Unit 5-6 Review

Name this reaction, Cl₂ + 2KI _-->  I₂ + 2KCl

• Synthesis
• Single Replacement
• Double Replacement
• Decomposition

In the equation,          2Mg + O₂ ---> 2MgO, which are the reactants?

• Mg and O
• MgO
• Mg and MgO
• O and MgO

Which of the following describes a precipitate?

• a liquid forms when a block of metal is heated
• a solid forms when one liquid is poured into another
• a gas forms when a solid is placed in a liquid
• bubbles form when an acid is poured on a rock

What type of reaction involves 2 substances combining to form 1 new compound?

• Decomposition Reaction

• Single Replacement Reaction

• Double Replacement Reaction

• Synthesis Reaction

2 NaBr + Ca(OH)₂ ----> CaBr₂ + 2 NaOH

• Synthesis (or combination)

• Decomposition

• Single replacement

• Double replacement

• endothermic

• exothermic

C₄H₁₂ + O₂ --> CO₂ + H₂O

• Synthesis
• Combustion
• Single Replacement
• Double Replacement

How many particles are in 13.5 grams of Beryllium?

• 1.50 particles

• 9 particles

• 4.00 x10²³ particles

• 9.03 x10²³ particles

How many grams are in 1.2 moles of neon?

• 0.059 grams

• 7.2 x 10²³ grams

• 2.0 x 10^-24 grams

• 24 grams

Using the following equation:
Fe₂O₃(s) + 3H₂(g) → 2Fe(s) + 3H₂O(l)
How many moles of iron can be made from  6 moles H₂? 

• 4 moles Fe
• 6 moles Fe
• 9 moles Fe
• 2 moles Fe