Final temperature when thermal equilibrium is reached
A 45.5g sample of copper at 99.8 Celsius is dropped into a beaker containing 151 g of water at 18.5 Celsius. What is the final temperature when thermal equilibrium is reached?
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A 3.00 L helium balloon, initially at STP, floats up to an altitude of 10 km, where the pressure is 200.0 torr and the temperature is -45°C. What is the balloon's new volume?
A rigid tank has a volume of 0.06m3 and initially contains a two-phase liquid-vapour mixture of H2O at a pressure of 15 bar and a quality of 20%.
If an air bubble is originally trapped in the buret tip but disappears during the titration, how does this affect the calculation of the ascorbic acid in the sample of juice? Explain.
The one way bandwidth available to a single operator in the telecommunication system is 12.5 Mhz with a bandwidth of 30 Khz and 21 control channels. Calculate the efficiency with which this system utilizes bandwidth for a particular installati
A 325 mL sample of solution contains 25.3 grams of CaCl2. Calculate the molar concentration of Cl- in this solution.
A mixture of gases contains 0.290 mol CH4, 0.250 mol C2H6, and 0.270 mol C3H8. The total pressure is 1.60 atm. Calculate the partial pressure of the gases.
After the reaction comes to equilibrium, an additional 1.00g of O2(g) is added to the system. What is the expected partial pressure of SO2(g) then?
A pressure of 0.31 atm of NO2 is introduced into a container and allowed to come to equilibrium. What are the equilibrium partial pressures of NO(g) and O2(g)?
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