Popular questions and responses by Connie
  1. Chem

    How many grams of N2 are produced when 125g of NH3 reacts by the following? 4NH3+6NO--->5N2 +6H20 I know the answer but I do not know how to do the problem. The answer in the book is 257g But what do I do? I am not even sure where to start? Thanks

    asked on October 1, 2011
  2. chemistry

    How many grams of MgO are produced when 40.0grams of 02 react with Mg? 2mg+O2--->2mgO Could you please set the problem up? I think the answer is 101, but I do not know how to get that answer. Thank you

    asked on October 1, 2011
  3. chemistry

    Mg3N2 +6H2O- 3Mg(OH)2 + 2NH3-- How many grams of H2O are needed to produce 150g of Mg(OH)2? I thought I had this but.....the correct answer should be 93 grams Where did I go wrong?? 1) Change 150 g Mg(OH)2 into moles by dividing by molar mass from periodic

    asked on October 2, 2011
  4. chemistry

    A wooden object from a prehistoric site has a carbon-14 activity of 10 counts per min.(cpm) compared to 40 cpm for new wood. If carbon-14 has a half life of 5730 years what is the age of the wood? Please get me started. Thank you

    asked on October 19, 2011
  5. Chem

    What is the amount of energy of calories to heat 8.5g of water from 15 C to 36 C? I think you take 8.5g x 21 degree C, but then I am stuck. Thank you

    asked on September 10, 2011
  6. chemistry

    A solution contain 43mEq/L of Cl- and 11 mEq/L of HPO4*2-. If the only cation in the solution is Na+ what is the Na+ concentration if mEq/L? Can you help me with each step to solve this problem?

    asked on October 14, 2011
  7. physics

    A sled is pushed by 12 monkeys with a constant force until it reaches a velocity of 18.9 m/s. All 12 monkeys stop pushing and the sled slides across a rough surface. From the time the monkeys stop pushing the box slides 12.3 meters before it comes to a

    asked on May 9, 2012

    Anna has two aunts, Gertie and Samantha, and one uncle, Jimbo. Jimbo has a nephew on Anna's side of the family, Timothy, who has two children, John and Aubrey. Which of the following indicates the relationship between Timothy's daughter and Anna?

    asked on May 31, 2016
  9. chemistry

    A patient receives 3.0 mL of a solution containing technetium-99m for a breast image. If the activity of the technetium-99m is 9.5mCi/mL what is the dose received by the patient? Answer Choices are: a)29mCi b)3.2mCi c)320uCi d)28.5mCi So I times 3.0mL *

    asked on October 19, 2011
  10. Chemistry

    What is the mass of 36.0mL of a liquid if its density is 2.70g/mL? is the right answer 97.2 g?

    asked on August 30, 2011
  11. chemistry

    a patient receives 250 mL of a 4.0% (m/v) amino acid solution twice a day. a) how many grams of amino acids are in 250mL of solution? b) how many grams of amino acids does the patient receive in one day? For a) I came up w/10g and for b) I came up w/ 20g

    asked on May 4, 2011
  12. chemistry

    calculate the volume(ml) of a 0.215M KOH solution that will completely neutralize each of the following? a) 2.50ml of a 0.825M H2SO4 solution b) 18.5ml of a 0.560 M HNO3 solution c) 5.00mL of a 3.18 M H2SO4 solution

    asked on April 28, 2011
  13. chemistry

    I don't know how to explain or if Ive got my homework answer correct. The question is: A patient on dialysis has a high level of urea, a high level of sodium and a low level of potassium in the blood. Why is the dialyzing solution prepared with a high

    asked on April 14, 2011
  14. MATH

    Al saves pennies . He agrees to give 1/3 of his pennies to Bev if she would give 1/3 of what she got from Al to Carl and if Carl in turn would give 1/3 of what he got from Bev to Danni. Bev, Carl and Danni agreed and recived 9 pennies. hOW MANY PENNIES DID

    asked on November 24, 2014
  15. biology

    why do plants produce far more sugar than they need? why do they not stop photosynthesis once immedaite needs are met?

    asked on October 11, 2009
  16. Algebra

    A golden rectangle has sides of length 1 and x. When a square with side length 1 is removed from the golden rectangle, the remaining rectangle has the same proportions as the original. Solve for x.

    asked on April 1, 2015
  17. grammar

    There is not a book. There are not books. There is no orange. There are no oranges. There is no any book. There are no any books. There is not any book. There are not any books. Could you check to see which of the eight sentences above are right or wrong?

    asked on April 6, 2012
  18. accounting

    __a__ 1. A responsibility center that incurs costs (and expenses) and generates revenues is classified as a(n) a. cost center. b. revenue center. c. profit center. d. investment center. _a___ 2. The most useful measure for evaluating a manager's

    asked on June 29, 2010
  19. Math

    13,012 is divisible by eight true or false

    asked on August 27, 2019
  20. science

    What is , a quarter after four in digital form.

    asked on September 9, 2016
  21. Medical transcription

    I am to figure out the wrong words without hearing any audio. I don't think the "word" is correct in this sentence but I don't know what to replace it with either. PROCEDURE: Excision of 0.5 cm penile words and circumcision.

    asked on November 6, 2013
  22. Chemistry

    What is the correct set up for: How many milligrams are in 67 Kilograms? I think this might be correct but I am unsure. 67kg x (1g/10^3kg) x (1mg/10^-3g) Thank you!

    asked on October 12, 2011
  23. Chemistry

    What are the joules needed to melt 50.0g of ice at 0 degree C and to warm the liquid to 65.0 degree C? Thank YOu

    asked on September 10, 2011
  24. Chemistry

    The average adult has about 9.0 pints of blood. If 20 drops of blood is = to 1 mL. How many drops of blood does the average human contain? Is the answer 85,1400 drops or 85,000 drops or neither? Thanks!

    asked on August 30, 2011
  25. chemistry

    A sample of Nitrogen(N2)& Helium has a volume of 250mL @ 30degrees celsius & a total pressure of 745 mmHg a)If the pressure is 32mmHg what is the partial pressure of the Nitrogen? b) What is the volume of the Nitrogen at STP? Did not understand previous

    asked on March 24, 2011
  26. History

    One of the ironies of World War I was that in a war to make the world safe for democracy, government attacked the civil liberties that make democracy possible.

    asked on October 18, 2010
  27. physics

    water runs into a house through a 5cm pipe.its pressure at entering the house is 1 times 10^5Pa.the faucent on the second floor 2,5cm above where the water enters the house has an inside diameter of 3cm.when the faucent is in use the flow velocity at the

    asked on April 19, 2015
  28. Math

    carl wants to plant a garden that is 1 1/2 yards long and has an area of 3 1/2 square yards. How wide should he make the garden? a. 3/7 yard b. 2 yards c. 2 1/2 yards d. 5 1/4 yards Help please.

    asked on March 12, 2015
  29. science

    Why did a portion of the tabletop get cold when Natasha placed her cold drink on the table? (1 point) The table’s molecules were vibrating more slowly in that area. The table’s molecules had spread further apart in that area. The table’s molecules

    asked on September 25, 2014
  30. psy 315

    using the 5 steps of hypothesis testing begining salary mean =17,016,09,sd7.870 and current salary mean= 34,419.5,7 sd=17,075 with n=474 of employees test statistics = 33.036,p

    asked on July 11, 2014
  31. math

    The cruising speed of a Boeing 767 in still air is 530 mph. Suppose that a 767 is cruising directly east when it encounters an 80 mph wind blowing 40 degrees south of west. Sketch the vectors for the velocities of the airplane and the wind. Express both

    asked on February 17, 2014
  32. Comp156

    I summited my paper and I am still not sure what I am doing wrong. What is biblograpgic text ?

    asked on January 27, 2013
  33. Finance

    Sarah just won a $3,000,000.00 lottery. According to the lottery they will pay her a lump sum of $500,000.00 on October 1, 2012 and the balance in equal annual installments for 10 years. Assuming that you are the director of the lottery, how much must you

    asked on September 25, 2012
  34. american history

    I nee help revising my essay here it is This is what my general view on American History. Well let me tell you it’s a course that we all have to take in high school to graduate. In school we are confronted with American History, state History and general

    asked on February 24, 2012
  35. algerbra 1

    4. Your profit P is determined by subtracting the cost C, the amount of money it costs to operate a business, from the revenue R, the amount of money you earn from selling your product. Profit can be represented algebraically by the equations: Profit =

    asked on November 16, 2011
  36. chemistry

    What is the concentration, mass/vol percent (m/v) of a solution prepared from 50.gNaCl and 2.5L? Do I divide 50.g NaCl/2.5L?? = 20% Thank you!

    asked on October 14, 2011
  37. Chemistry

    How do you work the problem 1:10 dilution of 75mL of 2.5M H2SO4

    asked on April 15, 2011
  38. chemistry

    Just wanted to say thank you to DrBob for responding back even if he wasn't able to answer the question posted on Thur. 4/14/2011. If there is anyone else who can answer I'd appreciate it.

    asked on April 15, 2011
  39. chemistry

    If a car produces 88g of CO2, how many grams of O2 are used up in the reaction?

    asked on March 17, 2011
  40. college algebra

    6x+7y=53 8y-9y= -21 write two equations that have your two intergers as a solution.Addition and subtraction methods

    asked on May 7, 2010
  41. college algebra

    write two equations that have your two intergers as a solution. 5x-y=10 X + 6y=18 addition and subtraction methods

    asked on May 6, 2010
  42. 5th grade

    solve 3 gal 3 qt = _____ qt

    asked on April 19, 2010
  43. ? on Chemistry

    If you have a chemical reaction in equilibrium and add more of the product...what happens to the product's concentration, if it doesn't increase? Does it stay the same or decrease a little? I know the reactants concentration will increase and if it is an

    asked on February 19, 2010
  44. MATH

    two circles whose equations are (x-3)^2+(y-5)^2=25 and (x-7)^2+(y-5)^2=9 intersect in two points. What is the equation of the line passing through these two points? Can anyone please give me some ideas how to do it without graphing it out? THANKS A LOT!

    asked on April 25, 2008
  45. math

    Explain why this mapping is or is not a function 0(pointing to 1) 1 1(pointing to 2) 2 2(pointing to 1) 3(pointing to 2) 4(pointing to 1) A. This is a function because every input maps to only one output. B. This is a function because every output maps to

    asked on November 22, 2019
  46. Science

    Honestly we put an experimental finding is an example of using good blank

    asked on August 27, 2019
  47. Math

    Kim and her sister play a game at the end of the game cam has 65 points at her sister has -12 points what is the difference between Kim store and her sister score

    asked on August 14, 2019
  48. math

    two pieces of bread has a mass of 25 grams total and meat and cheese have a mass of 85 grams total what is the mass of the sandwich in all?

    asked on April 2, 2019
  49. English

    I need help to understand conceptual goals and practical goals: very vague questions provided. The definition I was provided for conceptual goals-you want your audience members to change beliefs and attitudes. The definition I was provided for a practical

    asked on December 25, 2018
  50. English


    asked on December 25, 2018
  51. Math

    A freehold property has recently been let for $25,000 per year. Using the annual in arrears assumption and a capitalisation rate of 6.5%, what is the value? ( Answer: $384,615.38)

    asked on June 5, 2018
  52. Locus

    Find the locus of point P(x, y) that moves so that its perpendicular distance from the line 8x+6y-1=0 is always 5 units.

    asked on October 14, 2017
  53. Math

    Clip company produce different sizes of chocolate bars that are package in equilateral triangular prism here is the 100-g of chocolate bar Height:3.1cm Triangle side: 3.5cm Length: 21cm Calculate the surface area and volume

    asked on May 6, 2017
  54. Equation of planes

    Determine an equation for a plane parallel to, but not touching, the y-axis.n

    asked on March 6, 2017
  55. Vector

    vector PQ is parallel to vector v [-4, -6] and has initial point P(-7,5). Determine the coordinates of Q.

    asked on February 17, 2017
  56. Maths

    A box weighing 20N, resting on a ramp, is kept at equilibrium by a 4-N force at an angle of 20 to the ramp, together with a frictional force of 5N, parallel to the surface of the ramp. Determine the angle of elevation of the ramp.

    asked on February 17, 2017
  57. Math

    I gave 2/3 of my fish to John then 2/5 to Mary how many fish did I start with

    asked on December 12, 2016
  58. math

    52/4 - 4 /5/9=

    asked on October 23, 2016
  59. science

    what is the difference between xylem and phloem?

    asked on October 16, 2016
  60. mathematics, science, accounting

    Can a right-angled prism of clear ice be used for total internal reflection of right through 90degrees, bearing in mind that Ice has a critical angle of 48,8degrees?

    asked on May 16, 2016
  61. Math

    The sum of two numbers is 15. Three times the second number minus four times the first number equals 4. What are the missing variables? Please show your work.

    asked on May 12, 2016
  62. Science

    During a space shuttle landing, a parachute deploys from the back of the shuttle as it taxis down the runway. In addition to the speed brake, the parachute helps the shuttle come to a complete stop. How does the parachute help during this process? A. It

    asked on May 18, 2015
  63. Algebra

    This is for a project for Beginning Algebra at Great Bridge Middle School 8th grade class. Here's the questions: The number of companies offering cell phone service has grown rapidly in recent years. The plans they offer vary greatly and it can be

    asked on March 14, 2015
  64. math

    Nokia school day last 7 hours and 20 minutes how many minutes does Nikki's school day last explain how you found the answer

    asked on March 4, 2015
  65. HSM/220

    Having trouble with Appendix C creating a budget using 1.6 million dollars

    asked on February 23, 2015
  66. Physics

    3Mhz = 2db Attenuation in 1cm. What is attenuation of 6 MHz, 0.5 of same tissue? Again,(sorry, but thank you) I know the answer is 2 db, but I do not understand how? Can you explain?

    asked on October 27, 2014
  67. Physics

    Intensity of 4Mhz in 1.54mm = 2W/cm2 at 4cm intensity =? I know the answer is 0.32, but I do not understand why. Can you please explain? I did figure out that Attenuation= 8db. 4/2 x 4cm = 8db. Thank you in advance. I appreciate it!

    asked on October 27, 2014
  68. science

    You are running from a zombie with a velocity of 2.5 m / s. If you run for 1500 meters and have a mass of 61.4 kg, how much work have you done?

    asked on October 19, 2014
  69. Business math

    Calculate the cash discount and the net amount due for the following transaction. Amount of Invoice Terms of Sale Cash Discount Net Amount Due $12,660.00 2/10, n/45 $ $

    asked on September 28, 2014
  70. Science

    Felipe made a toy boat out of clay, but it kept sinking in water. He changed the boat's design by making it slightly wider than before. Why did Felipe's newly designed boat float on water? A. He decreased the density by increasing the volume. B. He

    asked on September 23, 2014
  71. Mucic

    which skill helps a musician sing or play exercises or musical passages accurately without repeated practice Music - Connie, Thursday, September 18, 2014 at 7:25pm PLEASE HELP Music - Connie, Thursday, September 18, 2014 at 7:48pm PLEASE HELP Ms.Sue Music

    asked on September 18, 2014
  72. Music

    which skill helps a musician sing or play exercises or musical passages accurately without repeated practice

    asked on September 18, 2014
  73. math

    what is 1 fourth times 8

    asked on September 18, 2014
  74. psy 315

    using the 5 steps of hypothesis testing begining salary mean =17, 016,09,sd7.870 and current salary mean= 34,419.57 sd=17,075 with n=474 of employees

    asked on July 11, 2014
  75. subject/verb agreement

    There is/are positive bowel sounds.

    asked on January 27, 2014
  76. Medical transcription

    Apostrophe placement.. He had 3 courses’ of chemo-radiation and was felt to be free of disease after completion of that treatment. He had moderate neutropenia and anemia afterward’s. He was referred for follow up radiation therapy and has been

    asked on November 3, 2013
  77. Medical transcription

    checking grammar Review of the sleep questionnaire indicates that the patient had a trend oximetry done 2 years ago and was placed on 9 cm of CPAP. The patient notes that he has not seen much change with the use of it. His father has a history of the same.

    asked on November 3, 2013
  78. Chemistry

    If lava can flow 1.5 km in 45 minutes, how do I figure how long it takes to go 5.0 km. It traveled 33 m per minute.

    asked on September 1, 2013
  79. organizational behavior

    Both philosophy and vision are somewhat hazy concepts

    asked on August 13, 2013
  80. Math

    A wheel made 123 revolutions per minute. How many minuted did it rotate?

    asked on May 9, 2013
  81. Chem

    If you need 2.74 moles of acetic acid how many liters of your vineger must you take

    asked on April 28, 2013
  82. Math 7

    What type of angle is angle x is clock is used to display the time of 7:15. Each minute represents 6 degrees A. Obtuse B. Acute C. Straight D. Right

    asked on April 2, 2013
  83. macroeconomics

    assume that American rice sells for 100.00 per bushel, japanese rice sells for 16,000 yen per bushel, and the exchange rate is 80 yen per 1 dollar. what would be your profit per bushel of rice, and how you can make a profit in this situation

    asked on March 14, 2013
  84. math

    is 4w-121w^3 factorable?

    asked on February 4, 2013
  85. Math

    A ladder leans against a vertical wall and the top of the ladder is sliding down the wall at a constant rate of 1/2 ft/sec. At the moment when the top of the ladder is 16 feet above the ground, the bottom of the ladder is sliding away from the wall

    asked on December 9, 2012
  86. business

    What are the basic assumptions made in consumer theory and how do they affect managerial decision-making?

    asked on November 25, 2012
  87. Poetry/ENG 142/Ivy Bridge

    I'm trying to form an arguement based on the following poem does anyone have any ideas on how I could do that effectively? TO HELP THE MONKEY CROSS THE RIVER, which he must cross, by swimming, for fruit and nuts, to help him I sit, with my rifle, on a

    asked on November 4, 2012
  88. math

    what is the prime factorization of 42.

    asked on September 20, 2012
  89. math

    list all the factors of 48

    asked on September 20, 2012
  90. math


    asked on September 20, 2012
  91. math

    what is the lcm of 24 and 48

    asked on September 20, 2012
  92. math

    there were 32 cookies and 48 carrots served,each cast memebers had the same number of whole cookies and the same number of whole carrots.nothing was left over .what was the most cast members that could have been at the party?

    asked on September 20, 2012
  93. math

    if one sign binks every 7 seconds and the other sign blinks every 9 seconds in how may seconds will they blink together again?

    asked on September 20, 2012
  94. math 116

    need help with the final

    asked on September 20, 2012
  95. statistics

    how do you design an experiment that uses a repeated measures design

    asked on August 23, 2012
  96. Pre- Calculus

    An antenna is located at the top of a building 1000 ft tall. From a point on the same horizontal plane as the base of the building, the angles of elevation from the top and the bottom of the antenna are 65.8 degrees and 62.6 degrees respectively. How tall

    asked on April 27, 2012
  97. Algebra 1

    REINY, Thank you for your answer and the answer is obviously correct when you go back and do the multiplying ......however , I do not just want the answer, I desperately wish to understand from start to finish how you got the answer. I am sorry if I seem

    asked on March 15, 2012
  98. Algebra 1

    solve if x=student price and y =adult price and 2y + 5x=77 and 2y + 7x=95 what are the price for admission for both adult and child

    asked on March 15, 2012
  99. math

    solve if x=student price and y =adult price and 2y + 5x=77 and 2y + 7x=95 what are the price for admission for both adult and child

    asked on March 13, 2012
  100. algebra

    Evaluate T(x)=x^5-3x^4+4x+7 to find the exact value of T(-2.5)

    asked on March 13, 2012


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