1. chemistry

    What kind of reaction occurs when a molecule of glucose reacts with oxygen to give carbon dioxide and water? a.exothermic reaction b.endothermic reaction c.synthesis reaction d.irreversible reaction
  2. math

    A jug of milk holds 4 quarts. How many liters of milf does the jug hold. Round to the nearest hundredth of a liter. 1L= 1.06 qt A) 0.27 L B) 3.77 L C) 4.24 L D)5.06 L not sure on this one Garrett is 64 in tall. How many centimeters tall is he? Round your
  3. Math

    What nominal annual rate of interest compounded yearly is required to double an investment in 13 years?
  4. Chemistry

    Calculate the amount (volume) of 0.135 M HClO4 solution required to neutralize 57.00 mL of .089 M NaOH
  5. physics

    A motorcycle of mass 350kg has an acceleration of 3m/s when the resistance against motion is 200N.Calculate the force required
  6. chemistry

    In the previous example, how many ml of 0.1M kmn04 are required to react with 30ml of 0.05M h202? the answer 3ml who helps
  7. science

    how much force is required to keep an overgrown 50 kg ferret moving at a constant velocity across a .33 cos of friction floor?
  8. Chemistry

    What volume of Cl2 gas, measured at 687torr and 34∘C, is required to form 27g of NaCl?
  9. Social Studies

    1. Which of the following crops required fields that could be flooded with water? A. squash B. rice*** C. corn D. silk
  10. Chemistry

    If 25.0 mLs of 0.150M nitric acid was used, how many grams of barium carbonate would be required for complete reaction?
  11. chemistry

    determine the total amount of energy required to heat 25g of ice at -18 C to steam at 125 C
  12. science

    calculate the mass of Cuso4.5H2O required to prepare 500 cm3 of a 0.400 m/dm-3 solution
  13. chem

    What mass of lithium (in g) is required to react completely with 59.1 mL of gas at STP? given the equation 6Li+N2=2Li3
  14. Chemistry

    What mass of sodium bromide (NaBr) is required to make 250 cm3 of a 0.35 mol.dm-3 solution?
  15. chemistry

    calculate the mass of Cuso4.5H2O required to prepare 500 cm3 of a 0.400 m/dm-3 solution
  16. pmdc

    Calculate the mass of Mg metal required to consume 2560g of CO2 in the reaction. 2Mg+CO2_2MgO+C
  17. Science

    Eight bricks 6 cm thick with mass 1.5kg lie flat on a table.how much work is required to top them one on another?
  18. college chemistry

    Calculate the amount of heat required to evaporate 27.5g of water at 100.0 degrees Celsius
  19. Chemistry

    What is the HCl concentration if 72.1ml of 0.035M NaOH is required to titrate a 20.0ml sample of the acid?
  20. Science-Chemistry(mole concept)

    How many kg of wet NaOH containing 15% water are required to prepare 70 litre of 0.5N solution?
  21. physics

    If a person does 80 J of work in moving a 30 \rm{kg} box over a 13 m distance on a horizontal surface, what is the minimum force required?
  22. algebra

    A traveler required a total of 12 h on the round trip, averaging 20mi/h and 30 mi/h. Find a time in hours going using a T for this.
  23. Chemistry

    Determine how many milliliters of 0.448 M HClO4 will be required to neutralize 38.30 g Ca(OH)2 according to the reaction: 2HCl+Ca(ClO4)2+2H20
  24. English

    Is a comma required in this sentence? "James ran to the grocery store, and David walked to the library."
  25. AP US History (Help Required ASAP)

    Explain the rise of the republicans and the international challenges faced following world war I?
  26. Chemistry

    how many moles of silver nitrate are required to react with 24.8 mL of 1.15M calcium chloride in a metathesis reaction Thanks!
  27. Math

    A hall measures 16m by 12m.How many square tiles of side 4m will be required to pave its floor?
  28. science

    the number of moles of H2O2 required to completely react with 400ml of 0.5N KMnO4 in acidic medium are
  29. trig

    What would be the force required to push a 100-pound object along a ramp that is inclined 10 degrees with the horizontal?
  30. CHM 152

    How many gram of Fe+3 are required to make 1.0 L of an aqueous solution of 10 ppm Fe+3? Assume density of water is 1.00 g/mL.
  31. Chemistry

    What volume of 0.0495 M Ba(OH)2 is required to neutralize exactly 14.87 mL of 0.136 M H3PO4? Phosphoric acid contains three acidic hydrogens.
  32. analytical chemistry

    What weight of potassium acid phthalate(KHC8H4O4) is required to react with 25 ml OF 0.5N NaOH solution
  33. physic

    Eight books, each 8.5 cm thick with mass 1.3 kg, lie flat on a table.How much work is required to stack them one on top of another?
  34. Chemistry

    What volume of 85% H3PO4(d=1.68g/mL) and weight of KH2PO4 are required to prepare a buffer of pH=3 that has an ionic strength of 0.2?
  35. chemistry

    1) what mass of lead(ii) acetae is required to be dissolved in a 500.0ml volumetric so that the acetate is equal to 1.48?
  36. Chemistry

    What volume of 18.00 M HCl is required to completely neutralize 750.0 kg of barium hydroxide at 25.0 degrees C and 760 mm Hg?
  37. chemistry

    what mass of water is required for the formation of 175 grams of carbon monoxide? please show work
  38. ap chemistry

    what volume 0,100M of Na2PO4 is required to precipatate all the lead(II) ions from 150 ml of 0.250M Pb(NO3)2
  39. physics

    A body of specific gravity 3.0 is immersed in water. What is the minimum force required to pull it out at velocity 2
  40. medical billing

    at what point during the course of treatment of a new patient should notice of use and disclosure of health information required under HIPPA be given and why
  41. chemistry

    What temperature is required to produce a carbon dioxide partial pressure of 1.0 ? BaCO3¡êBaO + CO2
  42. chemistry

    what volume of chlorine is required to produce 25.4grams of copper II chloride at 18 degrees celsius and 2.13 atm
  43. Chemistry

    How do I calculate the mass of sodium carbonate required to neutralize 15-20 mL of 0.25M HCl at the stoichiometric point?
  44. chemistry

    How do I solve this? How many grams of solid NaOH are required to prepare 200 mL of a 0.05 M solution? What will be the concentration expressed in % W/V?
  45. Physics

    if a machine is capable of accelerating at a constant speed of +20.0m/s^2 calculate the time required for it to go from -5.00m/s to +55m/s
  46. chemistry

    What is the formula used to solve the problem: How many milliliters of 1.171 M HCl are required to react with 7.69 grams of CaCO3 ?
  47. College Chem

    Calculate the number of grams required to make 250 mL of a 0.020 M KIO3 solution.
  48. chemistry

    How much limestone (CaCO3) in kilograms would be required to completely neutralize a 5.2 x 109 --L lake containing 5.0 x 10 -3 of H2 SO4 per liter?
  49. Chemistry

    How many mL of .715 M HCI is required to neutralize 1.25grams of sodium carbonate? (Producing carbonic acid)
  50. Chemistry

    How many grams of solute are required to make a 789 mL solution of calcium acetate with a concentration of 0.0049 M?
  51. Chemistry

    4FeCr2O7 + 8K2C03 + O2 --> 2Fe2O3 + 8K2CrO4 + 8CO2 a). How many grams of FeCr2O7 are required to produce 44.0 g of CO2
  52. Chemistry

    How many grams of solute are required to make a 976 mL solution of sodium hydroxide with a concentration of 0.0783 M?
  53. Stoichiometry Problem?

    How many Milliters of 18.0M H2SO4 are required to react with 250mL of 2.50 M Al(OH)3 if the products are aluminum sulfate and water?
  54. Chemistry

    What volume of 0.300 M Na3PO4 is required to precipitate all the lead(II) ions from 130.0 mL of 0.400 M Pb(NO3)2?
  55. Adobe Photoshop

    List the steps required to be able to view each font to the selected type? I cant find the answers for that.
  56. physics

    What is the magnitude of force required to accelerate a car of mass 1.7 × 10³ kilograms by 4.75 meters/secondÆ?
  57. chemistry

    How many grams of water are required to dissolve 27.8g of NH4(NO3)(MM=80.05 g/mol)to make a 0.500M solution?
  58. chemistry

    For each titration of a buffer, how do i calculate how many mLs of titrant were required to obtain a 1.00 pH unit change from the initial pH?
  59. physics

    How much work is required to completely separate two charges (each -1.9 microC ) and leave them at rest if they were initially 6.0mm apart?
  60. chemistry

    Please help again. How many grams of lithium are required to completely react with 70.7 mL of N2 gas at STP when given the following reaction: 6Li + N2 = 2Li3N
  61. physics

    How much work is required to completely separate two charges (each -1.9 microC ) and leave them at rest if they were initially 6.0mm apart?
  62. Chem 11

    How many grams of O2 are required to produce 255grams of SO2 in following reaction? 4FeS2+11O2===> 2Fe2O3+8SO2
  63. chemistry

    Silver is electroplated at the cathode of an electrolysis cell by 1/2 reaction Ag(aq) + e- --> Ag(s). How many moles of electrons are required to electroplate 5.8g of Ag?
  64. Chemistry 104 PLEASE HELP ME!!

    Determine the weight of Na2C2O4 which is required to react completely with 20.0ml of 0.02M KMnO4.
  65. Geometry

    Perimeter of a right angled trangle is 40 cm. Hypotenus is 17cm. Find the area. Urgent help required. Thanks in advance
  66. Chem

    What mass of MgSO4 · 7H2O is required to prepare 700 mL of a 0.342MMgSO4 solution? Answer in units of g.
  67. physics

    I have do a project on graphical methods representing vector quantities with 5 examples and graphs. Please let me know where will I get the required info.
  68. chemistry

    how much heat is required to raise the temperature of one mole of NaCl(s) by 15 degrees celsius at constant pressure
  69. physics

    What average force is required to stop an 1100-kg car in 8.0 s if it is traveling at 95 km/h? i got the answer to be 13062.5 N. i don't think that's right...
  70. chemistry

    what mass of zinc chloride, zncl2 is required to prepare 5.00l of a 0.450 molar solution
  71. Chemistry

    What mass of copper(ii) sulphate(GFM=159.5) is required to make 400cm3 of 0.5mol/l solution
  72. chemistry

    Calculate the total amount of heat (in calories) that would be required to convert 15.0 g of ice at 0 oC to 15.0 g of steam at 100 oC.
  73. Physics

    Eight books, each 4.1 cm thick with mass 1.8 kg, lie flat on a table. How much work is required to stack them one on top of another?
  74. chemistry

    What volume of a 0.34M MgCI2 soultion is required to make 250ml of a 0.10M solution by dillution?
  75. physics

    How many calories of heat are required to convert 230 grams of ice at -10.0C to a gas with a temperature of 1500C?
  76. science

    Show that 9300 cal is required to change 15g of 20C water to 100C steam
  77. Chemistry

    Calculate the minimum time, in minutes, required to deposit 40g of copper using a current of 20A.
  78. general chemistry 2

    How many grams of urea [CO(NH2)2] would be required to prepare 200 mL of a 5.0 x 10-3 molar solution? Answer
  79. Chemistry

    What volume of a 0.50 M solution of H2SO4 is required to completely neutralize 3.0 grams of NaOH? Write the equation.
  80. chemistry

    The amount of energy required to remove an electron from the surface of Hg is 7.22x10^-19 J. What is the threshold frequency of mercury? I got 1.09*10^15 hz is it right?
  81. Chemistry

    What is the HCl concentration if 65.8mL of 0.300M NaOH is required to titrate a 15.0mL sample of the acid?
  82. chemistry

    What mass of steam is required to release 4.36 × 105 kJ of heat energy on condensation? answer in unit of g.
  83. Physics

    What is the magnitude of the average force required to stop an 1500 kg car in 8.0 s if the care is traveling at 95 km/h? Sum of F = ma?
  84. Chemistry

    how many milliliters of 0.0850 m naoh are required to titrate 50.0 ml of a solution that contains 1.85 g of hcl per liter to the equivalence point?
  85. Chemistry

    what mass of hydrogen chloride gas is required to produce 250 ml of hydrochloric acid solution with a pH of 1.57
  86. Chemistry

    What volume of 0.150 M Na_3PO_4 is required to precipitate all the lead(II) ions from 120.0 mL of 0.350 M Pb(NO_3)_2?
  87. chemistry

    calculate the weight of oxalic acid required to neutralise 250 ml, 0.1 normal KOH sollution?
  88. chemistry

    How much energy is required to raise the temperature of 3 kg of lead from 15C to 20C? Use the table below and this equation: Q = mcT.
  89. chemistry

    In the previous example, how many ml of 0.1M KMN04 are required to react with 30ml of 0.05M H202? The answer 3ml Who helps
  90. college chem

    calculate the amount of heat (in kj) required to convert 140.1 g of water to steam at 100c
  91. Chemistry

    What mass of H2O is required to form 1.2 L of O2 at a temperature of 310 K and a pressure of 0.950 atm? 2H2O (l) ---> 2H (g) + O2 (g)
  92. chemistry

    In the previous example, how many ml of 0.1M KMN04 are required to react with 30ml of 0.05M H2o2? The answer 3ml who helps
  93. Organic Chemistry

    calculate how much of 10% aqueous sodium carbonate would be required to neutralize the solution (This is during the preparation of benzocaine)
  94. physics

    What is the required resistance of an immersion heater that will increase the temperature of 2.00 kg of water from 10.0°C to 50.0°C in 9.0 min while operating at 120 V?
  95. Chemistry

    What mass of Pb(No3)2 would be required to yield 9g of 3PbCl2 on the addition of excess sodium chloride solution
  96. chem 130

    what mass of sodium hydroxide will be required to neutralize completely 1.60x10^23 molecules of HCl?
  97. Chemistry

    What mass of MgSO4 · 7H2O is required to prepare 800 mL of a 0.442MMgSO4 solution? Answer in units of g.
  98. Chemistry

    Calculate what mass of argon gas is required to full a 20.4-L container to a pressure of 1.09 atm at 25C
  99. chemistry

    What volume of 0.076M HNO3 is required to titrate 20.0ML of 0.25M Ba(OH)2 solution? use 2 sig figures
  100. Chemistry

    What mass of solid calcium hydroxide is required to neutralize .100 L of .500 < sulfuric acid?