# zoya

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?

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?

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.

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?

5. ## physics

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

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

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 ?

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

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

1. ## Maths

800 rupees but how to find

posted on July 1, 2015
2. ## English

posted on February 17, 2015
3. ## ap chemistry

ok

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