True
FALSE. I would call this reaction a combustion reaction. I always understood a combination reaction to be a reaction between two elements or compounds to form 1 product. For example, sodium reacting with chlorine to produce sodium chloride. A combustion reaction usually forms more than one product. When burning fossil fuels (coal, gas, oil, etc.) the fuel contains compunds which are composed of mostly carbon & hydrogen. So when reacted with oxygen (or combusted) the products are carbon dioxide & water vapor, in addition to the heat & light produced.
The correct answer in apex is TRUE!
Yes. The rust on the penny indicates that a reaction between the penny and its environment has occurred. Since a new material was formed from this reaction (the rust) the reaction must be a chemical reaction.
false twhite88
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True
FALSE. I would call this reaction a combustion reaction. I always understood a combination reaction to be a reaction between two elements or compounds to form 1 product. For example, sodium reacting with chlorine to produce sodium chloride. A combustion reaction usually forms more than one product. When burning fossil fuels (coal, gas, oil, etc.) the fuel contains compunds which are composed of mostly carbon & hydrogen. So when reacted with oxygen (or combusted) the products are carbon dioxide & water vapor, in addition to the heat & light produced.
False
False
The correct answer in apex is TRUE!
Yes. The rust on the penny indicates that a reaction between the penny and its environment has occurred. Since a new material was formed from this reaction (the rust) the reaction must be a chemical reaction.
It is true that a chemical reaction causes a chemical change. An example of this can be seen by adding baking soda to vinegar.
false true
False. Vivaldi's Spring is an example of a Baroque solo concerto.
False. Enzymes do not affect the thermodynamics of a reaction. They only lower the activation energy required for the reaction to proceed, thereby increasing the rate of the reaction without changing the equilibrium constant or overall energetics of the reaction.
false twhite88
you did help thanks dawg or if ur a girl thank u so much