04:12CHEMISTRY 101: Finding Empirical Formula Using Combustion Analysis for a Compound with C, H, OMatthew Gerner713views
Open QuestionThe combustion of 4.16 grams of a compound which contains only C,H,O and F yields 7.7 g CO2 and 2.52 g H2O. Another sample of the compound with a mass of 3.63 g is found to contain 0.58 g F. What is the empirical formula of the compound?1360views14rank3comments
Multiple ChoiceWhen the following equation is balanced C5H10(l) + O2(g) → CO2(g) + H2O(g) What is the coefficient for carbon dioxide?258views
Multiple ChoiceA compound composed of carbon, hydrogen and nitrogen undergoes a combustion reaction to produce 264.21 g CO2, 63.06 g H2O and 46.4 g NO2. Determine its empirical formula.455views6rank
Multiple ChoiceAn unknown compound is composed of carbon, hydrogen and oxygen. A 4.30 g sample is ignited and creates 8.59 g CO2 and 3.52 g H2O. If the molar mass is 176.22 g/mol, what is the molecular formula?326views3rank
Multiple ChoiceIn the presence of a small amount of oxygen a combustion reaction will not only produce carbon dioxide, but also carbon monoxide. The incomplete combustion of naphthalene, a hydrocarbon used in many dyes, produced 2.80 g CO, 4.40 g CO2 and 1.44 g H2O. Determine its empirical formula.219views1comments
Open QuestionWhat else is produced during the combustion of propane, C3H8? H2O, C3H8, O2, C3H8O2.237views
Open QuestionWhich clue can be used to identify a chemical reaction as a combustion reaction? Oxygen is a product. A hydrocarbon reacts with oxygen. Water and carbon dioxide react. The reaction involves ions.183views
Open QuestionCombustion analysis of 63.8 mg of a C, H and O containing compound produced 145.0 mg of co2 and 59.38 mg of H2O. what is the empirical formula for the compound?220views1rank
Open QuestionWhich clue can be used to identify a chemical reaction as a combustion reaction?212views
Open QuestionWhich clue can be used to identify a chemical reaction as a combustion reaction? Oxygen is a product. A hydrocarbon reacts with oxygen. Water and carbon dioxide react. The reaction involves ions.198views
Open QuestionRapid oxidation of a substance, accompanied by the production of heat and light.190views
Open QuestionIf combustion is to be initiated and sustained, all of the following elements must be present except173views