Anonymous asked 5/14/2010 The Number Of Grams Of Oxygen Required For The Complete Combustion Of 4.00 Grams Of Methane (CH4) Is?
Anonymous asked 5/14/2010 The Composition Of Dry Air Is Approximately 78% Nitrogen, 21% Oxygen, And 1% Other Gases. What Is The Partial Pressure Of Nitrogen At Standard Atmospheric Pressure (101.3 KPa)?
Anonymous asked 5/14/2010 As Heat Is Added To A Substance Undergoing A Phase Change, The Temperature Remains Constant Because The Energy Is Being Used To?
Anonymous asked 5/12/2010 Soda Water Is A Solution Of Carbon Dioxide In Water. This Solution Is Composed Of A -?
Anonymous asked 5/12/2010 CH4 + 2O2 → CO2 + 2H2O If 1.0 Mole Of Methane Reacts With Oxygen To Produce Carbon Dioxide And Water, What Mass Of Water Is Produced?
Anonymous asked 5/12/2010 Carbon Disulfide Is Prepared Industrially By Reacting Carbon With Sulfur Dioxide According To The Above Equation. If 5.9 Moles Of Carbon React, How Many Moles Of CS2 Are Produced?
Anonymous asked 5/11/2010 The Specific Heat Of Aluminum Is 0.900 J/g•°C. How Much Heat Is Required To Raise The Temperature Of A 30.0 G Block Of Aluminum From 25.0°C To 75.0°C?
Anonymous asked 5/11/2010 A 0.67 L Solution Of Ammonium Sulfate, (NH4)2SO4, Contains 0.81 Mole Of The Solute. What Is The Approximate Molarity Of The Solution?
Anonymous asked 5/11/2010 When Magnesium Metal (Mg) Is Burned, It Forms MgO. How Many Moles Of Oxygen Gas (O2) Are Needed To Burn 10 Moles Of Mg?
Anonymous asked 5/10/2010 What Type Of Chemical Reaction Take Place And What Substance Involved.during The Eruption Of A Volcano In The Result Of A Chemical Reaction?
Anonymous asked 5/7/2010 A Gas Cylinder Is Filled With 4.00 Moles Of Oxygen Gas At 300.0 K. The Piston Is Compressed To Yield A Pressure Of 400.0 KPa. What Is The Volume Inside The Cylinder?
Anonymous asked 5/4/2010 Water And Ammonia Have Different Molar Heats Of Vaporization. The Best Interpretation, At The Molecular Level, Is That Water Molecules -?
Anonymous asked 5/2/2010 A Solution Of Sodium Carbonate, Na2CO3, That Has A Molarity Of 0.0100 M Contains __________ Equivalents Of Sodium Ions Per Liter Of The Solution?
