Predict the products of this reaction: Al₂(SO₄)₃ + Ca₃(PO₄)₂ --->

• This reaction will not occur

• Al(PO₄) + Ca(SO₄)

• Al₂Ca₃ + (PO₄)₂(SO₄)₃

• Al₂(SO₄)₃ + Ca₃(SO₄)₃

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Predict the products of this reaction: AgF + KCl --->

• This reaction will not occur.

• AgCl + KF

• AgCl₃ + KF₂

• AgK + ClF

Tags

NGSS.HS-PS1-2

What are the products of this reaction: Na(NO₃) + CaF₂ --->

• This reaction will not occur

• NaF + Ca(NO₃)₂

• NaF₂ + Ca(NO₃)

• NaCa + F(NO₃)

Tags

NGSS.HS-PS1-2

What is a double replacement?

• Two compounds react to form two new compounds.
• One compound reacts to form two separate elements.
• Two elements reacting to form a single compound.
• A hydrocarbon and 

What is the left part of a chemical equation called?
2H_{2 +} O₂ --> 2H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

What is the right part of a chemical equation called...
2H_{2 +} O₂ --> 2H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

Tags

NGSS.MS-PS1-5

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

• Coefficient 
• Subscript
• Atom
• Equation

What is the number before a chemical formula called? (in this equation referring to the blue 2)

Ex: 2H₂ + O₂ --> 2H₂O

• Coefficient

• Subscript

• Atom

• Equation

Balance this equation
_Al +_HCl --> _H₂ +_AlCl₃

• 2, 6, 3, 2
• it is already balanced
• 4, 12, 3, 4
• 2, 1, 4, 5

Tags

NGSS.HS-PS1-7

The blue numbers in the image below represent ________

• Charges
• coefficients
• subscripts
• none of the answers are correct

Tags

NGSS.MS-PS1-1