Writing Equations

What reaction has the following general formula:

A + CD --> C + AD

• Combination

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

Tags

NGSS.MS-PS1-2

What is the general reaction scheme for a decomposition reaction?

• A + B --> AB

• AB --> A + B

• A + CD --> C + AD

• AB + CD --> CB + AD

Tags

NGSS.MS-PS1-5

P₄ +  3 O₂ ----> 2 P₂O₃

• Synthesis (or combination)

• Decomposition

• Single displacement

• Double displacement

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is a balanced equation?

• is a equation which the atoms have the same number

• is a equation which the atoms have the different number

• s a equation which the atoms have the familiar number

• s a equation which the atoms have the uncommon number

Tags

NGSS.MS-PS1-5

Balanced symbol equations show formulae, how atoms are rearranged, and the relative amounts of reactants and products.

• True

• False

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

What is the word equation of "ZnO + CU"

• zinc oxide + copper

• copper oxide + zinc

• zinc copper + oxygen

• oxygen + copper

Which is the correct chemical equation for the following: Barium Chloride combined with sodium sulfide yields barium sulfide and sodium chloride

• BaCl + NaS → BaS+ NaCl

• BaCl₂ + Na₂S → BaS+ NaCl

• BaS+ NaCl → BaCl + NaS

• BaCl₂ + Na₂S → BaS+ NaCl₂

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Liquid benzene (C₆H₆) reacts with oxygen gas to form carbon dioxide gas and water.

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Carbon monoxide gas and oxygen gas react to form carbon dioxide gas

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is a balanced chemical equation for the combustion of methane (CH_4)?

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5