Which of the following is/are not a form of potential energy? a. Chemical d. Ela

Question

Which of the following is/are not a form of potential energy? a. Chemical d. Elastic b. Electrostatic e. All of them are forms of potential energy c. Mechanical 2. Which of the following is an exothermic reaction a. Melting of ice d. Sublimation of dry ice b. Condensation of water vapor e. Photosynthesis c. Evaporation of water 3. Calculate the change in internal energy of a system that does a work of 110 cal upon gaining a heat of 250 J a. +140 J d. -140 J b. +210 J e. -210 J c. +360 J 4. Which of the following is not a state function a. Elevation d. Heat b. Kinetic Energy e. Pressure c. Temperature 5. Calculate the amount of heat required to raise the temperature of 1.25kg of Iron from 25degreeC to 50degreeC. The specific heat capacity of Iron is 0.444J/g K a. 13.9 J d. 165 kJ b. 165 J e. -165 kJ c. 13.9 kJ 6. Write the equation for formation of 1 mole of benzoic acid (C_6H_5COOH (S)). 7. Calculate the kinetic energy (in joules) of an object ha

Explanation / Answer

Ok, I will answer questions 1 and 2, if you want others answers please fell free to post another question and we will gladly answer them:

1. Your answer is E, all of them involve a POSIBILITY of doing work, that is a simple way to explain potential energy.

2. B is the only one that involves a cahnge to a higher movement of its molecules, so it is your answer.

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