Últimos artículos

• Conversion of units (1930)

  8 de noviembre de 2012 , por F_y_Q

  a) The normal body temperature is . Express this value in K.

  b) If an object has a temperature of 354 K, what is its temperature in Celsius?

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• Energy transformations (1929)

  7 de noviembre de 2012 , por F_y_Q

  What type of energy is involved in each of the following situations?

  a) Wood is burning in the fire.

  b) A radio station is broadcasting its usual program. Waves are coming out of its antenna.

  c) A mobile phone is playing music.

• Definition of energy (1928)

  7 de noviembre de 2012 , por F_y_Q

  Define, with your own words, what energy is. Explain three different types of energy.

• General gas law: final volume of a gas (1927)

  5 de noviembre de 2012 , por F_y_Q

  Calculate the final volume of a gas at and 1.1 atm, when its volume is 3 L and the temperature and pressure are increased to and 1.3 atm.

• Defining pressure, heat and the Molecular Kinetic Theory for gases

  5 de noviembre de 2012 , por F_y_Q

  Define, with your own words, the following concepts:

  a) Pressure

  b) Heat

  c) Molecular Kinetic Theory for gases.