Abdul

Most popular questions and responses by Abdul
  1. Chemistry

    If a 0.5-mL air bubble is present in the tip of a buret, what percent error in 10-mL, 20-mL, and 40-mL samples will be result if the air bubble is dislodged during the dispensing of the samples?

    asked on July 22, 2009
  2. Maths

    110 members of a sports club play atleast one of the games, football, basketball and volleyball. If 20 play football and basketball only, 15 play football and volleyball only, 26 play basketball and volleyball only, x play all the three games, 2x each play

    asked on October 24, 2014
  3. physics

    Four charges are placed at the four corners of a square of side 15 cm. The charges on the upper left and right corners are +3 μC and -6 μC respectively. The charges on the lower left and right corners are -2.4 μC and -9 μC respectively. The net

    asked on January 5, 2016
  4. Physics

    A spring oriented vertically is attached to a hard horizontal surface as in the figure below. The spring has a force constant of 1.64 kN/m. How much is the spring compressed when a object of mass m = 2.35 kg is placed on top of the spring and the system is

    asked on April 26, 2013
  5. Physics

    A force of 20N applied parallel to the surface of a horizontal table is just sufficient to make a block 4kg move on a table, calculate coefficient of friction between the block and the table.

    asked on July 30, 2017
  6. Business Math

    An investor has $ 500000 to spend. There investments are being considered, each having an expected annual interest rate. The interest rates are 15, 10 & 18 percent respectively. The investor`s goal is an average return of 15 percent in the three

    asked on November 11, 2016
  7. CHE103

    describe the hazards you should be aware of when you use 2.0 M HCl solution

    asked on April 13, 2011
  8. Physics

    What is the average braking force required of a 1200kg car in order for it to come to rest from 60km/h in a distance of 25m

    asked on September 1, 2014
  9. Math

    A 21% oil gas mixture is to be formed by mixing 80% and 20% oil_gas mixtures. If 35L are required l, how much of each should be used?

    asked on February 11, 2019
  10. Business Math

    An investor has $ 500000 to spend. There investments are being considered, each having an expected annual interest rate. The interest rates are 15, 10 & 18 percent respectively. The investor`s goal is an average return of 15 percent in the three

    asked on November 11, 2016
  11. english

    can someone help take out the fragments Most Americans take the humble hamburger for granted. In actuality, it has a long and interesting history. The burger originated in Russia during the Middle Ages. When a group of Mongolian Tartars shredded some raw

    asked on October 28, 2013
  12. Business Math

    An investor has $ 500000 to spend. There investments are being considered, each having an expected annual interest rate. The interest rates are 15, 10 & 18 percent respectively. The investor`s goal is an average return of 15 percent in the three

    asked on November 12, 2016
  13. physics

    A highway is being constructed to accommodate traffic for speeds of 22.8 m/s. If the angle of the bank is 6.28° and there is no friction force, what is the highway's curve radius?

    asked on October 24, 2016
  14. chemistry

    You weigh an empty dish and find its mass to be 48.0 grams. After you add a volume of salt water to the dish the mass of the dish and salt water is now 74.0 grams. After 100% of the water has been evaporated, the mass of the dish and the remaining salt is

    asked on September 5, 2014
  15. physics

    A barge is hauled along a straight-line section of canal by two horses harnessed to tow ropes and walking along the tow paths on either side of the canal. Each horse pulls with a force of 460 N at an angle of 17° with the centerline of the canal. What is

    asked on February 3, 2013
  16. physics

    A ballplayer standing at homeplate hits a baseball that is caught by another player at the same height above the ground from which it was hit. The ball is hit with an initial velocity of 23.0 m/s at an angle of 54.0° above the horizontal. How high will

    asked on February 3, 2013
  17. Math

    74%of315=

    asked on November 1, 2018
  18. Physics

    A 75 kg laboratory technician working with the radioactive isotope 137Cs receives an accidental 100 mrem exposure. 137Cs emits 0.66 MeV γ-ray photons. a) How many γ- ray photons are absorbed in the technician’s body? b) How many rad of alpha radiation

    asked on April 5, 2018
  19. Math

    Atop 50m tower, Jack sees smoke in two areas. One is on a bearing of 40degrees with an angle of depression of 8degrees, and the other on a bearing of 205degrees with and angle of depression of 13degrees. How far apart are the smoke sources? I'm not sure

    asked on January 24, 2015
  20. Physics

    A sound wave travels in air toward the surface of a freshwater lake and enters into the water. The frequency of the sound does not change when the sound enters the water. The wavelength of the sound is 3.52 m in the air, and the temperature of both the air

    asked on April 9, 2018
  21. Business Math

    An investor has $ 500000 to spend. There investments are being considered, each having an expected annual interest rate. The interest rates are 15, 10 & 18 percent respectively. The investor`s goal is an average return of 15 percent in the three

    asked on November 11, 2016
  22. english

    correct these paragraphs Most Americans take the humble hamburger for granted. In actuality, it has a long and interesting history. The burger originated in Russia during the Middle Ages. When a group of Mongolian Tartars shredded some raw meat scraps and

    asked on October 28, 2013
  23. Chemistry

    Vitamin K is involved in normal blood clotting. When 2.32 g of vitamin K is dissolved in 25.0 g of camphor, the freezing point of the solution is lowered by 7.78 °C. The freezing point and Kf constant for camphor can be found here. Calculate the molar

    asked on December 7, 2014
  24. chemistry

    calculate the density of a solid if a cube meassuring 2.04cm on one side has a mass of 124g ......................g/cm3 calculate the mass of a cube the same substance measuring 7.97cm on one side enter your answer in scientific notaation

    asked on September 7, 2014
  25. Physics

    What is the average braking force required of a 1200kg car in order for it to come to rest from 60km/h in a distance of 25m Physics - Damon, Monday, September 1, 2014 at 6:51am Vi = 60 km/h (1 h/3600 s)(1000 m/km) v = Vi + a t 0 = Vi + a t t = -Vi/a d = Vi

    asked on September 1, 2014
  26. Chemistry

    carry out the following conversions.Enter your answer in scientific notation a)232 amu to grams (b)135 amu to kilograms (c)3.03 amu A to meters (d)3.19 A to nanometers

    asked on September 7, 2014
  27. chemistry

    Given that PVnR=T, solve for n if P = 36.0, V = 8.6, R = 0.08, and T = 200

    asked on September 5, 2014
  28. Math

    Find how many terms has an a.p whose common diffrence and first term are respectively negetive 6 and 8 and the last term is 82.

    asked on March 22, 2011
  29. bio 106

    Imagine that you are plant hunter embarking on a safari that takes you to the far reaches of your neighborhood supermarkets. In the aisles of your grocery store, see how many plants and plant products you can find to answer the following questions. Look

    asked on August 5, 2013
  30. Physics

    An artillery gun on a battle ship is capable of launching a shell at a vertical velocity of 400 m/s. A target is 40 Km away and 500 m above the ground. what is the maximum range the target can be away from the gun if the target is 500 m above the ground?

    asked on February 23, 2016
  31. math

    If the average chicken lays 6 eggs in 7 days, how many chickens on average are needed to obtain 163 eggs per day?

    asked on September 5, 2014
  32. bio 106

    List foods that you find in the store from each plant part listed below: a. roots or underground stems b.leaves c.seeds or nuts d.. flowers or flower bud e.fruits f. aboveground stems

    asked on August 5, 2013
  33. bio 152

    Describe a series of small habitats that exist within 10 or 20 kilometers of your house and which might be subject to MacArthur and Wilson’s theory of island biogeography.

    asked on August 3, 2013
  34. Genral chemistry

    if you dissolve 1.60g of Cu(No3)2 in 100mL of water, calculate the molarity of the resulting solution ?

    asked on March 30, 2011
  35. Science

    A 55 kilogram person and a 65 kilogram person climb 8 meters up a flight of stairs in 10 seconds. Compare power used by each person

    asked on March 3, 2016
  36. bio152

    the logistic population growth model, rN[(K-N)/K], describes a population's growth when an upper limit to growth is assumed. As N approaches (numerically) the value of K, additions to the population

    asked on August 8, 2013
  37. Knowledge Management

    Tacit knowledge, Explicit knowledge, General knowledge and Specific Knowledge are different types of knowledge. Case (A) An industrial engineer who has specialized in rust preventing techniques wants to build a car that would be resistant to the affects of

    asked on May 4, 2010
  38. general knowledge

    antonym for coneal

    asked on February 22, 2008
  39. physics

    A tumor of 120 g absorbs a total of 1.7 J of energy. Determine the absorbed dose in rads. I have no idea, any help is greatly appreciated!

    asked on April 4, 2018
  40. history.geography.life sciences.maths

    What career can i study

    asked on May 7, 2015
  41. Engineering Math

    A Theme Park site is being designed. It will occupy a rectangular piece of land 800m by 600m. There are to be 4 particularly noisy rides. The ‘Drumbeat’ uses music which reaches a level of 95dB(A). The ‘Bigdrop’ generates screams which can reach

    asked on January 28, 2013
  42. business

    Quality Management Plan for followoing case: You are working for We Are Big, Inc., an international firm with over 100,000 employees located in several different countries. A strategic goal is to help improve the environment while increasing revenues and

    asked on June 23, 2012
  43. Maroeconomics

    Question 02: Consider an economy described by the following equations: Y=C+I+G Where, Y = 6,000, G = 2,000, T = 2,000 C = 300 + 0.50 (Y-T) I = 2,000 – 60r In this economy, compute: a. Private saving b. Public saving c. National saving d. The equilibrium

    asked on May 4, 2010
  44. Chemistry

    Ok so we had a mass determinations lab in chemistry. We were supposed to use both a triple beam balance scale and an electronic scale to precision. We first weigh our beaker on both scales (i did it on the electronic first), then record the weight. Then we

    asked on July 14, 2009
  45. Chemistry

    How many ml of HCl required to prepare 5% of HCl solution in 750ml water.if HCl is 36% pure and specific gravity is 1.18g/ml?

    asked on March 31, 2017
  46. Chemistry

    0.4 moles ofpcl3 and 0.3 moles of pcl3 added to access ofC2H5OH then maximum no of moles obtained

    asked on October 24, 2016
  47. bio 106

    Look for the ethnic section (e.g., Hispanic, Chinese, Italian, Jewish, etc) of the supermarket and list the cultures, the main foods and the plants they are made from. name the culture, the food or product and the plant used to make it. its a research

    asked on August 5, 2013
  48. Chemistry

    What is the chemical reaction between Phosphoric Acid and Disodium Phosphate?

    asked on August 23, 2011
  49. maths

    how many revolution will a wheel having 56cm diameter make to cover a distance of 11km?

    asked on February 13, 2011
  50. chemistry

    Briefly explain how the neutrons were discovered.

    asked on August 4, 2017
  51. computer

    code for a program to display a payroll in C++ to calculate the salary and bonus % show the name, age and rank.

    asked on February 3, 2015
  52. chemistry

    The average cooling rate of a cup of coffee is 24 °C per minute, and you can begin to sip the coffee when it is 60 °C. How long must you wait before you can begin to sip the coffee if the initial coffee temperature is 156 °C?

    asked on September 5, 2014
  53. chemistry

    Density (d) is mass (m) divided by volume (V) (d = mV). Mass is typically measured in grams (g), while volume is typically measured in milliliters (mL). How much volume will 550 g of a solution with a density of 1.10 g/mL occupy?

    asked on September 5, 2014
  54. Calculus I

    If y^3 + y^2 = 7x^2 + 224 and y(2) = 6 then y'(2)= [???]

    asked on October 15, 2013
  55. bio 106

    k list various types of ethnicities and their food or products and plants used to make them

    asked on August 5, 2013
  56. bio 106

    Imagine that you are plant hunter embarking on a safari that takes you to the far reaches of your neighborhood supermarkets. In the aisles of your grocery store, see how many plants and plant products you can find to answer the following questions. Look

    asked on August 5, 2013
  57. PDHPE

    Explain the improve of the components of fitness on power, speed, flexibility and strength.

    asked on May 31, 2008
  58. Albert Academy

    What was the significance of the alpha -particle scattering experiment?

    asked on August 4, 2017
  59. physic

    Sample 1, Original Length 250 mm and 10 mm Diameter, Length after testing 250.23 mm the force used for the test was 15KN Calculate the Stress and Strain for each of the Samples and from this and, assuming the material has remained within the elastic limit,

    asked on May 1, 2017
  60. Chemistry

    0.4 moles of pcl3 and 0.3 moles of pcl3 added to access ofC2H5OH then maximum no of moles obtained

    asked on October 24, 2016
  61. math

    An arithmetic series consists of five terms; the second term is 7 and the last term is 22. write out the full series.

    asked on January 8, 2015
  62. biology

    why meiosis is named as meiosis 1and2?

    asked on October 23, 2014
  63. chemistry

    Rearrange and solve the following equation for λ: hvλ=mv2

    asked on September 5, 2014
  64. physics

    police officer in a patrol car parked in a 70km/h zone observe a passing automobile travelling at a slow. constant speed. believing that of the automobile might be intoxicated the officer starts his car acceleration uniformly to 9km/h in 8s. and

    asked on October 17, 2013
  65. school of engineering

    A train of mass 200 tonne travelling at 140 km/h applies the brakes fiercely , so that the brakes lock and the wheels slides along the rails.it stops sliding 1000m. calculate. 1. The acceleration. 2. The longitudinal force on the rail. 3. The coefficient

    asked on October 16, 2013
  66. physics

    At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 9.1 m until, at t = 1.84 s, it is traveling east. The car does not alter its speed during the turn.

    asked on February 3, 2013
  67. business

    I need how to write Quality Management Plan

    asked on June 23, 2012
  68. Maths

    Simplify 5*+*

    asked on March 28, 2012
  69. math finance

    Consider the N-period binomial model and processes Y0,Y1,...YN and C0,C1,...CN. Suppose that Y is Markov and C is deterministic (i.e., Cn does not depend on the coin flips ù). a) Show: If Cn doesn't equal 0 for all n, then C0Y0,C1Y1,....,CNYN is Markov.

    asked on March 15, 2012
  70. ar ALABAT ACDEMY GOVERNMENT subject

    How does the legislature check the power of Executive organ of government in a persidential system

    asked on December 11, 2011
  71. South bank uni

    How many points of inflexion dose the function y= x^4 have

    asked on July 15, 2015
  72. Maths

    An arithmetic series consists of five terms; the second term is 7 and the last term is 22. write out the full series.

    asked on January 7, 2015
  73. math

    tam75/2

    asked on October 11, 2014
  74. math

    You have a box which contains only red marbles and blue marbles. The mass of one red marble is 16 grams, while the mass of one blue marble is 20 grams. If the box contains 21 red marbles and 18 blue marbles, what is the total mass of the marbles in the

    asked on September 5, 2014
  75. school of engineering

    A train of mass 200 tonne travelling at 140 km/hour applies the brakes fiercely, so that the brakes lock and the wheels slide along the rails. It stops after sliding 1000m. Calculate: (i) The acceleration, (ii) The longitudinal force on the rails, (iii)

    asked on October 16, 2013
  76. school of engineering

    a motor of mass 1500 kg accelerates from 50 km/h to 100 km/h in 10 seconds.calculate. (i)The acceleration in metre/second2. (ii)The distance travelled. (iii)The force on the vehicle.

    asked on October 15, 2013
  77. bio 106

    . Look for the ethnic section (e.g., Hispanic, Chinese, Italian, Jewish, etc) of the supermarket and list the cultures, the main foods and the plants they are made from:

    asked on August 5, 2013
  78. math

    The cylinder x2+y2=16 divides the sphere x2+y2+z2=100 into two regions I (for the region inside the cylinder), and O (for the region outside the cylinder). Find the ratio of the areas A(O)/A(I) .

    asked on April 6, 2012
  79. Islamic

    What is velt

    asked on October 22, 2011
  80. math

    Given that a - c = P, solve for P if a + b = 49 and b + c = 13

    asked on September 5, 2014
  81. phyiscs

    A car has an acceleration of 0.5g. calculate the time for the car to accelerate from 10m/s to 25m/s

    asked on October 15, 2013
  82. school of engineering

    A train of mass 200 tonne travelling at 140 km/h applies the brakes fiercely , so that the brakes lock and the wheels slides along the rails.it stops sliding 1000m. calculate. 1. The acceleration. 2. The longitudinal force on the rail. 3. The coefficient

    asked on October 15, 2013
  83. Engineering Math

    A Theme Park site is being designed. It will occupy a rectangular piece of land 800m by 600m. There are to be 4 particularly noisy rides. The ‘Drumbeat’ uses music which reaches a level of 95dB(A). The ‘Bigdrop’ generates screams which can reach

    asked on January 28, 2013
  1. geography

    Can someone describe the drainage pattern of the rivers of the balochistan. . .

    posted on July 17, 2019
  2. math

    You multiply 400 × 1/5 which gives you 80 you subtract 400-80 which gives you 320. You then multiply 320 × 1/8 which gives you 40 bad ones, you subtract 320- 40 and it gives you 280 good ones.

    posted on February 11, 2019
  3. Soical Stuides

    الله جيد

    posted on July 25, 2018
  4. debate

    ANSEW

    posted on July 4, 2018
  5. physics multiple choice MCQ 2- i need help please @all respective sir & bro

    All of the above

    posted on June 19, 2018
  6. Physics

    What do I use as the speed of water and air?

    posted on April 9, 2018
  7. math

    50-5=45. 45 divided by 7=6.3

    posted on November 13, 2017
  8. 7th grade math

    the diver reach a depth of 4 meters what is change in elevation of the diver?

    posted on September 13, 2017
  9. Right Hand Rule

    west, zero-deflection, up, and down

    posted on March 7, 2017
  10. Chemistry

    a 184.275 g

    posted on February 9, 2017
  11. algebra

    6byears;(7b+2y)years

    posted on November 4, 2016
  12. Chemistry

    I want answer

    posted on October 24, 2016
  13. math

    all of the dimensions are 8

    posted on June 7, 2016
  14. Math

    Ans 0.3673

    posted on May 15, 2016
  15. chemistry

    1305.41 26.78

    posted on March 21, 2016
  16. Math, geometry

    yes

    posted on December 8, 2015
  17. Math

    kma is corret

    posted on November 23, 2015