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JEOPARDY!. Click Once to Begin. Chemistry Final Review. JEOPARDY!. Avogadro’s Number. Mole Conversions. Empirical Formulas. Stoichiometry 1. Stoichiometry 2. Misc. 100. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 300. 400. 400. 400.

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Jeopardy

JEOPARDY!

Click Once to Begin

Chemistry Final Review


JEOPARDY!

Avogadro’s Number

Mole Conversions

Empirical Formulas

Stoichiometry 1

Stoichiometry2

Misc.

100

100

100

100

100

100

200

200

200

200

200

200

300

300

300

300

300

300

400

400

400

400

400

400

500

500

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500

500







2 2 x 10 23 molecules ag

2.2 x 1023 molecules Ag


How many moles are in 1 240 x 10 40 molecules of barium ba

How many moles are in 1.240 x 1040 molecules of Barium (Ba)?


2 059 x 10 16 moles of ba

2.059 x 1016 moles of Ba



2 838 x 10 43 molecules of h

2.838 x 1043 molecules of H



2 082 x 10 21 moles of n

2.082 x 1021 moles of N





2 53 x 10 24 h atoms

2.53 x 10 moles?24 H atoms


Arrange the following samples in order of increasing # of C atoms: (a) 12 grams C, (b) 1 mol C2H2, (c) 9 x 1023 molecules of CO2


A c b

(a), (c), (b) atoms: (a) 12 grams C, (b) 1 mol C


How many molecules of o are in 12 24 g of h 2 o

How many molecules of O are in 12.24 g of H atoms: (a) 12 grams C, (b) 1 mol C2O?


4 095 x 10 23 molecules of o

4.095 x 10 atoms: (a) 12 grams C, (b) 1 mol C23 molecules of O


What is an empirical formula

What is an empirical formula? atoms: (a) 12 grams C, (b) 1 mol C


It is a chemical formula that tells us the ratio of atoms within the compound with the smallest integers.



Grams of each element formula from grams of each element?  Use molar mass to convert  Moles of each element  Calculate mole ratio  empirical formula



C 3 h 4 o 3

C mass. Find the empirical formula.3H4O3


What is the molecular formula of mesitylene if its molecular weight is 120 amu and its empirical formula is C3H4?


C 9 h 12

C weight is 120 amu and its empirical formula is C9H12


Combusting .255 g of isopropyl alcohol produces .561 g of CO weight is 120 amu and its empirical formula is C2 and .306 g of water. Determine the empirical formula of isopropyl alcohol.


C 3 h 8 o

C weight is 120 amu and its empirical formula is C3H8O


How many grams are in 239 moles of water

How many grams are in .239 moles of water? weight is 120 amu and its empirical formula is C


4 30 grams of water

4.30 grams of water weight is 120 amu and its empirical formula is C


How many liters are in 2 09 moles of water 1g water 1 cm 3

How many liters are in 2.09 moles of water? (1g water = 1 cm weight is 120 amu and its empirical formula is C3)


0376 l

.0376 L weight is 120 amu and its empirical formula is C


How many molecules of c are in 7 05 l of co 2

How many molecules of C are in 7.05 L of CO weight is 120 amu and its empirical formula is C2?


1 90 x 10 23 molecules of c

1.90 x 10 weight is 120 amu and its empirical formula is C23 molecules of C


How many moles of h 2 o are formed when 6 79 grams of c 2 h 4 o 2 are combusted in open air

How many moles of H weight is 120 amu and its empirical formula is C2O are formed when 6.79 grams of C2H4O2 are combusted in open air?


226 moles of water

.226 moles of water weight is 120 amu and its empirical formula is C


How many grams of h are produced when 9 2 grams of c 2 h 4 o 2 are combusted in air

How many grams of H are produced when 9.2 grams of C weight is 120 amu and its empirical formula is C2H4O2 are combusted in air?


61 grams of h

.61 grams of H weight is 120 amu and its empirical formula is C



Mole ratio

Mole ratio products in a reaction?


How many moles of o 2 are used to make 2 3 moles of co 2

How many moles of O products in a reaction?2 are used to make 2.3 moles of CO2?


2 3 moles of o 2

2.3 moles of O products in a reaction?2


How many grams of naoh form when 4 2 moles of na 2 o and 4 2 moles of water combine

How many grams of NaOH form when 4.2 moles of Na products in a reaction?2O and 4.2 moles of water combine?


340 grams of naoh

340 grams of NaOH products in a reaction?


How many moles of sulfuric acid form when .356 grams of SO products in a reaction?3 and 1.98 grams of water combine? What is the limiting reactant?


00444 moles of acid so 3

Daily Double!!! products in a reaction?

.00444 moles of acid, SO3


How many liters of .36 M HCl does it take to react with excess Magnesium hydroxide to form 4.55 grams of Magnesium chloride?


27 l hcl

.27 L HCl excess Magnesium hydroxide to form 4.55 grams of Magnesium chloride?





An empirical formula reflects the smallest ratio of atoms while the molecular formula does not

An empirical formula reflects the smallest ratio of atoms, while the molecular formula does not.


How many molecules of cl are in 9 67 x 10 4 grams of magnesium chloride

How many molecules of Cl are in 9.67 x 10 while the molecular formula does not.4 grams of Magnesium chloride?


1 22 x 10 27 molecules of cl

1.22 x 10 while the molecular formula does not.27 molecules of Cl


How many grams of n are present in 35 ml of 40 m nh 4 oh solution

How many grams of N are present in 35 mL of .40 M NH while the molecular formula does not.4OH solution?


20 grams of n

.20 grams of N while the molecular formula does not.


If the empirical formula of a compound is C while the molecular formula does not.4H8O and the mass of the compound is 216 grams, what is the molecular formula?


C 12 h 24 o 3

C while the molecular formula does not.12H24O3


Final Jeopardy while the molecular formula does not.What is the molecular formula of a compound with empirical formula CH4 and mass 144g?


C 9 h 36

C while the molecular formula does not.9H36

Click Once to Begin


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