Define entropy. Hypothetically, when could entropy of the entire Universe be zero?
Define entropy. Hypothetically, when could entropy of the entire Universe be zero?
Why is entropy of the universe equal to zero in a reversible process?
The entropy of the universe is __________. a) continually increasing b) continually decreasing c) zero d) the same as the energy, E e) constant
For a process to be spontaneous: a) b) the entropy of universe increases and Gibbs energy of the system decreases. the entropy of system decreases and Gibbs energy of the universe increases. the entropy of system increases and Gibbs energy of the universe decreases the entropy of universe decreases and Gibbs energy of the system increases. c) d)
The net change in the entropy of the universe during an adiabatic, irreversible process is: a) positive b) negative c) zero d) the integral of dQ/T e) indeterminate
Qualitative Predictions about Entropy Another way of looking at entropy is that the universe is moving toward a broader distribution of energy. The universe has a constant amount of energy as stated in the first law of thermodynamics. The universe started with low entropy (concentrated in the moment before the "big bang") and the entropy has since been constantly increasing by distributing this energy. Heat distribution from high temperature to low temperature is a another example of this phenomenon. Classify...
CHANGES IN ENTROPY OF UNIVERSE VS SYSTEM. Evaluating Spontaneity Considering both Entropy and Enthalpy 7. In a spontaneous process, which of the following always increases? a. the entropy of the system b. the entropy of the surroundings c. the entropy of the universe d. the entropy of the system and the universe c. the entropy of the system, surroundings and the universe (Hand S refer to the system), a. AH>0 8. Processes are always spontaneous, regardless of temperature, when and...
20. Which of the following statements is FALSE? A. The entropy of the universe increases during spontaneous processes. B. During chemical and physical changes, energy is conserved. C. The entropy of H2O liquid is greater than the entropy of H2O solid at 0°C. D. The entropy of O2(g) should be greater than the entropy of CO2(g) when at the same temperature, E. The absolute entropy of a substance generally decreases when temperature decreases.
Determine the change in entropy of the universe,in J/k when 2 moles of nitrogen at 20 C are expanded isothermally in a piston-cylinder device with a change in pressure from 2 to 1 bar.The heat loss to the surroundings at 20 C is 3.4 kJ
why are the other options wrong? For a process to be spontaneous: the entropy of universe increases and Gibbs energy of the system decreases. a) the entropy of system decreases and Gibbs energy of the b) universe increases. the entropy of system increases and Gibbs energy of the universe decreases. c) of universe decreases and Gibbs energy of the d) the entropy increases system
14. For every natural process, the entropy of the universe