Most popular questions and responses by zoya
  1. chemistry

    A solution of Al2 (SO4) 3 {d=1.253gm/ml } contain 22% salt by weight. The molarity, normality, and molality of the solution is?

    asked on May 30, 2014
  2. Geometry

    In the parallelogram KLMN, the diagonal KM is 7 inches long. How long would LN have to be to ensure that KLMN is a rectangle?

    asked on February 7, 2017
  3. physics

    A car of mass 1000kg moving with a velocity of 36km/h hits a wall and comes to rest in 5s.find the force and work done by the car on the wall.

    asked on December 31, 2012
  4. Maths

    The price of a pair of shoes is increased by 12% . If the present price of the pair of shoes is 896 rupees , then find its original price?

    asked on July 1, 2015
  5. physics

    at what attitude the value of g would become one forth than on the surface of the earth?

    asked on May 15, 2016
  6. Trigonometry

    a diagram shows a cross section of a triangular prism. AB=BC=7cm. BM=5cm m is the midpoint of the line segment AC. a) explain why angle AMB must be a right angle. b) calculate angle BCM. c) calculate area of the triangle

    asked on September 22, 2012
  7. maths

    The breadth of a rectangular field is 75% of its length.If the diagonal of the field is 100 m,what is the area of the field ?

    asked on June 24, 2016
  8. Life science

    What is food fad?

    asked on July 2, 2015
  9. ap chemistry

    I have taken ap chemistry but I have language barrier and sometimes I don't get it and I am getting behind.We are already in chapter 9.I don't want to quit. What is the best way to improve and learn faster?Any practice I should do?What is the experience

    asked on November 4, 2012
  10. Trigonometry

    in a diagram, PRS is a straight line. PQ = 9.2 cm, QS= 7.6cm and angle QPR =38 degrees.QR is perpendicular to PS. Calculate angle PQS to nearest 0.1 degrees

    asked on September 22, 2012
  1. Maths

    800 rupees but how to find

    posted on July 1, 2015
  2. English

    Advantage of good food.

    posted on February 17, 2015
  3. ap chemistry


    posted on November 5, 2012
  4. ap chemistry

    DrBob222, thank you. Is there any online worksheets related to chemistry 8th edition zumdahl up to chapter 9. The topic include.. -percent composition of compounds and formula for compound like molecular and empirical -balancing equations -limiting

    posted on November 4, 2012
  5. ap chemistry

    ya I have.He said If you have any questions just ask me but i think i am to shy. About ap board exam he said that you should take this as challenge.

    posted on November 4, 2012