Chapter 2, Problem 13PIAT

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Imagine puffer fish swimming towards north at an angle of 90 In which habitat does it survive happily? What is effect of change in internal energy of liver of puffer fish due to global warming? Comment on above statement by keeping in view the first law of thermodynamics.

The existence of life is dependents on bioenergetics to overcome the restrictions of thermodynamics. What does the term bioenergetics mean? Provide one well-structured example of how bioenergetics provides the necessary conditions required for life to exist given the restrictions of thermodynamics.

Which of the following is true of thermodynamically spontaneous reactions? O A. They are all energy-yielding They are all energy-consuming They all result in an increase in the temperature of the system They all result in a decrease in the temperature of the system В.

A certain chemical reaction releases 134. kJ of heat energy per mole of reactant consumed. Suppose some moles of the reactant are put into a calorimeter (a device for measuring heat flow). It takes 3.11 J of heat energy to raise the temperature of this calorimeter by 1 °C. Now the reaction is run until all the reactant is gone, and the temperature of the calorimeter is found to rise by 9.7 °C. How would you calculate the number of moles of reactant that were consumed? Set the math up. But don't do any of it. Just leave your answer as a math expression. Also, be sure your answer includes all the correct unit symbols. moles consumed = ولا 0x10 DO 0

Figure 6.8 Look at each of the processes shown, and decide if it is endergonic or exergonic. In each case, does enthalpy increase or decrease, and does entropy increase or decrease?

In which of the following conditions is the Gibbs free energy negative? O reaction is at equilibrium process is spontaneous O reaction is exothermic O process is not spontaneous

Life is sometimes described as a constant struggle against the second law of thermodynamics. How do organisms succeed in this struggle?

What statements concerning free energy change are true or false? a. Free energy change is a measure of the rate of a reaction. b. Free energy change is a measure of the maximum amount of work available from a reaction. c. Free energy change is a constant for a reaction under any conditions. d. Free energy is related to the equilibrium constant for a specific reaction. e. Free energy change is equal to zero at equilibrium