• expand
• contract
• melt
• evaporate
• #### 2.  Heat transferred by direct contact is:

• Conduction
• Convention
• Radiation
• illegal because quarantine
• #### 3.  Is the reaction exothermic or endothermic? H2 + S + O2 -> H2SO4 ΔH = -811.13kJ

• ΔH is negative so it is exothermic
• ΔH is positive so it is exothermic
• ΔH is positive so it is endothermic
• ΔH is negative so it is endothermic
• #### 4.  Celsius Scale

• water freezes at 0 degrees and boils at 100 degrees
• water boils at 212 degrees and freezes at 32 degrees
• Water boils at 273 degrees and boils at 373 degrees
• #### 5.  The 1st law of Thermodynamics

• Energy can not be created or destroyed. It just changes forms.
• Energy can only be created by the sun
• Some energy is lost to the environment.

• Endothermic
• Exothermic
• #### 7.  Thermal energy always travels from ______ temperatures to ______ temperatures.

• Higher / Lower
• Lower / Higher
• Higher / Higher
• #### 8.  Specific Heat is..

• the temperature initial minus temperature final
• the amount of heat/energy required to raise 1 gram of a substance by 1°C (or K) aka "C"
• the temperature final minus temperature initial
• the item in a system with given weight in grams

• 800 J
• 1600 J
• -800 J
• -1600 J

• True
• False
• #### 11.  2nd law of thermodynamics

• Every time energy changes form, some of it is lost to the environment
• Energy can't be created or destroyed
• All energy generates heat

• Conduction
• Convention
• Radiation
• Icky
• #### 13.  If the temperature of a gas increases and there is negative work done on the gas, then...

• there must be heat added to the gas
• the gas must be giving off heat to the environment.
• this is an adiabatic process.
• there must be less heat added than the work done on the gas.
• #### 14.  The first law of thermodynamics is a restatement of the

• Zeroth law of thermodynamics
• law of heat addition
• principle of entropy
• conservation of energy
• #### 15.  Heat is

• hot
• the energy that is transferred between objects because of a temperaturedifference
• the quantity measure from the average kinetic energy of vibrating molecules in a substance
• #### 16.  Which of the following is an example of convection?

• A hair dryer is drying up your hair.
• When the AC or heater changes the temperature.
• When a car engine turns hot after being turned on.
• When you are making soup and the water is rising and lowering.
• #### 17.  What is the name of the process in which pressure remains constant.

• Isochoric process
• Adiabatic process
• Isobaric process
• Isolated process
• #### 18.  Warm air rises and cold air sinks demonstrates what?

• conduction
• convection
• radiation
• refrigeration

• Q
• C
• T

• adiabatic
• isobaric
• isochoric
• isothermal
• #### 21.  A thermodynamic system where no exchange of heat takes place between system and surrounding is...

• Isothermal process
• Adiabatic process
• Isobaric process
• Isochoric process

• heat
• cold
• energy
• temperature

• a lot
• 3
• 4
• 1

• True
• False

• conduction
• convection
• radiation
• Insolation
• #### 26.  In Isothermal process which property remains constant

• Volume
• Pressure
• Concentration
• Temperature
• #### 27.  Thermal Energy is...

• The internal energy of an object
• The temperature of a solid object
• Heat transfer through a liquid
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