A battery acquires and stores
A) potential.
B) charge.
C) energy.
D) energy, charge, & potential.
E) charge & potential but not energy.
D
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An ideal gas in a balloon is kept in thermal equilibrium with its constant-temperature surroundings
How much work is done by the gas if the outside pressure is slowly reduced, allowing the balloon to expand to 6.0 times its original size? The balloon initially has a pressure of and a volume of The ideal gas constant is R = 8.314 J/mol ? K. A) 120 J B) 390 J C) -330 J D) 6.0 J
What do we mean by the term inflation?
A) a sudden and extremely rapid expansion of the universe that occurred in a tiny fraction of a second during the universe's first second of existence B) the expansion of the universe that we still observe today C) the sudden release of photons when a particle and antiparticle annihilate one another D) quantum fluctuations by high speed, relativistic particles in a state of false vacuum that caused disturbances in the space—time continuum leading to the process described in the question to which this answer refers
Long 20 cm by 20 cm square steel stock having a thermal conductivity of 50 W/mK and thermal diffusivity of 1 x 10^-5m^2/s is put in oil at 100ºC when the steel stock is at 300ºC. With a convective heat transfer coefficient of 150 W/m^2K, determine the temperature of the center and the edge of the stock after being heated for 2 minutes in the oil.
What will be an ideal response?
The binding energy of the hydrogen atom in its ground state is -13.6 eV. What is the energy when it is in the n = 5 state?
A) 2.72 eV B) -2.72 eV C) 0.544 eV D) -0.544 eV E) None of the given answers are correct.