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A steel cylinder with a volume of 12.50 L contains oxygen gas at a pressure of 127 atm at 25C. The Tank contains how many grams of oxygen gas?
Determine the partial pressure of Ar, argon gas in the flask and A flask is filled with 1.20 of argon Ar gas at the temperature of twenty five degree Celsius.
Draw a structure showing four water molecules bonded to a central water molecule by means of hydrogen bonding. Explain why the pressure of the atmosphere decreases with increasing altitude
Calculate the molar amounts of NaOH used in the reaction with the HCI solution and with the HC2H3O2 solution?
Hydrogen gas was cooled from 150C to 50 C. It's new volume is75 mL. What was it's original volume?
a bomb clorimeter contains 2.5 liters of water if the combustion of .175 moles causes the temperature of the water to rise 45 degrees celsius, what is the molar heat of combustion.
A 4.40 g piece of solid CO2( dry ice) is allowed to vaporize(change to gas) in a ballon. The final volume of balloon is 1.00 L at 300L. What is the pressure of the gas?
The specific heat of ethanol is 2.44j/g times degrees celcius. How many kilojoules of energy are required to heat 50.0 g of ethanol from -20.0 degrees celcius to 68.0?
What are the effects of temperature, molarity, surface area, nature of the reactants, and the presence of a catalyst on the reaction rate of Zn(s)+2HCl(aq)-> ZnCl2(aq)+ H2(g)
The rate constant for a certain reaction is k = 2.60×10-3 s-1 . If the initial reactant concentration was 0.200M , what will the concentration be after 14.0 minutes?
calculate the theoretical moles of NaOH that should be necessary to reach the equivalence point
When 1 mol of H2O and 1 mol of CO are placed in an empty 1L reaction vessel at 959K, the equilibrium mixture containes 0.422 mol of water vapor. Find Kc at 959K if the equation is: H2O(g) + CO(g) H2(g) + CO2(g)
If 1.500 g of solute having molar mass of 125.0 g were dissolved in 35 g of camphor, what would be the resulting freezing point of the solution?
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