Unit 2 Review on atoms, mole conversion and nuclear chem

What is the molar mass of AuCl₃?

• 96 g
• 130 g
• 232.5 g
• 303.3 g

Tags

NGSS.MS-PS1-1

How many moles are present in 32.3 grams of carbon dioxide (CO₂)?

• 44.01 moles
• 1421.52 moles
• 32.3 moles
• 0.73 moles

Tags

NGSS.HS-PS1-7

What is the mass in grams of 5.90 mol C₈H_18?

• .0512 g
• 19.4 g
• 673 g
• 389 g

Tags

NGSS.HS-PS1-7

Which compound has the smallest molar mass?

• CO

• CO₂

• H₂O

• H₂O₂

Given 1001.0 grams of Ar, convert to Liters of Ar.

• 561 L Ar

• 89600 L Ar

• 17600 L Ar

• 1.12 L Ar

What is the mass of 78.5 liters of CO₂ at STP?

• 77387.184 g CO₂

• 154.23 g CO₂

• 3454.23 g CO₂

• 98.16 g CO₂

What is the volume of 135 grams of NH₃?

• 51528 L NH₃

• 0.3537 L NH₃

• 201.33 L NH₃

• 177.46 L NH₃

What is the volume of 5 moles of oxygen gas at STP? 

• 112 L 
• 22.4 L
• 78.8 L 
• 114.24 L

Takes two small nuclei and combines them into a larger nucleus

• fission
• fusion

Tags

NGSS.HS-PS1-8

NGSS.HS-ESS1-1

The splitting of a nucleus into smaller nuclei is

• fusion
• fission
• half-life
• gamma radiation

Tags

NGSS.HS-PS1-8