Questions Asked on
August 9, 2018

  1. Chemistry

    The pH of a solution prepared by mixing 55.0 mL of 0.183 M KOH and 10.0 mL of 0.145 M HC2H3O2 is ________. the answer is 13.122 however when i try to plug it into the Henderson Hasselbalch equation (pH= -log(1.8E-5)+log( 0.010065/0.00145) i am not getting

    asked by Lubna
  2. history

    How did Otto von Bismarck help to bring about German unification? He convinced the Austrian emperor to form a pan-German military alliance. He became a strong influence on the king and encouraged the buildup of the military. As minister president, he

    asked by James
  3. History

    Which most accurately describes a problem faced by the Russian army on the eastern front during World War I? a. Poor transportation networks left troops ill-equipped on the front lines b. Ottoman forces, Russia's ally, were ineffective against British

    asked by Cali
  4. math

    An instrument shows the number of revolutions per minute made by each tire of a car. In each revolution, the car travels a distance equal to the circumference of one of its tires. The circumference of each tire is equal to 2πr, where r is the radius of

    asked by harley
  5. English

    write an essay on Nigeria and I. for 100 to 200 words.

    asked by Ifeoma
  6. History

    Which identifies the event that established a Communist government in Russia in 1917? a. Soviet Rebellion b. Bolshevik Revolution c. Red Uprising d. Russian Civil War Is it A, the Soviet Rebellion?

    asked by Cali
  7. Math

    How do you write standard form for 300,000+4,000+700+40+5

    asked by Demetria
  8. Physics

    A progressive wave equation is given by y=a sin (200(pie)t -(pie)x/17)

    asked by James
  9. math

    Let F1 = (0,2), F2 = (0,-2), and P = (x,y). Use the distance formula to convert the equation PF1 + PF2 = 6 into Cartesian form. Simplify your answer until it reaches the form hx^2+ky^2=m. I tried solving this but I got stuck with all the square roots and

    asked by maath
  10. english

    Medication use Take one tablet every 4 to 6 hours. Not more than 3 tablets in 12 hours. Take tablet with 8 ounces of water. Check back with doctor if symptoms are not relieved in 2 days. 43. Using the medication label above, which of the following dosing

    asked by Christa
  11. Math

    Of the 28 students in a class 7 went on the field trip. What percent of the class went on the field trip

    asked by Tenee
  12. math

    Your current cell phone company charges $30 per month for unlimited texting. Another company charges $20 per month for the first 500 texts plus 5 cents each for any additional text. Should you keep your current current service or switch to the other?

    asked by Rachel
  13. life orientation

    define environmental harmful substances

    asked by happy
  14. psychology

    If a psychologist is having counseling sessions with workers, helping evaluate potential job candidates, and improving work environments, then that psychologist most likely works at __________. a mental health center a school an academic institution a

    asked by Bri
  15. Math

    In a circle whose center is O, arc AB contains 100°. Find the number of degrees in angle ABO.

    asked by Fiyi
  16. math, English, geography, chemistry, physics, economics, l

    the number 1 to 20 are written on pieces of paper and put in the box. if a piece of paper is picked at random, what is the probability of picking a paper with: an odd number, a prime number, a multiple of 3 and a square number

    asked by festus
  17. biology

    why left side of heart pumps blood harder then the right side?

    asked by JANET
  18. math

    Using the equation representing the height of the firework (h = -16t2 + v0t + h0), algebraically determine the extreme value of f(t) by completing the square and finding the vertex. Interpret what the value represents in this situation.

    asked by jess
  19. Science

    How can two people hold the same piece of paper at the same time without being able to touch each other and without tearing the paper?

    asked by Anonymous
  20. physics

    how much power does a 63kg athlete develops as he climbs a 5.2m rope in 3.5 second

    asked by bj
  21. maths

    if the altitude of the sun is 45 then the length of shadow of a h metre high tower standing on a plan will be

    asked by Shurti mishra
  22. Physics

    If train travelling 72kmph is to be brought to rest distance of 200m then its retardation should be

    asked by Anonymous
  23. math

    Find my average science test score is : 89,90,95,72,83,100,94

    asked by Mahad Aslam
  24. History

    Why is there secondary sources and what is the importance of secondary sources even though there's primary sources?

    asked by Liei
  25. Maths

    Decimal number of 343/125 without doing actual division

    asked by Priya
  26. geography

    in “At the tourist centre in boston” the speakers tone can best be identified as

    asked by Anonymous
  27. Math

    In the first act of a play all the actors were on stage. The second act opened with 1/2 the actors onstage and then 5 actors left. After that 1/2 the remaining actors left, and 4 actors remained on stage. How many actors were onstage in the first act?

    asked by Anonymous
  28. Math

    (-1)^1989 - (-1)^1988 = A. -2 B. -1 C. 0 D. 2 Is the correct answer A ?

    asked by Elizabeth
  29. Math

    If each edge of a cube is increased by 2 inches, the A. volume is increased by 8 cubic inches B. area of each face is increased by 4 square inches C. diagonal of each face is increased by 2 inches D. sum of the edges is increased by 24 inches is the answer

    asked by vivian
  30. Maths

    I want a full working of my first question

    asked by OGECHI
  31. geography

    450 words about state of the county

    asked by Amara
  32. math, English, geography, chemistry, physics, economics,

    the number 1 to 20 are written on pieces of paper and put in the box. if a piece of paper is picked at random, what is the probability of picking a paper with: an odd number, a prime number, a multiple of 3 and a square numbe

    asked by festus
  33. Chemistry

    Can you recommend an easily accessed site for chemistry topics for engineers. (Preferrably with topics of crystallization and inorganic chemistry)

    asked by Liei
  34. Math

    THE INPUT IS 25 AND THE OUTPUT IS 15 THE NEXT ONE IS INPUT 30 OUTPUT 18 WHAT IS THE OPERATIONS PLEASE HELP!

    asked by Angel
  35. MATH

    What percent of the volume of a 10×10×10 box can be filled with 4×4×4 wooden cubes? Express your answer as a decimal to the nearest tenth.

    asked by Kathy