Concept explainers
An initial step in the biosynthesis of glucose
If you knew nothing else about the intervening reactions involved in glucose biosynthesis other than no further carboxylations occur, what volume of
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Thermodynamics, Statistical Thermodynamics, & Kinetics
- At 1.00 atm and 0 °C, a 5.04 L mixture of methane (CH4) and propane (C₂H₂) was burned, producing 16.5 g CO₂. What was the mole fraction of each gas in the mixture? Assume complete combustion. Xmethane = Xpropanearrow_forwardConsider the complete combustion of glucose (C6H12O6) with O2 and calculate the moles of CO2produced when 1.02 g of glucose is reacted with 25 mL of O2 at body temperature (37 ºC) and 0.970 atm. C6H12O6 + 6 O2 (g) → 6 CO2 (g) + 6 H2O a. 0.95 b. 0.0022 c. 9.53 x 10-4 d. 6.33 x 10-2 e. 5.67 x 10-3arrow_forwardConsider the reaction: 2 NO(g) + Br2(g) =2 NOBI(g) A chemist placed 0.0322 mol of NO and 1.70 g of bromine (Br2) into a sealed 1.00 L reaction vessel and then allowed the reaction to reach equilibrium. The pressure of the NOBR at equilibrium at 25.0°C is 0.444 bar. (R = 0.08314 L·bar/mol·K and MW of Br2 is 159.808 g/mol.) Calculate the Kp.arrow_forward
- A lecture hall contains 12 rows of seats. If the professor releases laughing gas (N2O) from the front of the room and tear gas (C6H11OBr) simultaneously from the back of the room, in which row are the students apt to start and to cry simultaneously?arrow_forwardWhat is the mole fraction of calcium chloride in 3.35 m CaCl2 (aq)? The molar mass of CaCl2 is 111.0 g/mol and the molar mass of water is 18.02 g/mol.arrow_forwardConsider the reaction: 2 NO(g) + Br2(g) =2 NOBr(g) A chemist placed 0.0322 mol of NO and 1.70 g of bromine (Br2) into a sealed 1.00 L reaction vessel and then allowed the reaction to reach equilibrium. The pressure of the NOBR at equilibrium at 25.0°C is 0.444 bar. (R = 0.08314 L·bar/mol· K and MW of Br2 is 159.808 g/mol.) Calculate the Kp. Incorrect, 1 attempt remaining Your submission: Feedback: Use PV=nRT to determine the initial pressures of the reactants. You can then determine the pressures of the reactants equilibrium by subtracting the pressure that reacted. Kp = P(NOBr)*/P(NO)²*P(Br)2 43.8 %3Darrow_forward
- A metal cylinder with a capacity of 6.0 L is filled with compressed propane (C3H8). The pressure and temperature of the cylinder when it was initially filled were 120 atm and 75 ◦C, respectively. The molar mass of carbon is 12 g·mol−1 and the molar mass of hydrogen is 1 g·mol−1. a) How many moles of propane are in the cylinder? b) What is the mass of the propane inside the cylinder? c) After some time, the cylinder and its contents cool to 25 ◦C. What is the pressure in the cylinder after it has cooled?arrow_forwardYou have 20.0 mL of a Na₂CO3 solution of unknown concentration. To this solution you add excess HCI to produce CO2(g). You collect 0.258 L of gas at 1.34 atm and 300. K. What was the original molarity concentration of Na₂CO3? Na₂CO3(aq) + 2 HCl(aq) = 2 NaCl(aq) + CO2(g) + H₂O (1)arrow_forwardA tank was filled with 18 g of oxygen (O2), 75 g of nitrogen (N2) and 4 g of carbon dioxide(CO2). At 25°C the pressure of the tank was 8.5 atm. If the partial pressure of CO2 in the tank is x atm, what is the value of x?arrow_forward
- 5.) If 2.45 liters of benzene are consumed in this reaction at 1.1 atm and 25 C, how many liters of water are formed? 2 C6H6(g) + 15 02(g) --> 12 CO2(g) + 6 H20(g) * O 0.110 Liters O 0.330 Liters O 5.3 Liters O 7.34 Liters O 22.4 Litersarrow_forwardNatural gas consists primarily of methane, CH4(g).(a) Write a balanced chemical equation for the completecombustion of methane to produce CO2(g) as the onlycarbon-containing product. (b) Write a balanced chemicalequation for the incomplete combustion of methaneto produce CO(g) as the only carbon-containing product.(c) At 25 °C and 1.0 atm pressure, what is the minimumquantity of dry air needed to combust 1.0 L of CH4(g) completelyto CO2(g)?arrow_forwardWhat volume of carbon dioxide gas (in mL) at 834 mm Hg and 25 °C can be produced when 2.3 g of MgCO3(s) are put into an Erlenmeyer flask containing 289 mL of 0.171 M HCl(aq) ?1 MgCO3(s) + 2 HCl(aq) → MgCl2(aq) + CO2(g) + H2O(l)arrow_forward
- Chemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning