# 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.

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

3. ## Chemistry

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

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:

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?

6. ## physics

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

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

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

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

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

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.

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

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

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?

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

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

17. ## social studies

identify five ways to develop human resources

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

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

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?

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,

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

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

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.

25. ## math

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

26. ## math

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

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

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.

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?

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

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

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

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

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)

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?

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

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 .

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?

39. ## math

what is a place value

40. ## science

what is the name between high and low tides

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

42. ## home school

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

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

44. ## Math

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

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

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

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.

48. ## chemistry

show how to convert: 0.0023hm to micrometers

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

50. ## social studies

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

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?

52. ## U.S. History

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

53. ## U. S. History

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

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?

55. ## Math

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

56. ## Math

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

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

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

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