When a piece of magnesium is added to dilute hydrochloric acid fizzing occurs in

Question

When a piece of magnesium is added to dilute hydrochloric acid fizzing occurs in hydrogen gas is released from the mixture fizzing is evidence that a ___________ has occurred between magnesium and hydrochloric acid the name given to either magnesium or hydrochloric acid in this case is ________ and the hydrogen gas that is released is called a _________ of the reaction some other indications that reactions have occurred might be changes color or ________ or formation of a solid _______ , If a thermometer is placed into a mixture undergoing chemical reaction you might observe that the temperature is gone up or down indicating that ___________ was released or absorbed The shorthand from by which a reaction is represented is called a __________ and using this method of representation you must satisfy the ____________ of principle that states that matters neither created nor destroyed in order to satisfy this principle you normally select the proper numerical ____________ to indicate the number of units of substance taking each part and in the chemical change

Explanation / Answer

1)reaction 2)reactant 3)product 4)physical charecterstic change(smell,texture etc) 5)precipitate 6)heat 7)chemical equation 8)law of conservation of mass 9)coefficients

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