Most popular questions and responses by ch
  1. Language Arts

    10 MS. SMITH: [glossing over his misbehavior and adopting a serious tone as she hands Jason a piece of paper] Yes, OK. So, tell me your plan for the project. Have you consulted this project list yet? You really need to quit putting this off. You're the

    asked on May 17, 2018
  2. chemistry

    how much heat, in kilojoules, must be added to 178 grams of water to increase the temperature of the water by 50 degrees celisus?

    asked on April 21, 2010
  3. Chem

    If you have an equation for a line, y = 0.15x + 0.010, where y is absorbance and x is concentration in molarity of Fe (2+), calculate the concentration of a test sample with an absorbance of 0.065. What is the absorbance value for the blank in this

    asked on November 15, 2016
  4. chemistry

    what volume of hydrogen will be produced if 100cm3 of ammonia is completely decomposed at constant temperature and pressure.

    asked on December 21, 2014
  5. physics

    At 15 minutes past the hour, a 47.0 g mouse runs up a grandfather clock and sits himself down at the end of the minute-hand. If the minute-hand for the clock is 16.0 cm long, what is the magnitude of the torque exerted by the mouse on the minute-hand? Give

    asked on November 13, 2017
  6. Maths

    A pond is 36 cm long.A duck swims 4 lengths of the pond each day.How far foes the duck swim in four weeks.

    asked on March 1, 2019
  7. history

    in what ways have Native Americans keot their cultural traditions alive?

    asked on January 4, 2008
  8. chemistry

    What is 9.3 X 10 to 5th power

    asked on May 13, 2011
  9. physics

    A 1.83×103 kg car accelerates uniformly from rest to 10.7 m/s in 3.44 s. a) What is the work done on the car in this time interval? Answer in units of J

    asked on December 2, 2011
  10. chemistry

    The half-life of a first order reaction is determined to be 72.5 years. How long will it take for the concentration of the reactant to reach 2% of its initial value?

    asked on December 14, 2012
  11. mATH


    asked on January 26, 2012
  12. math

    multiply X plus Y Squared

    asked on January 12, 2012
  13. math

    how do u solve a unit rate problem using proportions to solve

    asked on January 26, 2012
  1. Social Studies

    it's probably B.

    posted on September 12, 2019
  2. Chemistry

    what is the no of ions 16g of h2co3

    posted on July 13, 2018
  3. maths


    posted on May 11, 2015
  4. maths


    posted on May 11, 2015
  5. chemistry

    the first oxygen has a -1 charge, the second oxygen has a +1 charge, and the last oxygen has a 0 charge.

    posted on January 12, 2014
  6. English

    Thank you Jo all the answers were right!

    posted on April 19, 2012
  7. mATH


    posted on January 26, 2012
  8. mATH


    posted on January 26, 2012