Lindy

Most popular questions and responses by Lindy
  1. Chemistry

    A 237 g piece of molybdenum, initially at 100.0°C, is dropped into 244 g of water at 10.0°C. When the system comes to thermal equilibrium, the temperature is 15.3°C. What is the specific heat capacity of molybdenum?

    asked on April 22, 2011
  2. Trig

    Two planes take off at the same time from an airport. The first plane is flying at 240 miles per hour on a bearing of S 45.0° E. The second plane is flying in the direction S 45.0°W at 290 miles per hour. What is the bearing of the second plane from the

    asked on October 1, 2014
  3. US HIST

    Explain, in a paragraph of your own words, what you consider to be the “#1 Cost of the American Civil War.”Choices: (Social, Economic, or Political)

    asked on May 14, 2014
  4. chemistry

    how wold you prepare 2.00L of 1.00M HCl solution using 6.00 M HCl? i already found the volume of 6.00M HCl needed to be .333L. i am confused about how to actually prepare the solution. do i used a volumetric flask or any other glassware?

    asked on February 26, 2011
  5. chemistry

    The freezing point of mercury is -38.8°C, is the only metal that is liquid at room temperature. What quantity of heat energy, in joules, must be released by mercury if 2.00 mL of mercury is cooled from 23.0°C to -38.8°C and then frozen to a solid? (The

    asked on April 23, 2011
  6. math

    For questions 1–4, find the slope of the following graphs. 1.    (1 point)        2  –2  – 2.    (1 point)      1  –1 – 3.    (1 point)        3 – 4.    (1 point) 0 1 –1 undefined For questions 5 and 6, find the

    asked on May 2, 2014
  7. math

    jeremy spends 1/4 of his pocket money each week on books.he saves 2/3 of what is left over.if he saves $5 each week,how much weekly pocket money does he receive

    asked on April 13, 2013
  8. statistics

    It is known that 60% of people do not respond to mailed questionnaires. In a sample of 20 questionnaires mailed, what is the probability that more than 12 people will respond?

    asked on May 2, 2008
  9. College algebra

    how do you find the population (in thousands) of people of a city is growing according to the function P(t)=1500(2)^0.144t, where t is the number of years since 2001. I need to find the population of the city in 2001 and in 2008.

    asked on July 24, 2015
  10. Chemistry

    The freezing point of mercury is -38.8°C, is the only metal that is liquid at room temperature. What quantity of heat energy, in joules, must be released by mercury if 2.00 mL of mercury is cooled from 23.0°C to -38.8°C and then frozen to a solid? (The

    asked on April 22, 2011
  11. Technology

    If the mine Winch drum diameter is 6 m, calculate how far the cage will drop for each single rotation of the drum

    asked on September 7, 2019
  12. math

    Anthony is twice as old as Julian.5years ago,he was three times as old .let x be julian`s present age find the present ages of anthony

    asked on October 29, 2014
  13. math

    Trevor invests $10000 for a year.he obtains 8% per year for a part of the money and 10%per an um for remainder.at end of the year he sill receive $950 in interest.how much does he invest at 10%

    asked on October 27, 2014
  14. math

    Sum of 8numbers is X,sum of a different set of nine numbers is 2x.average of smaller set of numbers is one more than average of the larger set of numbers.write an equation for X and solve it

    asked on October 27, 2014
  15. math

    a bottle is 1/4 full of cordial,if 500 ml of cordial is added to it, the bottle is 2/3 full.how many ml does the bottle hold when full

    asked on April 13, 2013
  16. Chemistry

    The freezing point of mercury is -38.8°C, is the only metal that is liquid at room temperature. What quantity of heat energy, in joules, must be released by mercury if 2.00 mL of mercury is cooled from 23.0°C to -38.8°C and then frozen to a solid? (The

    asked on April 23, 2011
  17. Statistics

    The head librarian claims that books have been checked out an average of seven times in the last year. You suspect she has exaggerated the checkout rate and that the mean number of checkouts per book per year is, in fact, less than seven. Using the

    asked on May 2, 2008
  18. Public Admin

    Provide two examples (social, political, cultural, environmental, or economic conditions) that may have influenced the content and development of the U.S. Constitution. In addition, explain how the factors you selected impact public administration in

    asked on March 2, 2016
  19. science

    what quantity of heat must be absorbed to convert 86.1 g of liquid to a vapor at its boiling point, -24.09 c? the heat of vaporization of ch3cl is 21.40

    asked on April 23, 2011
  20. Algebra - word problem

    A red ball and a green ball are simultaneously tossed into the air. The red ball is given an initial velocity of 96 feet per second, and its height, t seconds after it is tossed is (-16t^2 + 96t) feet. The green ball is given an initial velocity of 80 feet

    asked on November 30, 2009
  21. Algebra---Variation

    It is a variation problem. I know what the answer is and how to get to the answer I just don't know how I got it. From measurements on many rivers, geographers find that the length of a river that drains a particular "basin" of land is approximately

    asked on April 23, 2011
  22. Chemistry

    In a copper cycle lab, where could have the lost copper might have went? Let's say I did a copper cycle lab and my final weight of the copper is less than what i started with. Where did it go?

    asked on April 23, 2011
  23. chemistry

    calculate the concentration of ions present after the reaction between 13.50mL of 2.00M BaCl2 and 2.50mL of 6.00M H2SO4 i just wanted to check my answers [Ba^2+]=1.69M [SO4^2-]=o.938M [H^+]=0 [Cl^-]=1.50M if they are wrong please explain

    asked on February 26, 2011
  24. algebra

    2c-d=-2 d=-4c+20

    asked on January 12, 2009
  25. statistics

    population mean=42.6 standard deviation=12 n=16 M=34.4. Is this mean a reasonable outcome for a sample of n=16, or is this sample mean very different from what would usually be expected? I obtained a z -score of -2.73. Thus, that would make the sample mean

    asked on May 29, 2008
  26. Chem - solubility

    What is the molar solubility of Fe(OH)3 in water?

    asked on March 4, 2015
  27. language arts

    2. Read the following paragraph "That thrilled me, and scared me. The great world seemed to swing wide like the gates of the Fair, and I didn’t even have a plan. I hadn’t even put up my hair yet. It seemed to me it was time for that, time to jerk that

    asked on May 20, 2014
  28. chemistry

    help balance HNO2+HNO3

    asked on December 3, 2013
  29. math

    a box contains more than 25 but fewer than 40 balls.When the balls are counted by 3 there is 1 left over.When the balls are counted by 5 there are 2 left over.How many balls are in the box?

    asked on December 2, 2012
  30. Math

    How will you add,subtract,multiply, and divide 14,2,7,3,and 9 in that form to get to the answer 10.

    asked on September 18, 2016
  31. math

    Frances walks half the distance at 5km/h and ru the other half at 10km/hit the total time for her journey is 3 hours,what is the distance

    asked on October 29, 2014
  32. math

    what is the total surface (in square units) of an open-topped box with dimensions L*W*H =9*7*6

    asked on April 13, 2013
  33. math

    how many 2 digit numbers can be written so that the second digit is greater than the digit before it ?

    asked on December 5, 2012
  34. Life orientation

    Describe the life styele cancer and explain factors that contribute to the cancer

    asked on April 29, 2012
  35. Chemistry lab

    I did a copper cycle lab and my final weight of the copper is less than what i started with. Where did the lost copper go?

    asked on April 24, 2011
  36. world history

    Can you compare Syria's education level of population with the France's back in the days before the french revolution?

    asked on April 23, 2011
  37. calculus

    the side of squyare,s, is increasing at a rate of k unites per second. find the rate at which the area of the square is increasing

    asked on November 29, 2010
  38. math

    three sevenths divided by six thirteenths = ?

    asked on December 24, 2012
  39. math

    we decided on a new logo for our brand of shirts.It was to be 3 stripes. How many different logos we make, if we used 3 colors

    asked on December 9, 2012
  40. math

    pqrst is a regular hexagon. v is the intersection of pt and su.how big is angle tvs?

    asked on April 13, 2013
  41. Calculus

    The height (in feet) at time t (in seconds) of a small weight oscillating at the end of a spring is given below. h(t) = 0.2 cos(2t) (a) Calculate the weight's average velocity over the time intervals [1, 2] and [5, 7].

    asked on January 26, 2013
  42. math

    find the missing number; 8 1 4 5 7 # ;81 4 25 36 ?

    asked on December 2, 2012
  43. World history

    What was the economy of Syria like before the current revolution? Do you know any good website for it? Please help me!

    asked on April 24, 2011
  44. math

    24874divided by 17 ,which digits should one change in the first number to increase the answer by 100

    asked on April 13, 2013
  45. math

    24874divided by 17 ,which digits should one change in the first number to increase the answer by 100

    asked on April 13, 2013
  1. Physics Energy

    I think you did it right. My teacher got the same answer as u. Why would the answer be 200000?

    posted on April 27, 2019
  2. English

    Answer

    posted on April 19, 2016
  3. Public Admin

    1). Provide two examples (social, political, cultural, environmental, or economic conditions) that may have influenced the content and development of the U.S. Constitution.

    posted on March 6, 2016
  4. math

    Can u please show me how to work it out thanks

    posted on October 29, 2014
  5. Trig

    Mr.Steve can you help the Algebra questions that were asked. My class happen to be doing the same thing.

    posted on October 1, 2014
  6. Trig

    Can someone help me?

    posted on October 1, 2014
  7. Math

    Find three consecutive number of which the sum is 85

    posted on July 8, 2014
  8. math

    sorry,i am still not undrstand

    posted on December 13, 2012
  9. math

    sorry, I 'm still not understand

    posted on December 9, 2012
  10. math

    could u please explain how u work it out,thanks

    posted on December 9, 2012
  11. world history

    sorry it was logged in as my brother's name. Thanks again!

    posted on April 23, 2011
  12. chemistry

    Wait but I tried out the question but I kept getting the wrong answer... So if [mass Hg x specific heat liquid Hg x (Tfinal-Tinitial) ] + (mass Hg x heat fusion) (27.2 * 0.1410 * -61.8) + (27.2 * 11.4) and I got the answer as -598 but the answer is wrong.

    posted on April 23, 2011
  13. Chemistry

    My mistake :( Sorry.

    posted on April 23, 2011
  14. chemistry

    Ahh sorry it was a mistake. Sorry :(

    posted on April 23, 2011
  15. world history

    Do you know how much it was in France approximately? Do you think there is a source that can help me? :(

    posted on April 23, 2011
  16. Chemistry

    Oh never mind I got it. Thank you for your help!

    posted on April 23, 2011
  17. Chemistry

    But how would you get the mass if the question says 2.00ml and density is 13.6g/cm^3? How do you convert ml to cm^3?

    posted on April 23, 2011
  18. chemistry

    the grams of Ba(OH)2 that reacted was 11.99g. but isn't this still of the impure Ba(OH)2 sample? how do i find out the mass of pure Ba(OH)2? thanks for you're help so far

    posted on February 26, 2011
  19. statistics

    I meant REASONABLE, sorry. Thanks!

    posted on May 30, 2008
  20. Statistics

    *librarians intial claim

    posted on May 2, 2008
  21. Statistics

    Thanks. Would that mean the initial claim was too high?

    posted on May 2, 2008