Newest questions and responses by EV
  1. astronomy

    The orbit of the comet Encke has a perihelion distance of 0.331 AU and an eccentricity of 0.850. Suppose that the arrival of the comet at its perihelion distance happens to occur at a point directly in line between the Sun and the Earth. Roughly how many

    asked on October 21, 2015
  2. Chemistry

    How many moles of sodium ions are present in a 50.0 g sample of NaCl? Do I use avagadros number?

    asked on September 20, 2015
  3. chemistry

    2C6H6(l) + 15O2(g) --> 12CO2(g)+ 6H2O(g) how to calculate the ratio?

    asked on October 15, 2012
  4. English essay

    I am not very good at writing essays and I am having trouble with my first paragraph of a persuasive essay on smoking. Could you please give me feedback on what i could fix to make it better? thank you! We’ve all seen them, the person that is smoking in

    asked on May 4, 2012
  5. world history

    I need to do a persuasive essay for my world history class on the Industrial Revolution and i want to know if it makes sense. The industrial revolution changed society. Its the reason why we're in the society we are in now. Before the industrial

    asked on November 6, 2011
  6. science

    Is there such a thing as "black silver jewelry"?

    asked on October 12, 2011
  7. college

    At which point in the criminal process does the right to counsel end?

    asked on February 27, 2011
  8. Chemistry

    What is the concentration of a solution of 1.70 g of AgNO3 dissolved in enough water to make 250 mL?

    asked on February 8, 2011
  9. Math

    If the morning temperature is 24degrees and the overall temperature is 7 degrees, what is the evening temperature.

    asked on November 29, 2010
  10. Chemistry

    How many joules of heat are lost by 3399kg granite as it cools from 41.7 degrees Celcius to -13.3 degrees Celcius? answer must be in joules not kJ

    asked on May 19, 2010
  11. social studies

    what are the factors that led to the enclosures in england

    asked on December 12, 2009
  12. college application

    How do I answer "Describe any foreign travel experience you've had." I have never been outside of the country. Thanks!

    asked on November 18, 2008
  1. Math

    Oh! You just have to say it is -21 feet, because it is below sea level. Hope this helps. BIM took that answer, so yeah.

    posted on October 22, 2017
  2. Math

    I'm assuming you meant 2/3. I have the same problem, and I'm not 100% sure why, but I checked it and it is correct. I know BIM says it is incorrect, but the answer while doing it several ways is 21. I'm sorry this wasn't more helpful.

    posted on October 22, 2017
  3. Mechanical Behavior of Materials

    Changes in entropy associated with changes in molecular configuration, E=−TÙd2Sdϵ2=3nvkbT

    posted on November 3, 2014
  4. advance math

    6 inches deep

    posted on October 3, 2013
  5. physics

    C2: integral 1 to 5.4 of (12/0.05)^2)* (1-e^(-(0.05 t)/0.09))^2 * 0.05 dt C1: B + C2

    posted on April 15, 2013
  6. physics


    posted on April 15, 2013
  7. English essay

    Thank you so much. The links helped me alot!

    posted on May 5, 2012
  8. world history


    posted on November 6, 2011
  9. world history

    I want the to persuade the reader that the industrial revolution is harmful to society. Thesis: ??? Supporting arguments: air pollution,child labor!,it allowed the economy to get to what it is no, factory work was and still is difficult and dangerous,

    posted on November 6, 2011
  10. Chemistry

    so then my answer would be 150.116kJ which equals 150116835J. Is that correct???

    posted on May 19, 2010