Spring Chemistry Final Review

What is the mole used for? 

• To measure the amount of grams in a substance
• To measure the amount of atoms or molecules in a substance
• To measure the amount of energy in a substance
• To measure the amount of bonding in a substance 

What is Avogadro's Number? 

• 6.02 x 10²³
• - 6.02 10²³
• 6.02 x 10²²
• 6,020,000,000,000

Tags

NGSS.HS-PS1-7

Avogadro's number of representative particles is equal to one_____.

• kilogram
• gram
• kelvin
• mole

A mole of Neon contains
6.02 x 10²³ _____.

• atoms
• formula units
• ions
• molecules

Tags

NGSS.MS-PS1-1

The molar mass of an element is the mass of one ____ of the element.

• atom
• molecule
• mole
• gram

Tags

NGSS.MS-PS1-5

What can be determined from a balanced chemical equation?

• Mole ratio of any two substances in the reaction
• Energy released in the reaction.
• Electron configuration of all elements in the reaction. 
• Mechanism involved in the reaction. 

Tags

NGSS.HS-PS1-4

Where do you look to calculate the molar mass?

• avogadros number
• periodic table 

Tags

NGSS.HS-PS1-1

What is the Molar mass of one mole of Iron (Fe)?

• 55.93 amu
• 55.93 g
• 111.86 amu
• 111.86 g

What is the molar mass of Carbon Dioxide (CO₂)?

• 12 amu
• 12 g
• 44 g
• 44 amu

What is the molecular formula if the empirical formula is C₂H₅ and the molecular molar mass is 58.14 g/mol?

• C₂H₅
• C₄H₁₀
• C₁H_2.5
• C₄H₈