stoichiometry, double and single replacement

A chemical reaction where an element takes the place of another element in a compound is called a _____.

• single replacement reaction
• double replacement reaction
• synthesis reaction
• decomposition reaction

A chemical that exists in quantities more than sufficient to use up the other chemical in a reaction with some left after the reaction is complete is a _____.

• limiting reactant
• excess reactant
• limiting product
• excess product

A substance present at the start of a chemical reaction is a _____.

• catalyst
• product
• element
• reactant

The portion of chemistry that deals with the numerical relationships between substances in a chemical reaction to calculate amounts used or made is _____.

• bonding
• reactions
• stoichiometry
• atomic theory

The number of representative particles contained in one mole of a substance (6.02 x 1023 particles) is called _____.

• Mendeleev's Number
• Avocado's Number
• Avogadro's Number
• Einstein's Number

A substance created during a chemical reaction is a _____.

• reactant
• element
• compound
• product

The amount of a chemical that could be formed during a chemical reaction calculated from a balanced chemical equation is the _____.

• percent yield
• percent composition
• theoretical yield
• experimental yield

Which of the following symbols is NOT explained properly

• (aq), dissolved in water

• (s), soluble

• (g), gas

• (l), liquid

Based on the activity series, what are the predicted products of this reaction?

Pt (s) + H₂O (l) →

• No Reaction will occur

• PtO + H

• PtO + H₂

• Pt₂O + H₂

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Based on the activity series, what are the predicted products of this reaction?

Br₂ (l) + KI (aq) →

• KBr + I₂

• KBr + I

• KBr₂ + I

• No Reaction

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2