Questions Asked on
November 27, 2014

  1. chemistry

    For which of the reactions listed below will Gibbs free energy always be negative? A. An exothermic reaction that increases in entropy B. An endothermic reaction that decreases in entropy C. An endothermic reaction that increases in entropy D. An

    asked by Cortey
  2. chemistry

    3CuCl2 *2H2O + 2Al = 3Cu + 2AlCl3 + 6H2O Determine the number of grams that should have been produced when 1.25g of copper (2) chloride dehydrate reacts with excess aluminum so i'm not really sure how you're supposed to calculate the number of grams with

    asked by julie
  3. math

    Five three digit numbers including N were to be added. While adding, the reverse of N was added by mistake instead of N. Hence the summ increased by 11 times the summ of the digits of N.Eight times the difference of N's units and hundreds digit is 6 more

    asked by Suzanne
  4. math

    The 3rd term of a geometric progression is nine times the first term.if the second term is one-twenty fourth the 5th term.find the 4th term. solution ar^2=9a r=sqr of 9 r=3.pls help me on how to get the first term(a)

    asked by james
  5. Physics

    determine the submerged depth of a cube of steel 0.3m on each side floating in mercury given the specific gravities of steel and mercury as 7.8 and 13.6 respectively.

    asked by Peter
  6. physics

    A hot air balloon is traveling vertically upward at a constant speed of 2.7 m/s. When it is 11 m above the ground, a package is released from the balloon. After it is released, for how long is the package in the air? The acceleration of gravity is 9.8 m/s

    asked by jason
  7. math

    a lady has only 20 paisa coins and 25 paisa coins in her purse if she has 50 coins in totalling rupees 11.50 how many coins of each kind does she have

    asked by asjad
  8. math

    Water lillies double in area every 24 hour. In spring there is one water lily on a lake. In sixty days, the lake is completely covered with lillies. how many days did it take to cover half the lake

    asked by aneesh
  9. physics

    In Mostar, Bosnia, the ultimate test of a young man’s courage once was to jump off a 400-year-old bridge (now destroyed) into the River Neretva 24 m below the bridge. How long did the jump last? The acceleration of gravity is 9.8 m/s 2 . Answer in units

    asked by jason
  10. Algebra 2 honor

    a souvenir shop sells about 300 coffee mugs per month for $7.50 each. the shop owner estimates that for each $0.75 increase in the price, he will sell about 15 fewer coffee mugs per month. a. how much should the owner change for each mug in order to

    asked by Michena
  11. Math

    The sides of the equilateral are given in cm. 3x 2,2y-x,y 3. Find x and y and the perimeter of the triangle

    asked by Isaiah
  12. history 911

    1. Which accurately describes the action taken by colonists in response to Parliament’s passage of the Intolerable Acts? A. They held the First Continental Congress. *** B. They formed an emergency government and elected a president. C. They created a

    asked by HELP MEEEEE
  13. algebra

    A fuel storage tank has one supply pump and two identical outlet pumps. With one outlet pump running, the supply pump can increase the fuel level in the storage tank by 8450 gallons in 30 minutes. With both outlet pumps running, the supply pump can

    asked by lala
  14. Chemistry

    compose the micelle 2 agno3 + bacl2 - 2Agcl + ba (no3) 2

    asked by Anonymous
  15. business statistics

    10.55 Consider an experiment with four groups, with eight values in each. For the ANOVA summary table below, fill in all the missing results: Source Degrees of Freedom Sum of Squares Mean Square (Variance) F Among groups c - 1 = ? SSA = ? MSA = 80 FSTAT =

    asked by bill
  16. algebra

    A motorboat traveling a distance of 225 miles in 5 hours while traveling with the current. Against the current, the same trip took 9 hours. Find the rate of the boat in calm water and the rate of the current. rate of boat___ mph rate of current___ mph

    asked by lala
  17. Math

    In triangle ABC, the measure of C is twice the measure of A, and the measure of B is 6 times the measure of A. Find the measure of each angle

    asked by Jasmine
  18. math

    The third term of a geometric progressiom is nine times the first term.if the second term is one-twenty fourth the fifth term.find the fourth term.ar^2=9a. r=sqr of 9 r=3.pls teach me how to get the first term and i can get the 4th term myself

    asked by james
  19. algebra

    A goldsmith has two gold alloys. The first alloy is 30% gold; the second alloy is 80% gold. How many grams of each should be mixed to produce 10 grams of an alloy that is 40% gold? amount of 30% gold ___ g amount of 80% gold ___ g

    asked by Jer
  20. algebra

    A marketing company asked 100 people whether they liked a new skin cream and lip balm. The company found that 80% of the people who liked the new skin cream also liked the new lip balm, and that 50% of the people who did not like the new skin cream liked

    asked by Jer
  21. SCIENCE

    We did a radioactive decay and half life lab with m&ms and I do not understand these conclusion questions: 1. how many half lives would it take for 500 nuclei to decay to 6.25% of the original number of nuclei? My ans: 3125?- do not think that's right! 2.

    asked by Bethany
  22. Maths

    On a farm, the ratio of cattle to sheep is 3 : 5. There are 24 more sheep than catle. How many sheep are on the farm?

    asked by cathe
  23. MATH 100

    The illumination of an object by a light source is directly proportional to the strength of the source and inversely proportional to the square of the distance from the source. If two light sources, one 10 times as strong as the other, are placed 9 ft

    asked by J
  24. physics

    A hot air balloon is traveling vertically upward at a constant speed of 2.7 m/s. When it is 11 m above the ground, a package is released from the balloon. After it is released, for how long is the package in the air? The acceleration of gravity is 9.8 m/s

    asked by Anonymous
  25. math

    i am a 3digit number that is less than 500. My ones digit is twice the hundreds digit. The sum of the three digits is 14. What number am I?

    asked by ibrahim
  26. IT

    The No Interest Credit Company provides zero-interest loans to customers. Design an application that gets customer account data, including an account number, customer name, and balance due. Output the account number and name, then output the customer's

    asked by Michelle
  27. Chemistry

    At temperatures above 0°C, what is the sign of the change in free energy for the conversion of liquid water to ice? A. Positive B. Zero C. Negative D. Not known

    asked by Cortey
  28. chemistry

    A sample of gas in a balloon has an initial temperature of 9.0∘C and a volume of 1.75×103L . If the temperature changes to 80.∘C , and there is no change of pressure or amount of gas, what is the new volume, V2, of the gas?

    asked by joy
  29. chemistry

    can you please give me one practical application of analytical chemistry in being a medical technologist? i know it will determine the separation event happening on the lab test... but is that already a practical application? or i have to cite a deeper

    asked by Shi
  30. English

    He live to be 100 years old. He lived until 100 years. He lived until 100 years old

    asked by rfvv
  31. maths

    On a farm, the ratio of cattle to sheep is 3 : 5. There are 24 more cattle. How many sheep are on the farm?

    asked by cathe
  32. mathematics of investment

    Mark Lopez went to his bank to find out how long it will take for P10,000 to amount to P10,700 at 12% simple interest. Express answers in days.

    asked by joan
  33. English

    1. You can't buy alcohol until you are twenty years old. 2. You can't buy drinks until you are twenty years old. 3. You can't buy wine until you are twenty years old. 4. You can't buy beeer until you are twenty years old. --------------------------- Are

    asked by rfvv
  34. Chemistry

    I don't know how to do this question, or even start it. Please Help. 2 kg copper kettle (specific heat capacity 0.385j/gC) has .0500 kg of water at 20C. How much heat is needed to raise the temperature of the kettle and content to 80C?

    asked by Sandy
  35. chemistry

    At temperatures above 0°C, what is the sign of the change in free energy for the conversion of liquid water to ice? A. Positive B. Zero C. Negative D. Not known

    asked by Daniel
  36. physics

    When a 1.3kg mass was attached to a spring, the spring stretched 21cm from its equilibrium position. The mass spring system was then set into oscillatory motion by providing the mass with an initial velocity. Its oscillatory motion is then described by the

    asked by Hannah
  37. Math

    The two equal sides of an isosceles triangle are each 24 centimeters. If each of the two equal angles measures 60, find the length of the base and the altitude. (leave your answer in radical form).

    asked by anonymous
  38. Algebra

    Write a system of equations to model the problem and solve the system: Benjamin has nickels and dimes and his toy bank he has a total of 45 coins the total value of $3.60. How many coins of each kind does he have?

    asked by Brianna
  39. english

    can you please tell me if this is a sentence or fragment: The plan to have a class reunion. I think it's a sentence but idk because i can continue it by adding "is cancelled" in the end. How to know if it's already a sentence? of it's still a fragment?

    asked by HELP PLEASE
  40. Physics

    i throw a banana vertically up into the air at an intial speed of 10m/s it accelerates down at 10m/s/s calculate the maximum height of the banana? I know you have to use suvat equations In this question but I don't understand how you get enough values in

    asked by Eve
  41. English

    1. I can't put off that noise. 2. I can't tolerate that noise. 3. I can't endure that noise. 4. I can't stand that noise. 5. I can't be patient with that noise. 6. I can't bear that noise. ----------------- Are they all right?

    asked by rfvv
  42. Algebra

    Write a system of equations to model the problem and solve the system: The sum of two numbers is 156. What number is 28 more than the second number. What are the numbers?

    asked by Brianna
  43. essay excerpt edit

    Can someone edit this? I already edited it but it would still be helpful to get feedback. Although Benjamin does not explicitly define creativity in his article "The Work of Art in Mechanical Reproduction" he does make mention of "mechanical reproduction,"

    asked by christine
  44. 8th grade math question..

    Lashonda found a recipe that makes 2 1/2 dozen cupcakes and requires 1/4 cup of vegetable oil. If she makes 90 cupcakes for a family reunion picnic, how much vegetable oil will she need?

    asked by DerpyPegasus33
  45. health

    Alcohol abuse ________ the immune system, which helps protect the body from infections.

    asked by shandrekia
  46. Pre-Calc.

    The two equal sides of an isosceles triangle are each 24 centimeters. If each of the two equal angles measures 60, find the length of the base and the altitude. (leave your answer in radical form).

    asked by anonymous
  47. Preamble to the Constitution

    I am currently doing an assignment about the preamble to the US Constitution. Question: What examples can you provide in the present that shows the US Government is still fulfilling this purpose today? Give two. I have completed 5 out of the 6th purposes.

    asked by Kit
  48. university of Abuja

    Discribe the factor that shape foreign policy between 2007 and 2013

    asked by edith Erhunmwunse
  49. Mathematics

    Wade works at the candy shop. He wrapped 56 prices of fudge to sell. How may total pounds of fudge did he wrap if each piece weighed 1 ounce

    asked by Joshie
  50. english

    "Why I refused." is a sentence while "How to make both ends meet." is a fragment. I can turn it into I am learning how to make both ends meet. Is this correct?

    asked by help
  51. English

    1. He has taken piano lessons for five years. 2. He has been taking piano lessons for five years. 3. He has worked for three hours on the farm. 4. He has been working for three hours on the farm. ------------------ Are they all grammatical? Which ones are

    asked by rfvv
  52. Classical history

    Plato's portrayal of Socrates seem to be a contradiction. In 'Apology' he questions people's wisdom while in Crito he seems like a loyal citizen who is going to accept what the state has decreed. If the act of persuading the state is the only alternative

    asked by Rach
  53. physics, how to find the height

    a ball is launched at an angle to the ground with an initial speed of 65m/s. at it's maximum height it has a speed of 26m/s. determine it's maximum height.

    asked by Isabelle
  54. english

    "Why I refused." at first i think it's a fragment.. but i'm confused because it has a subject "I" and a verb "refused".. So what's the correct answer?

    asked by HELP PLEASE
  55. english

    "How to make both ends meet." i think it's a sentence too?

    asked by HELP PLEASE
  56. english

    this sentence has faulty parallelism and i need to correct it. "Jessa is tall, slender, and has brown hair." I think it's Jessa is tall, slender with brown hair. OR Jessa is tall and slender. She has a brown hair. What do you think? please help thank you!!

    asked by HELP PLEASE
  57. Maths

    How many integer solutions of x1 + x2 + … x6 = 20 satisfies 1 ≤ xi ≤ 9? (use inclusion exclusion principle)

    asked by Anonymous
  58. eng

    what exactly does destiny mean and please don't tell me to google it because everytime i to, i keep getting confused. and also do u believe that destiny plays a role in our lives or no? and why?

    asked by rob
  59. chemistry

    If the ΔH for H2O(l) → H2O(s) is -6.01 kJ, then what is the ΔH for 2H2O(s) → 2H2O(l)? A. -12.02 kJ B. 6.01 kJ C. -6.01 kJ D. 12.02 kJ I think d is the answer

    asked by Cortey
  60. algebra

    Solve system of equations to model the problem then solve: The length of a rectangle is 7 inches more than the width. The perimeter is 34 inches. Find the length and the width of the rectangle.

    asked by Brianna
  61. math

    find twonumbers such that the sum of twice the first and thric the second is 92 and four times the exceeds seven times the second by 2

    asked by rahul
  62. math

    A mass on the end of a spring which is hanging vertically is raised up and let go. It then oscillates between 2m and 1.5m above the floor and completes 32 cycles in one minute. The height, h metres, of the mass above the floor after t seconds can be

    asked by Ed
  63. Math

    if the lenght and breath of a rectangle are in the ratio 3:2,then what is the breath if the lenght is 1.5m

    asked by Adarsh
  64. algebra 2

    16x^2=56x

    asked by anonymous
  65. Equations

    Please I want this equations The result K3 P4+S=. ? Where I receive the answer ?

    asked by Safaelhomosany
  66. english

    Down the road across the fields. i think this is a fragment?

    asked by HELP PLEASE
  67. english

    "Whatever is decided here." i think it's a sentence because it has a subject and a verb?

    asked by HELP PLEASE
  68. english

    "Once you reach your destination." i think it's a fragment??

    asked by HELP PLEASE
  69. math

    If both numerator and denominator of a fraction are increased by one, the fraction formed is 2/3. if both numerator and denominator are decreased by two, the fraction formed is 3/5. what is the fraction formed, if both numerator and denominator are

    asked by jenny
  70. English

    Hey, can someone help me out how to use punctuation in this sentence please. 'I was aware that the medicaments and therapeutics are a heavy subject and I remembered how overloading this topic seemed to me when I was in first year myself hence I was eager

    asked by Viola
  71. Integumentary System

    What are the functions of the: Apocrine Gland Hair Follicle Wall Hair Papilla Hair Shaft Krausse Sensory Receptor Meissner Sensory Receptor Pacinian Sensory Receptor I know that the hair papilla is located in the hair bulb, which produces the har, but I

    asked by Salli
  72. physics

    what is vector

    asked by misga hulk
  73. english

    use the following idoms and phrases in sentance their meanings in best way : break the news , bone of contention , fair and square

    asked by raju
  74. maths

    Divide 100 in the ratio 1/2 : 3/4

    asked by cathe
  75. Math

    write the partial fraction decomposition step by step (-5x^2-8x-3)/(x^3+x^2+x)

    asked by Jane
  76. ENGLISH

    The road leading to the Mall of Asia. Is this a fragment or sentence?

    asked by Nicee
  77. Drama/English

    How does tableaus help you in the future?

    asked by Thi.