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Which of the following are factors that contribute to the large negative standard free energy change for the reaction ATP + H2O ? ADP + Pi?
A balloon containing 34.5 L of a gas at room temperature (25.0 oC) is heated to 73.5 oC. What is the volume of the balloon at this new temperature.
The addition of the protein avidin prevented the complete oxidation of 11:0 even in the presence of CO2, although it had no effect on 16:0 oxidation. Explain these observations.
Calculate the entropy change when 1.86 g of H2 reacts with O2 according to the reaction 2H2(g) + O2(g) -> 2H2O(l) at 298 K and 1 atm pressure. The stan- dard molar enthalpy of formation of H2O(l)
What masses of nitrogen and water could produced from 45.og of ammonia?
P-Methylphenyl acetate reacts with imidazole to produce p-methylphenol and acetyl imidazole. The rate constants for this reaction at a series of temperatures are given in the table.
What is the net change in the number of protons across the mitochondrial membrane for each set of two electrons transferred through Complexes I, III, and IV, respectively?
If the initial concentration of N2O4 is 0.50 M, and no NO2 is initially present, what is the equilibrium concentration of N2O4?
a solution of acetic acid hc2h3o2 on a laboratory shelf was of undetermined concentration. If the pH of the solution was found to be 2.68, what was the concentration of the acetic acid?
You analyze several different cofactors of the electron transport chain and find FMN = reduced, Cytochrome bL = oxidized Cytochrome bH = oxidized and Cytochrome a = oxidized. Where did the inhibitor
A student set up a reaction with 0.2905 g of cholesterol and 0.13 g of nonanoyl chloride in excess triethylamine, and collected 0.0244 g of solid product. In theory, how much (in grams) unreacted, o
Which of the following equations represents the equation for the fH° for N, N-diethyl-m-toluamide, C12H17NO(l), the active ingredient in some insect repellents?
Draw and label a flowchart of the process. Then calculate the mass and mole fractions of benzene and the molar flow rates of benzene and toluene (mol/hr) in the overhead product stream.
A particular calorimeter is calibrated and is found to have a calorimeter constant, Ccal = 3.640 kJ/°C. When 1.500 g of an unknown hydrocarbon was combusted in the calorimeter, the temperature o
A diploid organism with a 45,000 kb haploid genome contains 21% G residues. Calculate the number of A, C, G, and T residues in the DNA of each cell of this organism.
A gas is compressed from initial volume of 5.60L to 1.23L by an external pressure of 1.00atm. During the compression the gas releases 128J of hear. What is the internal energy of the gas?
If 223 g of ethanol are recovered after 1.63 kg of glucose react, what is the percentage yield of the reaction?
What is the major organic product obtained from the following reaction? a. b. c. d. 1 2 3 4 16. Which of the following undergoes the most rapid bromination upon treatment with Br 2/FeBr3?
Assume you are performing the calibration step of Experiment 8 and you begin with 30 g of water at 20 oC and 30 g of water at 80 oC. After adding the two portions of water into your calorimeter setu
An equilibrium mixture at 225 degrees C contains 0.10 M NH3 and 0.20 M H2 for the reaction 3H2 (g) + N2 (g) --- 2NH3(g) If the Kc at this temperature is 1.7 X 10 2, what is the equilibrium concentr
A handbook lists the aqueous solubility of carbon monoxide at 0 °C and 1 atm CO pressure at 0.0354 mg CO per mL of solution.
Sulfuric acid reacts with aluminum hydroxide by double replacement. Determine the mass of excess reactant remaining.
How would the accuracy of the determined Keq change if all your volume measurements were made with graduated cylinders rather than pipets?
At the equivalence point in a titration you know the volume (x mL) of a standard solution of acid (2.5M) which has been added to a known volume of base (y mL).
A 32.4 iron rod, initially at 22.7, is submerged into an unknown mass of water at 63.3, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 59.3. wha