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A 100-W lightbulb is placed in a cylinder equipped with a moveable piston. The lightbulb is turned on for 2.0×10-2 hour, and the assembly expands from an initial volume of 0.90L to a final volume of 5.88L against an external pressure of 1.0 atm.
Use the wattage of the lightbulb and the time it is on to calculate change in internal energy in joules (assume that the cylinder and lightbulb assembly is the system and assume two significant figures).
How many moles of Cl2 can be produced from the given mass of HCl. c. Which reactant is the limiting reactant? d. What is the maximum amount of Cl2 that can be produced by this reaction e. Calculate the amount of excess reactant.
A gas cylinder that contains argon has an internal volume of 6.88 L. A pressure gauge attached to the cylinder reads 1810 psi
At constant volume, the heat of combustion of a particular compound is -3698.0 KJ/mol. When 1.895 g of this compound (molar mass=181.06 g/mol) was burned in a bomb calorimeter
The combustion of butane produces heat according to the equation 2C4H10(g) + 13O2(g) -> 8CO2(g) + 10H2O(l) ->H°rxn = -5,314 kJ/mol What is the heat of combustion per gram of butane
Imagine a small electron-sensitive probe of volume 1.00pm^3 insterted into an H2+ molecule ion in its ground state. Calculate the probability that it will register the presence of an electron at the following positions
If you fill the larger tank with oxygen to a pressure of 135 , to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.
If 66.5 ml of base is required to reach the second equivalence point, what is the concentration of the acid?
What is the work in kilojoules done during a synthesis of ammonia in which the volume contracts from 7.0 L to 4.3L at a constant external pressure of 47 atm?
how much heat must be added to 36.2g sample of iron to increase its temperature by 250.0 degree C.
If 50.0 ml of NaOH solution is required to react completely with 1.24 grams KHP, what is the molarity of the Naoh solution?
For an ensemble consisting of a mole of particles having two energy levels separated by 1000. cm-1, at what temperature will the internal energy equal 2.90kJ?
Calculate the change in Gm for ice at -10C, with density 917kg/m^3 when the pressure is increased from 1.0 bar to 2.0 bar. Self test 3.12
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