Misc.
Balancing
Naming
Observational Chemistry
Conversions and Measurements
100

Avagadros number

What is 6.02 x 1023?

100

The number found in front of a compounds formula (used when balancing equations)

What is a coefficient?

100

The device that measures mass

What is a balance?

100

The number of centimeters in 8.2 kilometers

What is 820,000? 

200

Percent Na in NaOH

What is 57.5%?

200

The balanced equation of

IrCl+ NaOH  ->  Ir2O3 + HCL + NaCl

What is

2(IrCl3) + 3(NaOH)  ->  Ir2O3 + 3(HCL) + 3(NaCl)

200

KMnO's chemical name

What is potassium permanganate?

200

Formation of bubbles and light are indicators of what kind of change?


What are chemical changes?

200

The third unit prefix from the left side of the metric staircase

What is the unit: Deka (D)?

300

Blood is what classification of matter?

What is a heterogeneous mixture?

300

Pb(NO3)2(aq) + 2 KI(aq) → 2 KNO3(aq) + PbI2(s) is an example of what kind of reaction?

What is double displacement?

300

The chemical name for CCl4

What is carbon tetrachloride?

300

Changes in shape, color, and mass are examples of what kind of property?

What are physical extensive properties?

300

The number of grams in 4.4 moles of silver phosphate?




What is 1840?

400

What is the molecular formula of a compound with an empirical formula of CHand a molecular weight of 45g/mol?

What is C3H9?

400

CxHy + O2 → CO2 + H2O

What is the general equation for a combustion reaction?

400

Lead (IV) chromate's chemical formula

What is Pb(CrO4)?

400

Sodium hydroxide dissolving is an example of what kind of change?

What is a physical change?

400

The number of molecules that are in 67.2 grams of Mg(ClO4)2

(ANSWER IN FULLY SIMPLIFIED SCIENTIFIC NOTATION, OR ELSE)

What is 1.81 × 1023?

500

The empirical formula for the following compound: 

63.5% silver; 8.2% nitrogen; 28.2% oxygen 

What is AgNO3?

500

The product of this reaction (Make sure to balance the whole thing) 

C2H6 + O  ->   ?

What is 

2C2H6 + 7O2    ->    4CO+ 6H2O

500

Aluminum sulfite's chemical formula

What is Al2(SO3)3 ?

500

The volume of water in the graduated cylinder: 5.3 mL

The volume of water in the graduated cylinder with metal: 10.5mL

Mass of metal: 23.32g

If the expected value for the density of the metal is 4.61g/mL, find the percent error

What is 2.7%

500

The answer to (8x10-3) x (4x10-7) / (2x10-3

(ANSWER IN FULLY SIMPLIFIED SCIENTIFIC NOTATION, OR ELSE)

What is 1.6x10-6?

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