Dalton

Most popular questions and responses by Dalton
  1. math

    A heated piece of metal cools according to the function c(x) = (.5)x − 11, where x is measured in hours. A device is added that aids in cooling according to the function h(x) = −x − 3. What will be the temperature of the metal after five hours?

    asked on October 4, 2015
  2. Physics

    Small, slowly moving spherical particles experience a drag force given by Stokes' law: Fd = 6πηrv where r is the radius of the particle, v is its speed, and η is the coefficient of viscosity of the fluid medium. (a) Estimate the terminal speed of a

    asked on February 1, 2017
  3. chemistry

    A voltaic cell consists of a standard hydrogen electrode in one half-cell and a Cu/Cu2+ half-cell. Calculate [Cu2+] when E cell is 0.070 V. NOTE::::::::::::::::::::ANSWER IN SCTIENTIFIC NOTATION PLEASE!!! thank you!

    asked on November 20, 2015
  4. math

    my ones digit is 5 more than my tens digit. i am greater than 25 and less than 35

    asked on September 5, 2011
  5. chemistry

    In many residential water systems, the aqueous Fe3+ concentration is high enough to stain sinks and turn drinking water light brown. The iron content is analyzed by first reducing the Fe3+ to Fe2+ and then titrating with MnO4- in acidic solution. Fe2+(aq)

    asked on November 14, 2015
  6. Chemistry

    Styrene is produced by catalytic dehydrogenation of ethyl- benzene at high temperature in the presence of superheated steam. (a) Find ÄH°rxn, ÄG °rxn, and ÄS °rxn, given these data at 298 K: (b) At what temperature is the reaction spontaneous? What

    asked on November 7, 2015
  7. chemistry

    Styrene is produced by catalytic dehydrogenation of ethyl- benzene at high temperature in the presence of superheated steam. (a) Find ÄH°rxn, ÄG °rxn, and ÄS °rxn, given these data at 298 K: (b) At what temperature is the reaction spontaneous? What

    asked on November 8, 2015
  8. Chemistry

    The overall cell reaction occurring in an alkaline battery is: Zn(s) + MnO2(s) + H2O(l) ---> ZnO(s) + Mn(OH)2(s) a) How many moles of electrons flow per mole of reaction?...answer: 2. Mol e-Note: b) If 6.09g of zinc is oxidized, how many grams of manganese

    asked on November 21, 2015
  9. physics

    A bookshelf is at rest in a room. A force of 35.0 newtons is applied to a bookshelf. If the floor imparts a frictional force of 2.90 newtons, what is the net force acting on the bookshelf? 37.9 newtons 32.1 newtons 33.1 newtons 35.0 newtons 50.5 newtons

    asked on May 2, 2014
  10. Spanish

    Instructions: Modifique el párrafo por cambiar las palabras entre comillas al tiempo FUTURO. Modelo: Mi familia ‘va a visitar’ a nuestros abuelos este verano. Mi familia visitará a nuestros abuelos este verano. 1. Este año ‘vamos a hacer’ una

    asked on April 4, 2016
  11. Physical science

    A rock is dropped from a height of 60 m and is in free fall. What is the velocity of the rock as it reaches the ground 3.5 seconds later?

    asked on October 8, 2013
  12. Chemistry II - Concentrations

    At 30.°C, the concentration of hydronium (H3O^+) ions in an aqueous solution is 1.1 ✕ 10^−9 M. (Note: At 30.°C, the ion-product constant for water is 1.46 ✕ 10^−14.) (a) What is the concentration of hydroxide (OH^−) ions in this

    asked on February 28, 2018
  13. chemistry

    Styrene is produced by catalytic dehydrogenation of ethyl- benzene at high temperature in the presence of superheated steam. (a) Find ÄH°rxn, ÄG °rxn, and ÄS °rxn, given these data at 298 K: (b) At what temperature is the reaction spontaneous? What

    asked on November 9, 2015
  14. Spanish

    Instructions: Modifique el párrafo por cambiar las palabras entre comillas al tiempo FUTURO. Modelo: Mi familia ‘va a visitar’ a nuestros abuelos este verano. Mi familia visitará a nuestros abuelos este verano. 1. Este año ‘vamos a hacer’ una

    asked on April 4, 2016
  15. chemistry Dr BOB

    In many residential water systems, the aqueous Fe3+ concentration is high enough to stain sinks and turn drinking water light brown. The iron content is analyzed by first reducing the Fe3+ to Fe2+ and then titrating with MnO4- in acidic solution. Fe2+(aq)

    asked on November 15, 2015
  16. Chemistry Dr. BOB

    In many residential water systems, the aqueous Fe3+ concentration is high enough to stain sinks and turn drinking water light brown. The iron content is analyzed by first reducing the Fe3+ to Fe2+ and then titrating with MnO4- in acidic solution. Fe2+(aq)

    asked on November 15, 2015
  17. Health

    The U.S. government categorizes body weight status as ________. A. Underweight, healthy weight, overweight, obese B. Healthy, unhealthy C. Underweight, healthy, overweight D. Thin, healthy, heavy, obese

    asked on March 17, 2015
  18. English 3

    The subject of "Game" can best be described as: a. survival of the fittest b. the dehumanization of humans c. the profound childishness of adults d. the need for discipline in the armed forces I picked a

    asked on March 21, 2013
  19. Chemistry

    According to the following reaction, how many moles of water will be formed upon the complete reaction of 22.6 grams of hydrochloric acid with excess iron(III) oxide?

    asked on December 2, 2009
  20. chemistry

    Styrene is produced by catalytic dehydrogenation of ethyl- benzene at high temperature in the presence of superheated steam. (a) Find ÄH°rxn, ÄG °rxn, and ÄS °rxn, given these data at 298 K: (b) At what temperature is the reaction spontaneous? What

    asked on November 9, 2015
  21. Health

    For adults, which ranges below reflect an accurate BMI category? A. If your BMI is less than 18.5, it falls within the obese category B. If your BMI is 18.5-24.9, it falls within the normal or healthy weight category C. If your BMI is 25-29.9, it falls

    asked on March 18, 2015
  22. Physics

    The radius of curvature of a loop-the-loop for a roller coaster is 11.8 m. At the top of the loop (with the car inside the loop), the force that the seat exerts on a passenger of mass m is 0.80mg. Find the speed of the roller coaster at the top of the

    asked on February 14, 2017
  23. chemistry

    Styrene is produced by catalytic dehydrogenation of ethyl- benzene at high temperature in the presence of superheated steam. (a) Find ÄH°rxn, ÄG °rxn, and ÄS °rxn, given these data at 298 K: (b) At what temperature is the reaction spontaneous? What

    asked on November 9, 2015
  24. Chemistry

    According to the following reaction, how many moles of water will be formed upon the complete reaction of 22.6 grams of hydrochloric acid with excess iron(III) oxide? hydrochloric acid (aq) + iron(III) oxide (s)--> water (l) + iron(III) chloride (aq)

    asked on December 2, 2009
  25. physics HELP

    Consider a coaxial cable with 2Amps in the center conductor coming out of the page, and 1Amp in the outer conductor going into the page. The center conductor has a radius of 1mm, the outer conductor's inner radius is 2mm, and the outer conductor's outter

    asked on April 7, 2014
  26. College Algebra

    What do I do to graph: (x-2)^2+(y-4)^2=9

    asked on September 13, 2012
  27. Calculus

    A particle travels along the x-axis so that its velocity is given by v(t)=cos3x for 0

    asked on January 10, 2012
  28. Math

    The tortoise can walk 3/5 of a mile in 1/2 of an hour. How many miles can he walk in 1 hour?

    asked on November 30, 2015
  29. pre algebra

    IN the question 20-2.7+1+(3)+10 am I right when I PEMDAS 20-14+4+10= 20-28=-8?

    asked on August 26, 2015
  30. Health

    What can spark weight concerns for girls and impact their eating habits in potentially unhealthy ways? A. High self-esteem B. Maintaining a healthy weight C. Peer pressure to look a certain way D. Positive reinforcement from parents about how one looks I

    asked on March 19, 2015
  31. Health

    What are eating disorders? A. An illness that causes little disturbance to a person’s everyday diet B. An illness that causes serious disturbances to a person’s everyday diet C. An illness that leads to starvation D. An illness that leads to binging I

    asked on March 18, 2015
  32. Health

    ________ physical activity and ________ time spent in sedentary behaviors. A. Increase; increase B. Reduce; increase C. Increase; reduce D. Reduce; reduce I got C.

    asked on March 17, 2015
  33. Chemistryy

    Identify the observations of Ernest Rutherford's experiment with the gold foil. Where he experimented on alpha particles and deflection. Check all that apply.... 1) a positive charge is spread equally over the atom 2) THE MAJORity of the space inside the

    asked on August 29, 2011
  34. 5th grade

    could you help explain unstressed syllables? Homework is to underline the unstressed syllable or syllables. Examples of words dozen, spinach. ext. thanks

    asked on March 10, 2009
  35. Scince

    Endangered Species http://www.google.com/search?as_q=&hl=en&num=10&btnG=Google+Search&as_epq=endangered+species&as_oq=&as_eq=&lr=&as_ft=i&as_filetype=&as_qdr=all&as_nlo=&as_nhi=&as_occt=title&as_dt=i&as_sitesearch=&as_rights=&safe=images

    asked on June 4, 2007
  36. Health

    Examples of foods with empty calories include: A. Lima Beans B. Broccoli C. Sweetened applesauce D. Watermelon I say D. or B.?

    asked on March 17, 2015
  37. Social Studies

    what is one freedom that American democracy has today that was clearly not recognized in the Roman Empire

    asked on December 4, 2012
  38. calculus

    the edges of a cube are increasing at the rate of 5 in/min. How fast is the volume changing when each side is 4 in.

    asked on November 4, 2012
  39. Math

    1. Which is equal to (square root 5)^3? a. 5^3/2 b. 5^2/3 c. 5^1/3 d. 5^1/6

    asked on February 28, 2012
  40. algebra

    what is 2/7(4M-18)=12

    asked on September 14, 2011
  41. physics

    A driver in a car traveling at a speed of 59 mi/h sees a deer 104 m away on the road. Calculate the minimum constant acceler- ation that is necessary for the car to stop without hitting the deer (assuming that the deer does not move in the meantime).

    asked on August 11, 2010
  42. math

    what is 38% of $40.00?

    asked on April 21, 2010
  43. Science

    How fast would a 20gram marble have to go to travel 9.5 inches. (Flat surface)

    asked on July 25, 2016
  44. Health

    What are common symptoms of stress? A. Short temper B. Low morale C. Headaches D. All of the above I pick D. All the above

    asked on March 19, 2015
  45. Health

    The National Weight Control Registry found in their research that those who had maintained a significant weight loss reported improvements in ________. A. Physical health and energy levels only B. Stress reduction and general health C. Physical health,

    asked on March 18, 2015
  46. Health

    Healthy pregnant and postpartum women should get at least ________ of moderate-intensity aerobic activity a week. A. 200 minutes B. 150 minutes C. 60 minutes D. 30 minutes I got D.

    asked on March 16, 2015
  47. health

    If you are overweight or obese, getting active can help you lower your risk of?

    asked on March 16, 2015
  48. geometry

    A company packages it's cereal in a rectangular prism that is 2.5 inches by 7 inches by 12 inches. It is considering packaging it in a cylinder- shaped container having a 6 inch diameter and a height of 7.5 inches. Which used the least amount of packaging?

    asked on April 15, 2014
  49. health

    can a person be infected with HIV but not exhibit AIDS?

    asked on May 9, 2010
  50. Health

    When does body image typically become a concern for boys? A. When playing with friends in the neighborhood B. When they struggle with body changes C. When they fail a test at school D. All of the above I pick B. but I really don`t know?

    asked on March 19, 2015
  51. Health

    In striving to meet the 2010 Dietary Guidelines for Americans, one should consume fewer foods with ________. A. Added sugars B. Trans fats C. Sodium D. All of the above i got B?

    asked on March 17, 2015
  52. physics HELP

    A long, ideal solenoid has a diameter d=12cm and n=1200turns/meter carrying current I=20A. If the current is lowered at 4.33amp/s to zero, what is the magnitude of the induced electric field in V/m at a position 8.2cm from the solenoid's axis (so at a

    asked on April 7, 2014
  53. physics

    A long, ideal solenoid has a diameter d=12cm and n=1200turns/meter carrying current I=20A. If the current is lowered at 4.33amp/s to zero, what is the magnitude of the induced electric field in V/m at a position 8.2cm from the solenoid's axis (so at a

    asked on April 7, 2014
  54. physics

    100turns of insulated wire are wraped around a wooden cylindrical core of cross-sectional area 12cm2. The two ends of the wire are connected to a resistor. The total circuit resistance is 13Ω. If an externally applied uniform magnetic field along the core

    asked on April 7, 2014
  55. Math

    what would be a set of 12 numbers that have the landmarks: maximum 8 range 6 mode 6 median 5

    asked on October 2, 2011
  56. geometry

    if x, x+3 and y are the lenghts of the sides of a triangle then _

    asked on December 13, 2010
  57. health

    is HIV the primary cause of death in people with AIDS?

    asked on May 9, 2010
  58. history

    what problems did Nigeria encounter after oil was discovered there?

    asked on May 6, 2010
  59. math

    what combination of seven coins totals 27 grams?

    asked on April 21, 2010
  60. Technical Math

    What is the square root of 5 divided by the square root of 3?

    asked on April 12, 2010
  61. Science

    I need a recipe to make a mesopotaimian brick

    asked on November 9, 2008
  62. Physical Scinece

    A Measurement is defined as_. a. system of prefixes b. the distance between two points c. an exact quantity people agree to use for comparison d. the interval between two events

    asked on October 9, 2007
  1. english

    All of these things are doo doo

    posted on December 10, 2018
  2. Languge Arts

    I just don't understand on why to write and I have no idea what to do.

    posted on February 10, 2018
  3. English

    take

    posted on January 30, 2018
  4. math

    2 5

    posted on December 7, 2017
  5. Government

    smoke weed

    posted on April 15, 2016
  6. Biology

    It's Pretty Simple if you think about it, when it comes to DNA strands it just are its opposites, so it would be T=A A=T C=G G=C However when itis mRNA strands the A=T Turns into A=U so if this was a DNA it would look like A-A-G-C-G-A-C-T-T but as a mRNA

    posted on December 15, 2015
  7. Biology

    I's Pretty Simple if you think about it, when it comes to DNA strands it just are its oppsoites, so it would be T=A A=T C=G G=C However when itis mRNA strands the A=T Turns into A=U so if this was a DNA it would look like A-A-G-C-G-A-C-T-T but as a mRNA

    posted on December 15, 2015
  8. Chemistry

    I figured it out...it's 1.79 x 10^4

    posted on November 22, 2015
  9. spanish

    nos dan.

    posted on November 16, 2015
  10. Spanish

    quieras. gane. puedan.

    posted on November 16, 2015
  11. Spanish

    1.Yo voy a usar 2. Pude

    posted on November 16, 2015
  12. Chemistry Dr. BOB

    Sorry....I wrote it so many times on accident.

    posted on November 15, 2015
  13. Chemistry

    data: Given the following data, what is the delta Hrxn, delta Grxn and delta Srxn at 298 K. Ethylbenzene, C6H5--CH2CH3 : delta Ht = -12.5 kJ/mol, delta Gt = 119.7 kJ/mol and S = 255 J/mol*K Styrene, C6H5--CH==CH2 : delta Ht = 103.8 kJ/mol, delta Gt = 202.5

    posted on November 7, 2015
  14. Health

    Thanks!!!

    posted on March 19, 2015
  15. Health

    Thanks

    posted on March 19, 2015
  16. Health

    Thanks

    posted on March 18, 2015
  17. Health

    Thanks for all yalls help and I did read it that`s why I got B. as my answer. Thanks again.

    posted on March 18, 2015
  18. Health

    B?

    posted on March 18, 2015
  19. Health

    Is it B or C because I don`t think its D?

    posted on March 18, 2015
  20. Health

    Sorry Mr.Reed. And thanks to both of you.:)

    posted on March 18, 2015
  21. Health

    thanks!!!!!!!!!!

    posted on March 17, 2015
  22. Health

    It just has a list of foods and their groups.

    posted on March 17, 2015
  23. Health

    PLZZZ Help!!!!!

    posted on March 17, 2015
  24. Health

    Thank you so much.

    posted on March 17, 2015
  25. Health

    It talks about overweight and underweight but there is two answers for that A or C? I`m not trying to guess cause I want help.if you know what i`m saying?

    posted on March 17, 2015
  26. Health

    Guessing C.

    posted on March 17, 2015
  27. Health

    I did thanks again.

    posted on March 17, 2015
  28. Health

    thanks

    posted on March 17, 2015
  29. Health

    I was thinking B. but i don`t want the wrong answer.

    posted on March 17, 2015
  30. Health

    i tried the link and i got B thanks.

    posted on March 16, 2015
  31. Health

    it just says frequently.

    posted on March 16, 2015
  32. Art

    I got B to if wrong than C.

    posted on March 16, 2015
  33. health

    Thank you so much i will defiantly be coming back for help.

    posted on March 16, 2015
  34. health

    I`m guessing B. Stroke but I don`t want to get it wrong.

    posted on March 16, 2015
  35. health

    A. Leukemia B. Stroke C. Alzheimer’s disease D. High self-esteem

    posted on March 16, 2015
  36. pre algebra with pizzazz 239

    3x-y=4 x=4y-17 3(4y-17)-y=4 12y-51=4 11y=55 y=5 x=4(5)-17 x=20-17 x=3 Answer-(3,5)

    posted on January 23, 2015
  37. 8th Grade

    I think you should put homework list, joke list, and even booty list

    posted on December 3, 2014
  38. art history

    Which of Michelangelo's sculptures is a metaphor for courage, determination, and strength?

    posted on November 4, 2014