Acceleration and deceleration problem
A hotel elevator ascends 160 {rm m} with a maximum speed of 4.5 {rm m/s}. Its acceleration and deceleration both have a magnitude of 1.3 {rm m/s^2}. How long does it take to make the complete trip from bottom to top?
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What minimum mass of water (in {rm g}) has to evaporate to absorb 173 {rm kJ} of heat?
Sketch a series of titration curves for the titration of a strong acid with a strong base where the concentration of the acid is 10-1, 10-2, and 10-3 mol dm-3 respectively.
You burn 0.0956 g of the compound and isolate 0.1356 g of CO2 and 0.0833 g of H2O. What is the empirical formula of the compound?
The homogeneous gas reaction A→3R follows second-order kinetics. For a feed rate of 6& ; m 3 /hr of pure. A at 5 atm and 350ºC ,an experimental reactor consisting of a 2.5 cm ID pipe& ; 2 m long give 60 % conversion of feed. A commercial
Which of the following combinations is not suitable for making a buffer?
If the solution of the salt in the cell described in question 10 is saturated, chlorine is produced at the anode instead of oxygen. Using an applied potential of 5.0V to overcome kinetic effects, and a current of quarter million amps,
A 1.30 g sample of dry ice is added to a 760 mL flask containing nitrogen gas at a temperature of 25.0 degrees Celcius and a pressure of 735 mmHg. The dry ice is allowed to sublime (convert from solid to gas) and the mixture is allowed to return t
A 57 g sample of water with a temperature of 16?C is added to 260 g water at 90?C in an insulated container. What is the final temperature after thermal equilibrium is reached?
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