Determine the number of moles of gas present
Determine the number of moles of gas present. A sample of nitrogen gas kept in a container of volume 2.0 L and at a temperature of 55°C exerts a pressure of 4.7 atm.
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Consider a process in which an ideal gas changes from state 1 to state 2 in such a way that its temp changes from 300K to 200K.
At local swimming hole, a favorite trick is to run horizontally off a cliff which is 6.5 m above the water. One diver runs off the edge of the cliff, tucks to the "ball," and rotates on the way down with the average angular speed of 1.4 rev/s.
The reaction caused the temperature of the water to rise from 21.0to 24.70 C. What is the enthalpy of this reaction? A total of 2.00 mol of a compound is allowed to react in a foam coffee cup that contains 183 g of water.
When the Merry-go-round is spinning at 0.2 revolutions per second before the child jumps onto its rim, determine the final angular speed of the merry-go-round and child?
Without computations, which vehicle undergoes a greater change in velocity throughout the collision? Determine how do you know?
Determine the numbers of milliliters of 2.5 M NaHCO3 must be poured on the spill to react totally with sulfuric acid? An auto technician spills 85 mL of 2.6 MH2SO4 solution from a rebuilt auto battery.
The 10 capacitor initially charged to 30 is discharged via a 2.7 resistor. Determine how long does it take to decrease the capacitor's charge to 1.0?
Initially a mixture contains 0.809 mol each of N2 and O2 in an 6.33-L vessel. Discuss the composition of the mixture when the equilibrium is reached at 3900°C. For the reaction below, the Kc = 0.0123 at 3900°C.
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