Popular questions and responses by Nisar
  1. chem

    Can somebody help me please??? Ozone, O3 has a O-O-O connectivity. 1. Draw a lewis structure for ozone 2. Calculate the formal charge for each oxygen of ozone 3. Describe the shape of ozone

    asked on September 1, 2005
  2. Physics

    I have a hard time solving this problem. The weight of an object at the surface of a planet is proportional to the planet's mass and inversely proportional to the square of the radius of the planet. Jupiter's radius is 11 times Earth's and its mass is 320

    asked on August 28, 2005

    It is pretty easy but I am not quite sure. Round 0.03095583 to the 3 sig figs. Is it 3.12 x E-2 The format is OK but the rounded-off number is 3.10 x 10^-2 2681

    asked on August 25, 2005
  4. physiology

    Make a good argument for blood to be placed in an organ system OTHER than cardiovascular. Make a good argument for blood to remain in the cardiovascular system. I chose lungs because it is positioned in the same level as heart, but don't know what else to

    asked on June 21, 2005
  5. physio

    Out of all four major organic molecules (carbohydrates, lipids, proteins, and nucleic acids) which ones are present in blood? All are in the blood. Think on what is blood: water, dissolved gases, cells, foods (sugars, lipids, amino acids, etc)

    asked on June 20, 2005
  6. chem

    How many structural isomers of dicloro,hydroxy,butanoic acid are there? Is there a website that has the structure with names??? The point of this question is to get you to draw the compound, then move the cloro and hydroxyls and count the variations. So

    asked on September 1, 2005
  7. Physics

    Which of these is the best example of a Vector's Magnitude? a. Newtons b. Meter per Second per Second c. Miles per hour d. Feet e. Meters/Second f. all of these Answer: I think since a vector's magnitude is best described as a length that answer should be

    asked on August 29, 2005
  8. Chemistry

    You have 30mL of .2M HF being titrated with .15M KOH. The pka is 3.17....half way to the equivalence point you have 20mL of KOH. Find the pH when you add 40mL of KOH . Find the pH when you have 100mL of KOH added. Sol:pH = pKa + log (base / acid) = -log

    asked on June 3, 2015
  9. Physics

    Dennis has a problem. He went to school, which is 12 blocks @60 degrees celcius away from home. then he went to the intramural scrimmage at Dumbbell Hight football field, 14 blocks @ (7pie/4)from school. Then he had a study date with aula, and her house is

    asked on September 5, 2005
  10. chem

    If 4.75 mL of cycohexene is reacted with 7.04 g of bromine, which is the limiting reagent? What is the theoretical yield of product? Alkenes like cyclohexene undergo addition reactions with bromine to produce dibromoalkanes. So, write and balance the

    asked on September 4, 2005
  11. chem

    What is another name for cardamist? Please write the formula and a link to its structure. See

    asked on September 4, 2005
  12. can somebody answer my chem questions below plzz

    I have posted some chem question below can somebody answer them plzzzzzz Multiple posts asking people to answer your questions will get you banned. Please be patient as someone will help you as soon as possible. If you were travling from Devner,Colardo to

    asked on September 2, 2005
  13. Physics

    Given Vector A with magintude 9.17 feet and Vector B with magnitude of 10.58 feet, what is the resultant of the two vectors added together? Answer: I know it would depend on the direction of the vector. If in the same line we would add them or if opposite

    asked on August 30, 2005
  14. physics

    1. Vector B is in the third quadrant, therefore its x and y components are negative. If B's direction is 218 degrees (counter clockwise from the positive x-axis) then which expression best describes B's x-component? 1. B*sin(38) 2. B*cos(38) 3. B*tan(38)

    asked on August 29, 2005
  15. Physics

    1. I have vector A = 700 grams at 15 degrees north of east; what is A's component in the East Direction? (Answer with three significant figures. 7. I have vector A = 700 grams at 15 degrees north of east; what is A's component in the North direction? 1.

    asked on August 29, 2005
  16. Physics

    Someone please help me with this. The speed of ocean waves depends on their wavelength λ (in meters) and the gravitational field strength g (in m/sˆ2) in this way: V=Kλˆp Gˆq Where K is a dimentionless constant. Find the value of the

    asked on August 28, 2005
  1. math

    at 1:30 PM

    posted on February 4, 2015