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constants
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1. When a wheel rolls on a surface, the energy transferred by the tires to the surface is called:
fictional heating potential energy kinetic energy carpet burn pathway

2. Which compound is not in natural gas?
propane methane butane ethane all of the above

3. The law of conservation of energy states that:
energy cannot be destroyed energy cannot be created energy can be converted form one form to another none of the above

4. Which of the following is NOT a conventional definition of standard states?
the standard state of a gaseous substance is a pressure of 1 atm for a substance in a solution, the standard state is a concentration of 1 M for a pure substance in a condensed state, the standard state is the pure liquid or solid for a liquid, the standard state is STP for an element, the standard state is the form in which the element exists under 1atm and 25C

5. Which of the following is a state function?
heat work energy A&B none of the above

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