2 attempts left Check my work Enter your answer in the provided box. Hemoglobin is the...
2 attempts left Check my work Enter your answer in the provided box. Hemoglobin is the protein that transports 0, through the blood from the lungs to the rest of the body. In doing so, each molecule of hemoglobin combines with four molecules of O2. If 1.87 g of hemoglobin combines with 2.93 mL of O, at 37°C and 723 torr, what is the molar mass of hemoglobin? 10 g/mol (Enter your answer in scientific notation.)
Enter your answer in the provided box. Hemoglobin is the protein that transports 02 through the blood from the lungs to the rest of the body. In doing so, each molecule of hemoglobin combines with four molecules of O. If 1.58 g of hemoglobin combines with 2.48 mL of O2 at 37°C and 724 torr, what is the molar mass of hemoglobin? 10 g/mol (Enter your answer in scientific notation.)
2 attempts left Check my work Enter your answer in the provided box. A solution of 1.15 g of solute dissolved in 25.0 mL of H20 at 25°C has a boiling point of 100.750°C. What is the molar mass of the solute if it is a nonvolatile nonelectrolyte and the solution behaves ideally (d of H20 at 25°C = 0.997 g/mL)? g/mol
3 attempts left Check my work Enter your answer in the provided box. A 0.2123-g sample of a monoprotic acid neutralizes 25.6 mL of a 0.06903 M KOH solution. Calculate the molar mass of the acid. g/mol
2 attempts left Check my work Enter your answer in the provided box. Human liver enzymes catalyze the degradation of ingested toxins. By what factor is the rate of a detoxification changed if an enzyme lowers the E, by 5.0 kJ/mol at 37°C?
9 attempts left Check my work Enter your answer in the provided box. Calculate the volume (in liters) occupied by 1.59 moles of nitric oxide (NO) at 6.46 atm and 65°C 9.95
3 attempts left Check my work Enter your answer in the provided box. Calculate AG for the reaction at 25°C. 2C6H61) + 1502(8) 12C028) + 6H20(1) agº = kJ AH° (kJ/mol Agº (kJ/mol) sº (J/K mol) 5.69 2.4 Substance C(graphite) C(diamond) CO(g) CO2(g) CO2(aq) C0,- (aq) O(g) O2(8) O3(aq) O3(8) H20(1) CH 1.90 -110.5 -393.5 -412.9 -676.3 249.4 2.87 --137.3 -394.4 -386.2 --528.1 230.1 0 16.3 163.4 -237.2 124.5 197.9 213.6 121.3 -53.1 160.95 205.0 110.88 237.6 -12.09 142.2 -285.8...
3 attempts left Check my work Enter your answer in the provided box. Consider the reaction: 2NO(g) + O2(g) → 2NO2(g) Suppose that a particular moment during the reaction nitric oxide (NO) is reacting at a rate of 0.018 M/s. At what rate is molecular oxygen reacting? Molecular oxygen is (select at a rate of
2 attempts left Check my work Enter your answer in the provided box. Insulin is a polypeptide hormone released from the pancreas that stimulates fat and muscle to take up glucose. In a certain patient, it has a first-order half-life in the blood of 3.9 min. To maintain an adequate blood concentration of insulin, it must be replenished in a time interval equal to 1/k. How long is the time interval in this patient? min
apter 17 Homework Saved 1 attempts left Check my work Enter your answer in the provided box. Even at high temperatures, the formation of NO is not favored: (K. = 4.10 X 10 - at 2000°C) Hook N2(g) + O2(2) = 2 NO() nint rences What is [NO] when a mixture of 0.20 mol of N2(g) and 0.20 mol of O2(e) reach equilibrium in a 1.0-1 container at 2,000°C? Repc M Guld