U4 Balancing and Chemical Reactions

The equation shows a chemical reaction. 2 AgNO₃ + CuCl₂ → 2 AgCl + Cu(NO₃)₂ Which type of reaction is represented by this equation?

• synthesis reaction

• decomposition reaction

• single replacement reaction

• double replacement reaction

The equation shows a partial chemical reaction. Ba(NO₃)₂ + Na₂CO₃ → ? What is the completed and balanced equation for this reaction?

• Ba(NO₃)₂ + Na₂CO₃ → BaNa₂ + (NO₃)₂CO₃

• Ba(NO₃)₂ + Na₂CO₃ → BaCO₃ + Na₂(NO₃)₂

• Ba(NO₃)₂ + Na₂CO₃ → BaCO₃ + 2 NaNO₃

• Ba(NO₃)₂ + Na₂CO₃ → Ba(CO₃)₂ + Na₂NO₃

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

In which kind of reaction does a single reactant produce two or more simpler substances?

• decomposition reaction

• synthesis reaction

• displacement reaction

• ionic reaction

The equation shows a chemical reaction. Zn(g) + CuCl₂(aq) → ZnCl₂(aq) + Cu(g) What kind of reaction is this?

• synthesis reaction

• ionic reaction

• displacement reaction

• combustion reaction

Which kind of reaction is represented by the chemical reaction below? 2KClO₃(s) → 2KCl(s) + 3O₂(g) is a(n)

• synthesis reaction

• decomposition reaction

• combustion reaction

• ionic reaction

Which type of reaction takes place when one element reacts with a compound to form a new compound and a different element?

• combination reaction

• decomposition reaction

• single replacement reaction

• double replacement reaction

In what kind of reaction do two or more substances combine to form a new compound?

• decomposition reaction

• ionic reaction

• double-displacement reaction

• synthesis reaction

The equation shows a chemical reaction. H₂CO₃ → H₂O + CO₂ Which type of reaction is represented by this equation?

• synthesis reaction

• decomposition reaction

• single replacement reaction

• double replacement reaction

The equation shows a chemical reaction. 2 H₂O₂(l) → 2 H₂O(l) + O₂(g) What kind of reaction is this?

• synthesis reaction

• decomposition reaction

• displacement reaction

• ionic reaction

Tags

NGSS.MS-PS1-5

The equation A + X → AX is the greatest equation for which kind of reaction?

• combustion reaction

• ionic reaction

• synthesis reaction

• double-displacement reaction