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Harvard University Balanced Equations with Atom Inventory Questions

Harvard University Balanced Equations with Atom Inventory Questions

Question Description

I’m working on a chemistry practice test / quiz and need support to help me study.

I need this completed in no more than 30 minutes

Write a balance equation for the following reaction, including phases.

Note: Atom inventory must be shown in order to receive credit.

1. Zinc reacts the hydrochloric acid to produce aqueous zinc chloride and hydrogen gas.

2.Solid mercury (II) oxide breaks down forming the elements of mercury and a gas that reignites an extinguished flame.

3. An electric current is passed through molten(melted) potassium bromide causing it to decompose.

4. Aqueous cesium hydroxide reactions with sulfuric acid to produce aqueous cesium sulfate and water.

5. Solid cobalt (II) carbonate decomposes to produce solid cobalt (II) oxide and a gas that extinguishes a flame.


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