Reaction Types and Rates

Identify the reaction type:

C₂H₆ + O₂ --> CO₂ + H₂O

• Double displacement

• Synthesis

• Acid base

• Combustion

Identify the reaction type for the following equation:

K + F₂ --> KF

• Double displacement

• Single Replacement

• Synthesis

• Decomposition

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Identify the type of reaction:

ZnCl₂ + Mg --> Zn + MgCl₂

• Precipitate

• Single Replacement

• Double Displacement

• Decomposition

Tags

NGSS.HS-PS1-2

Identify the reaction type:

NaCl + KOH --> KCl + NaOH

• Double displacement

• Combustion

• Redox

• Precipitate

Identify the reaction type:

H₂O₂ --> H₂O + O₂

• Decomposition

• Synthesis

• Combustion

• Acid Base

Tags

NGSS.MS-PS1-2

What type of reaction releases energy into the surrounding environment as heat?

• Endothermic

• Exothermic

Tags

NGSS.HS-PS1-4

What type of reaction would cause the surrounding environment to feel cooler?

• Endothermic

• Exothermic

Tags

NGSS.HS-PS1-4

In the graph, the reactant chemicals have more energy stored in them than the products do. What kind of reaction is it, and where is the extra energy?

• Endothermic; the extra energy is sent out as heat from the chemicals

• Endothermic; the extra energy is taken in heat by the chemicals

• Exothermic; the extra energy is sent out as heat from the chemicals

• Exothermic; the extra energy is taken in as heat by the chemicals

Tags

NGSS.HS-PS1-4

The rate of a chemical reaction is NOT affected by which of the following:

• temperature
• concentration
• particle size (surface area)
• All of these affect reaction rates

Tags

NGSS.HS-PS1-5

Increasing the ____ causes the particles (atoms

or molecules) of the reactants to move more quickly so that

they collide with each other more frequently and with more

energy.

• Catalyst

• Surface Area

• Temperature

• Concentration

Tags

NGSS.HS-PS1-5