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13 questions
Which of the following is an example of an endothermic reaction?
Reaction between iron and oxygen.
Reaction between water and salt.
Reaction between baking soda and vinegar
Reaction between hydrogen and oxygen.
During a camping trip, you observe several processes. Which of these would be an example of an exothermic reaction?
Water in your bottle freezing overnight.
The plants around you performing photosynthesis.
Water vapor condensing into liquid
The gasoline used to fuel your camp stove combusting.
Which factor affects endothermic reactions?
Space travel
Pressure
Concentration
Temperature
Which factor affects exothermic reactions?
temperature
pressure
catalyst
concentration
If Ms. Weidemiller asked you, which of the following is NOT an example of an endothermic reaction? Which one would you pick?
Combustion of gasoline
Freezing of water.
Photosynthesis in plants.
Burning of wood.
During a science experiment, Angelo was asked to identify which of the following is NOT an example of an exothermic reaction?
Lighting a matchstick
Photosynthesis in plants
Burning of natural gas
Respiration in humans
Increasing the concentration of reactants generally affects which type of reaction?
activation energy of reaction
rate of reaction
equilibrium of reaction
temperature of reaction
Which of the following is an example of an endothermic reaction?
Reaction between iron and oxygen.
Reaction between hydrogen and oxygen.
Reaction between baking soda and vinegar
Reaction between water and salt.
Which of the following is an example of an exothermic reaction?
Combustion of gasoline
Photosynthesis.
Freezing of water.
Eating a sandwich
Which factor affects endothermic reactions?
Concentration
Catalyst
Pressure
Temperature
Which of the following is true of an endothermic reaction?
heat is taken in/absorbed
heat is given off/released
Which of the following is true in an endothermic reaction?
heat is released; bond forming process
heat is absorbed; bond breaking process
heat is released; bond breaking process
heat is absorbed; bond forming process
The first reusable space craft left for its first mission in 1981. What was the name of this craft?
Saturn rocket IV
The Space shuttle
Orion III
Enterprise
The Millennium Falcon
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