Cuestionario Tema 6: Heat & Temperature

The average kinetic energy of the atoms and molecules

in a substance is called…

• temperature

• thermal energy

• convection

• electricity

The true physical scale of temperatures, associated with

thermal motion, is called…

• Kelvin

• Celsius or Centigrade

• Fahrenheit

Heat is the transfer of energy from one body or system to another with a ______________ temperature.

• higher

• lower

• equal

• constant

What would happen if I will increase the temperature of a gas in a container, with a constant pressure...

• Volumen increases (expands)

• Volumen decreases (contracts)

• Volume is costant, whatever temperature we have

• You can't do that!. Can you?. That's crazy.

The expansion of bodies that heat up occurs in all three states of matter but it is more noticeable, "bigger", in...

• Gases

• Solids

• Liquids

• What the...?. I don't know.

The process by which heat is transferred from one point to another in a solid is called...

• convection

• radiation

• conduction

• Heat can transfer?. Seriously?. I am gonna fail this test!

The temperature 45 °C equals…

• 308 K

• 318 K

• −228 K

10.000 calories equals...

• 41840 J

• 5.000 J

• 50 kJ

• 400 kJ

300 calories equals...

• 1255.2 J

• 1.25 kJ

• 0.3 kcal

• All of them are correct

CHARLES'S LAW. A gas occupies a volume of 40 L at a temperature of 100 °C. What volume will it occupy at 200 °C?

• 60,9 L.

• 30,1 L.

• 50,7 L

• 90 L.