2nd Semester Final Review- Acc Chem

What type of chemical reaction is this? 
Mg + 2HCl -----> MgCl₂ + H₂

• Synthesis
• Decomposiition
• Single Replacement
• Double Replacement

What type of reaction is this? 
H₂O₂ -------> H₂O + O₂

• Synthesis
• Decomposition
• Combustion
• Single Replacement 

What are the products in this equation? 
Mg + 2HCl ---->  MgCl₂  + H₂

• Mg + 2HCl 
• 2HCl and MgCl₂
•  MgCl₂ + H₂
• H₂ and Mg

What are the reactants in this equation? 
Mg + 2HCl ----->  MgCl₂ + H₂

• Mg + 2HCl 
• 2HCl and MgCl₂
•  MgCl₂ + H₂
• H₂ and Mg

Balance this equation
_Zn+_HCl-->_ZnCl₂ +_H₂

• 1,1,2,1
• 1,1,1,2
• 1,2,1,1
• 2,1,1,1

Tags

NGSS.HS-PS1-7

How many atoms of aluminum are on each side of the following equation: 4Al + 3O₂ --> 2Al₂ O₃

• 2
• 6
• 1
• 4

Tags

NGSS.HS-PS1-7

What is the molar mass of C₆H₁₂O₆?

• 180.18
• 180.12
• 180.24
• 180.06

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

Tags

NGSS.HS-PS1-7

How many grams of bromine are required to react completely with 37.4 grams aluminum chloride?
AlCl₃ + Br₂ → AlBr₃ + Cl₂

• 33.6 g
• 134.5 g
• 29.9 g
• 67.2 g

Tags

NGSS.HS-PS1-7

2 NaClO₃ (s) --> 2NaCl (s) +3 O₂ (g)  
12.00 moles of NaClO₃ will produce how many grams of O₂?

• 256 g of O₂
• 576 g of O₂
• 288 g O₂

Tags

NGSS.HS-PS1-7