Determine how much energy is released as heat
C2H5OH (l) + 3O2(g) ---------> 2CO2(g) + 3H2O(l) ?H = - 1.37 x 103 kJ
When a 24.8-g sample of ethyl alcohol (molar mass = 46.07 g/mol) is burned, how much energy is released as heat? Show your calculations.
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Describe in your own words what is meant by the phrase classical humanism and why it is particularly important to the cultural and intellectual movement known as the Renaissance.
What are the advantages and disadvantages of soft-path energy development compared to hard-path energy development?
What is the lewis dot structure of iodoethane?
A 6500-kg helicopter accelerates upward at 0.60m/s^2 while lifting a 1200-kg car. (a) What is the lift force exerted by the air on hte rotors? (b) What is the tension in the cable (ignore its mass) that connects the car to the helicopter?
Which concentration is consistent with a basic solution?
Find % dissociation and pH of a solution that is 1.0 M acetic acid and 1.0 M sodium acetate. Find the pH of 0.75 M lactic acid and 0.25 M sodium lactate (Ka = 1.4 x 10-4)
How does the military interact with civilian authorities when responding to a domestic crisis? who is in charge? On what basis is this determined?
Arrange the following bonds in order of increasing bond strength.
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