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- Is cyclohexane soluble in water? HCl? NaOH? NaHCO3?What is the theoretical oxygen demand in liters of air for a 50 mg/L solution of acetone, C3H6O to decompose completely? Show the solution. Balanced chemical equation: C3H6O + 4O2→3CO2 + 3H2O Molecular Mass, g/mol: C3H6O = 58.08 O2 = 32 Assume that 1 L of air contains 0.21 L of O2 gas2) Complete the reaction: NO. LOH FeCL
- 1. Write balanced chemical equations for the dissolution of acetic acid (CH3COOH) and sodium acetate (NaCH3COO) in water.Consider the hydrotreating of this organic substance:H2NCH2CSCH2COOH +___ H2(g) → (a) Complete a balanced chemical equation to producethe most common hydrogen compounds of N, S, andO and a saturated hydrocarbon.(b) Why is more hydrotreating needed after coking thanafter hydrocracking?Write the equilibrium expression for Kc for the reaction: 2 O3(g) => 3 O2(g)
- Ascorbic acid has a chemical formula of C6H8O6 and is water soluble. A solution containing 80.5 g of ascorbic acid is dissolved in 210g of water. The resulting solution has a density of 1.22g/mL at 55°C. Calculate the mass percentage of the ascorbic acid in the solution.A soft drink contains 11.5%% sucrose (C12H22O11C12H22O11) by mass. How much sucrose, in grams, is contained in 355 mLmL (12 ozoz) of the soft drink? (Assume a density of 1.04 g/mLg/mL.)Consider the reaction in producing wine: C6H12O6(aq)——-> 2CO2(aq). When zymase is added to glucose, the production of ethanol and carbon dioxide increases in a shorter period of time. What is the role of zymase in this reaction? a. Reactant b. Enthalpy c. Catalyst d. Product Please show your solution.
- 85. Propane, C3H8, is a hydrocarbon that is commonly used as a fuel. (a) Write a balanced equation for the complete combustion of propane gas. (b) Calculate the volume of air at 25 °C and 1.00 atmosphere that is needed to completely combust 25.0 grams of propane. Assume that air is 21.0 percent O2 by volume. (Hint: We will see how to do this calculation in a later chapter on gases—for now use the information that 1.00 L of air at 25 °C and 1.00 atm contains 0.275 g of O2 per liter.) (c) The heat of combustion of propane is −2,219.2 kJ/mol. Calculate the heat of formation, ΔH∘fΔHf° of propane given that ΔH∘fΔHf° of H2O(l) = −285.8 kJ/mol and ΔH∘fΔHf° of CO2(g) = −393.5 kJ/mol. (d) Assuming that all of the heat released in burning 25.0 grams of propane is transferred to 4.00 kilograms of water, calculate the increase in temperature of the water.2 NaCl (I) 2 Na (I) + Cl2 (g) O2 (g). + H2 (g) Explain the reaction and its applications with neat diagram 2 H20Determine how many grams of water are produced in the oxidation of 1.00 g of glucose, C6H12O6:C6H12O61s2 + 6 O21g2¡6 CO21g2 + 6 H2O1l2