How many moles are in 3.31 x 1024 molecules of strontium carbonate (SrCO3)?
Column 1, 300
How many atoms are in 17.0 moles of silver (Ag)?
Column 1, 400
How many moles of magnesium are 1.25 x 1023 atoms of magnesium?
Column1, 500
How many atoms are in 3.65 moles of glucose (C6H12O6)?
Column 2, 100
State the law of conservation of matter.
Column 2, 200
Complete an atom inventory for the following equation, then determine if the equation is balanced or not.
Li2O + H2O 2 LiOH
Column 2, 300
In order to balance this equation, what coefficient must be placed in front of water?
Fe2O3 + H2 → Fe + H2O
Column 2, 400
Show the coefficients used to balance the following chemical equation: H3PO4 + HCl → PCl5 + H2O
Column 2, 500
If you have 13 grams of N2, how many grams of NH3 will be created using the equation below?
N2 + H2→ NH3
Column 3, 100
How many feet are there in 7 miles?
1 mile = 5280 feet
Column 3, 200
Convert 26 grams of HF to moles.
Column 3, 300
How many liters are in 800 mL?
Column 3, 400
How many moles are present in 352 g of iron (III) oxide, Fe2O3?
Column 3, 500
How many grams are present in 1.43 moles of magnesium hydroxide, Mg(OH)2?
Column 4, 100
What is the formula for pressure?
Column 4, 200
P1 = 5 atm, V1 = 6 mL, V2 = 8 mL
Find P2
Column 4, 300
What are the oxidizing and reducing agents in the following reaction?
Fe+ Cu2+ +SO42- →Fe2+ +SO4
2- + Cu
Column 4, 400
Write the half reactions for the oxidation reduction reaction shown below.
Fe+ Cu2+ +SO42- →Fe2+ +SO4
2- + Cu
Column 4, 500
Use the metal activity series on p. 75 to determine if platinum metal will react with a solution of lead nitrate. If it will, write the reaction that occurs.
Column 5, 100
What percent of glucose (C6H12O6) is oxygen?
Column 5, 200
How many atoms are in 5Zn3(PO4)2?
Column 5, 300
Calculate the molar mass of Zn3(PO4)2
Column 5, 400
Calculate the percent composition of oxygen in H3PO4.