Pre-AP/IB Reactions and Nomenclature

Front

Phosphorous trichloride

Back

PCl₃ is the chemical formula for phosphorous trichloride, a compound consisting of one phosphorus atom and three chlorine atoms.

Front

What type of reaction is represented by the equation Al₂S₃ → Al + S₈?

Back

This is a decomposition reaction, where a single compound breaks down into two or more simpler products.

Front

Balance the equation: _Zn + _HCl → _ZnCl₂ + _H₂

Back

The balanced equation is 1Zn + 2HCl → 1ZnCl₂ + 1H₂.

Front

What does the roman numeral signify in cobalt (III)?

Back

The roman numeral III indicates the charge of the cobalt ion when bonding, meaning cobalt has a +3 charge.

Front

What type of reaction is C₅H₁₀O₄ + O₂ → CO₂ + H₂O?

Back

This is a combustion reaction, where a substance reacts with oxygen to produce carbon dioxide and water.

Front

Define a synthesis reaction.

Back

A synthesis reaction is a type of chemical reaction where two or more reactants combine to form a single product.

Front

What is the formula for sulfur trioxide?

Back

The chemical formula for sulfur trioxide is SO₃, consisting of one sulfur atom and three oxygen atoms.

Front

What is the difference between a single replacement and a double replacement reaction?

Back

In a single replacement reaction, one element replaces another in a compound, while in a double replacement reaction, the ions of two compounds exchange places.

Front

What is the significance of the coefficients in a balanced chemical equation?

Back

Coefficients indicate the number of moles of each substance involved in the reaction, ensuring the law of conservation of mass is upheld.

Front

What is the chemical formula for aluminum sulfate?

Back

The chemical formula for aluminum sulfate is Al₂(SO₄)₃, consisting of two aluminum ions and three sulfate ions.