. 25 and 1.25 b. 5 and 5 c. 25 and 5 d. 5 and 1.25 e. 25

Which, 9-fluorenol or 9-fluorenone, would have higher Rf value on a silica gel place with 30% acetone/70% hexane as the eluent? Explain.

14. ## US history

What did England and the English settlers really want from colonization? National Glory? Wealth? Adventure? A solution to social tensions? New sources of goods and trade? Did they get what they wanted?

15. ## Algebra

During a game, a person wins 600 points. What is the corresponding number for this sentence?

16. ## chemistry

if the freezing point of the solution had been incorrectly determined to be lower than the true freezing point, how would that affect the calculated molar mass? Explain. The molecular weight would be higher if the true freezing point is bigger than the

17. ## History

Why Harlem, during the Harlem Renaissance, was considered to be the Mecca for the arts.

18. ## Chemistry

How would you write skeleton equations for these reactions Lithium(s)+gold(III)chloride(aq)= Lithium chloride(aq)+gold(s) iron(s)+tin(IV)nitrate(aq)= Iron (III) nitrate(aq)+tin (s)

19. ## biology

What are the chances of the offspring being homozygous brown haired? gametes B and b; B and b each parent prodices 2gametes

You see a firefighter aim a fire hose from 4 feet above the ground at a window that is 26 feet above the ground. The equation h=-0.01d^2+1.06d+4 models the path of the water when h equals height in feet. Estimate, to the nearest whole number, the possible

21. ## chemistry

how many grams of water at 0 degree C can be frozen into ice at 0 degree C if 55.0 kJ of heat is removed?

22. ## Algebra

Jodie bicycles 5 km/h faster than Robert. In the same time it takes Robert to bicycle 39 km, Jodie can bicycle 54 km. How fast does each bicyclist travel? I was out of school last week with the flu, and I am trying to do this makeup work but I have no idea

23. ## help!! organic chemistry

Write the mechanism for the reactions of 1) (E)-3-hexene and bromine and 2) (Z)-3-hexene and bromine in dichloromethane. Assign R,S configuration for each of the products and determine whether they are related as enantiomers or identical. I know how to

24. ## english (gurublue or anyone)

I'm stumped on what seems to be a fairly easy question that has been asked of me after reading about "Mike Rose". I will summarize the story and provide the question that has given me the mental block. Simple story... Mike Rose as a kid didn't do well in

25. ## chemistry: again

What is the predominant type of intermolecular force in I2 (iodine)?

26. ## short stories

An individuated character is one who? A. Has his or her own unique history and personality. B. Is a symbol for some characteristic C. is able to be identified with the audience D. has a series of epiphanies

27. ## Geography

what are the two longest countries in south America??? I'm not sure if it's Argentina, or Brazil? Thanks!!!

28. ## Finance for decision makers

Joe Nautilus has \$120,000 and wants to retire. What return must his money earn so he may receive annual benefits of \$20,000 for the next 14 years. a) 12% b)Between 12% and 13% c) 14% d) Greater than 15%

29. ## physics

I did a projectile motion lab, predicting where a ball would land before actually dropping it. I have to answer this question: you accounted for variations in the velocity measurement in your range prediction. Are there other measurements you used which

30. ## Algebra

How do I translate to an algebraic expression. 31 increased by q ?

31. ## Algebra

An equivalent expression of g + wv is?

32. ## chemistry

4 moles of water are heated from 240 K to 310. find delta entropy and graph entropy against K . Info : delta H fusion of water is 5 kJ/mol delta H vaporization of water is 41.4 kJ/mol Cp of ice is 36 j/mol - k Cp of water in liters is 74 j/mol-k

33. ## chemistry

4 moles of water are heated from 240 K to 310. find delta entropy and graph entropy against K . Info : delta H fusion of water is 5 kJ/mol delta H vaporization of water is 41.4 kJ/mol Cp of ice is 36 j/mol - k Cp of water in liters is 74 j/mol-k

34. ## Chemistry

Materials -sandwich-sized plastic ziplock bag -graduated cylinder -paper cup -rubber band -measuring spoons -vinegar -baking soda -twist-tie (like the closure for a loaf of bread) Part 1: The Reaction 1.Use the paper cup during this part of the experiment.

35. ## Com 220 creative writing

Quoting, Summarizing and paraphrasing sources for sexual assaul base on college dringking

36. ## Math

the total fare for 2 adults and 3 childrren on the Tilt a Whirl ride \$14.00. If a child's fare is 1/2 of an adult's fare, what is the adult fare? we know the answer is \$4 for adults and \$2 for children. How do we figure this out though in 4th grade terms

37. ## Probability

There are three investment plans for your consideration. Each plan calls for an investment of \$25,000 and the return will be one year later. Plan A will return \$27,500. Plan B will return \$27,000 or \$28,000 with probabilities of 0.4 and 0.6, respectively.

38. ## math

A rectangular garden is 20 ft wide. If its area is 1500 ft ^, what is the length of the garden?

39. ## Algebra

is -154 divided by 14 undefined? I got -11 and that it is defined. Is that right?

40. ## IT210

I would really appreciate it if you can please explain how the following test were performed. I need to perform peer reviews of the following Currency Conversion Test Procedure and answer some questions about it. If you can just help explain how would I

41. ## CHemisty

Taking the mass of the atmosphere to be 5.7E15 metric tons, what mass of carbon must be burned in order to increase the average carbon dioxide level in the atmosphere by 150ppm by volume (in metric tons)? what equations do i use?

42. ## chem

Is this how you write a skeleton equation i don't understand this Lithium(s)+gold(III)chloride(aq)= Lithium chloride(aq)+gold(s) iron(s)+tin(IV)nitrate(aq)= Iron (III) nitrate(aq)+tin (s)

43. ## math

A random sample of the houses in a particular city is selected and each of the houses in a particular city is selected and each of the house's level of radon gas is measured. The values collected are given in the table below in parts per million (ppm). 4 8

44. ## Literature

i need help writing two paragraphs comparing Hurston's autobiography and Benjamin Franklin's Autobiography. i have to compare the narrator's actions and motives i haven't started on this yet, please help me get started with some information. thankyou:)

45. ## Chemistry

Substance A has a normal fusion point of -10 degrees C, an enthalpy of fusion = 150 Jg^-1; specific heats for the solid and the liquid are 3 and 6.2 Jg^-1C^-1 respectively. To change 150 grams of A from a solid at -40 degrees C to a liquid at 70 degrees C

46. ## math

A rectangular garden is 15 ft wide. If its area is 1050 ft squared , what is the length of the garden?

47. ## chemistry

ideal gas .450 mole initial pressure 16 atm and 290 K expands isothermally to a final pressure 1 atm. find work , if expansion is against a vacuum, a constant external pressure of 1 atm and reviersibly

48. ## math

Two angles of a triangle have the same measure and the third one is 15 degrees greater than the measure of each of the other two. Find the measure of the LARGEST angle in the triangle.

49. ## Chemistry

How would you write a skeleton equation for these reactions I always get confused nickel(II)chloride(s)+oxygen(g)= nickel (II) oxide(s) +dichlorine pentaoxide (g) lithium chromate(aq)+barium chloride(aq)= lithium chloride(aq)+barium chormate(s)

50. ## college

What if your corp sales last year were \$300000 and its net income after taxes was \$22000 what was its profit margin on sales?

51. ## Algebra (urgent!)

I am a bit confused about conjugates in algebra. I am supposed to multiply 8/(the square root of two + 4) by the square root of 2 -4. My math book then goes on to simplify this to (8 times the square root of two minus 32) divided by (2-4 times the square

52. ## math 012

will someone please double check my answer to this problem. the answer i get is a fraction, but not sure how to type it on here. 4(4y+2)=2(1+6y)+8 16y+8=2+12y+8 16y+8=10+12y -16 -16 8=-6+12y +6 +6 14=12y divide both by 12 and that leaves y=14/12 then

53. ## Chemistry

Materials -sandwich-sized plastic ziplock bag -graduated cylinder -paper cup -rubber band -measuring spoons -vinegar -baking soda -twist-tie (like the closure for a loaf of bread) Part 1: The Reaction 1.Use the paper cup during this part of the experiment.

54. ## Algebra

I am a bit confused about conjugates in algebra. I am supposed to multiply 8/(the square root of two + 4) by the square root of 2 -4. My math book then goes on to simplify this to (8 times the square root of two minus 32) divided by (2-4 times the square

55. ## math

how do we find the least residue of 1789 (mod 4), (mod 10), (mod 101)

56. ## Chemistry

Calculate the concentration of SO2(ppm) that must be reached in polluted air (in ppm) if the dissolved gas is to produce a pH of 4.1 in raindrops without any oxidation of the gas. Hint: Sulfurous acid equilibria how would i do this. what equations would i

57. ## Physics

Problem: A Super Ball is thrown to the ground with an initial downward velocity of 0.70 m/s and pops back up to the hand of the thrower; the total time elapsed is 0.71 s. What height was the Super Ball thrown from? Do I use the formula x = x0 +

58. ## math

A rectangular garden is 25 ft wide. If its area is 2100 ft ^2 , what is the length of the garden?

59. ## Finance

You have a chance to buy an annuity that pays \$1100 at the end of each year for 3 yeas. You could earn 3% on your money in other investments with equal risk. What is the most you should pay for the annuity?

60. ## Algebra

Is this right? 7(3x-2)=70 21x-14=70; 21x-14+14=70+14; 21x=84; x=4

61. ## Algebra

I have two questions: first question is : [ 8(6-1)-1]-[2-(5-2)] i got 40 as my answer is this right? And second question is -y + - 80 an equivalent expression to -(y+80)? Because I got -y + - 80.

62. ## math

put fractions in order from least to greatest, explain how you got the answer 3/4 1/2 1/4 2/3

63. ## physics

A light ray enters from glass (n1 = 1.5) to air (n2 = 1.0). Calculate the incident angle at which Θ2 (transmission angle) equals 90 degrees.

64. ## Algebra

1. You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an \$80,000 loan from your family and a \$38,250 small business loan. These loans must be repaid in full within

65. ## Physics

Given: cp,ice = 2090 J/kg◦C cp,water = 4186 J/kg ·◦C cp,steam = 2010 J/kg ◦C Lf = 3.33 × 105 J/kg Lv = 2.26 × 106 J/kg How much energy is required to change a 37 g ice cube from ice at −10◦C to steam at 116◦C? Answer in units of J. ok.. so

66. ## Algebra

Is this correct? You are trying to decide how to most efficiently use your oven. You do not want the oven running at a high temperature whn it is not baking, but you also do not want to waste a lot of time waiting for the oven to reach the desired baking

67. ## Probability

A random variable N has a cumulative distribution function given by F(x)={ 0 for x

68. ## substitution method

1. y=x+4 y+3x 2. y=3x-10 y= 2x-5 3.x=-2y+! x=y-5 4.y=5x+5 y=15x-1 5.y=x-3 y=-3x+25 6.y=x-7 2x+y=8

69. ## Algebra

Solve: 5x-3=11+12x; 17x-3=11; 17x-3+3=11+3= 17x=14; x= 14/17 is this right?

70. ## college physics

Topic: Relative Velocity Question: The escalator that leads down into a subway station has a length of 30.0 m and a speed of 1.8 m/s relative to the ground. A student is coming out of the station by running in the wrong direction on this escalator. The

71. ## CHEM

Evaporation is an A.endothermic B.exothermic process, because when a substance evaporates it must A. absorb B. release energy to(from) its surroundings.

72. ## Physics - Waves

A speaker which produces a frequency of 400 Hz is moving away from an observer and towards a wall at 5 m/s when it is 23 degrees Celsius. What is the frequency of the sound that travels back to the observer? What is the frequency of the sound that travels

73. ## biology

what is the major source of energy for cellular reaction?

74. ## accounting

Anzlyzing financial statement effects of accounting for bad debits using the allownace method. Duffy Bros. uses the allowance method to account for bad debets expense. Duffy experienced the following four events in 2008: 1.Recognition of 64,000 of service

75. ## ETH125

Write a 1,050- to 1,400-word research paper identifying the linguistic, political, social, economic, religious, and familial conventions and/or statuses of four Hispanic groups living in the United States. Your paper should cover Mexican Americans, Puerto

76. ## statistics

In a statistical study, the sample is A. the entire group of individuals about which we want information B. the entire group of individuals from which we actually collect information C. the set of individuals who choose to respond to survey questions D.

77. ## Probability

A random variable N has a cumulative distribution function given by F(x)={ 0 for x

78. ## ENGLISH

could someone please tell me what that means : The entire poem does much to undermine the title of the poem and this is why I find it interesting.

if i want to find the molarity of a solution that is: 5mL of a 3.521 x 10^-5 M solution, and filled to the 50mL line with ethanol, would this be: (3.521 x 10^-5)(.04L ethanol)?

80. ## Algebra

How do I find -x when x= 81?

81. ## AED / ASAP PLEASE

i need help finding info. on Taoist... if they are pro or con on the following things... prayer in school, creationismv. evolution, studying woman's rights in the middle east, saying the pledge of allegiance, starting a gay or lesbian support group, and

82. ## Social Studies

What year did Coronado and Cortes explore?

83. ## CHEM

Vapor pressure is the pressure exerted by a vapor when condensation: A. < B. = C. > evaporation over its liquid in a closed system.

84. ## Algebra

Is this right? 7(3x-2)=70 21x-14=70; 21x-14+14=70+14; 21x=84; x=4

85. ## English

Can you name some good quotes from Macbeth which are relevant to The Witches or Duncan. Thanks.

86. ## US history

was the bank war basically just the opposition of jackson towards the bank or was there mor to it? i already checked google.

87. ## Napoleanic Era

What were Napoleon's main goals when he came to power during the French Revolution? What were his intentions in becoming ruler of France? I know that he wanted to carry out the ideals of the French Revolution but he also had other goals which i am not

88. ## Probability

A random variable N has a cumulative distribution function given by F(x)={ 0 for x

89. ## physics

A standing is generated by two waves which have a velocity of 20 m/s, and go through 10 cycles in 2 seconds. How far is it from the 2nd node to the 7th node of standing wave?

A solution can contain more than one aqueous solution. Name several of the aqueous solutions dissolved in water to make a drink with cola.

91. ## physics

Topic: Relative Velocity Question: The escalator that leads down into a subway station has a length of 30.0 m and a speed of 1.8 m/s relative to the ground. A student is coming out of the station by running in the wrong direction on this escalator. The

92. ## 4th grade social studies

What were William Penn's four promises?

93. ## To James -- AED 200

I removed your post because you presented a complex assignment with no indication of your own ideas. You asked for "help" in brainstorming but offered none of your thoughts. If you repost this assignment along with your ideas, we'll then be glad to help

molarity of a solution containing 5mL of a 3.512 x 10^-5M solution (made from .128g of benzophenone and 50mL of ethanol) and then filled to the 50mL line of ethanol would this be (3.512 x 10^-5)(-.04) ?

95. ## Com220

I do not understand rhetorical devices and would like to know if anyone knows anything as far as reading material what I can read to enhance my knowledge of what the rhetorical devices are.

can someone please help explain how to do this problem. i have a previous posting where i tried to work the problem out, and someone tried to explain where i was confused, but im still confused. 4(2n+1)=3(6n+3)+1

97. ## ENGLISH

does someone know where i could find the anaslysis for the poem "conquerors" by henry treece?

98. ## Physics

1.A light ray enters from air (n1 = 1.0) onto glass (n2 = 1.5). Calculate Θ2 (transmission angle) values for Θ1 (incident angle) values 10, 20, 30, 40, 50, 60, 70, 80 degrees, respectively.

99. ## Science

I need facts about coral reefs

100. ## Algebra

Can someone help me with this one? Find all numbers for which the rational expression is undefined. 6/4w+5 Thanks

101. ## A&P 1

I have a research paper to do and one of the questions is: write an analysis of the physiological and structural effects on the body system integrity when you have someone that does regular physical fitness and exercise. Include an analysis on how the body

102. ## Algebra 2

i'm not sure how to evaluate this (6)/(X^-4) + (5)/(X^-2)

103. ## Literature

i have to write a 5-paragraph interpretive essay on the painting "Sleeping Gypsy" by Henri Rousseau. the important elements is my interpretation and supporting evidence. here's what i have so far, please check and add to if necessary: The Sleeping Gypsy by

104. ## chem

find molar concentration of the solution. .128 g of benzophenone and fill in a beaker with ethanol to the 50.00mL line i came up with 3.5 x 10^-5 (0.128)(1/182.217)(.049872)

105. ## Algebra

Multiply: 8(n+1)= 8(1n)=8n. Is this right?

106. ## Literature;Crucible.

i have to pick one character from the Crucible who decides that they have chosen the wrong action and change their behavior, this switch is often motivated by a number of factors...i have to tell their original course of action and how they change, their

find molar concentration of the solution. .128 g of benzophenone and fill in a beaker with ethanol to the 50.00mL line i came up with 3.5 x 10^-5 (0.128)(1/182.217)(.049872)

108. ## physics

tiny.cc[slash]cTtCg

109. ## Algebra

I am supposed to find the hole in this expression: x^2-4/x^2-4x+4. It gets reduced to (x+2)(x-2)/(x-2)^2. My book says the hole is when x equals two, but I would think it would be -2, since x-2 and x-2 cancel each other out. Why is this? Thanks ~Shealyn

110. ## physics

find the initial velocity of a .01 kg bullet that hits a 2 kg block and the block moves .1 meters.

111. ## science help

Which parts of the molecule benzophenone are chromophores? is it the two aromatic rings? what types of electronic transitions are responsible for the molecule absorbing the light?

Advanced economics question(Keynes),HELP PLEASE? 1. except for the discovery of the changes in price level, what causes the equilibrium in Long run labour market,compared with the less sensitive adjustment of demand and supply in shortd in LR? run labour

113. ## English

what might be the synonym to the word "create" does someone know the good dictionary of synonyms (if something like this even exist....)

114. ## chemistry

Tongue touches a pipe . Calculate final temperature of the tongue. 500 g of aluminum. ambient temp is -5 degrees Celsius. tongue is 100 g. heat capacity is same as pure water. assume heat capacity of aluminum is 24 J/molK.

115. ## ecology

What is it called when two different species change over time due to their long-term relationship?

116. ## social studies

name two types of goods

117. ## Socials

How did work camps and tariffs effect the Great Depression? What were the strength and weaknesses of these effects? workcamp- strength - men got to work weakness - ?? tariffs strength - protected Canada's profit weakness - slowed down trade

118. ## chem

For substance A the emlting point is 16.61 degrees C and the specific heats of the solid and the liquid form are 2.662 and 5.188 JgC respectively. It requires 38600 joules to move 120g of A from 0 degrees C to 32.5 degrees C. This leads to the conclusion

WHAT IS THE CHEMICAL STRUCTURE FOR STARCH

120. ## science help

Which parts of the molecule benzophenone are chromophores? is it the two aromatic rings? what types of electronic transitions are responsible for the molecule absorbing the light?

121. ## armstrong

Which of the rules that make up the HIPAA law affect technology in a health care or human service organization?Summarize the relevant rules in your own words.

122. ## social studies

this is a difficult question, its a critical question but i don't kno wat to write really The title of this article is called Population Growth in Kenya. Develop and defend a hypothesis about how many people might live in Kenya 100 years from now. What

123. ## US history

Can some one explain to me in baby words what the panic of 1819 was? like it was caused by the united states bank because...how?? like its says stuff about loans and speculators but i don't know what that means! thanks

124. ## Social studies

Which sentence sounds better? 1. They also imposed custom duties on imports & exports passing through Swahili towns. 2. They also imposed custom duties on imports & exports passing through the Swahili towns. Please help!! Thank you!

125. ## math 012 double check me please

9x+3(x-4)=10(x-5)+7 9x+3x-12=10x-50+7 12x-12=10x-43 subtract -12 from both sides and that leaves -12=-2x-43 add 43 to both sides and that leaves 31=2x then the answer is x=31/2 (a fraction) im so confused and its even harder trying to type it out and not

126. ## Algebra

How do I solve for y when z= 6-y, for y.The solution is y=?

127. ## Chemistry

--------Materials--------- several black pens of different types 2.0 mL water 2.0 mL rubbing alcohol 2 coffee filters small glass or paper cup --------Procedure-------- You may print this procedure out from Adobe if you wish: chrom.pdf Cut out a

128. ## IGCSE chemistry

ice on a windscreen would dissapear as you drive along even without the heater on.Explain why this happens

129. ## double check me please. math 012

4(5-w)=-w _________ 3 this is a fraction with 3 being on the bottom. do you come up with w=20? thanks

130. ## science repost

Which parts of the molecule benzophenone are chromophores? is it the two aromatic rings? what types of electronic transitions are responsible for the molecule absorbing the light?

If 60 g water is evaporated from the solution at the same time as the temperature is reduced from 25.0 to 0.0 degree celsius, what mass of KNO3(s) will recrystallize?

132. ## math

what is the difference between a ratio and a rate? what is a non-unit rate?

what is evolutionary divergence?

134. ## Phys. Ed

W.Shott OF CLEVELAND pitched a nine inning game without allowing a hit, or a walk, or a man to reach first, and his team made no errors. Yet he lost 1-0 How?

135. ## english

can you give me a good sentence using the word biology and biography

136. ## Coding 1

Differentiate between the offical coding guidelines for using V codes in an inpatient and out patient seeting? My answer: Can you please read my answer and tell me what you think? Please. V codes are so nonspececific, or potentially redundant with other

137. ## criminal justice 210

Can someone help give me some ideas in Explain why discretion is exercised with police any websites would help.

138. ## chemistry

Whats total pressure of a gas mixture that contains hydrogen at 0.45 atm, nitrogen at 0.25 atm, and argon at 0.60atm

139. ## Literature

what is one positive message in the poem "Poetry" by Marianne Moore.. in the begginning of the poem the she says that she "dislikes it", and that there is more importants things. but later she admits that she is interested in poetry. so what would be the

140. ## Algebra

input =9 output = 2 what is the function. input = 27 output = 8 what is the function. input = 42 output = 13 what is the function input = 3 output = 0 what is the function.

Identify the nature of three different companies operating systems.

142. ## Physics

A two end open pipe organ's 5th harmonic produces a frequency of 260 Hz. If it is 23 degrees Celsius, what is the length of the tube? (2 answers) Fn=n(v/2L) Fn=260 Hz n=5 v=332+0.6(23)=345.8 m/s I got 3.325 meters as the length, but it says there's two

143. ## physical

how do i get a 45 year old inactive male who weighs 280lb and has a body comp of 55% lean mass and 45% fat mass.down to his goal! his goal is to alter his body comp to 80%-20% and lower his weight to 200lbs

144. ## Chemistry

How does the presence of sodium chloride and acidic substances increase the speed of rusting? Will alkaline substances increase the speed of rusting?

145. ## Social Studies

Which word should I use? (pick one from parenthesis) 1. The Husuni Kubwa was built (in/at) Kilwa (in/at) 1300. Please Help!! Thank You so much!

146. ## stat math

Stat hw question help me please? In a high profile murder case a sample of the general public's opinions concerning the guilt or innocence of the defendant is taken. A sample of n=100 males results in 62% of the respondents beliving that the defendant is

147. ## World Music Ideas

I'm having difficulty deciding a topic on which I can write a research paper on. It can be anything related to world music from any culture or practice, an event, etc. I just can't think of anything outside of North America and some suggestions would be

148. ## arithmetic

9+4*5-25/8-4/2+2

149. ## science

what is the particle diagram for burning magnesium ?

150. ## Finance for decision makers

In determining the future value of an annuity, the final payment is not compounded at all. a) True b) False

151. ## art appreciation

artistic style is developed by having an eye for lastest fashion trends

152. ## french year7

does anyone know what the word for outfit is in french .? thanks

153. ## physics

what are the draw backs of hugyen's wave theory of light?

154. ## Literature

is this correct: the message of the poem "Disillusionment at ten o'clock" is that our life and reality lack imagination

155. ## Algebra

input function output 9

156. ## french

what is the difference between "en" and "dans"? is "dans" used as a prepositional phrase like "dans mon sac a dos"?

157. ## QRB 501

What other data (trend or otherwise) would you like to have access to prior to making an investment in Gateway, Inc.?

158. ## Algebra

turn these factored equastions into expanded form: (n-1)(n^2-3n+4) (n^2+2)^2

159. ## algebra

use distributive property to factor each expression: 1. x^2+8x+16 2. d^2+8d+7 3.y^2+6y+8 4. b^2-2b-3 5. s^2-4s-5

160. ## china

how regions of china affect choices made for people

(2y-6)3

162. ## math

what is a non-unit rate?

163. ## QRB 501-Accounting

Gateway, Inc., did not declare or pay any dividends during fiscal 1999 or fiscal 1998. What do you suppose is the primary reason for this?

164. ## Accounting!

Do we have any accounting tutors here?

165. ## human services

Who should determine health and human services needs?

166. ## macbeth again

when is the quote where the witches say beware macduff...etc can you help?? thankyou

64% of 850=?

168. ## english

sentence using cardiologist