Questions from General Chemistry

Q: For the reaction 2Na(s) + O2(g)

For the reaction 2Na(s) + O2(g) Na2O2(s), show how electrons are gained and lost by the atoms.

Q: Silver oxide may be decomposed by strong heating into silver metal and

Silver oxide may be decomposed by strong heating into silver metal and oxygen gas. Write the unbalanced chemical equation for this process.

Q: How do we define a combustion reaction? In addition to the

How do we define a combustion reaction? In addition to the chemical products, what other products do combustion reactions produce? Give two examples of balanced chemical equations for combustion react...

Q: Reactions involving the combustion of fuel substances make up a subclass of

Reactions involving the combustion of fuel substances make up a subclass of reactions.

Q: When the ionic solute K3PO4 is dissolved in water, what can

When the ionic solute K3PO4 is dissolved in water, what can you say about the number of potassium ions (K+) present in the solution compared with the number of phosphate ions (PO43-) in the solution?...

Q: What is meant by a strong electrolyte? Give two examples of

What is meant by a strong electrolyte? Give two examples of substances that behave in solution as strong electrolytes.

Q: Name each of the following binary compounds, using the periodic table

Name each of the following binary compounds, using the periodic table to determine whether the compound is likely to be ionic (containing a metal and a nonmetal) or nonionic (containing only nonmetals...

Q: What is a binary chemical compound? What are the two major

What is a binary chemical compound? What are the two major types of binary chemical compounds? Give three examples of each type of binary compound.

Q: Many over-the-counter antacid tablets are now formulated using

Many over-the-counter antacid tablets are now formulated using calcium carbonate as the active ingredient, which enables such tablets to also be used as dietary calcium supplements. As an antacid for...

Q: Name each of the following binary compounds, using the periodic table

Name each of the following binary compounds, using the periodic table to determine whether the compound is likely to be ionic (containing a metal and a nonmetal) or nonionic (containing only nonmetals...