Decide whether a chemical reaction happens in either of the following situations. If a reaction does happen, write the chemical equation for it. Be sure your chemical equation is balanced and has physical state symbols.situation chemical reaction? chemical equationA strip of solid zinc metal is put into a beaker of 0.041M MgBr2 solution. yesnoA strip of solid magnesium metal is put into a beaker of 0.079M ZnSO4 solution. yesno
Question
Decide whether a chemical reaction happens in either of the following situations. If a reaction does happen, write the chemical equation for it. Be sure your chemical equation is balanced and has physical state symbols.situation chemical reaction? chemical equationA strip of solid zinc metal is put into a beaker of 0.041M MgBr2 solution. yesnoA strip of solid magnesium metal is put into a beaker of 0.079M ZnSO4 solution. yesno
Solution
Situation 1: A strip of solid zinc metal is put into a beaker of 0.041M MgBr2 solution.
In this case, no chemical reaction occurs. This is because zinc is less reactive than magnesium, so it cannot displace magnesium from its salt solution.
Situation 2: A strip of solid magnesium metal is put into a beaker of 0.079M ZnSO4 solution.
In this case, a chemical reaction does occur. Magnesium is more reactive than zinc, so it can displace zinc from its salt solution. The chemical equation for this reaction is:
Mg(s) + ZnSO4(aq) -> MgSO4(aq) + Zn(s)
This equation is balanced and includes the physical state symbols.
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