Unit 3 ~ Test Review

Holey Moley there's Particles Here!

100

1 mole of Carbon has _____ amount of particles.

What is 6.02x10²³ particles?

200

A student has 35g of H₂O. There are ____ moles.

What is 1.9 moles?

300

A sample has 3.3 moles of CO₂. There are ______ molecules present.

What is 1.98 x 10²³ particles?

400

A sample of NaCl has a mass of 117g. There are ____ particles.

What is 1.2 x 10²⁴ particles?

500

A sample has 3.01 x 10²³ particles of NH₃. There are _____ g.

What is 8.5g?

She's Gassin'

100

The effect on volume (V) when pressure (P) is decreased.

What is increases?

200

The temperature in K of -33°C.

What is 240K?

300

The temperature (T) of a gas with a pressure (P) of 1.7atm, a volume (V) of 9.3L and has 0.75 moles (n). (R = 0.082atm L mol^-1K^-1)

What is 257K?

400

The volume (V) of a gas with 6.23 moles (n), pressure (P) of 2.3 atm and temperature of 96°C.

(R = 0.082atm L mol^-1K^-1)

What is 82L?

500

The pressure (P) of CH₄ gas with 35.9g, a volume (V) of 9.75L and temperature of 54°C.

(R = 0.082atm L mol^-1K^-1)

What is 6atm?

M vs M vs M

100

Heavier: 1 gram or 1 mole of O?

What is 1 mole?

200

Heavier: 1 gram or 1 mole of H

What is they are the same?

300

Heavier: 96 grams or 2.5 moles of Ca

What is 2.5 moles?

400

Heavier: 293 grams or 4.7 moles of MgF₂

What is 293g?

500

Heavier: 61.2g or 7.2x10²³ particles?

What is not enough info?

Don't Stop Balancin'

100

Balance: __H₂ + __O₂ ---> __H₂O

What is 2H₂ + O₂ ---> 2H₂O

200

Balance: __Zn + __HCl ---> __ZnCl₂ + __H₂

What is Zn + 2HCl ---> ZnCl₂ + 2H₂

300

Balance: __P₄O₁₀ + __H₂O ---> __H₃PO₄

What is  P₄O₁₀ + 6H₂O ---> 4H₃PO₄?

400

Balance: __Si₂H₂ + __O₂ ---> __SiO₂ + __H₂O

What is 2Si₂H₂ + 5O₂ ---> 4SiO₂ + 2H₂O?

500

Balance: __C₇H₆O₂ + __O₂ ---> __CO₂ + __H₂O

What is 2C₇H₆O₂ + 15O₂ ---> 14CO₂ + 6H₂O?

Too much, too little

100

Given: 

2H₂ + O₂ → 2H₂O

A reaction starts with 6 mol H₂ and 2 mol O₂.

The limiting reactant is ____.

What is O₂?

200

Given: 

N₂ + 3H₂ → 2NH₃

A student mixes 2 mol N₂ and 4 mol H₂.

The limiting reactant is _____.

What is H₂?

300

Given: 

2Mg + O₂ → 2MgO

A reaction starts with:12 g Mg and 16 g O₂.

The limiting reactant is _____ and _____ moles are used.

What is Mg because 0.5 moles can be used?

400

Given:

2Al + 3Cl₂ → 2AlCl₃

A student reacts:3 mol Al and 3 mol Cl₂.

____ is the limiting reactant and _____g of AlCl₃ are made.

What is Cl₂ and 132g of AlCl₃ form?

500

Given: 

Fe₂O₃ + 3CO → 2Fe + 3CO₂

A reaction starts with: 160 g Fe₂O₃ and 96 g CO.

_____ is the limiting reactant and ____g of Fe form.

What is Fe₂O₃ and 112 g of Fe form?