# Questions Asked onJune 17, 2011

1. ## math

What is 304 in expanded form

2. ## Chemistry

Please help me with the following question: Consider the following ion; XF2-2 What is the oxidation number assigned to element “X”? Show your work I'm having trouble writing the steps.

3. ## Chemistry

Little confusing!! I need help PLZ!!! Two half cells in a galvanic cell consist of one iron (Fe(s)) electrode in a solution of iron (II) sulphate (FeSO4(aq)) and a silver (Ag(s)) electrode in a silver nitrate solution. a. Assume the cell is operating as a

4. ## chemistry

what is the activity of water at 11bar and 298k

5. ## Marks

What shall this 5/90 lotto produce from the last two result. Winning -- Machine 21.20.73.78.18--89.62.83.30.37 68.4. 22. 5 .59--76.25.27.28.44

6. ## chemistry

How much energy must be put into a system to raise 100 g of solid water from 5.5 degrees Celsius to 75 Degrees Celsius? Heat Capacity of Ice: 2.09 J/g degrees C Heat Capacity of Water: 4.18 J/g degrees C Heat of Fusion: 6.01 kJ/mol

7. ## maths/Operating research

Solve the LP using graphical method Maximize p = 30x + 40y subject to x + y

8. ## math

An iceberg breaks off from the Antarctic continent and floats due north at constant velocity/ It's latitude south decreases by 1 degree in 8 days. Taking the circumference of the earth to be 40 000km, calculate the speed of iceberg in ms^-1.

9. ## chemistry

A bungee jumper is standing at the edge of a platform, just about to leap over the side. Midway through the jump, while the bungee jumper is halfway down to the ground, what is the relationship between potential and kinetic energy?

I Know Why the Caged Bird Sings ok i got the first too who wants to help with this please i love yall forever 3. What does Mrs. Flowers teach Marguerite about uneducated people? 4. What does Marguerite learn when she listens to Mrs. Flowers read A Tale of

11. ## Chemistry

Please help verify my answer. Not confident it is right: please verify my answer: Consider the following REDOX reaction: Zn(s) + Pb+2(aq) �� Zn+2(aq) + Pb(s) a. Write the oxidation and reduction half-cell reactions. Zn(s) + Pb+2(aq)

12. ## Chemistry

Please help verify my answer. Not confident it is right: please verify my answer: Consider the following REDOX reaction: Zn(s) + Pb+2(aq) �� Zn+2(aq) + Pb(s) a. Write the oxidation and reduction half-cell reactions. Zn(s) + Pb+2(aq)

13. ## math

Multiply in indicated base 100 2 X 101 2 ------------

14. ## math

x+y+3z=600 x+y+z=400 1. In the system of equations above, what is the value of x+y? 2. There are 25 trays on a table in the cafeteria. Each tray contains a cup only, a plate only, or both a cup and a plate. If 15 of the trays contain cups and 21 of the

15. ## chemistry

When dissolved in 1000 g of water, which chemical compound will produce a solution with the greatest freezing point depression?

16. ## Intermiediate Algebra

Factor completely. Remember to look first for a common factor. If a polynomial is prime, state this -4t^2 + 64

17. ## Intermediate Algebra

Factor completely. If a polynomial is prime, state this 9 + 8t^2 - 18t

18. ## PSYC

How can a leader balance a spiritual organizational culture without imposing spiritual values on employees?

19. ## Chemistry

Calculate the amount of energy required for the formation of one mole of MgSe bonds (not lattice energy). The radius of the magnesium ion is 0.65 A, and the radius of the selenide ion is 1.98 A. Note that 1 A=10^-10m.

20. ## Chemistry / Elements

if fluoride is considered toxic, then why do they put it in tooth paste and municipal drinking water supplies?

21. ## SPC

A consumer organization estimates that 34% of the households in a particular community have one television set, 39% have 2 sets and 18% have three or more sets. If two households are chosen at random, what is the probability that at least one has a

22. ## Amelia Douglas

I was reading through some information about Amelia Douglas since I'm doing a biography on her, and I came to know that she had saved her husband Jame's life. I tried to make sense out of what I was reading, but I could only gather information that I

23. ## statistics

at the 0.05 level of significance, is there a difference in the variance of the study time for male students and female students?

24. ## college algebra

A function is given. Determine the average rate of change of the function between the given values of the variable. f(t) = 6/t ; t = a, t = a + h

25. ## Chemistry

For each of the following pairs of elements, state whether the binary compound formed is likely to be ionic or covalent. Give the formula and name of the compound. (a) C, Cl Its covalent, but I get the formula wrong and name wrong,CCl Carbon Chloride.

Maya Angelou's - I Know Why the Caged Bird Sings is a poem I need help Please anyone 1. Why is Marguerite often embarrassed when Mrs. Flowers visits? 2. What is the relationship between Momma and Mrs. Flowers? 3. What does Mrs. Flowers teach Marguerite

27. ## exp in math

if a person earn 23,600 one year and get a 5% raise in salary what is the new salary?

28. ## Negotiations

Based on the following information below: Listed price of the house-\$329,000 Square feet-3600 Rooms -10 Bed rooms -4 finished basement- No Baths -2.5 garages -2 car garage time on the market -6 months miscellaneous-large wooded lot, pantry, all brick

29. ## chemistry

Use the reaction below to determine the volume of 0.123 M AgNO3(aq)that is needed to form 0.657 g of Ag2SO4 (s). 2AgNO3(aq) + H2SO4(aq) ¨ Ag2SO4 (s) + 2HNO3(l) 2AgNO3 + H2SO4-----Ag2SO4 + 2HNO3

"Something invisible, seeking shelter from the cruel and pitiless vacuum of space." Is an example of: a. metaphor b. personification c. symbolism d. hyperbole Your help is much appreciated !!

31. ## math

What's the force on a mans knees weighing 235 lbs falling from 8' landing on his feet on hard dirt be?

32. ## English

I forgot to include the following questions. I really hope you can have a look at them. I need you to improve question 2. Thank you. 1) Define the interior monologue providing an example of its use in the readings done in class. Explain then in what way it

33. ## English

Maya Angelou - I Know Why the Caged Bird Sings What Maya Angelou means by the title of her autobiography.? Please Help if you can

34. ## physics

Does the following represent a sample or a population? calories created while burning all of the coal taken from a rail car

35. ## math

22 percentage of what is 66

36. ## physics

A horizontal pipe of diameter 0.845 m has a smooth constriction to a section of diameter 0.507 m. The density of oil flowing in the pipe is 821 kg/m3 . If the pressure in the pipe is 8350 N/m2 and in the constricted section is 6262.5 N/m2 , what is the

37. ## physics

A small rectangular ferry boat is 3.33 m wide and 5.64 m long. When a loaded truck pulls onto it, the boat sinks an additional 3.25 cm into the river. What is the weight of the truck? The acceleration of gravity is 9.8 m/s2 . Answer in units of kN.

38. ## health

Why is it important to consider the components of the social ecology framework in community and public health?

39. ## Criminology

America is experiencing a major issue with immigration. What will future criminologists face in studies of crime control based on cultural diversity? How is cultural diversity affecting border patrol and local law enforcement?

40. ## college level math

on april 30,(day 0) there will ve 2500 lovebugs living in marion county. the number of lovebugs living in marion county will then increase at a rate of 9percent everyday since april 30. a)find the equation for the number of lovebugs living in marion county

41. ## math

Convert 10010000. To a numeral in base10 2

42. ## math

What is the Prime factorization of 198

43. ## math

Write 999 as a roman numeral

44. ## English

Can you hel me formulate the first sentence better? Thank you very much. 1) Define the interior monologue providing an example of its use from (is it wrong?) the readings done in class. Explain then in what way it differs from the stream of consciosness.

45. ## biology

in a dihybrid cross, the F2 will have nine genotypes, but only four phenotypes because the _, genes cause the _, traits to mask the _, traits

46. ## exp ofmath

13/14 + 2/9 reduce answer to lowest terms

47. ## math

Convert 367 to Egyptian form

48. ## westernncilvilization II

What do these readings tell you about Napoleon’s opinion of the Republic and the Enlightenment ideals which originally informed the course of the Revolution?

49. ## Trig

The graph of y = 7cosx + 24sinx would be a sinusoid if it were plotted. What would be the first positive value of x at which there is a high point?

50. ## NU

a ball is thrown straight upward with some unknow velocity. The ball reaches a maximum height above the launch point of 32m. how fast is the ball movin when it is 8 m above the launch point

51. ## math

13% of what number is 26

52. ## chemistry)):

OMG! I'M SO CONFUSED! Like okay, the question is to write the formulae for the two acids formed when Chlorine is dissolved in water and I like really can't find anything BUT hypochlorous acid but that's just ONE!)):

53. ## history

Two ways by which lok sabha can vote for council of ministers by prime minister out of power??

54. ## Math

A ball is thrown with an initial velocity of 10 m/s from a height of 2 meters. At what time does the ball hit the ground?

55. ## calculus

The equation y = x(1/2) + 6 equals the equation y = x(1/3) + 12 at what value of x

56. ## college chemistry

so i've never used this litmus paper stuff & i totally missed the lab but i still have to answer this question. ** Describe the observation obtained when a piece of litmus paper is immersed in the mixture of two acids? ** These two acids it's talking about

I need assistance in xbis/219 week 8 &9. Is there anyone who can help me?

58. ## math

if your ranked 59 out of 255 what is the percentage

59. ## German

I really need someone to check this short paragraph for me. I'm not a German native speaker and I need to prepare it for tomorrow's language exam. Thank you very much in advance. IT'S URGENT!! Wenn ich an meinen ersten Schultag denke, kann ich bestimmt

60. ## geometry

The midpoint of mc is G. If AT = 42 and AG = 2x – 5, what is x?

61. ## math

does the function f(q)=(q(1-q))^1/2 satisfy the hypothesis of the mean value theorem at the interval [-1,5]

62. ## English

Can you please check these two sentences, again? I had misspelt a noun in my previous post. 1) Define the interior monologue providing an example of its use from the readings done in class. Explain then in what way it differs from the stream of

63. ## Intermediate Algebra

Factor by grouping, if possible, and check 5x3 + 4x2 − 10x – 8

64. ## algebra

Find an equivalent expression with the given denominator 4/n=?/n 2power. The expression that is equivalent to 4/n is

65. ## music

11. Explain how music and culture influence one another. Provide an example of a song or album that affected culture. Provide examples of songs with cultural references?

66. ## earth science

how do we calculate or determine the distance to stars? what units do we use and what are the limitations (if any) of the method used for such calculations?

67. ## earth science

discuss stellar evolution(briefly describe each stage). what forces are opposing one another throughout the life of a star and how do they influence the various stages in the life cycle of a star?

68. ## English

Can you please check these statements? I'm not sure about the word choice. 1) Explore the theme of the double as it occurs in the works of the writers we studied in class. (I need to change "we studided in class") 2) Describe (I need a synonym) the kind of

69. ## college chemistry

why do halogens tend to form diatomic molecules?

70. ## Chemistry

Calculate the amount of energy required for the formation of one mole of MgSe bonds (not lattice energy). The radius of the magnesium ion is 0.65 A, and the radius of the selenide ion is 1.98 A. Note that 1 A=10^-10m.

71. ## Definition of Phrase

Could I know what this phrase means please? ...preferred the privacy of domestic life to the public spotlight.

72. ## algebra

at 5 p.m., a person 5 feet tall casts a 10-foot shadow. at the same time, a flagpole casts a 40-foot shadow?

73. ## Chemistry

Calculate the heat released when 64.5g of steam at 119 C is converted to water at 36 C. Assume the specific heat is 4.184 J/g*C for water, the specific heat of steam is 1.99J/g*C, and the heat of vaporization is 40.79 kJ/mol for water.

74. ## Math

rationalize the denominator 12 over 5 pie 90

75. ## Chemistry

Brass is an alloy that is approximately 67% Cu and 33% Zn, by mass. How many grams of Cu and Zn are in a brass doorknocker weighing 2.2 pounds?

76. ## math

traffic signs are regulated by the manual on uniform control devices. the perimeter of some traffic sign must be 128 inches. Also its length is 6 inches longer than its width. Fin the width and the length of the sign.

77. ## bio 1

What factors apart from acid rain could be killing trees?

A job application letter is different from a resume in that: a.it presents a job candidate's qualification. b.it uses short,parallel phrases and sentence fragments. c.it is adapted to a position rather than to the needs of a particular organization. d.it

79. ## persuasive essay

need help checking grammar errors please and how good is it? Credits cards have some positive value to them from being able to make big purchases, to making an everyday purchase. This reminds me of a quote said by John Mc Donald’s “Everything that has

80. ## geometry

A tricycle tire has a diameter of 24in.How many feet does the tricycle travel when the wheel makes twelve revolutions? round to the nearest hundreth

81. ## Chemistry

A neutral molecule is identified as a tetrafluoride, XF4, where X is an unknown atom. If the molecule has a dipole moment of 0.63 D, can you give some possibilities for the identity of X? (Select all that apply.) sulfur nitrogen oxygen polonium phosphorus

82. ## Chemistry

(a) A sample of cesium metal reacted completely with water, evolving 48.7 mL of dry H2 at 24°C and 774 mmHg. What is the equation for the reaction? Include states-of-matter under SATP conditions in your answer. Use the lowest possible coefficients. (b)

83. ## college algebra

A function is given. Determine the average rate of change of the function between the given values of the variable. f(x) = 6 âˆ’ x2; x = 1, x = 1 + h

84. ## chemistry

Using the equations and enthalpy values provided, which mathematical expression can be used to determine the unknown enthalpy change of the decomposition of propane? 3 C + 3 O2 3 CO2 H =-1182 kJ 4 H2 + 2 O2 4 H2O H = -1144 kJ C3H8 + 5 O2 3 CO2 + 4 H2O H =

85. ## chemistry(:

What are these elements listed from most reactive to least reactive? (: thanks bunches!! ((: Mg, Al, Ne, C, H, Cu, Fe, B

86. ## chemistry

How many grams of propane (C3H8) must be burned to release 3600kJ of energy? Standard Heat of combustion for Propane= -2220 kJ/Mole

87. ## software

what is software?types of software and examples

88. ## Algebra

what Is the unpaid balance of this loan at the end of the 10th year if you are buying the home for \$250,000 with a Interest rate of 6%?

89. ## Physics

A CAR HAS A MASS OF 1200KG TRAVELLING ON A LEVEL ROAD. THE CAR DECELERATED AT A RATE OF 10M/S^2 TILL THE CAR STOPPED. iT HAS TO OVERCOME A TOTAL RESISTANCE OF 400N WHILE BRAKING. (I) CALCULATE THE BRAKING FORCE OF THE CAR (II) WHAT WAS THE DRIVING OF CAR

90. ## HCR/240

Doing the final putting it all together. Having trouble when I enter the charges and payment transactions it is not showing the insurance information that the patient has. Any suggestions?

91. ## ashford unversity

1. Susan and Molly, employees in a busy call center, are chatting at lunch. Between bites of fried chicken, French fries, high calorie soda, and a tiny salad, Susan begins to complain to Molly that she can’t seem to lose weight and that she is tired all

92. ## hoke county

o A few minutes later, Susan tells Molly that she doesn’t like their coworker, Karishima, because she can’t understand half of what she says due to her accent. Molly agrees with Susan, and they both begin to laugh about Karishima’s clothing, and how

93. ## hoke county

o A few minutes later, Susan tells Molly that she doesn’t like their coworker, Karishima, because she can’t understand half of what she says due to her accent. Molly agrees with Susan, and they both begin to laugh about Karishima’s clothing, and how

94. ## maths

two numbers are in the ratio of2:3.If the sum of their sqares is 468,find the numbers

95. ## maths

two numbers are in the ratio of2:3.If the sum of their sqares is 468,find the numbers please answered me imediately

96. ## physics

A faucet leaks at the rate of four drops each second.If air resistance is neglected, determine the vertical separation between two consecutive drops after the lower one has fallen 20m

97. ## Operating research

Use simplex method to solve Maximize p = 30x + 20y+30z subject to x + y+z

98. ## operation research 1

Use simplex method to solve Maximize p = 30x + 20y+30z subject to x + y+z

99. ## physics

when a body which is displaced has not covered any distance

100. ## american govt

what two events changed the relatively peaceful relationship between the American colonies and Great Britain

101. ## Math

what percentage of 230 is 34.5

102. ## physics

please shelp me with this problem what is the stopping potential (V) if the wavelength of the incident light is 400 nm??

103. ## Chemistry

How can i prepare a solution of 12 g 50% (w/v) NaOH?