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A 50 mL L air bubble escapes from a fissure at the bottom of the sea where the pressure is 15 atm and the temperature is 5.0 0C.  What is the volume of the air bubble at the surface where the temperature is 30.0 0C?

2. Describing personalities. Use each of the following adjectives to describe someone you may know. Justify your answer and use a COMPLETE sentence. Your sentence must prove you know the meaning of the word. (15 points. 3 points each answer) ejemplo: codicioso/a/e Answer: Mi prima Susana es muy codiciosa porque no es generosa y no comparte nada con sus amigos y su familia.   Adjectives you must use: mimado/a/e exitoso/a/e puntual parrandero/a/e torpe   En caso de que los necesiten (copiar y pegar): á  é  í  ó  ú  Á É Í Ó Ú    ñ  ¿ ?  ¡  !

30.0 calories is equal to how many joules of energy?

A gas absorbs 375 J of heat and expands performing 450 J of work.  What was the change in internal energy of the gas?

How much energy does it take to heat 4.0 moles of a monoatomic ideal gas from 20.0 0C to 100 0C at constant pressure? 

How much energy does it take to heat 4.0 moles of a monoatomic ideal gas from 20.0 0C to 100 0C at constant volume?

What is the entropy change when 275 g of water is heated from 20.0 0C to 80.0 0C?

What is the change in entropy when 175.0 g of steam condenses at the boiling point of water?

A refrigerator with a coefficient of performance of 4.5 absorbs 125 J of heat from its 5.00 0C interior per cycle.  How much work does it take per cycle to move this heat to a 20.0 0C exterior region?

A heat engine absorbs 350 J of heat from a 365 0C high temperature source and expels 225 J of heat to a 20.0 0C low temperature source per cycle.  What is the maximum possible efficiency of the engine?