1. Chemistry

    37. Write a balanced equation for this: Magnesium + Chlorine ---> Magnesium Chloride 40. How many torr equal 760 mm Hg? Please explain how to do these. Thanks -MC

    asked by mysterychicken on October 26, 2010
  2. Chemistry

    in a chemical reaction, 5.2 grams of magnesium reacts with hydrogen nitrate. Calculate the amount of magnesium nitrate that is produced and the amount of hydrogen nitrate needed to react with the magnesium.

    asked by Anonymous on February 17, 2014
  3. Physical Sciences

    The relative atomic mass of magnesium is 24,31. Which is The most common isotope of magnesium?

    asked by Emihle Hlehle Mkupa on April 19, 2017
  4. chemistry

    caculate the number of moles of magnesium ions in 5.5g magnesium phosphate

    asked by newsome on September 25, 2014
  5. Science

    If 10g of magnesium reacted with 5g of oxygen how much magnesium oxide would you produce? How do you know?

    asked by Molly on June 11, 2016
  6. chemistry

    You have a sample of magnesium chloride. If there are 3.90 mol of Cl, how many moles of magnesium atoms are there?

    asked by jacky on March 1, 2010
  7. chemistry

    how many grams of magnesium is needed to produce 2.154g of magnesium nitrate?

    asked by Rachel on March 2, 2010
  8. chemistry

    Suppose that magnesium would react exactly the same as copper in this experiment. How many grams of magnesium would have been used in the reaction if 1.000 g of silver were produced? The atomic mass of magnesium is 24.31 g/mol, and the atomic mass of

    asked by cheyenne on October 25, 2018
  9. chemm

    A car air bag requires 70. L of nitrogen gas to inflate properly. The following equation represents the production of nitrogen gas: 2NAN subscript 3 yielding 2NA + 3N subscript 2 the density of nitrogen gas is typically 1.16 g/L at room temperature. How

    asked by Sienna on April 28, 2010
  10. chemistry

    provide with enough heat, magnesium and oxygen can undergo a synthesis reaction. how much magnesium is neede if 3.5kg of product is desired?

    asked by tarkan on November 11, 2010
  11. chemistry

    I need to write a balanced equation and indicate the type of reaction phosphoric acid + magnesium hydroxide= magnesium phosphate+ water

    asked by Branden on July 25, 2012
  12. Chemistry

    If an ideal gas write the balances equation for the combination of magnesium and oxygen to form magnesium oxide, MgO.

    asked by Jaila on May 4, 2016
  13. chemistry

    A 20.2g chunk of magnesium metal reacts with 13.7 g of oxygen gas to make magnesium oxide. Write the balance equation.

    asked by Kim on February 10, 2011
  14. Chemistry

    The vapor pressure of nitrogen at several different temperatures is shown below. Temperature Pressure () 65 130.5 70 289.5 75 570.8 80 1028 85 1718 Use the data to determine the heat of vaporization of nitrogen. Determine the normal boiling point of

    asked by HELp on April 29, 2010
  15. chemistry

    when magnesium and hydrochloric acid reacted, (rate of reaction), what would you have to do to express the average reaction rate in terms of mass of magnesium consumed per second and in terms of moles of magnesium reacted per second..thnks..

    asked by ken on May 27, 2011
  16. Chemistry

    Calculate the number of moles of magnesium chloride produced by reacting 168g of magnesium trioxocarbonate (IV) with excess hydrochloric acid Mg=24,C=12,O=16,H=1,CL=35.5

    asked by Anonymous on September 30, 2018
  17. Chemistry

    How many liters of hydrogen gas can be made from 65.5g of magnesium at STP? Magnesium reacts to sulfric acid according to this equation... Mg+H2SO4-->MgSO4+H2

    asked by Cynthia on March 5, 2012
  18. Science

    Please help! Is Mgl2 Magnesium iodide or Magnesium Chloride, I am confused

    asked by Erin on April 28, 2014
  19. chemistry hw question

    Magnesium hydroxide + hydrogen chloride-----> magnesium chloride + water How many grams of magnesium chloride can be produced from 14.60 mL of a 0.546M hydrogen chloride solution?

    asked by danielle on February 6, 2012
  20. Chemistry

    Upon decomposition, one sample of magnesium fluoride produced 1.65kg of magnesium and 2.58kg of fluorine. A second sample produced 1.38kg of magnesium. How much fluorine (in grams) did the second sample produce?

    asked by Anonymous on September 7, 2013
  21. chemistry

    Upon decomposition, one sample of magnesium fluoride produced 1.66kg of magnesium and 2.56kg of fluorine. A second sample produced 1.29kg of magnesium. How much fluorine (in grams) did the second sample produce?

    asked by sam smith on February 14, 2015
  22. Chemistry

    Upon decomposition, one sample of magnesium fluoride produced 1.65kg of magnesium and 2.58kg of fluorine. A second sample produced 1.38kg of magnesium. How much fluorine (in grams) did the second sample produce?

    asked by Anonymous on September 7, 2013
  23. College Chemistry

    Upon decomposition, one sample of magnesium fluoride produced 1.66kg of magnesium and 2.56kg of fluorine. A second sample produced 1.25kg of magnesium.How much fluorine (in grams) did the second sample produce?

    asked by Kaycie on January 28, 2013
  24. chemistry

    Upon decomposition, one sample of magnesium fluoride produced 1.65kg of magnesium and 2.58kg of fluorine. A second sample produce 1.38kg of magnesium. How much fluorine (in grams) did the second sample produce?

    asked by tatianna on September 3, 2013
  25. Chemistry

    So I do know how to work out letter a) but I'm still very confused with parts b and c. Appreciate the help! 2FeN(s) + 3H2(g) --> 2Fe(s) + 2NH3(g) Suppose that the reaction is carried out at 300C and 3.00 atm. 1.00 grams of iron (III) nitride reacts. a)What

    asked by Alexandra on January 23, 2012
  26. chem

    How many grams of magnesium oxide are formed when 13.5 L of oxygen gas, measured at STP, completely reacts with magnesium metal according to the following reaction? i got .496 g but i know that like way off

    asked by hannah on February 17, 2011
  27. chemistry

    How do I write the skeleton equation representing the heating o f magnesium carbonate to produce solid magnesium oxide and carbon dioxide gas?

    asked by Brittany on March 16, 2010
  28. chem-repost

    How many grams of magnesium oxide are formed when 13.5 L of oxygen gas, measured at STP, completely reacts with magnesium metal according to the following reaction? i got .496 g but i know that like way off

    asked by hannah on February 18, 2011
  29. chemistry

    If 0.605 g of magnesium hydroxide reacts with 0.900g of sulfuric acid, what is the mass of magnesium sulfate produced? Mg(OH)2(s)+H2SO4(l)→MgSO4(s)+H2O(l)

    asked by Anonymous on April 17, 2015
  30. chemistry

    I am unsure about balancing equation I would like for someone to let me know if I am working this out correctly? I have to write a balanced equation for the reaction when solid magnesium is added to a solution of lead(ii)nitrate, solid lead forms and the

    asked by jazz on April 14, 2014
  31. Chemistry

    When nitrogen dioxide is bubbled through a solution of potassium permanganate, the solution turns colorless. Which of the following statements is true? Question 3 options: 1) The test reveals that nitrogen dioxide is a colored gas. 2) The test reveals that

    asked by Carley B. on February 8, 2017
  32. Chemistry

    How can Nitrogen and oxygen form nitrogen dioxide if both nitrogen and oxygen have a negative charge?

    asked by Kelsey on February 13, 2008
  33. Calculating Vapor Pressure

    The vapor pressure of nitrogen at several different temperatures is shown below. Temperature (K) Pressure (Torr) 65 130.5 70 289.5 75 570.8 80 1028 85 1718 1. Use the data to determine the heat of vaporization of nitrogen in kJ/mol. 2.Determine the normal

    asked by Kyle on January 17, 2010
  34. stoichiometry

    if 5.00g magnesium is combined with 10.0 g of chlorine, show by calculation which substance is the limiting reactant and calculate the theoretical yield of magnesium chloride for the reaction. Someone PLEASE HELP ME!!!!

    asked by Laura on September 11, 2009
  35. Chemistry

    Given below is a reaction 2Mg+O2 = 2MgO Mass of magnesium oxide formed by buring 24g of magnesium in air is a.16g b.80g c.20g d.40g

    asked by Rashi on March 18, 2017
  36. chemistry

    Upon decomposition, one sample of magnesium fluoride produced 1.95 kg of magnesium and 3.05 kg of fluorine. A second sample produced 1.10 kg of magnesium.

    asked by elijah mann on March 17, 2014
  37. science chemistry

    A basic amino acid,arginine,has a molar mass of 174g.mol^-1.it has the following percentage composition:41,38% carbon, 18,39% of oxygen,32,18% of nitrogen and 8,O5% of Hydrogen.determine the molecular formular of arginine

    asked by bob on June 14, 2015
  38. Chemistry

    Upon decomposition, one sample of magnesium fluoride produced 1.65kg of magnesium and 2.58kg of fluorine. A second sample produced 1.50 kg of magnesium. How much fluorine (in grams) did the second sample produce?

    asked by Eliza on October 9, 2012
  39. Chemistry

    one sample of magnesium fluoride produced 1.65kg of magnesium and 2.58kg of fluorine. A second sample produced 1.31kg of magnesium. How much fluorine (in grams) did the second sample produce?

    asked by Jay on September 26, 2013
  40. chemistry

    A sample of Nitrogen(N2)& Helium has a volume of 250mL @ 30degrees celsius & a total pressure of 745 mmHg a)If the pressure is 32mmHg what is the partial pressure of the Nitrogen? b) What is the volume of the Nitrogen at STP? Did not understand previous

    asked by Connie on March 24, 2011
  41. Chemistry

    The burning of the magnesium becomes uncontrolled (it burn brightly. Oops! How will this procedural error affect the reported mole ratio of magnesium to oxygen in the analysis? Explain.

    asked by Alex on June 13, 2010
  42. chemistry

    A sample of Nitrogen(N2)& Helium has a volume of 250mL @ 30degrees celsius & a total pressure of 745 mmHg a)If the pressure is 32mmHg what is the partial pressure of the Nitrogen? b) What is the volume of the Nitrogen at STP?

    asked by Connie on March 24, 2011
  43. chem

    A 1.5-L container of liquid nitrogen is kept in a closet measuring 1.2 m by 1.2 m by 1.8 m . Assume that the container is completely filled to the top with liquid nitrogen, that the temperature is 21.8 ∘C, and that the atmospheric pressure is 1.2 atm .

    asked by gdfgdsfa on October 24, 2015
  44. Chemistry

    Rank the following fertilizers in decreasing order of mass percentage of nitrogen: NH3 NH4NO3 (NH4)2HPO4 KNO3 (NH4)H2PO4 (NH4)2SO4

    asked by Anonymous on January 16, 2011
  45. chemistry

    Analysis of a compound shows carbon hydrogen and nitrogen present. Each molecule contains one nitrogen atom. A 150. Mg sample of the compound produces 27.4 mg of NH3 in which all the nitrogen comes from the sample. Which of the following is the formula for

    asked by Lucy on September 25, 2011
  46. chem (science)

    Which of the following pairs of elements are likely to form ionic compounds: A) helium and oxygen B) magnesium and chlorine C) chlorine and bromine D) potassium and sulfur E) sodium and potassium F) nitrogen and oxygen I believe the answer is d and f Would

    asked by jake on September 18, 2011
  47. Chemistry

    6 separate questions. I have figured out the other 20 questions I am stuck. Please help Thanks The correct name for the ionic compound Al2Se3 is? The correct name for the ionic compound Fe2Se3 is? the Roman numerall III in the name Iron(III)oxice indicates

    asked by Lisa on February 9, 2014
  48. Chemistry

    A 24 L welding tank contains of 285 bar of argon at 28 °C. Nitrogen is added to obtain an 80:20 argon:nitrogen mixture. a) What are the partial pressures of argon and nitrogen? b) What will be the total tank pressure?

    asked by Po on November 21, 2016
  49. chemistry

    A 1.5-L container of liquid nitrogen is kept in a closet measuring 1.3 m by 1.3 m by 1.8 m. Assuming that the container is completely full, that the temperature is 22.3 C, and that the atmospheric pressure is 1.2 atm , calculate the percent (by volume) of

    asked by samantha(very important) on October 23, 2011
  50. Chem 105

    A 1.5-L container of liquid nitrogen is kept in a closet measuring 1.3 m by 1.3 m by 1.8 m. Assuming that the container is completely full, that the temperature is 22.3 C, and that the atmospheric pressure is 1.2 atm , calculate the percent (by volume) of

    asked by JULIE on October 23, 2011
  51. Chemistry

    In a combination reaction, 2.22 g of Magnesium is heated with 3.75 g of Nitrogen a) which reactant is present in excess? b) how many moles of product are formed? c) after reaction, how many grams of each reactant and product are present?

    asked by Saige on October 10, 2011
  52. chemistry

    After writing a balanced equation for the reaction between magnesium and hydrochloric acid, calculate the mass of magnesium needed to produce 90ml of hydrogen gas @ STP conditions.

    asked by Tiffany on December 9, 2010
  53. chemistry

    In the reaction O2+2NO->2NO2 what is the ratio of oxygen reacted to nitrogen dioxide produced? Nitrogen monoxide to nitrogen dioxide? We had to calculate the concentration of each, for which I have O2=-1.01x10^-5, NO=-2.03x10^-5 and NO2=2.04x10^-5. I'm not

    asked by alyssa on March 12, 2015
  54. Chemistry

    Consider a 1.50-g mixture of magnesium nitrate and magnesium chloride. After dissolving this mixture in water, 0.500M of silver nitrate is added dropwise until precipitate formation is complete. The mass of the white precipitate formed is 0.641 g.

    asked by John on September 18, 2010
  55. Chemistry

    Phosphoric acid reacts with magnesium hydroxide to produce magnesium phosphate and water via the following reaction:H3PO4 + Mg(OH)2 -----> Mg3(PO4)2 + H2O.Balance the equation, then enter the coefficients

    asked by Christy on May 31, 2011
  56. Chemistry

    Write the two chemical equations that describe the conversion of magnesium into magnesium oxide. 2Mg(s)+O2(g)->2MgO(s?) First off, would MgO be a solid or gas? And I have no idea what the 2nd equation could be.. Can anyone give me a hint?

    asked by Anonymous on October 14, 2009
  57. Chem

    Please tell me if these are right. How many grams are needed to obtain 1.5 moles of magnesium oxide? I got 60grams is this right? Write a balanced equation for the reaction of the magnesium and the oxygen including their physical states. I got 2Mg=Mg2+O2?

    asked by Jason on October 23, 2010
  58. chem

    What is the actual amount of magnesium oxide produced when excess carbon dioxide reacts with 42.8 g of magnesium metal? The percent yield of MgO(s)for this reaction is 81.7%. 2Mg(s) . CO2(g) y 2MgO(s) . C(s)

    asked by Anonymous on June 2, 2008
  59. AP Chemistry i need help!

    A 21.5997 g sample of impure magnesium carbonate was heated to complete decomposition according to the equation MgCO3(s) → MgO(s) + CO2(g). After the reaction was complete, the solid residue (consisting of MgO and the original impurities) had a mass of

    asked by Rafael on September 5, 2012
  60. AP chemistry

    A 22.709 g sample of impure magnesium carbonate was heated to complete decomposition according to the equation MgCO3(s) → MgO(s) + CO2(g). After the reaction was complete, the solid residue (consisting of MgO and the original impurities) had a mass of

    asked by valerie on September 6, 2012
  61. AP Chemistry

    A 23.9475 g sample of impure magnesium carbonate was heated to complete decomposition according to the equation MgCO3(s) → MgO(s) + CO2(g). After the reaction was complete, the solid residue (consisting of MgO and the original impurities) had a mass of

    asked by Rain on September 19, 2017
  62. chemistry

    A 21.8603 g sample of impure magnesium carbonate was heated to complete decomposition according to the equation MgCO3(s) → MgO(s) + CO2(g). After the reaction was complete, the solid residue (consisting of MgO and the original impurities) had a mass of

    asked by Anonymous on September 9, 2014
  63. AP Chemistry

    A 21.0054 g sample of impure magnesium carbonate was heated to complete decomposition according to the equation MgCO3(s) → MgO(s) + CO2(g) . After the reaction was complete, the solid residue (consisting of MgO and the original impurities) had a mass of

    asked by Tina on September 14, 2011
  64. AP Chemistry

    A 28.4858 g sample of impure magnesium carbonate was heated to complete decomposition according to the equation MgCO3(s)→MgO(s) + CO2(g).After the reaction was complete, the solid residue (consisting of MgO and the original impurities) had a mass of

    asked by Gabriella on August 31, 2013
  65. Chemistry

    A 28.4378 g sample of impure magnesium carbonate was heated to complete decomposition according to the equation MgCO3(s) → MgO(s) + CO2(g). After the reaction was complete, the solid residue (consisting of MgO and the original impurities) had a mass of

    asked by Zawng on September 10, 2013
  66. Chemistry

    Magnesium nitrate reacts with lithium sulfate in a double replacement reaction. You have 3.45 g of lithium sulfate and 275 mL of magnesium nitrate. Calculate the molarity of the Magnesium nitrate solution in the reaction.

    asked by Bella on February 22, 2012
  67. Chemistry

    Under certain conditions, nitrogen gas reacts with oxygen gas to form nitrogen monoxide gas. How many total electrons are transferred for each molecule of nitrogen or oxygen?

    asked by Kiana on March 26, 2016
  68. Chemistry

    Help with any of these:    21. Aluminium sulphate is often used by gardeners to acidify soil and can be produced by the reaction 2Al(OH)3(aq) + 3 H2SO4(aq) à Al2(SO4)3(aq)  + 6 H2O(l) The volume of 0.275 mol/L H2SO4(aq) needed to react completely with

    asked by Emily on September 9, 2012
  69. chemistry

    magnesium has 3 isotopes. Magnesium-24 has a percent abundance of 78.99%. Magnesium-26 has a percent of 11.01%. what is the percent abundance of magnesium-25? assume that there are no other magnesium isotopes. how do i do this please help

    asked by monique n on December 8, 2010
  70. chemistry

    Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? A. Magnesium has a 22 oxidation number and chlorine has 1+ oxidation number. B. Magnesium has 1+ oxidation number and chlorine has a 12 oxidation number. C.

    asked by Yui on August 24, 2014
  71. science

    these are my homework questions can you answer any???there are 4 1 A pupil placed some magnesium in a gas jar of oxygen How could the rate of reaction between these substances be increased 2 Complete the word equation for the reation magnesium and oxygen 3

    asked by lauren on November 29, 2006
  72. chemistry

    in an attempt to establish the formula of an oxide of nitrogen , a known volume of the pure gas was mixed with hydrogen and passed over a catalyst at a suitable temperature. 100% conversion of the oxide to ammonia and water was shown to have taken place.

    asked by harish on February 10, 2013
  73. chemistry

    in an attempt to establish the formula of an oxide of nitrogen , a known volume of the pure gas was mixed with hydrogen and passed over a catalyst at a suitable temperature. 100% conversion of the oxide to ammonia and water was shown to have taken place.

    asked by harish on February 13, 2013
  74. chem

    Magnesium can react with aqueous nitric acid, HNO3, to form hydrogen gas and magnesium nitrate. Write down the balanced chemical equation for this reaction, remembering to use the state symbols.

    asked by ecquation on April 3, 2016
  75. science

    Magnesium can react with aqueous nitric acid, HNO3, to form hydrogen gas and magnesium nitrate. Write down the balanced chemical equation for this reaction, remembering to use the state symbols.

    asked by ecquation on April 3, 2016
  76. Chemistry

    Magnesium metal reacts with hydrochloric acid to form magnesium chloride and hydrogen gas. Suppose we react an excess of magnesium metal with 13.2 mL of a 3.00 M solution of hydrochloric acid and collect all of the hydrogen in a balloon at 25oC and 1.00

    asked by Priya on May 5, 2011
  77. chemistry

    Examine the scenario. A magnesium (Mg) atom gives one electron to two atoms of another element, and takes on a 2+ charge. The two atoms of the other element each form a 1− charge. As a result, the magnesium ion and the two ions of the other element

    asked by please help on August 30, 2017
  78. Physics/Chem

    an experiment, a 0.280-kg piece of ceramic superconducting material at 23 °C is placed in liquid nitrogen at its boiling point (−195.8 °C) to cool. The nitrogen is in a perfectly insulated flask that allows the gaseous N2 to escape immediately. How

    asked by Jeff Kinka on July 2, 2016
  79. Chemistry

    Are these correct? 1. KBr: Potassium Bromide 2. Cu2O: Copper (I) Oxide 3. HCl: Hydrochloric Acid 4. N2O4: Dinitrogen Tetroxide 5. H3P: Hydrophosphoric Acid 6. FeS: Iron (II) Sulfide 7. Ag2SO4: Silver Sulfate 8. HNO2: Nitrous Acid 9. Pb(CO3)2: Lead (IV)

    asked by Anonymous on January 12, 2011
  80. Chemistry

    A .1360 g sample of a mixture of magnesium and calcium carbonates when treated with HCL evolves 32.25 cm cubed of carbon dioxed measured dry at STP. Calculate the percent of magnesium carbonate in the mixutre.

    asked by Rachel on October 5, 2011
  81. Science

    Magnesium burns quickly in flashbulbs when an electric current passes through it, providing a bright light for exposing film. Why do you suppose the inside of the bulb containing the magnesium is filled with a "noble" gas instead of air?? Please help!

    asked by Season on October 25, 2010
  82. Science

    Magnesium burns quickly in flashbulbs when an electric current passes through it, providing a bright light for exposing film. Why do you suppose the inside of the bulb containing the magnesium is filled with a "noble" gas instead of air??

    asked by Caitlyn on October 26, 2010
  83. Statistics

    A Gallup Poll reported the percentage of Americans who approve of the President's job performance was 47% with a margin of error of 2 percentage points. What is a 95% confidence interval for the population percentage? A. 41% to 53% B. 45% to 49% C. 46% to

    asked by Mary on May 18, 2012
  84. 전자재료

    Uranium metal can be produced by the reaction of uranium tetrafluoride (UF4) with magnesium (Mg) in a sealed reactor heated to 700oC. The by-product is magnesium fluoride (MgF2). To ensure that all the magnesium is consumed in the reaction, the reactor is

    asked by tore on May 9, 2017
  85. Chemistry

    A 28.4288 g sample of impure magnesium car- bonate was heated to complete decomposition according to the equation MgCO3(s) ! MgO(s) + CO2(g) . After the reaction was complete, the solid residue (consisting of MgO and the original impurities) had a mass of

    asked by Brett on September 21, 2012
  86. Chem

    What's the formula for cobalt II nitride pentahydrate?

    asked by Anonymous on October 30, 2012
  87. chemistry

    5.50 grams of nitrogen triiodide are detonated in a closed 7.00 L flask that was under full vacuum initially. The nitrogen triiodide forms nitrogen gas and iodine gas upon detonation. What is the partial pressure of the iodine gas (in Pa) when the vessel

    asked by Jazmin on October 9, 2010
  88. Chemistry

    350 calories of heat is added to a sample of nitrogen gas, and the temperature is increased by 89 degrees celsius. what is the mass of the sample of nitrogen gas? For this we'll presume that you are either given, or can find the specific heat of Nitrogen

    asked by Allie on November 1, 2006
  89. Chemistry

    Duralin is an alloy of aluminium containing 4.5% manganese, 3.5% copper, and 0.45% magnesium. How much magnesium is present in a 32 g sample of this alloy? Answer in units of mol

    asked by Susan on October 9, 2013
  90. Chemistry

    When 24g of Magnesium reacts with oxygen gas the only product is magnesium oxide. If 40g magnesuim is produced how much oxygen was consumed?

    asked by Loren on March 23, 2014
  91. chemistry

    average atomic mass of magnesium is 24.31 amu. this magnesium is composed of 79 mole % of ^24 Mg and remaining 21mole % of ^25 Mg. calculate mole % of ^26Mg.

    asked by shish on June 17, 2014
  92. chemistry

    Duralin is an alloy of aluminium containing 4.5% manganese, 3.5% copper, and 0.45% magnesium. How much magnesium is present in a 90 g sample of this alloy? Answer in units of mol

    asked by lynn on November 6, 2011
  93. chemistry

    A sample of magnesium (13 g) when heated in air produces 22 g of product. What percent (by weight) of magnesium is present in the product? Answer in units of %.

    asked by z on September 9, 2010
  94. chemistry

    Magnesium reacts with HCl to produce magnesium chloride and hydrogen gas. Mg(s)+2HCl(aq)->MgCl2(aq)+H2(g). What is the molarity of the HCl solution if 330 ml of the HCl solution reacts with magnesium to produce 7.40 L of H2 gas measured at STP?

    asked by Dana on October 9, 2010
  95. college chemistry

    If the equilibrium constant (Keq) equals 9.12x1012 for the following reaction between strontium and magnesium: Sr(s) + Mg2+(aq) Sr2+(aq) + Mg(s) Calculate Eo for a strontium=magnesium battery.

    asked by alex on April 14, 2011
  96. Chem 130

    How many grams of magnesium chloride should be produced by the single displacement reaction between 0.578 grams of magnesium metal and an excess hydrochloric acid?

    asked by michelle on October 30, 2014
  97. chemistry

    When magnesium is burnt completely in air the totol mass of the product was found to be grater than the original mass of the piece of magnesium.explain

    asked by Ali on June 14, 2011
  98. chemistry

    when 18.66 g of magnesium react with 22.28g of oxygen, 30.94g of megnesium oxdie forms. If all the magnesium reacts, how many grams of oxygen remain un-reacted?

    asked by jason on November 21, 2007
  99. college chemistry

    If the equilibrium constant (Keq) equals 9.12x1012 for the following reaction between strontium and magnesium: Sr(s) + Mg2+(aq) Sr2+(aq) + Mg(s) Calculate Eo for a strontium=magnesium battery.

    asked by alex on April 13, 2011
  100. Chemistry

    What is the maximum amount of magnesium chloride you can produce when 15 g of magnesium (Mg) reacts with 20 g of hydrochloric acid (HCl)? Mg + HCl → MgCl2 + H2

    asked by Malia on January 21, 2018