Popular questions and responses by franklin
  1. Chemistry

    0.222g Of A Divalent Metal Is Deposited When A Current Of 0.45 Amperes Is Passed Through A Solution Of It's Salt For 25 Minutes Using Appropriate Electrodes. Calculate The Relative Atomic Mass Of The Metal. (1 Faraday =96500c/mol)

    asked on June 27, 2017
  2. Chemistry

    When a diprotic acid, H2A, is titrated by NaOH, the protons on the diprotic acid are generally removed one at a time, resulting in a pH curve that has the following generic shape. (a) Notice that the plot has essentially two titration curves. If the first

    asked on March 7, 2013
  3. physics

    1. A certain projectile is launched with an initial speed v0. At its highest point its speed is v0/6. What was the launch angle? 2. The "hang time" of a punt is measured to be 3.50 s. If the ball was kicked at an angle of 61.0° above the horizontal and

    asked on October 3, 2012
  4. Chemistry

    For How Long Must A Current Of 1.5 Ampere Be Passed Through An Aqueous Solution Of A Copper Salt During Electrolysis In Order To Deposit 2.50g Of Copper (cu=63.5)

    asked on June 27, 2017
  5. physics

    a man can row a boat at 5km/hr. in still water and waits to cross a river to a position exactly opposite his starting point. If the river is 5km wide and is flowing at 4km/hr. eastwards find by scale drawing the direction in which he must set off in order

    asked on June 9, 2017
  6. algebra

    Use the five steps for problem solving to answer the following question. Please show all of your work. The average of two quiz scores is 81. If one quiz score is six more than the other quiz score, what are the two quiz scores?

    asked on October 29, 2010
  7. Chemistry

    (ii) between 0 and 100.0 mL NaOH added H2A H2O HA - Na+ A2- OH - (iii) 100.0 mL NaOH added H2A H2O HA - Na+ A2- OH - (iv) between 100.0 mL and 200.0 mL NaOH added H2A H2O HA - Na+ A2- OH - (v) 200.0 mL NaOH added H2A H2O HA - Na+ A2- OH - (vi) after 200.0

    asked on March 8, 2013
  8. Chemistry

    When sodium Metal is dropped into water, all the metal reacts in the equation shown below. What mass of hydrogen is liberated from a 46.0 gram piece of sodium? 2Na(s)+2H2O(I) > 2NaOH(aq)+H2(g)

    asked on January 13, 2012
  9. Chemistry

    0.717 g of a compound containing carbon, hydrogen, and oxygen is burned and found to produce 1.02 g CO2 and 0.624 g H2O. The molar mass of the compound is 124 g/mol. (a) Write a chemical equation for the combustion of this unknown hydrocarbon. (b)

    asked on August 24, 2011
  10. Chemistry

    Find the pH and volume (mL) of 0.447 M HNO3 needed to reach the equivalence point(s) in titrations of each of the following. (a) 2.65 L of 0.0950 M pyridine (C5H5N) pH volume Answer = 563 mL (b) 0.188 L of 0.250 M NH3 pH volume Answer = 105 mL I can't

    asked on March 7, 2013
  11. algebra

    Company A charges $55 per day plus $0.35 per mile to rent a car. Company B charges $50 per day plus $0.40 per mile. Jack wants to rent a car for three days. How many miles should Jack be traveling so that Company A is less expensive than Company B?

    asked on October 30, 2010
  12. chemistry

    Determine the theoretical and percent yield of hydrogen gas if 78.5 g water undergoes electrolysis to produce hydrogen and oxygen and 3.63 g hydrogen is collected?

    asked on January 25, 2012
  13. neuroscience

    In a laboratory, scientists often study neurons in isolation, outside of a living creature, in a dish. In this setting, one can have a good deal of control over the local ionic environment in which the cell exists, because we can control the makeup of the

    asked on January 6, 2014
  14. Math

    The forth term of an A.P is four times the first term. The sixth term is sixty, find the sum of 30 terms, common difference, and the first term.

    asked on January 28, 2020
  15. middle school

    Two news helicopters are flying in the same altitude on the way to a political rally. Helicopter A is due 20 miles west of the rally. Helicopter B is 15 mies south and 15 miles each. How far apart is each helicopter? How far from the rally is each

    asked on May 5, 2010
  16. algebra

    A mountain drops 90 feet over a horizontal distance of 875 feet. What is the slope of the mountain? Round your answer to two decimal places.

    asked on November 4, 2010
  17. algebra

    show the algebraic inequality The profit for a company is determined by the equation y = 0.02x – 0.30, where y represents the profit and x represents the number of items sold. How many items must be sold so that the profit will be at least $4000?

    asked on November 9, 2010
  18. algebra

    Write the slope-intercept equation for the line that passes through(4,3) and has slope 5/4

    asked on November 9, 2010
  19. algebra

    write an equation of the line containing the specified point and perpendicular to the indicated line (-2,-5), x-2y=3

    asked on November 7, 2010
  20. science

    a body isdisplacedthrougha certaindistance X by a forceof 30n. if the work done is 100 and the displacement isi in the directionof force . What is the value of x

    asked on January 21, 2019
  21. algebra

    Write the slope-intercept equation for the line that passes through(4,3) and has slope 5/4

    asked on November 10, 2010
  22. algebra

    If the first and third of three consecutive odd integers are added, the result is 69 less than five times the second integer. Find all three integers.

    asked on November 8, 2010
  23. algebra

    Write the equation for this situation: the value, v, in hundreds of dollars, of Bob’s stamp collection is 12 dollars more than 1/3 of the age, t (in years). Then graph the equation and use the graph to determine the value of Debbie’s coin collection if

    asked on November 4, 2010
  24. Physics

    Aqua dude can swim at a speed of 2.0m/s in still water. A river is 48 m wide and has a current of 1.5 m/s [E]. He starts at the Southbank and swims so that he is always headed directly across the river. A) what is Aqua dudes velocity relative to the shore?

    asked on November 22, 2014
  25. financial investment homework

    Hi, My name is Franklin. I have a question on financial investment. Sue and Tom Wright are assistant professors at the local university. They each take home about $40,000 per year after taxes. Sue is 37 years of age, and Tom is 35. Their two children, Mike

    asked on December 2, 2006
  26. math

    Suppose that the mosquito population of the world is 36000000 and that these mosquitoes can be packed into a cubic box with no space wasted. If the average volume of the mosquito is 6mm^3,how long would the edge of the box have to be?

    asked on August 22, 2016
  27. college

    write an equation of the line containing the specified point and perpendicular to the indicated line (-2,-5), x-2y=3

    asked on November 7, 2010
  28. flagahan high

    why can small cells exchange substances more readily than large cells?

    asked on February 11, 2010
  29. accounts


    asked on January 17, 2010
  30. Science

    (A)Briefly described how a solar dryer is used. (B) "The sim is considered as the ultimate source of almost all the world's energy?" Discuss the statement

    asked on November 3, 2017
  31. algebra

    how do I write an equation of the line containing the specified point and perpendicular to the indicated line (-2,-5), x-2y=3

    asked on November 7, 2010
  32. algebra

    Given the linear equation y=1/3x-3, find the y-coordinates of the points (-6, ), (-3, ), and (6, )

    asked on November 6, 2010
  33. algebra

    is (5/6,-2) a solution for -6x-7y=9

    asked on November 5, 2010
  34. algebra

    The volume of a rectangular slab of concrete needs to exceed 72 cu. ft. If the length is 12 feet and the width is 8 feet, how thick does the concrete slab need to be?

    asked on October 30, 2010

    write a 1-2 page essay explaining how one of the following groups have addressed issues of cost control. healthcare, united states goverment and insurance

    asked on October 11, 2010
  1. science

    online casino slots casino g casino online for fun online casino slots

    posted on March 4, 2019
  2. social studies

    mrs.sue is just tring to help the right way

    posted on February 11, 2019
  3. Algebra

    MATH SUCKS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    posted on October 18, 2018
  4. Math

    You know 3/4 of the members wear glasses and members who don't wear glasses 1/3 are male. Make a model 4 boxes. Split the 4 boxes into 3s one of the thirds fill in one. Now make your fraction that's your awnser you should of got 1/12

    posted on December 5, 2017
  5. math

    i don't no!!!!!!!!!!!!!!!!!

    posted on October 12, 2016
  6. neuroscience

    Second Question: What is the Nernst potential for Cl- in DMEM at 37C?! Check the best option! • 80 mV! • -80 mV! • 61 mV! • -61 mV! Third question: What is the Nernst potential for Na+ in DMEM at 37C?! Check the best option! • 73 mV! • -73 mV!

    posted on January 6, 2014
  7. Chemistry

    Dr. Bob, you are amazing.I was completely stuck. Thank you so much!

    posted on March 8, 2013
  8. Chemistry

    The [NaOH] was never given in the question. Only the total mL.

    posted on March 8, 2013
  9. Chemistry

    Sorry, I forgot the question. For the following volumes of NaOH added, list the major species present after the OH - reacts completely. I feel like I'm always missing something. For example, I thought (ii) was H2A HA- OH - and H2O,but it was wrong

    posted on March 8, 2013
  10. Chemistry

    Thank you!

    posted on March 8, 2013
  11. Chemistry

    never mind, I figured this one out. Thanks!

    posted on March 7, 2013
  12. pre-algebra

    Least to greatest. 1/5,4/10,2/4,5/10,4/5

    posted on November 1, 2012
  13. Maths

    2/3 divided by 5 is 2/3 x 1/5 = 2/15. Now Bob eats twice as much as the others, therefore you may view it as if you were to divide something in three parts, Bob eat two of those parts. Final Answer: 2/3 * 2/15 = 4/45 OptimalLearningSolutions @ gmail

    posted on July 23, 2012
  14. math

    The Arithmetic progression?

    posted on February 24, 2012
  15. algebra

    thank you, that is actually how the word problem was phrased.

    posted on November 9, 2010
  16. algebra

    thank you

    posted on November 8, 2010
  17. college

    thank you

    posted on November 7, 2010
  18. algebra

    would I replace the word "thickness" with 96? 12*8*96 > 72?

    posted on October 30, 2010
  19. algebra

    n + n + n + 6 = 81 * 2 3n + 6 = 162 - 6 3n = 156 n=156/2 n=78 this isn't right what am I doing wrong?

    posted on October 29, 2010
  20. algebra

    ok give me a second or longer, thanks

    posted on October 29, 2010
  21. algebra

    familiarize, translate, carry out, check and state

    posted on October 29, 2010
  22. MATH Prob.

    red maedle on the first draw.

    posted on August 12, 2009