| A | B |
|---|
| What volume of oxygen is needed to completely combust 2.36 L of methane gas ( CH4 ) ? | 4.72 L |
| A reaction in which oxygen combines with a substance and releases heat and light can be classified as what type of reaction? | combustion |
| A reaction in which the atoms of one element replace the atoms of another element in a compound can be classified as what type of reaction? | single replacement (aka displacement) |
| The reaction of: AgNO3 (aq) + NaCl (aq) >> AgCl (s) + NaNO3 (aq) can be classified as what type of reaction? | double replacement (aka double displacement) |
| The reaction of : 2Hg + O2 >> 2HgO can be classified as what type of reaction? | synthesis ( aka combination) |
| Consider the combustion reaction of the hydrocarbon C4H6 and balance the chemical reaction's equation and determine what the coefficient of water ( H2O ) is..... C4H6 + O2 >> CO2 + H2O | six (6) |
| In reaction, C3H8 + O2 >> CO2 + H2O , what is the value of the coefficient of carbon dioxide in the correctly balanced equation? | three(3) |
| What is the coeficient that preceeds oxygen in C3H8 + O2 >> CO2 + H2O | five(5) |
| What coefficient would water have in the correctly balanced equation representing C3H8 + O2 >> CO2 + H2O ? | four(4) |
| Give, in order from left to right , the correct coefficients for reactants and products of reaction representing: Al2(SO4)3 + KOH >>> Al(OH)3 + K2SO4 . | one(1) , six(6), two(2), and three(3) |
| What are the coefficients to corectly balance the formula equation of Cr + Fe(NO3)2 >>> Fe + Cr(NO3)3 ? | two(2), three(3), three(3), and two(2) |
| Classifify type of reaction for : Cr + Fe(NO3)2 >> Fe + Cr(NO3)3 | displacement (aka replacement aka single replacement aka single displacement) |
| Classify the reaction of: H2O >> H2 + O2 . | decomposition (aka desynthesis) |
| What are the coefficients to correctly balance the formula equation of: Pb(NO3)2 (aq) + KI (aq) >> PbI2 (aq) + KNO3 (aq) | one(1), two(2), one(1), two(2) |
| What coefficients correctly balance formula equation of : AlCl3 (aq) + Pb(NO3)2 (aq) >> PbCl2 (s) + Al(NO3)3 (aq) | two(2) , three(3), three(3), two(2) |
| Write what you would expect to be the correctly balanced equation for when ALUMINUM reacts with Copper(II) sulfate ? | 2Al + 3CuSO4 >>> Al2(SO4)3 + 3Cu |
| A compound contains 36.1 g calcium and 63.9 g chlorine. What is the EMPIRICAL Formula for this compound? | CaCl2 |
| A compound is composed of 82.68% mercury ( Hg) and 17.32% nitrogen (N) , what is this compound's empirical formula? | HgN3 |
| Determine the empirical formula for a compound that contains 35.98% aluminum and 64.02% sulfur . | Al2S3 |
| Find the empirical formula of the compound that is 39.12% C , 8.76% H , and 52.12% O . | C3H8O3 |
| The elemental analysis of a sample of ionic compound gave following results: 2.82 g Na , 4.35 g Cl , 7.83 g O ...What is this compound's empirical formula? | NaClO4 |
| What is the empirical formula for a compound that is 27.3% C and 72.7% O ? | CO2 |
