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Many gases are shipped in high-pressure containers. Consider a steel tank whose volume is 71.0 L and which contains O2 gas at a pressure of 17300 kPa at 25°C. (a) What mass of O2 does the tank contain? kg (b) What volume would the gas occupy at STP? L (c) At what temperature would the pressure in the tank equal 150. atm? K (d) What would be the pressure of the gas, in kPa, if it were transferred to a container at 24°C whose volume is 52.60 L? kPa
an automobile gasoline tank holds 21 kg of gasoline. when gasoline burs 81 kg of oxygen is consumed and carbon dioxide
Gases azomethane decomposes in a first order reaction when heated: CH3NNCH3 --> N2 + C2H6. The rate constant is 0.0216 min-1. If the initial quantity of azomethane in the flask is 2.00 g, how much remains after 0.0500 hour
What is the pH of 1.0 x 10^-4 M phenol where ka = 1.3 x 10^-10? This is a weak acid under dilute conditions. You need to take into account water self-dissociation to find the hydronium concentration.
burned in a bomb calorimeter, the temperature of the calorimeter (including its contents) rose by 4.701 °C. What is the heat capacity (calorimeter constant) of the calorimeter?
a 2.545g sample contains carbon hydrogen and oxygen. it is subjected to carbon-hydrogen analysis and 3.703g of co2 and
determine how many kgs of methane ch4 are in completely insulated piston with the given properties pressure 3 bar
Rank the relative nucleophilicity of the indicated species in ethanol. CH3OH CH3S- CH3COOH CH3O- CH3COO-
A 2.9 m solution of methanol (CH3OH) in water has a density of 0.984 g/ml. What are the a) mass percent, b) molarity, and c) mole fraction of methanol in this solution?
Determine What is the difference in energy between the ground and excited state if the absorption spectrum of rhodopsin is centered at roughly 500. nm.? what is the probability of rhodopsin populating the first excited state At a physiological tem..
Name two important forms of injury from electricity and how to avoid them
What would you guess is the sign for the change in entropy for this reaction. b) What is the expected sign for the change in free energy for this reaction c) Finally, what is the expected sign for the change in enthalpy for this reaction
Addition of bromine to 130 mg of trans-stilbene gave 200 mg of meso-dibromide. Calculate the percentage yield.
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