KABELO

Most popular questions and responses by KABELO
  1. life orientation

    Explain clearly how intrapersonal conflict can be addressed through engaging in physical exercises,counsellingand self talk

    asked on March 8, 2015
  2. phys101

    in a calorimeter can(water equivalent=40g)are 200g of water and 50g of ice,all at 0 degreea celcius.into these poured 30g of water at 90degrees celcuis.what will be the final temperature of the system?specific capacity of water is 4186j/kg per degrees

    asked on April 29, 2010
  3. PHYS 101

    Determine the volume of 200g of carbon tetrachloride,for wich specific gravity is 1.6

    asked on April 19, 2010
  4. phys102

    a copper wire has a diameter of 1.02mm,the wire carries a constant current of 1.67A,the density of the free electrons is 8.5X10^28 e/m^3.calculate the current density and drift velocity

    asked on August 14, 2010
  5. chem101

    if 23.74ml of 0.01470M NaOH are required to completely neutralize 25.00ml of gastric juice,calculate the concentration of the hydrochloric acid[in g/L]in stomach gastric juice

    asked on April 11, 2010
  6. maditsi

    How did the fraud and corruption affected the offender' career?

    asked on May 17, 2016
  7. Life Orientation

    Six suggestions on how to combat the violations of human rights.

    asked on April 1, 2016
  8. life orientation

    define and desrcibe the human right violation that you have chosen between [human trafficking and xenophobia].

    asked on April 13, 2019
  9. life onrietation

    Any legislation that fights against poor service delivery?

    asked on April 17, 2017
  10. chemistry

    Phosphoric acid is a triprotic acid with pKa's of 2.14, 6.86, and 12.4.The ionic form that predominates at pH 3.2 is?choose the corect answer (a) H3PO4 (b) H2PO4^- (c) HPO4^2- (d) PO4^3-

    asked on February 15, 2011
  11. physics

    find the ratio of the intensities of two sounds if one is 8 dB louder than the other

    asked on October 19, 2010
  12. statistics

    How large a sample should be taken if the population mean is to be estimated with 99% confidence to within $75? The population has a standard deviation of $900.

    asked on April 15, 2018
  13. chemistry

    what is the [CH3COO^-]/[CH3COOH] ration in an acetate buffer (Ka=1.76 x 10^-5) at pH 3.8? show calculations

    asked on February 15, 2011
  14. chemistry

    why is the 5th ionisation energy(IE) of carbon so much larger than its 4th?

    asked on September 18, 2010
  15. chem102

    assuming that 1g of aspirin dissolves in 450ml of water at 10°C,how much aspirin would be lost in the 5ml of water added to the reaction mixture if the mixture were at 10°C,durin filtration?

    asked on August 16, 2010
  16. Life orientation

    Identify one evironmental or human factor that causes ill health, accidents and disasters in south africa? *in 10-15 lines critically discuss 5 ways in which the human or environmental problem impacts in south africa.

    asked on May 4, 2011
  17. chemistry

    assuming that 1g of aspirin dissolves in 450ml of water at 10°C,how much aspirin would be lost in the 5ml of water added to the reaction mixture if the mixture were at 10°C during filtration?

    asked on August 16, 2010
  18. physics

    two cars are heading at each other with the same speed v. The horn of one (f=3000Hz) is blowing,and is heard to have a frequency of 3400Hz by the people in the other car.Find v if the speed of sound is 344m/s

    asked on October 19, 2010
  19. chemistry

    the major commercial aluminium ore is bauxite,AlO3.H2O(s).What is its molar mass?The analysis of a representive sample of bauxite shows it contains 70% by mass of Al2O3..What is the maximum mass of aluminium metal that could be obtained from 200kg of

    asked on September 5, 2010
  20. chemistry

    describe an alternative method to prepare a 0.2M potassium phosphate buffer using KH2PO4 and KOH

    asked on February 27, 2011
  21. ohys101(heat)

    a person had a skin temperature of 33degrees celcuis and was in a room where the walls were at 20degrees celcuis.if the emissivity is 1 and the body surface is 1.5meter squad,what is the rate of heat loss due to radiation? alpha=0.000000567W/meter squad k

    asked on April 29, 2010
  22. Career guidance

    Which career fall under the subjects?

    asked on October 21, 2018
  23. Maths literacy,geography, life science, agricultur

    Which career should I follow after grade 12

    asked on July 11, 2018
  24. Physical science

    The bullet strikes a stationary of 5kg wooden block fixed to a flat,horizontal table.the bulletis brought to the rest after travelling a distance of 0,4m into the block.calculate the magnitude of the average force exerted by the block on the bullet

    asked on April 25, 2016
  25. PHYS101

    For a system,the cylinder on the left,at L,has a mass of 600kg and a cross-sectional area of 800centi meter squad.The piston on the right,at S,has cross-sectional area 25centi meter squad abd negligible weight.If the apparatus is filled with

    asked on April 19, 2010
  26. maths literacy, history, grography, life science

    What are careers of general geography?

    asked on January 16, 2016
  27. chem102

    the following names are incorrect,draw their structures and supply the correct name.(a)2-isopropylpentane (b)3-ethyl-5-methylhexane

    asked on July 24, 2010
  28. phys101

    a hydraulic press contains oil of density=800kg/meter cube,and the areas of the large cylinder=0.5meter squad and area of small cylinder=0.0001meter squad.the mass of the large piston is 51kg,while the small piston has unknown mass m.If an additonal mass

    asked on April 19, 2010
  29. chemistry

    a weak acid has a pKa of 6.0. what is the ratio of conjugate acid to conjugate base at pH 5?

    asked on March 9, 2011
  30. chemistry

    calculate pH of 0.1M CH3COOH of 100ml of that solution?

    asked on February 13, 2011
  31. chemistry

    for an oxygen atom,wich requires more energy,tha addition of two electron or the removal of one electron?explain why

    asked on September 18, 2010
  32. physics

    consider a simple harmonic oscillation with m=0.5kg, k=10N/m and amplitude A=3cm.WHat is the total energy of the oscillation,what is the maximum speed,what is the kinetic energy?

    asked on September 17, 2010
  33. phys101

    a homeowner wishes to drain her swimming pool by siphoning the water,whose depth is h,into a nearby gully a distance H below it,where H is much larger than h.She uses a pipe of cross-sectional areea a,and the pool has surface area A.How long does it take

    asked on April 19, 2010
  34. life orientation

    3human right violation or discrimination and explain in an introductory paragraph why you choose the specific human right violation or discrimination

    asked on May 12, 2016
  35. biochemistry

    for each of these qualitative test,barfoed test,benedict test,seliwanoff test,bial test,molisch test,and iodine test, describe the class and give aspecific example of a carbohydrate that would yield a posiyive result?

    asked on April 8, 2011
  36. inorganic chermistry

    a large number of hydrogen atoms have electrons excited to the n_h=4 state.How many possible spectral lines can appear in the emission spectrum as a results of the electron reaching the ground state(n_1=1)?

    asked on August 30, 2010
  37. randhills college life orientation

    3 environmental health hazard that cause ill health, crises, and or disasters within your community or any other community within south Africa and globally?

    asked on February 19, 2013
  38. engineering science

    If a person has a mass of 83 kg, what will that person weigh in newton

    asked on January 31, 2012
  39. chemistry

    If a solution were made by mixing equal volume of 0.1M acetic acid(HA) and 0.1M Na-acetate(A^-) what pH would it gives?

    asked on February 20, 2011
  40. inorganic chemistry

    what dominant colour appears for(a)the mecury street bulb (b)the sodium street lamp and (c) an incandescent bulb?

    asked on August 30, 2010
  41. English

    Traditional African marriage is an advantage to men only not women

    asked on February 7, 2016
  42. life orention

    identify two contenporary social issues in your community

    asked on August 27, 2014
  43. engineering science

    A 250 cc motorbike must accelerate from rest to 126 km/h in 150 m in 10 seconds. Draw a velocity/time graph of the movement. (Hint: change km/h to m/s

    asked on January 31, 2012
  44. chemistry

    these is 0.1M HCl of 100ml of that solution in a beaker,calculate pH?

    asked on February 12, 2011
  45. physics

    two notes wich have frequency ratio 2:1 are said to be separated by an octave.A frequency wich is separated by an octave from middle C(256Hz) is?

    asked on September 20, 2010
  46. chemistry

    for an oxygen atom,wich requeres more energy,the addition of two electrons or the removal of one electron?explain why

    asked on September 19, 2010
  47. chemistry

    why is the ionisation energy of oxgen less than that of nitrogen even if oxygen is to the right hand side of nitrogen?

    asked on September 18, 2010
  48. chemistry

    write equations for the reactions of NaOH(aq) with solutions containing Al^3+ Cu^2+(aq),Pb^2+(aq) and Fe^3+(aq) ions respectively

    asked on September 5, 2010
  49. PHYS101

    A VENTURI TUBE IS USED TO MEASURE THE WATER SPEED V IN A PIPE BY COMPARING THE WATER PRESSURE IN THE WIDE AND NARROW SECTIONS(CROSS-SECTIONAL AREAS A, A=A/4).FIND V IF THE DIFFERENCE IN MECURY LEVEL IS h=25mm.(THE DENSITY OF MERCURY IS =13600Kg/meter cube)

    asked on April 19, 2010
  50. PHYS101

    A VENTURI TUBE IS USED TO MEASURE THE WATER SPEED V IN A PIPE BY COMPARING THE WATER PRESSURE IN THE WIDE AND NARROW SECTIONS(CROSS-SECTIONAL AREAS A, A=A/4).FIND V IF THE DIFFERENCE IN MECURY LEVEL IS h=25mm.(THE DENSITY OF MERCURY IS =13600Kg/meter cube)

    asked on April 19, 2010
  51. PHYS101

    oil is added to the right hand arm of a U-tube containing water.The oil floats above the water to a height of h=10cm.The top of the oil+water column is a height d=2cm above the top of the water column in the other arm .Calculate the oil density?

    asked on April 19, 2010
  52. chem101

    a 0.1M NaOH solution has been prepared for you.Describe how you would prepare 1 litre of the same solution

    asked on April 11, 2010
  53. chemistry

    explain why you get two different pH values for same solution when calculating and using pH meter of same solution?

    asked on February 11, 2011
  54. physics

    consider a simple harmonic oscillation with m=0.5kg,k=10N/m and amplitude A=3cm,if the oscillation is released from rest at x=A when the clock is set to t=0,determine the position of the oscillation at t=2s

    asked on September 20, 2010
  55. physics

    a pendulum of length L=9.8m hangs in equilibrium and is then given velocity v=0.2m/s at its lowest point.What is the magnitude of the subsequent oscillation?

    asked on September 20, 2010
  56. chemistry

    what is the minimum number of electrons that would be expected to be in the valence shell of As in AsCl

    asked on September 20, 2010
  57. FINANCIAL MANGEMENT

    a client invests 100 000 with an interest rate of 8% with quarterly compound what will the interest be after a year

    asked on September 27, 2017
  58. math

    the relationship between input values x and the output values y is described as:y is one less than a quarter of the number x .if x is equal to -8,-4,0,4,8;represent this relationship in a flow diagram

    asked on September 14, 2015
  59. Life orientation

    8 ways in which ill health impact on the community

    asked on April 20, 2013
  60. physiology

    please help with a link to scientific articles about metabolic demands of excercise in cardiovascular system

    asked on April 21, 2011
  61. inorganic chermistry

    what is the characteristic flame for sodium,lithium,barium,copper and calcium?explain why

    asked on October 1, 2010
  62. inorganic chermistry

    (a)explain why the colour for ions in the flame tests differ (b)Why do the chemicals have to be heated in the flame first before the colour light is emitted?

    asked on October 1, 2010
  63. physics

    What happens when the frequency of a force applied to a system matches the natural frequency of vibration of the system

    asked on September 20, 2010
  64. chemistry

    1) A 3-fold degenrate subshell can carry a maximum number of how many electrons?

    asked on September 8, 2010
  65. physics

    two llong parallel vertical wires 0.3m apart are placed east-west of one another.The current in the eastely one is 30A and that in the other is 20A.Both currents flow upwards.The earth"smagnetic field is horizontal directed north and has magnetude field

    asked on August 24, 2010
  66. chem102

    help with thes -iso and cyclo when doing the nomanclatur of organic compounds

    asked on July 25, 2010
  67. phys101

    please help with heat calculations that include the melting of ice

    asked on May 13, 2010
  68. chem101

    what is the function of an indicator in a titration

    asked on April 11, 2010
  69. phys101

    if the stress strai graph is a straight line,how much does the bar srtetch when applied force is increased by 50000N?

    asked on April 9, 2010
  70. chemistry

    calculate pH of 0.1M NH4^- of 100ml of that solution?

    asked on February 13, 2011
  71. physics

    a pendulum of length L=9.8m hangs in equilibrium and is given velocoity v=0.2m/s at its lowest point.What is the magnitude of the subsequent oscillation?

    asked on September 19, 2010
  72. chemistry

    what subshells would be found in the shells with n=3 and n=4?how many orbitals are there in a g subshell?

    asked on September 8, 2010
  73. physics

    help with the websites that discuss the mechanism followed during the manufacturing of a bar magnet such that it has a north and south pole

    asked on August 27, 2010
  74. phys102

    please help with a website that talks about the misconsumption of electricity and their corrections

    asked on July 28, 2010
  75. PHYS101

    In a calorimeter can(water is melted above?

    asked on April 29, 2010
  76. phys101

    if the stress strai graph is a straight line,how much does the bar srtetch when applied force is increased by 50000N?

    asked on April 9, 2010
  1. economics,english,mathslit,accounting,business,zul

    I can be able to be ceo12

    posted on February 5, 2017
  2. economics,english,mathslit,accounting,business,zul

    I can be able to be ceo

    posted on February 5, 2017
  3. maths lit,accounting,economics,business studies

    Maths lit

    posted on February 5, 2017
  4. Life orientation

    examples of human rights discriminations

    posted on April 18, 2016
  5. l.o

    Impact of land pollution on the environment or human's health of this type of hazard,method or substance on the environment or human's spheres of life

    posted on March 31, 2016
  6. physics

    0.2 cm

    posted on September 17, 2015
  7. life orientation

    Five practical actions that you can take to address humans rights violations of xenophobia in your community

    posted on March 10, 2015
  8. life oriatation

    To what extent can intrapersonal conflict affect choice of a career?

    posted on March 7, 2015
  9. 5 ways in which the human or environmental problem impact on the community

    In 10-15 lines critically discuss 5 ways in which the human or environmental problem impacts on the community

    posted on May 19, 2011
  10. chemistry

    then what must i do after i have the Ka of CH3COOH

    posted on February 13, 2011
  11. chemistry

    so wich one between the addition of two electrons or removal of an electron will requere more energy

    posted on September 19, 2010
  12. chemistry

    so wich one between the addition of two electrons or removal of an electron will requere more ionisation energy

    posted on September 19, 2010
  13. chemistry

    dr i can't see what you wrote here

    posted on August 16, 2010
  14. chemistry

    DR i can't see what you wrote here

    posted on August 16, 2010