Question: 1.Explain why H2(g) + O2(g) H2O() should not be considered a proper chemical equation. 2 .Does the chemical reaction represented by 2Au(s) + 2HNO3(aq) 2AuNO3(aq)

1.Explain why H2(g) + O2(g) H2O() should not be considered a proper chemical equation.

2 .Does the chemical reaction represented by 2Au(s) + 2HNO3(aq) 2AuNO3(aq) + H2(g) proceed as written? Gold is a relatively useful metal for certain applications, such as jewellery and electronics. Does your answer suggest why this is so?

3. Predict the products of and balance the double-replacement reaction Ag2SO4(aq) + SrCl2(aq) ?

4. Complete the reaction 3H2SO4(aq) + 2Al(OH)3(s) ? and identify the spectator ions. What is the net ionic equation?5. Can a reaction be a combustion reaction and a redox reaction at the same time? Give an example to support your answer.

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