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Newest questions and responses by Live
  1. Physics

    1) A sample of gas is in a cylinder with a moveable piston. The force on the piston can be varied, altering the pressure and volume. A sample of gas is taken from an initial state to a final state following a curve on a pV diagram at right (vertical line).

    asked on January 16, 2019
  2. physics

    A container of gas with N molecules has the following state variables: P0, V0, and T0. A second container has twice the number of molecules as the first, triple the pressure and T=T0. What is the volume of the second container in terms of V0?

    asked on January 16, 2019
  3. Physics

    How would a graph of volume of a gas as a function of pressure in container look like if gas amount and temperature are held constant?

    asked on January 14, 2019
  4. Physics @bobpursley

    A 65 kg student consumes 2500 Cal each day and stays at the same weight. For three days in a row, while visiting his parents, she eats 3500 Cal and, wanting to keep from gaining weight decides to "work off" the excess by jumping up and down. With each

    asked on January 11, 2019
  5. Physics

    A 65 kg student consumes 2500 Cal each day and stays at the same weight. For three days in a row, while visiting his parents, she eats 3500 Cal and, wanting to keep from gaining weight decides to "work off" the excess by jumping up and down. With each

    asked on January 11, 2019
  6. Physics

    In an amusement park, there is a water slide that starts h meters above its base where people slide out 1.2 m above the surface of a pool. You may assume there is essentially no friction between a person and the slide. a) What should be the maximum (safe)

    asked on January 10, 2019
  7. Chem

    How many millimoles of glucose are in 500 ml of a 1 M solution? I got 0.0005 millimoles, is this correct?

    asked on January 10, 2019
  8. O chem

    What's the product of butyl-iodide and napthalene?

    asked on November 18, 2018
  9. physics

    Two cars initially moving at an angle of 112 degrees towards each otherwill stick together after the collision and travel off as a single unit. The collision is therefore completely inelastic. The two cars of masses m1=1700kg and m2=2200kg, collisde at an

    asked on November 17, 2018
  10. Chemistry

    Describe the process you would have used to recrystallize the naphthalene.

    asked on November 13, 2018
  11. Chemistry

    Write balanced chemical equations for all transferals of the compounds from organic to aqueous phases and for all precipitation reactions. **Note: If a compound does not move from one layer to another, no reaction has occurred, and no equation can be

    asked on November 13, 2018
  12. physics

    A friend has some friends who own a tree farm in Foster. This summer they cleared away all the trees that were within a 50m distance from their house. This meant that their house was safer if a fire started, as well as the fact that they now get more sun

    asked on November 10, 2018
  13. Math

    How do you write 1.42 * 10to the fifth power in standard form?

    asked on October 23, 2016
  14. physics

    A spring is launched at and angle of 30 degrees and pulled 30 cm back.The distance from the floor to the top of the launcher is 35 cm. At what distance will the spring lan in the bucket?

    asked on October 11, 2010
  1. Physics

    @bobpursley Which formula did u use to obtain this jumps=(2500C*.25*1000c/C*4.18J/c )/(1/2*65*3.2^2)

    posted on January 11, 2019
  2. Physics

    when dividing the time by 3.0, wouldnt the answer be in s/m, which is not the correct velocity term. And when dividing 3.0 by the time, it comes up as 6 m/s which seems a little too high. Am I wrong here? I got 0.49 seconds for the time.

    posted on January 10, 2019
  3. Chemistry

    napthalene, benzoic acid, and 4-chloroaniline

    posted on November 13, 2018
  4. Art

    No, this was wrong this was the only question I got wrong because I followed this answer the right answer is that it has allowed for new energy sources to be discovered and used.

    posted on September 28, 2017
  5. english

    i think its a

    posted on April 4, 2016