Jamal

Most popular questions and responses by Jamal
  1. Math

    Write an expression to represent: Eight more than the product of two and a number xxx.

    asked on March 29, 2018
  2. Physics 4B

    To make a secure fit, rivets that are larger than the rivet hole are often used and the rivet is cooled (usually in dry ice) before it is placed in the hole. A steel rivet 1.873 cm in diameter is to be placed in a hole 1.871 cm in diameter in a metal at

    asked on August 24, 2011
  3. Chemistry

    What is the equilibrium constant for H2CO3(aq)->2H+(aq)+CO3-2(aq)

    asked on August 23, 2017
  4. Chemistry

    A mixture of 0.47 mole of H2 and 3.59 moles of HCl is heated to 2800C. Calculate the equilibrium partial pressures of H2 Cl2 and HCl if the total pressure is 2.00 atm. For the reaction Kp is 193 at 2800C. H2(g) +Cl2(g) = 2HCl (g) What I've done so far:

    asked on December 19, 2010
  5. physics

    A man pulls a wagon with a handle that is at an angle of 42° with the ground. If the man pulls with 330 N of force, how much force pulls the wagon forward?

    asked on November 28, 2014
  6. physics

    A spiral spring stretches 4 cm when a mass of 0.5 kg is suspended from it. what is the spring constant?

    asked on March 27, 2012
  7. accounting

    andrew quits his job as an accountantwhere he earns $45000 per year to go back to scool for 2 years to get an NBA degree. He attends a school that charges $25000 per year for tuition & related expenses. How much is the total cost (explicit plus

    asked on October 5, 2011
  8. Chem

    A sample contains an unknown amount of tartaric acid, H2C4H4O6. If 0.3888 g of the sample requires 37.74 mL of 0.1000 M NaOH to neutralize the H2C4H4O6 completely, what is the percentage of H2C4H4O6 in the sample? The molar mass of H2C4H4O6 is 150.09

    asked on October 23, 2017
  9. Science

    When an oxygen atom forms an ion, it gains two electrons. What is the electrical charge of the oxygen ion? A. +2 B. -1 C. -2 D. +1

    asked on May 23, 2015
  10. Physics

    I am stumped on this homework problem and would like help at least to get me thinking in the right direction: It is a 2-D problem where a spring "plunger" is being used to propel a block forward. More specifically: the block rests against an ideal spring

    asked on April 25, 2008
  11. math

    Is x=18 in the solution set of the radical equation 4 root of x minus 2 end root plus 4 equals 2 ? Tell why or why not.

    asked on August 1, 2016
  12. Chemistry

    For the following reaction, 0.506 moles of ammonia are mixed with 0.458 moles of oxygen gas. ammonia (g) + oxygen (g) nitrogen monoxide (g) + water (g) What is the FORMULA for the limiting reagent? What is the maximum amount of nitrogen monoxide that can

    asked on September 21, 2007
  13. Chemistry

    According to the following reaction, how many moles of hydrogen iodide will be formed upon the complete reaction of 30.0 grams of hydrogen gas with excess iodine? hydrogen (g) + iodine (s) hydrogen iodide (g) moles hydrogen iodide

    asked on September 21, 2007
  14. Physics

    A 640-kg racing car completes one lap in 14.3 s around a circular track with a radius of 55.0 m. The car moves at constant speed.(a) What is the acceleration of the car?(b) What force must the track exert on the tires to produce this acceleration?

    asked on October 25, 2012
  15. Chemistry

    How do I solve this problem? According to the following reaction, how many grams of mercury(II) oxide are needed to form 22.4 grams of oxygen gas? mercury(II) oxide (s) mercury (l) + oxygen (g)grams mercury(II) oxide

    asked on September 21, 2007
  16. nucleus true facts

    is the nucleus always found in the center of the cell? I know the nucleolus is located inside the center of the nucleus but is the nucleus alwasy found in the center of the cell? Short answere is no. The cell nucleus does not have to be in the exact center

    asked on October 4, 2006
  17. social studies

    identify five ways to develop human resources

    asked on January 23, 2011
  18. social studies

    what have many immigrants done for our country in 1900s??? What happend with the immigrants in 1900s when there went into the building?(Ellis Island) Thank's

    asked on January 11, 2011
  19. Accounting

    Your firm uses return on assets (ROA) to evaluate investment centers and is considering changing the valuation basis of assets from historical cost to current value. When the historical cost of the asset is updated, a price index is used to approximate

    asked on July 4, 2011
  20. Algebra

    In 2000, in Country A, the average family net worth was $410,000, and there was about 6.1 x 10^7 families. Calculate the total family net worth Country A in 2000. Country A's total family net worth is what in dollars?

    asked on April 12, 2013
  21. Accounting

    Panarude Airfreight is an international air freight hauler with more than 45 jet aircraft operating in the United States and the Pacific Rim. The firm is headquartered in Melbourne, Australia, and is organized into five geographic areas: Australia, Japan,

    asked on July 4, 2011
  22. Algebra 1

    Latoya has a job transporting soft drinks by truck. Her truck is filled with cans that weigh 14 ounces each and bottles that weigh 70 ounces each. There is a combined total of 800 cans and bottles in her truck. Let x be the number of 14-ounce cans in her

    asked on April 8, 2016
  23. Graphs&Intercepts

    Write a sentence comparing the graphs of equations with a positive coefficient of x and graphs with a negeative coefficient of x

    asked on October 13, 2011
  24. College Chemistry

    If 10 mL of 1M NaOH are added to one liter of a buffer that is 0.3 M acetic acid and 0.2 M sodium acetate (Na+CH3COO-), how much does the pH change? The pKa for acetic acid is 4.76.

    asked on September 23, 2011
  25. math

    What is the probability of guessing 70 out of 100 multiple choice questions correct when there are 4 choices per question?

    asked on April 22, 2008
  26. math

    This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).

    asked on November 14, 2013
  27. calculus

    This is the question: "A new fruit juice (like a Popper) is to be marketed in a new container in the shape of a rectangular prism. The cardboard container is to have a square base and is to contain 300 mL of juice. What should be the dimensions of the

    asked on March 19, 2013
  28. Physics

    You're sailboarding at 7.0 m/s when a wind gust hits, lasting 6.8 s accelerating your board at 0.47 m/s2 at a 35 degrees to your original direction.

    asked on February 15, 2013
  29. Math

    Kandace have been approved for a $250,000, 30 year mortgage with an APR of 4.5%. What is their monthly payment rounded to the nearest dollar?

    asked on December 12, 2012
  30. stastistics(psychology)

    A study was conducted to identify the predictors for symptomatic distress in EMS workers. Five predictor variables were used in a regression model and fitted to a data collected on n = 147 EMS workers and yielded F* = 34.47. In testing the usefulness of

    asked on February 3, 2012
  31. Finance

    Security A has an expected return of 7%, a standard deviation of returns of 35%, a correlation coefficient with the market of -0.3, and a beta coefficient of -1.5. Security B has and expected return of 12%, a standard deviation of returns of 10%, a

    asked on July 4, 2011
  32. Chem

    Calculate the molarity (M) of a solution of the strong base Ca(OH)2 if the pOH is 0.650. pOH= 0.650 pH = 14-0.650 pJ=13.35 -log(13.35) = -1.13

    asked on October 15, 2016
  33. stastistics

    You have a hot grill and an empty hamburger bun, but you have sworn off greasy hamburgers. Would a meatless hamburger do? The data for 12 brands of meatless hamburger were collected. Calories, fat, and sodium in these meatless hamburgers were used to

    asked on February 3, 2012
  34. College Chemistry

    What is the pH when 10 mL of 1 M acetic acid is added to pure water so that the final volume is 100 mL? The Ka for acetic acid is 1.74 x 10^(-5)

    asked on September 23, 2011
  35. Math

    A survey of 500 shoppers showed that 60% were paying cash for their purchases at Walmart. What is the margin of error for this survey?

    asked on December 14, 2009
  36. math

    i have 5/6 yards of fabric to make shirts I need 1/12 yards of fabric for each chirt. How many shirts can I make? 5/6 x 1/12

    asked on May 25, 2015
  37. science

    a particle 100g attach with a horizontal spring moving s.h.m.with amplitude 5cm .when this particle is passes through mid point a small particle placed on it then both moving s.h.m.with amplitude 4cm.find the mass of small particle .

    asked on March 1, 2015
  38. Math

    Kandace have been approved for a $250,000, 30 year mortgage with an APR of 4.5%. What is their monthly payment rounded to the nearest dollar?

    asked on December 12, 2012
  39. math

    what is a place value

    asked on August 4, 2008
  40. science

    what is the name between high and low tides

    asked on October 21, 2007
  41. History

    I have to write an essay on the legacy of the Enligntenment. Can any one provided me with websites for resources I need help Here is a good place to start: http://en.wikipedia.org/wiki/Age_of_Enlightenment Notice the characteristics of the Age of

    asked on November 30, 2006
  42. home school

    the sum of two numbers is 42. their product is 185. what are the two numbers

    asked on November 20, 2013
  43. calculus

    This is the question: "A new fruit juice (like a Popper) is to be marketed in a new container in the shape of a rectangular prism. The cardboard container is to have a square base and is to contain 300 mL of juice. What should be the dimensions of the

    asked on March 19, 2013
  44. Math

    Which value is not equal to the absolute value of -50. A) |50| B) |-50| C) 50 D)-50

    asked on January 28, 2013
  45. stastistics

    You have a hot grill and an empty hamburger bun, but you have sworn off greasy hamburgers. Would a meatless hamburger do? The data for 12 brands of meatless hamburger were collected. Calories, fat, and sodium in these meatless hamburgers were used to

    asked on February 3, 2012
  46. stastistics

    1. In investigating growth of Japanese beetles, biologists predicted the size (in millimeters) of female beetles from daily temperature (in degrees) and age (in days). The regression equation is: size(hat) = 6.51 -0.002temperature -0.01age Which is

    asked on February 3, 2012
  47. computer science

    You work for a company that requires you to compute the average temperature for 8 A.M. to 6 P.PM. each day. You are to computer program to compute the average temperature.

    asked on February 2, 2012
  48. chemistry

    show how to convert: 0.0023hm to micrometers

    asked on August 23, 2011
  49. calculus

    Determine the volume of the solid formed by rotation about the y-axis of the region bounded by the curves y=4^x-1 and y = 21x on the interval 0< x

    asked on January 30, 2011
  50. social studies

    help!!! What are the reason that immigrants in the 1900s came to our country?What did there brought to our country?

    asked on January 11, 2011
  51. chemistry

    a sample of air has a volume of 140.0 mL at 67 degrees C. At what temperature will its volume be 50.0 mL at constant pressure?

    asked on May 18, 2010
  52. U.S. History

    What was the human hisory between North American Asia Eurasia and Europe before the 1450's?

    asked on March 27, 2010
  53. U. S. History

    How did human history in North America differ from Asia, Eurasia, and Europe?

    asked on March 24, 2010
  54. U.S. History

    How did human history in North America during the period described in the Prologue differ from the events of Asia, Eurasia, and Europe?

    asked on March 24, 2010
  55. Math

    1. 2/5 + -3/5= 2. M - 7/18 = -5/18 (must reduce) 3. R + 7/12 = -5/12

    asked on December 7, 2008
  56. Math

    What is -6 over 45 + -9 over 45. And reduced. I know the denominator is 45.

    asked on December 7, 2008
  1. statistics

    0.209

    posted on April 12, 2019
  2. physics 11

    Yeh

    posted on November 24, 2018
  3. Chem

    191.5?

    posted on October 23, 2017
  4. Math

    Sixth grade number of students is 95.what is the percent of 95

    posted on April 13, 2017
  5. physics

    2.3

    posted on November 29, 2016
  6. math

    Haha ms. sue got you

    posted on November 18, 2016
  7. Computer

    TELL ME THE NSWER

    posted on May 18, 2016
  8. chemistry

    137

    posted on April 13, 2016
  9. Algebra 1

    oke

    posted on April 8, 2016
  10. AP US History (Please help ASAP)

    Because I had an erection during the fair.

    posted on April 24, 2015
  11. Physics

    69

    posted on February 9, 2015
  12. math

    Thanks man.

    posted on November 14, 2013
  13. ACCOUNTING

    The post closing trial balance contains balance sheet accounts only. True or False

    posted on February 11, 2013
  14. Math

    Thank you so very much!

    posted on December 12, 2012
  15. English

    Y'all tripping

    posted on November 21, 2012
  16. math

    factor of 6 and 9

    posted on September 24, 2012
  17. Physics

    Use Newtons 2nd law to solve this We know Sum of forces in y=0 mv^2/r 59(9.8+(3.0^2/6.4))=T T=661N

    posted on December 4, 2011
  18. Physics

    Well you are given your three variables in this question, so it is pretty straightforward. We know that F=mv2/r F=1000*19^2/50 F=7220 N

    posted on December 4, 2011
  19. medical billing

    Define and discuss the relationship between patient registration, the hospital chargemaster, coding systems and reimbursement.

    posted on October 11, 2011
  20. accounting

    will someone PLEASE answer this question?? :)

    posted on October 5, 2011
  21. chemistry

    yes that

    posted on August 23, 2011
  22. social studies

    Thank you!!!!!!!!!!!!!!

    posted on January 11, 2011
  23. math

    move the x1,y1,x2, and y2 sliders back and forth.which sliders affect the rise?

    posted on January 4, 2011
  24. Chemistry

    Got it. Thanks man.

    posted on December 19, 2010
  25. French 1

    luice amies les pommes

    posted on October 6, 2009
  26. Gen 105

    inks to the three Web sites that describe the intelligence o A 50-word description, written by you, of your strongest intelligence o A 50-word summary describing how each site either reinforced or contradicted something about yourself.

    posted on September 16, 2009
  27. Math

    Really thanks alot!!!

    posted on December 7, 2008
  28. Math

    Okay. For number 1. I got -1/5 Number 2. i got 1/9 number 3 i got -1

    posted on December 7, 2008
  29. Math

    Thank you Ms. Sue. I had it right the first time! :D

    posted on December 7, 2008
  30. English

    where can I get interesrting reading texts for comprehension?

    posted on September 12, 2008
  31. science

    what is the name of the between of low and high tides what r they call

    posted on October 21, 2007
  32. Chemistry

    Thanks... I don't understand, but I'm actually trying to help my daughter...hope this helps her... I have a couple more questions that I'm going to post.

    posted on September 21, 2007