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Oxygen gas (PO2 = .910 atm), helium gas (PHe = 1.24 atm), and carbon dioxide gas occupy the same container with a total pressure of 2.84 atm. What is the PCO2?
An experiment shows that a 247 mL gas sample has a mass of 0.432 g at a pressure of 747 mmHg and a temperature of 28 degrees celcius.What is the molar mass of the gas?
An aqueous solution is 22.0% by mass silver nitrate, AgNO3, and has a density of 1.22 g/mL. What is the molarity of silver nitrate in the solution?
predict the physical state of ammonia at -50 degrees c mp-77 degrees c bp-33 degrees c and normal atmospheric
Explain why the extrapolated temperature is used to determine the maximum temperature of the mixture rather than the highest recorded temperature in the experiment.
A 2.000-L flask was filled with 0.0393 mol SO2 and 0.0197 mol O2. At equilibrium at 907 K, the flask contained 0.0299 mol SO3. How many moles of each substance were in the flask at equilibrium?
a sample of soil from a newly discovered caveis analyzed by a team of explorers. they find an element that is agood
Draw and exlpain using representation of molecular orbitals the structure and bonding found in ethane; indicate clearly the structure
Problem- Ammonium perchlorate is the solid rocket fuel used by the U.S. Space Shuttle. It reacts with itself to produce nitrogen gas, chlorine gas, oxygen gas, water and a great deal of energy. 1) What mass of oxygen gas is produced by the reaction..
The compound has a carbonyl group and cannot be oxidized to carboxylic acid. what is the structure of the compound consistant with this data
Why is gravity filtration and not suction filtration used to remove suspended impurities
Calculate the heat released when 25.0 g of water at 0 degrees C crystallizes to ice at the same temp. The specific heat of water is 1.00 cal/(g *degrees C); the heat of fusion is 80.0 cal/g and the heat of vaporization is 540.0 cal/g
Petroleum is a fossil fuel containing many different carbon compounds. If the carbon atoms in petroleum have been in the ground for 325 million years
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