SOLVED

 10.1 Multiple Choice Questions 1) Define thermal energy. A) energy associated with the temperature of an object B) energy associated with the motion of an object C) energy associated with the force of an object D) energy associated with the gravity of an object E) energy associated with the position or composition of an object 2) Define kinetic energy. A) energy associated with the temperature of an object B) energy associated with the motion of an object C) energy associated with the force of an object D) energy associated with the gravity of an object E) energy associated with the position or composition of an object 3) Define potential energy. A) energy associated with the temperature of an object B) energy associated with the motion of an object C) energy associated with the force of an object D) energy associated with the gravity of an object E) energy associated with the position or composition of an object 4) Energy that is associated with the relative positions of electrons and nuclei in atoms and molecules is called A) kinetic energy. B) thermal energy. C) gravitational energy. D) chemical energy. 5) Which of the following statements about energy is false? A) Energy can be converted from one type to another. B) The total energy of a system remains constant. C) Kinetic energy is the energy associated with its position or composition. D) Energy is the capacity to do work. E) Systems tend to change in order to lower their potential energy. 6) The law of ________ states that energy that can be neither created or destroyed. A) kinetic energy B) the consecration of energy C) potential energy D) the conservation of energy E) thermochemistry 7) Which of the following signs on q and w represent a system that is doing work on the surroundings, as well as gaining heat from the surroundings? A) q = +, w = – B) q = -, w = + C) q = +, w = + D) q = -, w = – E) None of these represent the system referenced above. 8) For ΔEsys to always be -, what must be true? A) q = w B) +q > -w C) +w > -q D) -w > +q 9) Which of the following (with specific heat capacity provided) would show the smallest temperature change upon gaining 200.0 J of heat? A) 50.0 g Al, CAl = 0.903 J/g°C B) 50.0 g Cu, CCu = 0.385 J/g°C C) 25.0 g granite, Cgranite = 0.79 J/g°C D) 25.0 g Au, CAu = 0.128 J/g°C E) 25.0 g Ag, CAg = 0.235 J/g°C 10) Determine the specific heat capacity of an alloy that requires 59.3 kJ to raise the temperature of 150.0 g alloy from 298 K to 398 K. A) 4.38 J/g°C B) 2.29 J/g°C C) 3.95 J/g°C D) 2.53 J/g°C E) 1.87 J/g°C 1