# Amy~

Most popular questions and responses by Amy~
1. ## Chemistry

What would be the steps to solving this problem? The aluminum sulfate hydrate [Al2(SO4)3 (times) xH2O] contains 8.20 % Al by mass. Calculate x, that is , the number of water molecules associated with each Al2(SO4)3 unit.

2. ## Chemistry

A mixture of methane (CH4) and ethane (C2H6) of mass 13.43g is completely burned in oxygen. If the total mass of CO2 and H2O produced is 64.84 g, calculate the fraction of CH4 in the mixture. CH4 + C2H6 arrow CO2 + H2O 13.43g 64.84g Would I do

3. ## Chemistry

The steps to getting the answer. A certain metal oxide has the formula MO where M denotes the metal. A 39.46g sample of the compound is strongly heated in an atmosphere of hydrogen to remove oxygen as water molecules. At the end, 31.70g of the metal is

4. ## Chemistry

Lysine, an essential amino acid in the human body, contains C,H,O, and N. In one experiment, the complete combustion of 2.175g of lysine gave 3.94g CO2 and 1.89g H2O. In a separate experiment, 1.873 g of lysine gave 0.436 g NH3. (a) Calculate the empirical

5. ## Chemistry Balancing

K3PO4(aq) + 3Sr(NO3)2 ==> Sr3(PO4)2 + K2(NO3) the reactant was given. I can't seem to balance this. whenever everything is even either the 3Sr(NO3)2 or K2(NO3) is not balanced. Also, the 3Sr in 3Sr(NO3)2 was already there.

6. ## Math

A real estate agent to sell a large apartment complex according to the following commission schedule: \$45,000 plus 25% of the selling price in excess of \$900,000. Assuming that the complex will sell at some price between \$900,000 and \$1,100,000, inclusive,

7. ## Math Word Problem

Cashews sell for \$4.00 per pound and peanuts for \$1.50 per pound. The peanuts didn't sell well, so in order to sell 60 lbs of peanuts the manager decided to mix 60 lbs of peanuts w/ cashews and sell the mixture for \$2.50 per pound. How many lbs cashews

8. ## US History

what is the difference between 1) municipal reformers (are municipal reformers socialists or Progressives?) 2) socialists 3) Progressives Aren't Progressives and socialists the same?They both want government invovlment. Also what is the difference between

9. ## Chemistry

How many liters of gasesous methane (CH4) must be burned in oxygen to produce enough H2O and CO2 to fill a 3.0 L balloon? Assume that H2O and CO2 are the only combustion products and that the temperature and pressure remain constant. How would I solve

10. ## Chemistry

In water conservation, chemists spread a thin film of certain inert material over the surface of water to cut down the rate of evaporation of water in reservoirs. Franklin found that 0.10 mL of oil could spread over the surface of water of about 49 m

11. ## Chemistry

The mass % of H in methane (CH4) is ? How would i solve this?

12. ## chemistry

For the equation: NH4NO3 ==> N2O + 2H2O how would I find how many grams of N2O are formed if 0.46mol NH4NO3? Would I start out with 0.46mol NH4NO3 * ( / )

13. ## Math Word Problem

2) After 2 years, Betsy finds she now will require \$7,000 per year. The remaining info is the same. How should the money be reinvested? Same info: 1) Betsy requires \$6000 per year in extra income. She has \$50,000 to invest and can invest in bonds paying

14. ## Math

The final exam will count as two tests. Brooke has test scores of 80, 83, 71,61 and 95. What score does Brooke need on the final in order to have an 80? I thought 80+83+71+61+95 = 390 / 5 = 78 then I don't know what to do next. Although I did do 78 +2x =

15. ## Chemistry

How to solve this: One isotope of a metallic element has mass # of 65 and 35 neutrons in nucleus. The cation derived from the isotope has 28 electrons. Write the symbol for this cation. Would the symbol be Cu? because Atomic # = protons = electrons and

16. ## English: Quotes

What if there's a quote inside a quote would I use this " ...'...'" and also what if I wanted to add something in my own words in between the quote would I end the quote then write my thought and then start a new quote OR would I use [...] in between the

17. ## US History II

For Alexander Hamilton v. Thomas Jefferson was the conflict about the Presidency, and Hamilton's and Jefferson's plans? Like Loose v. Strict Constitution?

18. ## Chemistry

How would I solve this: The atomic mass of 6/3Li and 7/3Li are 6.0151 amu and 7.0160 amu, respectively. Calculate the natural abundances of these 2 isotopes. The average atomic mass of Li is 6.941. All I know is how to get the atomic mass and not the

19. ## Chemistry

Record the amount of heat needed to change phases for water-ice to steam using graphical analysis. Is there a one accurate amount of heat needed to change phases, I thought it varied depending the problem... Would the question be asking for the heat needed

20. ## Math: Word Problem

A ball is thrown upward from the top of a building which is 96ft tall w/ Initial velocity of 80 ft per sec. Distance s(ft) of ball from the ground after t sec is s=96+80t-16t^(2) 1) how many sec. will the ball pass the top of the building when it is coming

21. ## Math

Going into the final exam which will count as two-thirds of the final grade, Mike has test scores of 86,80,84,and 90. What score does he need on the final to earn an average score of 80? Is this right: (86+80+84+90)/4 = 80 2/3x(85)= 80 or

22. ## US History

In the Watergate Scandal, I know that 5 men broke into the Democratic National Committee headquarters and Nixon did not want to give up the tapes that revealed that he wanted to cover up the break in... why? 1) Did Nixon put up the tape recording system in

23. ## Chemistry

Why is C2H4 not an alkane?

24. ## Math Check

the additive inverse of -2? 2 the multiplicative identity of -2? -2 write this in 4 different ways. How would I write it 4 different ways? Multiplicative inverse of x+2? Additive inverse of x^2 - 4x - 10

25. ## Chemistry

The average mass of a solid copper penny is 2.63 g . What is the mass of one mole of pennies? How would I solve this?

26. ## Chemistry Help!

The reaction is O3 + NO arrow O2 + NO2 If 0.740 g O3 reacts w/ 0.670g of NO, how many grams of NO2 will be produced? I've tried to solve this. but I can't seem to get the right answer

27. ## Debug=true

The source code that generated this unhandled exception can only be shown when compiled in debug mode. To enable this, please follow one of the below steps, then request the URL: 1. Add a "Debug=true" directive at the top of the file that generated the

28. ## Math

triangle PQR is translated 3 units ot the right and reflected over the line y=-1. The result is triangle P'Q'R'. Which is NOT true? 1) PQ = P'Q' 2)PQ/RQ = P'Q'/R'Q' 3)PQ + QR greater than or equal to R'P' 4)m angle P + m angle Q is greater than or equal to

29. ## Chemistry Check

Which one of the following substances is the product of this combination reaction? Al(s) + I2(s) => ______ For this it would be AlI3 ?

30. ## Geometry

How would I find the missing side of an obtuse triangle? Using the pythagorean theorem ?

31. ## English

What is a reflective essay? Could someone write down the outline of a reflective essay for 3 Paragraphs? Also, for the body paragraph do I talk about my personal experience? Is this all, or do I have to anyalysis it? If so, what are some general things

32. ## US History: Ms. Sue

"The Interstate Commerce Act of 1887, establishing the Interstate Commerce Commission (ICC) had been an early effort to regulate the industry; but over the years, the courts had sharply limited its influence." - wiki Would the Interstate Commerce Act be

33. ## US History I

What are the main events leading to the Spanish-American War? What are the result of the Spanish-American war? Could someone post a bulleted list and a website? When did this happen, year? Thanks

34. ## English

In the Minister's Black Veil by Nathaniel Hawthrone. What reasons does Hooper give for not wanting to remove his veil? I came up with one reason: that there is a Black Veil on everyone But what will the other reasons be? "Why do you tremble at me alone?"

35. ## Math

This is another application that I didn't understand A blimp, suspended in the air at a height of 500 ft, lies directly over a line from Soldier Field to the Planetarium on Lake Michigan. If the angle of depression from the blimp to the stadium is 32

36. ## Algebra Check

Solve the system 4x - 7y = 5 14y = 8x + 10 I got y = 10/-13 x = -5/52 but it doesn't seem right

37. ## Math

I tried to solve this but can't seem to find a procedure to solve this: To measure the height of Lincoln's caricature on Mt. Rushmore, two sightings 800 feet from the base of the mountain are of Lincoln's face is 32 degrees and the angle of elevation to

38. ## SAT

For the SAT online course, when I was going o buy it, they asked for shipping information, so I'm confused... are they going to send me a book on the online course where afterwards I can use the online course...?

39. ## Chemistry

HSO4 + HCO3 -> SO4 + H2CO3 How would I know which are Bronsted-Lowry acids?

40. ## Spanish

For this what am I supposed to do? Traduzca Vd. al espanol las expresiones en ingles. 1. Nosotros walked por las calles de la ciudad. Do I just change the english verb to spanish ? OR do I translate the whole sentence into english?

41. ## Math Word Problem

a new blend of coffee will cost \$3.90 per pound by mixing 2 coffees that sell for \$2.75 and \$5 per pound. what amounts of each coffee should be blended to obtain the desired mixture? (the total weight of the desired blend is 100 lbs) How would I solve

42. ## Math

there is \$175,000 to award. If the money is awarded to 4 students in a ratio of 1 to 2 to 3 to 4, how much will the largest award be? How would I solve this ?

43. ## Math

At 10 am on April 26, 1998, a building 300 feet high casts a shadow 50 feet long. What is the angle of elevation of the Sun

44. ## Math Word Problem

In an NFL football game, the Bears scored a total of 41 poionts, including one safety (2 points) and two field goals (3 points each). After scoring a touchdown (6 points), a team is given the chance to score 1 or 2 extra points. The Bears, in trying to

45. ## history.

another question for "government is not the solution to our problem, Government is the problem" would the significance of this quote in illuminating a theme in US history be: that people shouldn't rely on the government? Sorry, I might have two more

46. ## US History

"The Interstate Commerce Act of 1887, establishing the Interstate Commerce Commission (ICC) had been an early effort to regulate the industry; but over the years, the courts had sharply limited its influence." - wiki Would the Interstate Commerce Act of

47. ## Math

which mountains peaks can be seen from Oahu. Island Distance(Mi) Mountain Height(ft) Molokai - 40 - Kamakou - 4,961 A) Radius of earth= 3960 mi. Determine angle formed at the center of the earth. B) Determine length of the hypotenuse. Could someone go

48. ## English

For the Richard Cory poem: 1) What is the denotation of "crown" in this use? "sole to crown" -- Would it be that they thought him to be a king?

49. ## US History Help!

For the quote "remember the Maine" who said this? Was it the Americans? I can't find what the significance of the quote was in illumating a theme in history?

50. ## Math

In a game, the Bulls score a total of 103 points and made three times as many field goals (2 points each) as free throws (1 point each). They also made eleven 3 points. How many goals did they have? 103=3(2)+ 1 + 11(3) would this equation be right?

51. ## Math Geometry

there are 2 pentagons the small pentagon has a side that is 3cm while the side on the other larger pentagon is 8cm. the small pentagon has a side x cm while the same side on the larger pentagon is 5cm. would i set up a proportion 3/x = 8/5

52. ## Algebra

I have to find the equation for the line that passes through (4,3) and (6,2) How would I solve this. Into point slope form Into slope intercept form I got the slope each is -1/2 then I got y=-1/2x + b How would I get b?

53. ## Chemistry

Which of the gases most closely resembles an ideal gas at standard temperature and pressure? 1) CO2 2) NH3 3) HI 4) H2 5) H2O why would it be H2

54. ## Chemistry

If 17.0 g of sodium chloride are dissolved in water to make 0.5 L of solution, then what is the final concentration of the solution? Answer 0.6 mol L I don't get this. I know that 1 mol / 22.4 L

55. ## Newspaper

Can a bunch of Advertisements be on one page of a newspaper? What kind of advertisements were there in 1935? Also can an advertisements have a title: Used Cars then a picture of a car then price and call: .

56. ## English

What might be the tone of voice of someone who is afarid of society and stays home? This person is kind and caring.

57. ## Math Graphing

x^3 < 3x^2 would become x(x^2-3x) then how would I graph this?

58. ## Spanish

For the verb componer in the present tu form is Compone. But in the preterito it's compuso. Is the ending -puso because the verb as poner in it which is irregular? Also, would this be the case for all verbs that have endings that are irregular?

59. ## Chemistry: Compound

1) ZnSO4 would it be Zn(SO4) does the polyatomic ion always have to have ( ) ? 2) Is Ba(SO4) right? since Ba is 2+ and SO4 is 2- right? 3) In a net ionic equation for BaCI2 would it become Ba ^(2+) + 2CI or Ba ^(2+) + CI2 ?

60. ## Chemistry

There was this problem on a test that I took recently. But, I never learned how to solve this. The problem was: it gave the mass of a certain compound and stated that it had 92% carbon. then it asked for the theortical yield of Carbon.

61. ## Algebra (Last Question)

I have - to graph each relation - decide if it is a function - state the domain and the range. 1) {(2,3),(4,-3),(5,1),(-1,3)} how would I decide if something is a function in general? I kind of remember the domain and the range,but since I did this 2 years

62. ## Math: graphing check

for this x < 3 would I put a dot on 3 (on the y-axis) and it would be a dotted line just through 3 vertical. and which side would be shaded the right side where the x-axis is negatives.

63. ## Chemistry Last

Last question: An average person expends ~100 kj to walk 1km. How far will the average car travel by the time it expends the same amount of energy (i.e. 100 kJ) as a person who walked 1 km? Fuel consumption of average car= 8 km L^(-1) Heat of combustion of

64. ## Chemistry.

In which of these compounds is the oxidation state of CI the highest? a) HCIO2 e) HCIO4 Answer is e Is there a formula to solve this ?

65. ## US History

What is the laissez-faire economics? (related to Herbert Hoover)

66. ## US History II

In that tape, Nixon agrees that administration officials should approach Richard Helms, Director of the CIA, and Vernon A. Walters, Deputy Director, and ask them to request L. Patrick Gray, Acting Director of the FBI, to halt the Bureau's investigation

67. ## US History II

"WWII ends" Would this be considered a movement,trend, or activities in literature, science, art or economics...anyone of these?

68. ## US History II

Which one would be right...I don't really understand This is the question: What was the signifianceof the War Powers Resolution of 1973? 1) gives the Executive Branch the power to wage wars instead of leaving that power to Congress to declare it.

69. ## Chemistry

I don't get how the intermolecular forces (Hydrogen bonding) relates to the heating curve of water. I read some stuff on intermolecular force for Hydrogen bonding and it said that the force between water molecules raise the boiling point of water. So would

70. ## Chemistry

I don't understand this: For the temperature vs time graph for heat and changes of state. The graph starts at -2.1 degrees C The heat of fusion is at 2.0 degrees C The heat of vaporization is on 101.0 degrees C. The graph ends at 103.0 degrees C. So to get

71. ## English

I don't get what is ironic about this phrase from The Minister's Black Veil: "How strange that a simple black veil such as any woman might wear on her bonnet, should become such a terrible thing on Mr. Hooper's face" ? Is it because their all hiding behing

72. ## Math: Inequalities

How would I solve this inequality and graph? (x+2)((x^(2)-x+1)) > 0 I got x > -2 and x^(2)-x+1 > 0 How would I graph x^(2)-x+1 > 0 because I can't factor it.

73. ## History

Could someone explain what social, economic, and political issues are? Social- would be among the people? Economic- Political- issues that have to do w/ gov?

74. ## Algebra

(8w+5)/(10w-7) = (4w-3)/(5w+7) How would I solve this?

75. ## history WWI

the question asks me to explain why British blockade did or did not make Germany to continue submarine warfare. I thought it was "did" because it made Germany want to continue the warfare ? not sure

76. ## history WWI

I don't understand this question: US ships were kept out of North Sea (which had mines) put by Britian. Was Wilson being inconsistent? I don't understand, Is the question asking if Wilson was inconsistent about keeping US ships out of North Sea or

77. ## history

For the quote "Remember the Maine" I went on a lot of websites and most of the websites said that "remember the Maine" was said by Americans. I can't seem to find what the meaning of the quote was. Did people say it when they wanted to go to war with

78. ## US History II

Sorry another significance question... What was the significance of the Outbreak of WWI in Europe? Would it be that it caused countries in Europe to become invovled in the war

79. ## US History II

What would be one major turning point in US history for 1989? One website said it was: Dismantling of the Berlin Wall, the election of Solidarity in Poland, and the fall of the Eastern European economies signal the collapse of the Soviet Union But those

80. ## Newspaper 1935

What should I title the adverstiement section of the newspaper? It has to be titled... I was going to do Adverstiments but it sounded boring...

81. ## Math

tan 46.27 = x / (y+100) could someone change this to y = ? I tried it but got stuck after the first step of moving y+100 over to tan... steps too please

82. ## Documents

What does it mean by Enclosed Documents? documents that I am going to send or that are required

83. ## Spanish

If "te (verb)" is in the present tense how would I change this to the preterite tense ? Would I leave it as " te (verb)" and only change the verb to a preterite would this be the same for "lo (verb)"?

84. ## Re: Math

The only inequalities where I have to check the values between the points are polynomial and rational inequalities, right? And not any other type of inequalites By Checking I mean to know which way to shade on a graph Just making sure

85. ## Math

How to solve this (2x+5)/(x+1) > (x+1)/(x-1) and graph? I tried this and got (x+3)(x-2) and got -32 which isn't right the right answer is x

86. ## Math

% of Paupers Native: 51.6 Foreign: 39.3 % of Population Native: 74.5 Foreign: 13.4 How much higher was the proportion of paupers in the foreign? How to get the answer?

87. ## English

I'm confused about the meaning of this sentence: The typical family is three or four children; the latter among the 8 to 12 children that will be born into the family during the lives of the parents. So I get confused where it says "the latter" Does this

88. ## Spanish

How would I say: He is not tall or short? No, El es alto o bajo?

89. ## Math

I have to write < , >, or = for the ? sqrt 2 ? 1.41 sqrt 2 = 1.41421356237... Would it be sqrt 2 > 1.41

90. ## US History: Ms. Sue

For Booker T. Washington v W. E. B. DuBois, I don't get DuBois' method... did he want African Americans to gain rights right away?

91. ## Algebra

Which job would be better? One that has a salary where the mean and median are close OR one where the salary of the mean and median have huge gap (like mean 36,000 and median 20,000)

92. ## History

What is the relationship between Progressives and the Sherman Anti-Trust Act of 1890 ? Is it that the Sherman Anti-Trust Act was passed during the Progressive Era and the Progressives wanted it to be passed? Thanks

93. ## Question

There's this object I don't know what its called: It is made out of metal the metal is shaped into a circle (empty in the middle) with another metal pieced into a triangle (empty in the middle) that is attached to the circle with these two loops with

94. ## Math

Given info: arc length = 65 m formula for arc length: s=rĂ¸ s = 2pi r radius of circle: 2300 m so to find the angle would I put in 2pi(2300)= rounded to 14451 Then would I multiply: 65(360/14451) if that is right, why would I divide by 360 and multiply by

Inverse Trigonometric Functions please explain this to me in mathematical steps please how to solve sin^(-1) (-1/2) this equals - pi/6 i know that sin^(-1) domain and range switch from original sin but i don't know how to apply that... i need an

96. ## Spanish

For the stem-changing verbs in the present tense I wouldn't have to do anything to those verbs in the preterite tense except changing the endings?

97. ## English

I can't think of a word to describe the reaction from the townspeople? Their gossiping about the Rev... Suprised... I'm stuck -A Rev comes to town and the next day the whole town talks about the Rev

98. ## English: Puritans

The question is: Why could Winthrop's ideal not be achieved? The paragraph where I have to find the answer: Winthrop describes an ideal society, which, if the Puritans had been able to achieve it, would have been a reasonable facsimile of paradise on

99. ## Spanish

For this question: Hizo Vd. el trabajo para hoy? my answer: Si, hizo el trabajo para hoy. Is the answer written correctly? At first I thought hice but the question doesn't use hiciste so...