Heat required to completely sublime dry ice
Calculate the amount of heat required to completely sublime 50.0 g of solid dry ice at its sublimation temperature. The heat of sublimation for carbon dioxide is 32.3 kJ/mol
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You are designing a remote-area power supply based on a miniature wind turbine that is 20% efficient. Meteorological data indicates an average wind speed of 24 km/h at an air temperature of 10oC and pressure of 0.9 atm.
What will the final temperature be, of a mixture made from equal masses of the following: water at 25.0C, ethanol at 35.5C and iron at 95.0C?
If NaOH is added to the solution, will the amount of CaC2O4(s) precipitate increase or decrease ? Explain why by discussing the direction of the shift in each equilibrium reaction.
2 mol of a compound is allowed to react in a foam coffee cup that contains 101 grams of water. the reaction caused the temperature of the water to rise from 21 to 24.7 C. What is the enthalpy of the reaction?
Temperature can be measured by measuring the resistance of a length of wire since the resistance of many materials changes with temperature. Platinum resistance thermometers utilize this principal to provide very stable, very accurate temperature
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Refer to the oscilloscope trigger setting. What could happen to the waveform display if the Negative Slope were to be chosen? Explain the consequence in your own words and also sketch the waveform you would see on the oscilloscope display.
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