CO₂ + H₂O H₂CO3→→→→→ H+ + HCO3
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Given the changed levels of H+, would you expect more or less acidic urine?
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- Which molecule contains more energy: carbon dioxide (CO2)or ethanol (CH3CH2-OH)? ExplainDefine the following terms: a. Fe–S clusters b. electron transport c. CoQ d. ubisemiquinone e. UQH2A 1.23 g sample of acetic acid (HC2H3O2) was burned in excess oxygen in a bomb calorimeter. The calorimeter, which alone had a heat capacity of 2.67 kJ/°C, CONTAINED 745 G OF WATER. The temperature of the calorimeter and its contents increased from 23.77 °C to 27.95 °C. What is ΔH (in kJ) for the combustion of 1.00 mol of acetic acid is 60 g/mol.
- Identify the oxidizing agent in the following REDOX reaction? CI2 + NaBr --> NaCI + Br2 A) NaCI B) NaBr C) CI2 D) Br2In the following chemical reaction, which compounds are the products? Carbon dioxide + Water → Sugar + Oxygen A. Carbon dioxide and sugar B. Carbon dioxide and water C. Sugar and oxygen D. Water and oxygenEnergy is stored long-term in the bonds of _____ and used short-term to perform work from a(n)_____molecule. a. ATP : glucose b. an anabolic molecule : catabolic molecule c. glucose: ATP d. a catabolic molecule : anabolic molecule
- When the following equation of a redox reaction in acidic solution is properly balanced, what are the coefficients for Cr2O72–, Fe2+ H+, Cr3+, Fe3+, and H2O, respectively? __Cr2O72– + __Fe2+ + __H+ --> __Cr3+ + __Fe3+ + __H2O (A) 1, 3, 14, 2, 3, 7; (B) 1, 6, 14, 2, 6, 7; (C) 2, 10, 14, 2, 10, 7; (D) 2, 12, 28, 4, 12, 14Refer to chemical equation shown here to explain why carbon dioxide dissolved in water acts as a buffer. H2O+CO2<>H2CO3<>H++HCO3The following exothermic reaction is at 0.00 °C and 1.00 atm SeO4 (g) ⇌ Se(g) + O2(g) , kc = 2.4 ×10-6 The reaction contains [SeO4] = 0.100 M, [Se] = 0.0034 M, [O2] = 0.0022 M Does the reaction exist at equilibrium? If not, in what direction it will proceed? Question 22 options:
- Label the following equation. The parentheses represent the choices for each label (A-D). A. (Water, glucose, Carbon dioxide, Oxygen). B. (Water, glucose, Carbon dioxide, Oxygen) C. (Water, glucose, Carbon dioxide, Oxygen) D. (Water, glucose, Carbon dioxide, Oxygen)A reduced compound isa. NAD+ b. FAD c. NADH d. ADPIs carbon dioxide high or low in potential energy ? Explain
