Reactions Review

Changing the _______ changes the composition and identity of the element

• Subscript

• Coefficient

Balance the following chemical equation, Sb + Br₂ ⇒ SbBr₃

• 2 Sb + 3 Br₂ ⇒ 2 SbBr₃

• 2 Sb + 3 Br₂ ⇒ SbBr₃

• Sb + Br₂ ⇒ SbBr₃

• Sb + 3 Br₂ ⇒ 2 SbBr₃

Rank the following in order of decreasing activity: Li, Ag, Ni, Mg

• Ni > Ag > Li > Mg

• Li > Mg > Ni > Ag

• Ag > Ni > Mg > Li

• Mg > Ni > Li > Ag

Determine the products and balance the following reaction: Fe + CuSO₄ => (assume Fe has a charge of 2⁺

• Fe + CuSO₄ => NR

• 2 Fe + 2 CuSO₄ => 2 Cu + Fe₂(SO₄)₂

• Fe + 2 CuSO₄ => Cu + 2 FeSO₄

• Fe + CuSO₄ => Cu + FeSO₄

Determine the products and balance the following reaction: H₂ + ZnSO₄ =>

• H₂ + 2 ZnSO₄ => 2 Zn + H₂(SO₄)₂

• H₂ + ZnSO₄ => Zn + H₂SO₄

• H₂ + 2 ZnSO₄ => 2 Zn + 2 HSO₄

• H₂ + ZnSO₄ => NR

A metal replaces another metal if it is...

• More active

• Less active

What type of reaction is the following? 2Al + 6HCI => 3H₂+ 2AlCl₃

• Single-replacement

• Double-replacement

• Neutralization

• Combination

Write the products and balance the equation for the reaction of silver nitrate with sodium chloride

• Ag(NO₃)₂ + NaCl ---> AgCl (s) + NaNO₃ (aq)

• AgNO₃ + NaCl ---> AgCl (s)+ NaNO₃ (aq)

• AgNO₃ + NaCl ---> AgCl (aq) + NaNO₃ (aq)

• AgNO₃ + NaCl ---> NR

What type of reaction is the following? 3 KOH + H₃PO₄ => K₃PO₄+ 3 H_2O

• Single-replacement

• Double-replacement

• Neutralization

• Combination

Write the products and balance the equation for the reaction of magnesium hydroxide and Nitric acid

• Mg(OH)₂ + HNO₃ --> H₂O + Mg(NO₃)₂ 

• Mg(OH) + 2 HNO₃ --> 2 H₂O + Mg(NO₃)₂ 

• Mg(OH)₂ + 2 HNO₃ --> 2 H₂O + Mg(NO₃)₂

• Mg(OH)₂ + 2 HNO₃ --> 2 H₂O + MgNO₃