1. Math

    How would you solve 4m(-2mn^2)^3/4m^-6n4. In addition, what steeps are required

    asked by Amzad on November 2, 2015
  2. cooking appliance

    the time required for epoxy resin cement to set is about

    asked by chris on October 26, 2016
  3. chemistry

    1oocm3 of 0.1mhcl as to be prepared from 2mhcl, how much of the stalk is required

    asked by lawwealth on February 6, 2013
  4. physics

    What voltage is required to run a 45 W light bulb if the current is 0.5 A?

    asked by billy on April 13, 2012
  5. Chemistry

    How many milliliters of 0.291 M HCl would be required to titrate 6.83 g KOH?

    asked by David on March 27, 2013
  6. Chemistry

    What mass of KBr is required to prepare 8.oo L of .400 M solution?

    asked by Nicole on September 10, 2012
  7. Analytical chemisty

    How many grams of K2Cr2O7 are required to prepare 500 ml of a 0.13 N solution?

    asked by Anonymous on February 3, 2013
  8. Physics

    How much force is required to accelerate 5kg at 15m/sec?

    asked by Vanessa on November 13, 2012
  9. chemistry

    What volume of 9.0Molarity of H2SO4 is required to react with 20.0g of NaOH?

    asked by ali on January 26, 2013
  10. Physics

    the force required to accelerate a mass of 10.0kg at 4.00m/s^2 is

    asked by John on November 23, 2010
  11. chemisrty

    how many ml of a .1M HCl are required to react completely with 1 gm mixture of Na2CO3 ?

    asked by swati on April 14, 2013
  12. Chemistry

    Calculate the ratio of NaF to HF required to create a buffer with a pH of 4.00.

    asked by Cooper on March 28, 2012
  13. chemistry

    how many mL of 1M HC2H3O2 are required to neutralize a spill of 25mL of 6M NaOH?

    asked by erin on December 7, 2010
  14. Physics HW Help, Please

    What is the energy required to accelerate a 1600 kg car from rest to 33 m/s?

    asked by Mike on December 1, 2012
  15. science

    how many grams of nacl are required to completely neutralize of 1 M of h2so4

    asked by sunaina on August 17, 2016
  16. Chemistry

    How many mL of 0.1 N NaOH are required to react with 100 mEq of H2SO4?

    asked by David on August 11, 2016
  17. Music

    what are the potential earnings of a song writer and the education required?

    asked by Rebecca on June 9, 2010
  18. science

    how many joules are required to evaporate 1 gram of boiling water?

    asked by matt on June 1, 2010
  19. math

    To increase the temperature of 100.0g of H20 from -50.0C to -10.0C how much energy is required?

    asked by Jamal Campbell on February 17, 2016
  20. Chem!!!:/

    Calculate the ratio of NaF to HF required to creAte a buffer with pH=4.00.

    asked by Davis on March 12, 2012
  21. physics

    how many RPM are required to attain 1g with a radius of 840 feet

    asked by Edward on July 11, 2012
  22. chm140

    How much heat is required to melt 26.5 of ice at its melting point?

    asked by Kathy on May 27, 2010
  23. science

    how many grams of nacl are required to neutralize 100 ml of 1M h2so4???

    asked by Chemistry on March 15, 2017
  24. physics

    how many Btu of heat are required to melt 8.35 lb of ice at 32 degrees F

    asked by nick on April 9, 2014
  25. physics#30

    Why dosen't a transformer work with direct current? why is ac required?

    asked by tina on February 14, 2008
  26. Physics

    How much work is required to stop an electron (m= 9.11 * 10^-31 kg) which is moving with a speed of 1.80×10^6 m/s?

    asked by Eden on October 17, 2010
  27. Homework for Math

    How is (x^2+2x+4) derived from (x^3-8)? What do you call it's formula and what are the steps required to turn (x^3-8) into (x^2+2x+4)?

    asked by Aster Calico on January 23, 2016
  28. chemistry

    How many ml of a .25M HCL would be required to neutralize completely 2.5g of NaOH

    asked by samantha on September 14, 2007
  29. science

    How much energy is required to raise the temperature of 22.8 g of copper from 30°C to 1250°C?

    asked by science on February 28, 2012
  30. Delgado

    How many kilocalories are required to produce 1.027 mol of aluminum??

    asked by angela on October 11, 2015
  31. N/A

    The most basic software required for an online course where writing is involved is:

    asked by chris on February 23, 2016
  32. Med lab tech

    how many grams of KCL are required to make 5.0ml of a 35% w/v solution?

    asked by billie on November 27, 2010
  33. Chemistry

    How many milliliters of 2.00 M HCl(aq) are required to react with 7.55 g of an ore containing 36.0% Zn(s) by mass?

    asked by Jessica on June 17, 2013
  34. phy

    How much heat is required to raise the body temperature of a 60.0-kg woman from 37.0° C to 38.2° C?

    asked by jessica on April 17, 2013
  35. General chemistry

    What mass of electrons would be required to just neutralize the charge of 2.7 of protons?

    asked by Nadine on October 14, 2010
  36. Chemistry

    What mass of KOH is required to neutralize 200mL of 3.16 M HNO3?

    asked by Quentin on June 10, 2013
  37. social studies

    Discuss the intent required to commit an intentional tort.

    asked by Anne Marie on June 27, 2008
  38. chemistry

    How many grams of SrCl2 is required to prepare 1 molar solution of it,

    asked by anitha on December 29, 2015
  39. math

    (3.845*10^-4)(3.67*10^6) in scientific notation 3-4 digit answer required

    asked by waffles on September 13, 2012
  40. physics

    How many joules of energy are required to melt 80g of silver.

    asked by tharol simi on May 26, 2015
  41. Chemistry

    In general, what are the conditions required for Schiff's Base to polymerise?

    asked by Alan on August 21, 2010
  42. physics

    How many seconds is required to stop a vehicle travelling 55.9 km/h if it decelerates at 8.2 m/s/s?

    asked by Victoria on October 5, 2012
  43. physics

    What voltage is required to store 6.90 10-5 C of charge on the plates of a 7.00-µF capacitor?

    asked by Anonymous on January 13, 2011
  44. Chemistry

    How many electrons would be required to fill the following sublevels? *3s *4s *3d *4d *3p *2d *3f *4d Choices are as follows A. 2 B 6 C 10 D 14 E There is no such orbital

    asked by Kimberly on November 7, 2010
  45. math 050

    If there are 435 U.S. Representatives, how many votes are required for a simple majority (over 1/2)?

    asked by Anonymous on November 12, 2010
  46. chemistry

    What mass of electrons would be required to just neutralize the charge of 1.4 of protons?

    asked by Claire on October 1, 2012
  47. science

    How much work is required to lift a 3.7-kg concrete block to a height of 2.7 m?

    asked by ashley on September 3, 2010
  48. Biology

    Why are simple sugars required for metabolism? What makes them so important?

    asked by Nicolette on March 13, 2013
  49. science

    How much work is required to lift a 3.3-kg concrete block to a height of 1.2 m?

    asked by vanessa on February 4, 2012
  50. chemistry

    how many ml of 0.15 NaOH solution are required to neutralize 35.00 ml of 0.22 moles of HCL

    asked by mc on April 14, 2010
  51. Chemistry

    What mass (g) of KHP is required to neutralize 10.00 mL of 0.1092 M NaOH?

    asked by Erin on October 9, 2012
  52. chemistry

    how many moles of LiF would be required to produce a 2.5 M solution with volume of 1.5 M?

    asked by kirari on August 15, 2010
  53. Chemistry

    How many grams of MgCl2 would be required to make 440 g of magnesium ?

    asked by Ben on April 26, 2016
  54. English

    what is wrong with the following sentence. "A glove and ball is the required gear.”

    asked by Bernie B on March 8, 2013
  55. Chemistry

    How many electrons would be required to fill the following sublevels? This is what I got *3s = A *4s = A *3d = C *4d =C *3p =B *2d= E *3f =E *4d =C Choices are as follows A. 2 B 6 C 10 D 14 E There is no such orbital

    asked by Kimberly on November 7, 2010
  56. english

    how can i fix this sentence? “A glove and ball is the required gear.”

    asked by aran on January 18, 2012
  57. chemistry

    What mass of H2SO4 would be required to react with 0.59 mol of NaOH?

    asked by brittany on January 19, 2012
  58. Chemistry

    How many photons with a wavelength of 450 nm is required to have mass of 1.25 micrograms?

    asked by Michelle on October 16, 2012
  59. Chemistry

    How much heat is required to melt 43.5g of ice at its melting point?

    asked by Yvone Miles on November 18, 2010
  60. science

    How much energy is required to raise 1 gram of water from -15 C to 110 C?

    asked by frederic on April 7, 2010
  61. Chemistry

    How many mL of 0.100 M NaOH are required to neutralize (or titrate) 25.0 mL of 0.15 M H3PO4?

    asked by Joseph on December 1, 2016
  62. Chemistry

    How much heat is required to melt 43.5g of ice at its melting point?

    asked by Yvone Miles on November 18, 2010
  63. chemistry

    how many grams of 5%NaNO3 will be required to prepare 250ml solution

    asked by amruta on August 7, 2010
  64. Cheistry

    How much heat is required to melt 43.5g of ice at its melting point?

    asked by Yvone Miles on November 18, 2010
  65. Chemistry

    how much limestone would be required to change the ph value from 4 to 4.5 in 20000 cubic of water?

    asked by Jerry on November 7, 2015
  66. Chemistry

    What amount of heat is required to raise the temperature of 10.0 g of aluminum by 15.0 C

    asked by Olga on February 9, 2012
  67. chemistry

    how much energy in joules is required to melt 10.00 moles of ice

    asked by Anonymous on January 21, 2011
  68. Chemistry

    How many moles of Al(OH) are required to completely react with 2.75mol of H2SO4?

    asked by Annette on February 13, 2013
  69. Chemistry

    What amount of heat is required to raise the temperature of 10.0 g of aluminum by 15.0 C

    asked by Olga on February 9, 2012
  70. physics

    What force is required to accelerate a 90kg bike to 20 m/s in 15 sec? I need to know HOW to do it!

    asked by Rachel on October 29, 2010
  71. Chem

    What mass of protons would be required to just neutralize the charge of 3.5 of electrons?

    asked by Brandi on February 11, 2013
  72. physics

    What force is required to accelerate a 90kg bike to 20 m/s in 15 sec? I need to know HOW to do it!

    asked by Rachel on October 29, 2010
  73. Chem

    What mass of protons would be required to just neutralize the charge of 3.5 of electrons?

    asked by Brandi on February 11, 2013
  74. Chemistry

    How many g of CaCl2 are required to prepare 0.250 L of a 0.200 M solution?

    asked by Aaron on December 14, 2015
  75. chemistry

    For neutralization of 10ml 10% sodium carbonate how many 1N H2SO4 is required?

    asked by Nagesh on January 10, 2011
  76. Finance

    1. What is an entrepreneur? (1 point) a sole proprietorship a corporation one who opens a new business a bank that loans money 2. Which of the following is the best definition of probable operating costs? (1 point) Amount of money required to start a

    asked by D on April 15, 2018
  77. Chemistry

    To balance the oxygen and hydrogen for a redox reaction that takes place in acidic solution, it is necessary to use which of the following?A. H2O and H+ B. H2O only C. H2O and OH- D. OH- only

    asked by Jarred on August 19, 2010
  78. Chem

    Find the empirical formula of a compound found to contain 63.15 percent carbon 5.30 percent hydrogen and 31.55 percent oxygen I got C27H27O

    asked by Anonymous on January 5, 2017
  79. Chemistry

    A mixture contains 0.218 mol of Mn2O3 and 17.8 g of MnO2. 1.How many atoms of oxygen are present in the mixture? 2.How many grams of manganese are in the mixture?

    asked by Amy on October 16, 2015
  80. chemistry

    While you are at rest your brain gets 15% by volume of your blood. If your body contains 5.2 L of blood, how many liters of blood are in your brain at rest? and how many quarts?

    asked by Anonymous on January 23, 2014
  81. chemistry

    While you are at rest, your brain gets about 15% by volume of your blood. If your body contains 5.2 L of blood, how many liters of blood are in your brain at rest? and how many quarts?

    asked by carol on November 29, 2012
  82. denstiy

    density is (g/cm^3) when if you have a volume of mL? If you want to find the mass from density and volume, do you have to convert the volume to liters? mL is the same as a cm^3 1 gram/ml= 1 gram/cm^3

    asked by Ky on February 21, 2007
  83. Chemistry

    Recognize each of the following reactions as synthesis, decomposition, single replacement, double replacement, neutralization, or combustion. A)H3PO4 + 3NaOH -> Na3PO4 + 3H20 This reaction is known as Neutralization. B)P4 + 5O2 -> P4O10 This reaction is

    asked by Derrick on July 13, 2010
  84. DrBob222

    The unique rate for the combustion of ethane is 0.44 M/s (a) what is the rate that oxygen reacts? (b) what is the rate of formation of water molecules?

    asked by tevon on May 2, 2015
  85. chemistry

    when writing chemical equations, for example, next to oxygen I have to write (g) for gas and next to other different chemicals I have to write (aq) for aqueous. What do I write next to H2O?

    asked by julie on January 8, 2008
  86. chemistry

    I need help setting up this problem: A 5.0 sample of O2 is in a container at STP. What volume is the container and how many molecules of O2 in the container and how many atoms of oxygen?

    asked by alexis on November 9, 2009
  87. Chemistry

    which atom has the least attraction for the electrons in a bond between that atom and an atom of hydrogen? (1) carbon (2)nitrogen (3)oxygen (4) fluorine

    asked by Anonymous on December 2, 2010
  88. Chemistry

    If 80.0 grams of methane were reacted with 368 grams of oxygen, how many grams of water would be formed (find limiter first).

    asked by Lisa on April 3, 2011
  89. chemistry

    What is the balanced equations for: .Calcium and ethanol .Potassium dichromate, Dilute Sulphuric Acid and Ethanol .Ethanol abd oxygen

    asked by Disturbed student on May 28, 2010
  90. Chemistry

    #5 Limiting Reactants How many grams of water will be produced in the complete combustion of 20.0 grams of Octane, C8H18(g) and 50.0 grams Oxygen gas?

    asked by Jefferson on January 14, 2015
  91. biology

    Choose the total number of each item requested below. 4C6H12O6 Carbon atoms Hydrogen atoms Oxygen atoms Molecules

    asked by Anonymous on October 29, 2012
  92. Chemistry

    0.356 grams of an unknown metal reacts with oxygen to form 452 milligrams of the metal oxide. Identify the metal

    asked by Kamal on April 25, 2013
  93. chemistry

    What is the empirical formula of a compound that contains two moles of calcium, two moles of sulfur and eight moles of oxygen? A. CaS0 B. CaS02 C. CaSO4 D. Ca2S0 i think D

    asked by tasha on May 14, 2018
  94. Biology

    When proteins are broken down, phenylalanine is sometimes produced. Phenylalanine contains the elements carbon, nitrogen, hydrogen, and oxygen.Phenylalanine is which type of compound?

    asked by Anonymous on September 27, 2018
  95. Chemistry

    What volume of NaOH is required to neutralize 50mL of 0.5M phenol? So this is just a small calculation in a complex problem, and I would just like someone to check my work so I don't mess up the entire problem based on this calculation. So mol phenol=

    asked by Jon on November 20, 2010
  96. Chemistry

    Consider a mixture of air and gasoline vapor in a cylinder with a piston. The original volume is 30. cm3. If the combustion of this mixture releases 980. J of energy, to what volume will the gases expand against a constant pressure of 640. torr if all the

    asked by Mattie on November 18, 2010
  97. finance

    FF has an annual credit sales of $250,000 units with an average collection period of 70 days. The company has a per unit variable cost of $20 and a per unit sale price of $30. Bad debts currently are 5% of sales. The firm estimates that a proposed

    asked by Vanessa on January 1, 2012
  98. Maths

    1.Humans breathe about 15 breathe in a minute.The average breath at rest contains 0.76 liter of air.About how many liters of air will you breathe while at rest for 25 minutes? 2.Greta ran the 400-m dash in 49.07 s.If Greta ran at a constant rate,how many

    asked by Anonymous 1 on January 20, 2011
  99. physics

    1. The efficiency of a squeaky pulley system is 73 percent. The pulleys are used to raise a mass to a certain height. What force is exerted on the machine if a rope is pulled 18.0 m in order to raise a 58 kg mass a height of 3.0 m? Answer: 13.24 N? A

    asked by anonymous on January 17, 2007
  100. Chemistry

    Consider a sample of helium and a sample of neon, both at 30ºC and 1.5atm. Both samples have a volume of 5.0 liters. Which statement concerning these samples is not true? a- each weighs the same amount b- each has the same # of atoms of gas c- the density

    asked by John S. on November 6, 2009