Mg_(s) + CuCl_{2 (aq)} → Cu_(s) + MgCl_{2 (aq)}

This reaction happens because...

• Mg is more reactive than Cu

• Mg is less reactive than Cu

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Two elements combine to make a single compound.

What reaction type is this?

• combustion

• decomposition

• synthesis

• single replacement

A hydrocarbon reacts with oxygen gas to make carbon dioxide gas and water vapor.

What reaction type is this?

• double replacement

• decomposition

• combustion

• single replacement

What are the products of a double replacement reaction?

• two aqueous ionic compounds

• two solid ionic compounds

• an aqueous ionic compound and a solid ionic compound

A single compound reacts to form two new substances.

What reaction type is this?

• combustion

• combination

• decomposition

• single replacement

How many hydrogens are on the product side of this chemical equation?

• 1

• 2

• 3

• 4

2Mg_(s) + O_{2 (g)} → 2MgO_(s)

Which are the reactants?

• Mg and O₂

• MgO

• Mg and MgO

• O₂ and MgO

Which of the following models best demonstrates a balanced chemical equation?

• F

• G

• H

• J

Tags

NGSS.HS-PS1-7

2Al_(s) + 3Br_{2 (l)} → 2AlBr_{3 (____)}

What is the state of matter on the ionic product?

• solid, (s)

• liquid, (l)

• gas, (g)

• aqueous, (aq)

__Al_(s) + __Fe₃N_{2 (aq)} →__AlN_(aq) + __Fe_(s)

What are the coefficients for the balanced equation?

• already balanced

• 4,2,4,6

• 2,1,2,3

• 1,2,1,3

Tags

NGSS.HS-PS1-7