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by BlastRoom
A cumulative check across equations, reaction types, the mole and stoichiometric calculations.
#chemistry
60 questions
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In 2Al + ___Cl2 -> 2AlCl3, which coefficient balances chlorine?
Which reaction type best describes CH4 + 2O2 -> CO2 + 2H2O?
What coefficient belongs before Fe in ___Fe + 3O2 -> 2Fe2O3?
Which reaction type is 2KClO3 -> 2KCl + 3O2?
Which equation correctly balances magnesium reacting with hydrochloric acid?
Zn + CuSO4 -> ZnSO4 + Cu is best classified as which reaction type?
For C3H8 + ___O2 -> 3CO2 + 4H2O, what coefficient balances O2?
What reaction type is AgNO3 + NaCl -> AgCl + NaNO3?
In 2C2H6 + 7O2 -> 4CO2 + ___H2O, which coefficient balances hydrogen?
Which equation is the balanced form of N2 + H2 -> NH3?
Which equation shows a synthesis reaction?
HCl + NaOH -> NaCl + H2O is best described as which reaction?
Aqueous silver nitrate is mixed with aqueous sodium chloride. Which product is the precipitate?
Pb(NO3)2(aq) reacts with KI(aq). Which solid forms?
What are the products when HCl(aq) and NaOH(aq) react?
Magnesium metal is placed in copper(II) chloride solution. Which products are predicted?
Copper metal is placed in zinc sulfate solution. What is predicted?
Complete combustion of C2H6 produces which substances?
BaCl2(aq) is mixed with Na2SO4(aq). Which precipitate forms?
When CaCO3 is heated strongly, which products are expected?
Potassium reacts with water. Which products form?
Na2CO3(aq) reacts with HCl(aq). Which set of products is expected?
Chlorine gas is bubbled into potassium bromide solution. Which products are predicted?
NaNO3(aq) and KCl(aq) are mixed. What is predicted?
How many moles are in 44.0 g of CO2? Use molar mass CO2 = 44.0 g/mol.
What mass is 2.50 mol of H2O? Use molar mass H2O = 18.0 g/mol.
How many molecules are in 0.500 mol of O2? Use 6.02 × 1023 particles/mol.
How many moles are 1.204 × 1024 He atoms? Use 6.02 × 1023 atoms/mol.
What is the molar mass of CaCl2? Use Ca = 40.1 g/mol and Cl = 35.5 g/mol.
How many formula units are in 0.250 mol NaCl? Use 6.02 × 1023 formula units/mol.
What mass is 0.750 mol NaOH? Use molar mass NaOH = 40.0 g/mol.
How many moles of oxygen atoms are in 2.00 mol of CO2?
For N2 + 3H2 -> 2NH3, what mole ratio converts H2 to NH3?
What is the molar mass of Al2(SO4)3? Use Al = 27.0, S = 32.1, O = 16.0 g/mol.
What mass is 3.01 × 1023 molecules of CH4? Use 6.02 × 1023 molecules/mol and CH4 = 16.0 g/mol.
How many atoms are in 2.00 mol of Ne? Use 6.02 × 1023 atoms/mol.
For N2 + 3H2 -> 2NH3, how many moles of NH3 form from 6.0 mol H2 with excess N2?
For 2Mg + O2 -> 2MgO, how many moles of MgO form from 3.0 mol Mg with excess O2?
For 2KClO3 -> 2KCl + 3O2, how many moles of O2 form from 4.00 mol KClO3?
For 4Al + 3O2 -> 2Al2O3, how many moles of Al2O3 form from 8.0 mol Al?
CaCO3 -> CaO + CO2. What mass of CO2 forms from 25.0 g CaCO3? Use CaCO3 = 100.1 g/mol and CO2 = 44.0 g/mol.
2H2 + O2 -> 2H2O. What mass of H2O forms from 5.00 g H2? Use H2 = 2.02 g/mol and H2O = 18.0 g/mol.
Fe2O3 + 3CO -> 2Fe + 3CO2. How many moles of Fe form from 10.0 mol CO?
2Na + Cl2 -> 2NaCl. What mass of NaCl forms from 4.60 g Na? Use Na = 23.0 g/mol and NaCl = 58.5 g/mol.
CH4 + 2O2 -> CO2 + 2H2O. What mass of CO2 forms from 8.00 g CH4? Use CH4 = 16.0 g/mol and CO2 = 44.0 g/mol.
2Al + 3CuCl2 -> 2AlCl3 + 3Cu. How many moles of AlCl3 form from 0.600 mol CuCl2?
P4 + 5O2 -> P4O10. How many moles of O2 are needed for 0.250 mol P4?
C3H8 + 5O2 -> 3CO2 + 4H2O. How many moles of CO2 form from 2.00 mol C3H8?
2H2O2 -> 2H2O + O2. What mass of O2 forms from 68.0 g H2O2? Use H2O2 = 34.0 g/mol and O2 = 32.0 g/mol.
2NaN3 -> 2Na + 3N2. How many moles of N2 form from 0.400 mol NaN3?
Ca(OH)2 + 2HCl -> CaCl2 + 2H2O. How many moles of HCl neutralize 0.150 mol Ca(OH)2?
2C2H2 + 5O2 -> 4CO2 + 2H2O. What mass of CO2 forms from 13.0 g C2H2? Use C2H2 = 26.0 g/mol and CO2 = 44.0 g/mol.
4Fe + 3O2 -> 2Fe2O3. What mass of Fe2O3 forms from 11.2 g Fe? Use Fe = 55.8 g/mol and Fe2O3 = 159.6 g/mol.
2AgNO3 + CaCl2 -> 2AgCl + Ca(NO3)2. How many moles of AgCl form from 0.250 mol CaCl2?
A reaction should produce 25.0 g of product but actually produces 20.0 g. What is the percent yield?
For N2 + 3H2 -> 2NH3, 2.0 mol N2 reacts with 3.0 mol H2. Which reactant is limiting?
2Al + 3Cl2 -> 2AlCl3. If 4.0 mol Al and 3.0 mol Cl2 react, what is the maximum AlCl3 formed?
At the same temperature and pressure, N2 + 3H2 -> 2NH3. What volume of NH3 forms from 11.2 L H2?
CaCO3 -> CaO + CO2. At STP, what volume of CO2 forms from 0.500 mol CaCO3? Use 22.4 L/mol.
A synthesis has a theoretical yield of 24.0 g but an actual yield of 18.0 g. What is the percent yield?
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Chemistry Review: Atoms, the Periodic Table and Bonding
60 questions
