Is it balanced? 1

Is this equation balanced?

• yes
• no
• Not enough information
• Left side is balanced

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?

• the product is doubled
• the product is half the mass of the reactants
• the mass is the same
• the mass changes depending on the reaction

Tags

NGSS.MS-PS1-5

Which problem is balanced?

• PbO₂ + 2H₂
• SO₂ + H₂0 --> H₂SO₄
• 2Na + 2H₂O --> 2NaOH + H₂

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

What is a coefficient?

• The small number on the right of the chemical symbol.
• The large number to the left of a formula.

What is the little number after an element in a chemical equation called.
Example: H₂

• Coefficient 
• Subscript
• Atom
• Equation

In this image, the information in red is called the_______.

• Products
• Reactants
• Chemical Subscript
• Ingredients

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-1

Is the following equation balanced or unbalanced ? 
Al + O₂ --> Al₂O₃

• Balanced
• Unbalanced

Tags

NGSS.MS-PS1-5

Is the following equation balanced or unbalanced ? 
N₂ +3 H₂ --> 2NH₃

• Balanced
• Unbalanced

Tags

NGSS.MS-PS1-5

Is the equation balanced?: 2H₂O + O₂ --> 4MgO + 3Fe

• Yes
• No

Tags

NGSS.MS-PS1-5

Which equation is balanced?

• 3 P₄+1 O₂ ---> 2 P₂O₃
• 1 P₄+1 O₂ ---> 2 P₂O₃
• 1 P₄+ 3 O₂ ---> 2 P₂O₃
• 1 P₄+ 2 O₂ ---> 3 P₂O₃

Tags

NGSS.MS-PS1-5