1. Physics

    What average force is required to stop an 1600 -kg car in 8.0 s if the car is traveling at 80 km/h?

    asked by Katie on October 11, 2010
  2. To Ms. Sue

    How do I calculate how much grain is required to feed you through the chicken you ate for dinner? And is it necessary to really try and calculate it?

    asked by devon on July 14, 2009
  3. chemistry

    how many joules of energy are required to raise 150.0g of water from 15.0 degrees to 45 degrees

    asked by Anonymous on September 27, 2012
  4. math

    Bethany has 43 apples. Write a subtraction story about the apples that would required regrouping.

    asked by alma on August 10, 2011
  5. Chemistry

    How many grams of bromine are required to react completely with 37.4 grams aluminum chloride?

    asked by Alejandra on March 22, 2013
  6. Chemistry

    How much heat is required to change 2.5kg of ice at 0.0 degrees C to water at 50 degrees C?

    asked by Cat on October 20, 2010
  7. Chemistry

    How much heat is required to change 10 g of ice at 0o deg C to steam at 100 deg. C?

    asked by Mari on February 24, 2010
  8. Chemistry

    Calculate the volume of 0.5 molar HCl required to titrate 22ml of 0.5 molar Ba(OH)2

    asked by Sushmita on November 12, 2017
  9. chemistry

    How many grams of sodium hydroxide are required to prepare 500 mL of 0.500 M NaOH?

    asked by Maddy on February 22, 2011
  10. physics

    What average force is required to stop an 1300 -kg car in 9.0 s if the car is traveling at 90 km/h?

    asked by cindy on September 21, 2010
  11. Lone Peak High

    How much of a stock (18.5 M) HCl solution would be required to make 100mL of 0.025 M HCl?

    asked by Annie on June 7, 2014
  12. chemistry

    what are the step by step methods that are required in adding Na2CO3 to a tank of water ?

    asked by bash on January 13, 2016
  13. Chemistry

    Given the reaction: Ni (s) + 4 CO (g)  Ni(CO)4 (g) E = –154 kJ, how many kilograms of CO are required for this reaction to release 756 kJ of energy?

    asked by justin on August 20, 2013
  14. math

    2/3 cups of milk are required for 6 pancakes. a. How much milk is needed to make 1 pancake?

    asked by as on October 22, 2015
  15. chemistry

    Determine the volume (in mL) of a 0.184 M CaCl2 solution that would be required to obtain 73.4 g of CaCl2.

    asked by jessica on April 23, 2010
  16. chemistry

    500ml of 0.1M CaCl2 is required for protimes. How many grams of CaCl2 * H2O should you weight out?

    asked by j on September 6, 2010
  17. chemistry

    If 45 mL of .25 M HCl is required to completely neutralize 25.o mL of NH3, what is the concentration of the NH3 solution?

    asked by baker on September 3, 2012
  18. Chemistry

    How+much+zinc+%28density+7.14+g%2Fcm3%29+is+required+to+produce+13+grams+of+zinc+chloride

    asked by Brenda on April 18, 2016
  19. CHEMISTRY

    2HBr+Mg(OH)2 -> MgBr2+2H2O how many mL of a 0.2 M HBr solution is required to react with 40 mL of a 0.40 M Mg(OH)2 solution

    asked by jack on September 7, 2017
  20. chemistry

    How many grams of NaNO3 are required to saturate 54 grams of water at 20 C( show steps )

    asked by Ryan on November 8, 2010
  21. Science

    you are to make a buffer of pH = 4.33 using HNO2 and NaNO2 what ratio of NO2- to HNO2 is required?

    asked by Jenna on April 2, 2012
  22. Physics

    A car slows from 17 m/s to 2.0 m/s at a constant rate of 2.1 m/s2. How many seconds are required before the car is traveling at 2.0 m/s?

    asked by Shelby on September 13, 2012
  23. biology

    Which candy required more base per gram of candy sweet tarts or smarties

    asked by Anonymous on May 6, 2014
  24. Math

    A hall feature 16 MTR by 12 MTR. How many sq.tiles 25 cm will be required to pave its floor

    asked by Harsh Raj on July 14, 2017
  25. Chemistry

    Calculate the volume of 2.00 M solution of KOH that is required to neutralize 30.0 mL of 1.00 M solution of HNO3.

    asked by Tina on May 7, 2014
  26. Chemistry

    Calculate the volume of 2.00 M solution of KOH that is required to neutralize 30.0 mL of 1.00 M solution of HNO3.

    asked by Chemistry on May 7, 2014
  27. chemistry

    how many joules of heat are required to heat 149g of aluminum from 31.0 celcius to 75.5 celsius

    asked by katie on September 30, 2016
  28. chemistry

    Gold has a latent heat fusion of 64.5 J/g. How much energy is required to melt 20.0 g of gold?

    asked by Nick on October 18, 2016
  29. math

    The length of a garden is 12.75 m and if breadth is 8.25 how much fencing will be required for the 4 side of rectangular garden

    asked by tinku kumar srivastava on October 24, 2016
  30. physics

    A 10-kg mass is moving at a speed of 4.0 m/s. How much work is required to stop the mass? A. 20 J B. 40 J C. 60 J D. 80 J E. 100 J

    asked by dali on March 4, 2017
  31. Chemistry

    If 36.00 mL of KMnO4 are required to oxidize 25.00 mL of 0.02932 M NaC2O4 solution, what is the concentration of KMnO4?

    asked by Sydney on November 2, 2010
  32. chemistry

    How much heat in joules is required to heat a 40g sample of aluminum from 77*C to 150*F?

    asked by lorray on February 18, 2012
  33. physics

    how much work is required to extend an exercise spring by 15 cm if the spring constant k has the value of 800 N/m

    asked by jazmyn on September 14, 2010
  34. Physics

    how much work is required to extend an exercise spring by 15 cm if the spring constant k has the value of 800 N/m

    asked by John on September 14, 2010
  35. statistics

    No calculation required. what test would be used to predict what the tuition will be in 20 years if it has gone up the past five years?

    asked by red on May 5, 2013
  36. Chemistry

    How many calories are required to raise the temperature of 75 grams of water from 20 degrees C to 50 degrees C?

    asked by Hannah on December 14, 2010
  37. english

    we cannot have a peaceful and just society so long as any one group is required to be (responsive, submissive) to another. submissive

    asked by cici on May 23, 2013
  38. physic

    How much energy is required to change a 40 g ice cube from ice at -25°C to steam at 105°C?

    asked by Renee on April 7, 2014
  39. chemistry

    a first order reaction has a rate constant of 7.5 x 10^-3/s. The time required for th reaction to be 60% complete is

    asked by Angel on June 17, 2008
  40. Chemistry

    If 20.2 mL of base are required to neutralize 29.3 mL of the acid, what is the molarity of the nitric acid solution?

    asked by Rachel on February 11, 2015
  41. Chemistry

    A titration required 23.8ml of a 0.15 M NaOH solution. How many moles of NaOH were in this volume?

    asked by Kandace on May 1, 2018
  42. Regent University

    A point charge of 0.5 is brought to a point a in free space. How much work is required to do this?

    asked by Joseph on August 3, 2015
  43. Chemistry

    how much heat is required to melt an ice cube that is 4.2 cm x 2.1 cm x 2.9 cm? The density of ice is 0.92 g/cm3

    asked by Sam on May 2, 2011
  44. chemistry

    How much heat in joules is required to heat a 44g sample of aluminum from 76 F to 148 F?

    asked by tish on February 27, 2013
  45. Chemistry

    A sample of 10.7 g of O2 reacts completely with CO to form CO2. 2 CO + O2 → 2 CO2. How many grams of CO is required.

    asked by Jennifer on February 21, 2017
  46. Physics

    What average force is required to stop an 1700 kg car in 7.0 s if the car is traveling at 75 km/h?

    asked by Ariel on September 8, 2010
  47. physical science

    suppose you want to heat 40g of water by 20c.how many joules of heat are required

    asked by Anonymous on October 12, 2012
  48. Chenmistry

    Fe2O3 + 3C = 2Fe + 3CO How many grams of C are required to react with 2.50 moles of Fe2O3 ?

    asked by Marcie on April 2, 2013
  49. physics

    How much energy is required to change a 40 g ice cube from ice at -40°C to steam at 100°C?

    asked by Erica--help! on November 8, 2010
  50. chemistry

    Calculate the amount of heat required to heat a 42kg sample of ethanol from 14.0C to 18.0C

    asked by Emily on September 4, 2011
  51. chemistry

    what is the mass of oxalic acid required to prepare 250cm3 of a 1.5M solution of the acid

    asked by Nalukyamuzi on August 2, 2018
  52. science

    What pressure is required to reduce 75 mL of a gas at standard conditions to 11 mL at a temperature of 27 ◦C? what pressure would i use?

    asked by perla on March 9, 2014
  53. human resources

    Needs assessment: What types of issues might indicate a need for training? From what sources would these issues be identified? If you were a training manager, how would you prioritize training needs from these sources? a. A supervisor requests training on

    asked by Nadia on September 27, 2008
  54. chemistry

    need help setting this problem up: The heat of fusion of water is 335 J/g. How much heat would be required to melt 10.4 g of ice?

    asked by ellen on July 20, 2010
  55. accounting

    Suppose that two years after the bonds were issued, the required interest rate fell to 7 percent. What would be the bonds’ value?

    asked by lisa on February 11, 2013
  56. plumbing

    if abuilding is 12m high and the pressure needed at the top is 400kpa what is the required pressure at the meter?

    asked by Anonymous on February 9, 2016
  57. Chemistry

    The specific heat of graphite is 0.71 J/g oC. Calculate the energy required to raise the temperature of 1.0 mol of graphite by 1.0 oC.

    asked by Nisah on September 17, 2012
  58. finance

    the company has agreed that the required contribution will grow by 3.2 percent per year. When should the company harvest the forest?

    asked by Sherrill on August 4, 2008
  59. chemistry

    Calculate the mass of solid Na2S2O3•5H2O required to prepare 300. mL of 0.0200 M Na2S2O3

    asked by Nicolai on October 1, 2012
  60. Physics

    How much heat is required to melt 50 grams of ice heat it to its boiling point and then turn it into vapor

    asked by Anothony on December 6, 2012
  61. physics

    how much energy is required to move a 1000kg object from the Earth's surface to an altitude twice Earth's radius?

    asked by ling on October 26, 2015
  62. chemistry........help!! =)

    How many grams of FeSo4 are required to prepare 0.50 L of a 0.010 M FeSO4 solution? I don't need the answer just shown how to do it! thanks

    asked by Stacy on December 13, 2010
  63. chemistry

    the molar mass of NaOH is 40g/mol, how many grams ofNaOH are required to yield 0.65 mol?

    asked by Lina on March 9, 2013
  64. Engineering

    A receiver requires 10 mW as input power. If all the system losses add up to 50 db, then how much power is required from all the source ?

    asked by Rita on September 1, 2008
  65. chemistry

    What mass of MgSO4 · 7H2O is required to prepare 300 mL of a 0.61 M MgSO4 solution? Answer in units of g

    asked by cheri on September 13, 2012
  66. chemistry

    What mass of MgSO4 · 7H2O is required to prepare 300 mL of a 0.61 M MgSO4 solution? Answer in units of g

    asked by cheri on September 17, 2012
  67. physics

    A weightlifter is trying to carry a 10 kg weight held over his head across the room. How much energy will be required to do this work on the 10 kg weight?

    asked by Anonymous on May 8, 2012
  68. College Chemistry

    How many milliliters of a 0.200M AgNO3 solution are required to preccipitate most of the Cl^- ions from a solution containing 0.855 g of NaCl?

    asked by KELLY on September 27, 2010
  69. Chemistry

    What volume of a 0.5 M solution is required to prepare 250 mL of a 0.15M solution? (Note: M = mole per Litre)

    asked by Helen on November 8, 2012
  70. physics

    How much energy is required to melt 0.1 kg of water (hfusion = 80 cal/g, hvaporiztion = 540 cal/g) at 0oC.

    asked by Carrie on July 31, 2012
  71. Chemistry

    Calculate the heat required to convert 5gm of ice at 0oc into 5gm of steam at 100oc.

    asked by Siddharth on May 15, 2016
  72. Chemistry

    What volume of 0.105 M HNO3, in milliliters, is required to react completely with 1.40 g of Ba(OH)2? 2 HNO3(aq) + Ba(OH)2(s) Ba(NO3)2(aq) + 2 H2O(l)

    asked by Noelle on September 24, 2010
  73. Chemistry

    Suppose you titrated a sample of distilled water with EDTA, approximately what volume of EDTA would be required?

    asked by Julie on October 1, 2012
  74. chemistry

    in a titration, 0.0400 mol of solid NaOH is required to neutralize 10.0 mL of H2SO4(aq). From these data, the [H2SO4] is:

    asked by jj reddick on November 19, 2010
  75. Finance

    Describe the relationship between the coupon rate and the required rate that will result in a bond selling at a premium?

    asked by Angel on October 27, 2008
  76. Physics

    How much energy is required to move a 900 kg object from the Earth's surface to an altitude twice the Earth's radius?

    asked by Kyla on June 17, 2012
  77. Chemistry 101

    A chemist needs 2.00 grams of a liquid compound with a density of 0.785 g/cm^3 density. what volume of compund is required?

    asked by Lilly on January 27, 2016
  78. Finance

    Describe the relationship between the coupon rate and the required rate that will result in a bond selling at a discount?

    asked by Angel on October 27, 2008
  79. Chemistry

    How many milliliters of .200 M AgNO3 solution are required to precipitate most of the Cl- from the solution containing .855 grams of NaCl

    asked by Aliana on September 27, 2010
  80. Chemistry

    How many milliliters of a 0.200M AgNO3 solution are required to preccipitate most of the Cl^- ions from a solution containing 0.855 g of NaCl?

    asked by Aliana on September 27, 2010
  81. chemistry

    What volume of LR(Lactated Ringer's) solution would be required to make 1.0L of a solution that was .050M in chloride ion?

    asked by Bill on June 12, 2012
  82. Science

    10.0 g of KCl and 18.5 g of CaCl2 were dissolved in 500 mL of water. How many mL of 1.57 M AgNO3 solution would be required to precipitate all Cl- from the solution?

    asked by Jared on October 19, 2012
  83. Physics

    A 0.4-kg ball has a velocity of 20 m/s. a. What is the kinetic energy of the ball? b. How much work was required to lift the box to this position?

    asked by Sylvia on December 28, 2010
  84. Finance

    Describe the relationship between the coupon rate and the required rate that will result in a bond selling at face value?

    asked by Angel on October 27, 2008
  85. chemistry

    calculate the molarity of H2O2 if 25ml of H2O2 required 12 ml of 0.1M KMN04? The right answer 0.24M who helps

    asked by Fai on January 13, 2013
  86. acid and base titrations

    in a titration, 0.0400 mol of solid NaOH is required to neutralize 10.0 mL of H2SO4(aq). From these data, the [H2SO4] is:

    asked by jj reddick on November 20, 2010
  87. Physics

    How much energy is required to move a 900 kg object from the Earth's surface to an altitude twice the Earth's radius?

    asked by Kyla on June 17, 2012
  88. Chemistry

    Suppose that you used 0.75g of iron. What is the minimum volume of 1.5 M_ CuSO4 solution required Using eqn. (3-1)? and eqn. (3-2)?

    asked by Liza on September 12, 2015
  89. chem

    What volume of a 0.430 M NH4I solution is required to react with 289 mL of a 0.560 M Pb(NO3)2 solution?

    asked by mee on May 21, 2016
  90. Chemistry

    How much heat is required to melt 75.5g of ice at -25 degrees Celcius, and convert it to steam at 105 Celcius

    asked by Edward on July 31, 2010
  91. Science

    2kg water vapour 100degrees is condensed to water at 40degrees. The quantity of heat required?

    asked by Hji on July 14, 2016
  92. GA perimeter

    What is the specific heat of a metal if 7.74 x 103 J of energy is required to warm a 75.0 g sample of the metal from 10 °C to 125 °C?

    asked by Anonymous on January 21, 2012
  93. Chemistry

    What volume of 14.1M HBr is required to make 250mL of 1.25M HBr solution by dilution with water?

    asked by Kat on February 4, 2011
  94. Chemistry

    How much energy (in kj) is required to ionize 2.78 moles of hydrogen atoms the right answer is: 3.65x10^3 kj wondering how they got this answer.

    asked by CL on February 24, 2017
  95. Physics

    How large an average force is required to stop a 1400-kg car in 5.0 s if the car’s initial speed is 25 m/s?

    asked by Bola on March 12, 2014
  96. Chemistry

    Suppose that 16.41 mL of 0.0512 M NaOH were required to titrate a sample of unknown acid. How many moles of NaOH were used?

    asked by Erin on February 8, 2017
  97. chemistry

    20.70 ml of .42 M HClO4 is required to neutralize .966g of an unknown base. Find the molar mass of the base .

    asked by Cristina on May 8, 2014
  98. physic

    The brakes on a car permit it to decelerate at the rate of 0.80 m/s2. How much distance is required to stop this car when it is traveling at 60.0 km/hr?

    asked by Michelle on September 25, 2016
  99. Chemistry

    Suppose that 14.9 mL of 0.0512 M NaOH were required to titrate a sample of unknown acid. How many moles of NaOH were used?

    asked by Rae on March 5, 2014
  100. chemistry

    given relative permitivity of water, how much energy (kj/mol) is required to break the hydrogen bond in water? (Er=80.0)

    asked by tom on February 9, 2015