Chapter 6 Section 2

Chapter 6 Section 2

Multiple Choice

•In 1744, who was the scientist from France that demonstrated the Law of Conservation of Mass, matter cannot be created or destroyed in a reaction?

• Anthony Levasor

• Antonio Lovoso

• Antione Lavoisier

• Antone Loverso

Multiple Choice

•In 1744, Antoine Lavoisier from France demonstrated that matter cannot be created or destroyed in a reaction which is the Law of ___________.

• Conservation of Mass

• Conservation of Energy

• Conservation of Resourses

• Preservation of Mass

Multiple Select

The substances you start with

• reactants

• products

Multiple Select

The substances you end up with

• products

• reactants

Multiple Select

A number placed in front of a chemical formula in an equation

• subscript

• coefficient

• exponent

Multiple Choice

In an ______________ matter can enter into and escape to the surroundings during a reaction.

• Open System

• laboratory

• Closed System

• Service System

Multiple Choice

In a ______________matter is not allowed to enter or escape during a reaction.

• closed system

• open system

• service system

• laboratory system

Multiple Select

We can use the Law of conservation of Mass to learn something in a ____________.

• closed system

• open system

Multiple Choice

What kind of reaction is it when reactants are combined into more complex substances?

• synthesis

• decomposition

• single replacement

• double replacement

Multiple Choice

What is a reaction called when a reactant or reactants are broken down into simpler substances?

• synthesis

• decomposition

• single relacement

• double replacement