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At a pressure of 1 atm and a temperature of 20 °C, dry air has a density of 1.2256 g/L. What is the (average) molar mass of dry air?
Calculate the final Celsius temperature of sulfur dioxide if 0.500 L of the gas at 35°C and 650 mmHg is heated until the pressure reaches
How many grams of magnesium oxide are formed when 16.4 of oxygen gas, measured at STP, completely reacts with magnesium metal according to this reaction
1. a nonelectrolyte solute of 2.79grams is dissolved in h2o to make a solution of 235 ml at 29 degree celsius an
The Space Shuttle usesaluminum metal and aluminum perchlorate in its reusable boosterrockets. The products of the reactionare aluminum oxide, aluminum chloride, nitrogen oxide gas, andsteam:
Answer each of the following questions in one to three sentences.
What volume of CO2 gas is produced by the complete combustion of 2.6L (C3H8) gas? Assume all gas volumes are measured at the same temperature and pressure. C3H8 + 5O2 ---> 3CO2 + 4H2O
Nutrition experts recommend that you drink at least 8 cups of water daily. If your local water supply contains 1.00 part fluoride (by mass) per millions part water, how many milligrams of fluoride would you consume daily in your 8 cups of water
Molybdenum crystallizes in a body-centered cubic lattice (the Mo atoms are at the lattice points only). If the density of the metal is 10.3 g/cm3, what is the unit cell edge length in pm?
consider the titration of 25 mL of .25 M NH3 with .05M HBr .What is the pH at the equivalence point?
While you draw the ficsher projection for glucose, explain how come every OH is equatorial if the left side of the ficsher projection means the OH or H is axial and right side of the fischer projection means the OH or H is equatorial
The temperature of the calorimeter increased from 24.5oC to 26.7oC. If the heat capacity of the calorimeter is 4.46 kJ (oC)-1, then what is the constant volume heat of combustion of this compound, in kilojoules per mole? (Remember to include a "+"..
cis-oct-4-ene plus peroxyacetic acid explain the major organic product formed as well as how that happened? Explain why is the O not just shared between carbon 4 and 5
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