Asked by mason Mascolino\mason
How do catalysts affect a chemical reaction?(1 point) Response
increase activation energy
increase activation energy
lower activation energy
lower activation energy
provide activation energy
provide activation energy
lose activation energy
lose activation energy
increase activation energy
increase activation energy
lower activation energy
lower activation energy
provide activation energy
provide activation energy
lose activation energy
lose activation energy
Answers
Answered by
mason Mascolino\mason
What happens during rusting of an iron nail?(1 point)
Responses
Iron and sulfur combine to form iron sulfide.
Iron and sulfur combine to form iron sulfide.
Sulfur and oxygen combine to form a sulfur dioxide coating.
Sulfur and oxygen combine to form a sulfur dioxide coating.
Iron and oxygen combine to form iron oxide.
Iron and oxygen combine to form iron oxide.
Sulfur, iron, and oxygen combine to form iron sulfoxide.
Responses
Iron and sulfur combine to form iron sulfide.
Iron and sulfur combine to form iron sulfide.
Sulfur and oxygen combine to form a sulfur dioxide coating.
Sulfur and oxygen combine to form a sulfur dioxide coating.
Iron and oxygen combine to form iron oxide.
Iron and oxygen combine to form iron oxide.
Sulfur, iron, and oxygen combine to form iron sulfoxide.
Answered by
mason Mascolino\mason
What does the forward arrow in a chemical equation mean?(1 point)
Responses
The reaction is reversible.
The reaction is reversible.
The reaction yields something.
The reaction yields something.
The reaction proceeds quickly.
The reaction proceeds quickly.
The reaction proceeds slowly.
Responses
The reaction is reversible.
The reaction is reversible.
The reaction yields something.
The reaction yields something.
The reaction proceeds quickly.
The reaction proceeds quickly.
The reaction proceeds slowly.
Answered by
mason Mascolino\mason
Which kind of reaction is photosynthesis?(1 point)
Responses
endothermic
endothermic
exothermic
exothermic
temperature-independent
temperature-independent
light-independent
Responses
endothermic
endothermic
exothermic
exothermic
temperature-independent
temperature-independent
light-independent
Answered by
mason Mascolino\mason
Photosynthesis requires which kind of energy?(1 point)
Responses
heat energy
heat energy
light energy
light energy
mechanical energy
mechanical energy
thermal energy
Responses
heat energy
heat energy
light energy
light energy
mechanical energy
mechanical energy
thermal energy
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