9.2 Combustion-Matter, Energy, and Change

Multiple Choice

The Ability to do work

• Soil 
• Energy 
• Matter
• Math

Multiple Choice

Energy stored in chemical bonds between atoms

• Thermal Atomic Energy
  

• Chemical Potential Energy
  

• Electrical Atomic Energy
  

• Electromagnetic Energy
  

Multiple Choice

What kind of energy is in a moving skateboard?

• Potential
• Kinetic
• Both potential and kinetic energy
• none of the above

Multiple Choice

A piece of candy has 200 Calories per serving. How many calories of heat will be released when it is broken down?

• 200 calories

• 200,000 calories

• 836,800 calories

• 836.8 calories

Multiple Choice

Heat flows from _______ to _________.

• warm to cool

• cool to warm

Multiple Choice

The law of Conservation of Energy states ..

• Energy can created or destroyed but not transformed

• Energy cannot be created or destroyed, it can only transformed

• Energy can't be created, destroyed or transformed

Multiple Choice

The measure of average kinetic energy of all the particles within an object is called ____________. 

• temperature
• conduction
• radiation
• heat 

Multiple Choice

The specific heat of aluminum is 0.21 J/g°C.  How much heat(Q) is released when a 10 g piece of aluminum foil is taken out of the oven and cools from 100° to 50°?

• 105 J
• 10.5 J
• 1.05 J
• 0.105 J

Multiple Choice

A high specific heat means...

• It requires less energy to change temperature
• It requires more energy to change temperature
• It heats up very quickly

Multiple Choice

In an endothermic reaction the system is releasing energy.

• True
• False

Multiple Choice

For an endothermic reaction, the heat is on the ____ side.

• reactant
• product
• either side

Multiple Choice

If a chemical reaction is EXOTHERMIC, the temperature would....

• Stay the same
• Increase
• Decrease

Multiple Choice

If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________

• one reaches a temperature of zero
• they both have an equal temperature
• one runs out of energy

Multiple Choice

Which letter corresponds to the activation energy of the forward reaction?

• A
• B
• C
• D

Multiple Choice

What type of system is shown in the picture?

• open

• close

• isolated

Multiple Choice

What type of system is shown in the picture?

• open

• close

• isolated

Multiple Choice

What type of system is shown in the picture?

• Open

• Close

• Isolated

Multiple Choice

What kind of energy conversion does a combustion reaction involve?

• Kinetic to Potential Energy
• Chemical Potential Energy to Kinetic or Thermal Energy
• Potential Energy to Nuclear Energy
• Mass to Energy

Multiple Choice

Which of the following chemical reactions involve combustion?

• A forest fire
• Human digestion
• A car using gasoline
• All of the above

Multiple Choice

Nuclear power plant uses ____ for fuel.

• steel

• coal

• uranium

• hydrogen