Question

drag each statement to the correct location on the chart. classify the sentences based on the chemical reactions they describe. when a clam shell (caco₃) is heated, carbon dioxide (co₂) is given off and a white powder, calcium oxide (cao), forms. nitrogen pentoxide (n₂o₅) is an unstable gas that changes to nitrogen dioxide (no₂) and oxygen (o₂) at room temperature. sodium (na) reacts with chlorine (cl) to give sodium chloride (nacl). zinc (zn) metal reacts with copper sulfate (cu₂so₄) to give zinc sulfate (znso₄) and copper (cu). a strip of magnesium (mg) burns brightly in oxygen (o₂) to form a white powder, magnesium oxide (mgo). on heating iron ore (fe₂o₃) with carbon (c), we get iron (fe) and carbon dioxide (co₂). synthesis decomposition replacement

Explanation:

Step1: Recall reaction - type definitions

Synthesis: two or more substances combine to form one product. Decomposition: one substance breaks down into two or more substances. Replacement: one element replaces another in a compound.

Step2: Analyze "Sodium (Na) reacts with chlorine (Cl) to give sodium chloride (NaCl)"

Na and Cl combine to form NaCl. This is a synthesis reaction.

Step3: Analyze "A strip of magnesium (Mg) burns brightly in oxygen (O₂) to form a white powder, magnesium oxide (MgO)"

Mg and O₂ combine to form MgO. This is a synthesis reaction.

Step4: Analyze "When a clam shell (CaCO₃) is heated, carbon dioxide (CO₂) is given off and a white powder, calcium oxide (CaO), forms"

CaCO₃ breaks down into CO₂ and CaO. This is a decomposition reaction.

Step5: Analyze "Nitrogen pentoxide (N₂O₅) is an unstable gas that changes to nitrogen dioxide (NO₂) and oxygen (O₂) at room temperature"

N₂O₅ breaks down into NO₂ and O₂. This is a decomposition reaction.

Step6: Analyze "Zinc (Zn) metal reacts with copper sulfate (Cu₂SO₄) to give zinc sulfate (ZnSO₄) and copper (Cu)"

Zn replaces Cu in Cu₂SO₄. This is a replacement reaction.

Step7: Analyze "On heating iron ore (Fe₂O₃) with carbon (C), we get iron (Fe) and carbon dioxide (CO₂)"

C replaces Fe in Fe₂O₃. This is a replacement reaction.

Answer:

Synthesis: Sodium (Na) reacts with chlorine (Cl) to give sodium chloride (NaCl), A strip of magnesium (Mg) burns brightly in oxygen (O₂) to form a white powder, magnesium oxide (MgO)
Decomposition: When a clam shell (CaCO₃) is heated, carbon dioxide (CO₂) is given off and a white powder, calcium oxide (CaO), forms, Nitrogen pentoxide (N₂O₅) is an unstable gas that changes to nitrogen dioxide (NO₂) and oxygen (O₂) at room temperature
Replacement: Zinc (Zn) metal reacts with copper sulfate (Cu₂SO₄) to give zinc sulfate (ZnSO₄) and copper (Cu), On heating iron ore (Fe₂O₃) with carbon (C), we get iron (Fe) and carbon dioxide (CO₂)