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In what form does BH3 ordinarily exist? Give the name, molecular formula, and structureof this substance. (b) Write equations showing how this substancecan be used to bring about the conversion of
The enzyme aldolase conversion of fructose 1,6-biphosphate indihydroxyacetone phosphate and glyceraldehydes-3-phosphate. The ΔGo of thisreaction is +23.8 kJ/mol, whereas ΔG in the cel
An electrochemical cell has n = 5 (# of electronstransferred). At T = 434.97K, Ecell =0.65115 volts and at T = 303.24K, Ecell =0.76013 volts. Using F = 96485.34 C/mol, calculate the entropy
Explain how dissolving the Group IV carbonate precipitate with 6MCH3COOH, followed by the addition of extra acetic acid, establishesa buffer with a pH of approximately 5.
Can anybody help explain: What is the significant difference between glucose metabolism and fatty acid oxidation with regard to energy production?
A solution made by mixing 45.0 ml of 0.360 M propionicacid, CH3CH2COOH, and 10.0 ml of 1.40 M sodiumpropionate, CH3CH2COONa, has a pH of 3.81. Calculate the corresponding value of Ka for propionic a
Draw the structure of the major enantiomer produced in this reaction. Indicate the configuration of the stereogenic centerusing wedged on hashed lines.
Calculate the specific absorptivity, including units, of iron thiocyanate on the assumption that a 1.00 cm cuvette was used.
Another wood sample prepared from an object recovered at an archaeological excavation gives a decay rate of0.118 disintegration per second per gram of the sample. What is the age of the object?
An excited state of the Li atom has electrons occupying two spatial orbitals: 1S and 2Px. What are all the possible electronic wave functions of the excited Li? Must pay attention to spin states and
Daniel weighing 201lb decides to climb a mountain weighing5010m. He took nutrition bars with him such that each 100-g barcontains 10g of fat, 40 g of protein and 50g of carbohydrates.
A family heats their house with propane gas. The gas companyreports that for an average home it takes 41.589 kJ of heat toraise the temperature of the air inside the house from 60.0 oF to 75.0&
If certain car has a rated mileage of 30.0 miles per gallon, how many liters of carbon dioxide gas is generated when the car hasbeen driven a distance of 16.0 miles?
The rate of a chemical reaction increased by a factor of 3.58 when the temp increased from from 35*C to 48*C. if the reaction temperature increased from 48*C to 70*C.
Zinc Sulfide is treated with sulfuric acid, leaving a solution with some undissolved bits of material and releasing hydrogen sulfidegas. If 10.8g of zinc sulfide is treated with 50.0ml of sulfuricac
Why might a poor yield of cyclohexene be realized if the dehydration that you did was carried out with HCl instead ofH3PO4 as the acid catalyst?
A radioactive isotope of phosphorous has a half-life of 14.3days. What fraction of the initial sample of the phosphorous radioisotopewill remain after 95 days?
Assuming that gasolineis pure octane, C8H18, and has a density of0.703 g/ml, how many liters of CO2 gas will be producedat STP from the consumption of 3.20 gallons of gasoline ?
How much sliver was there in the solution if all the sliver was removed as Ag metal by electolysis for 0.50 hr with a current1.00mA (10e-3)?
The radioactive decay of T1-206 toPb-206 has a half-life of4.20 minutes. Starting with 5.00 x1022 atoms of T1-206, calculate the number of atoms left after 42.0 minutes.
When 20mL of SO2 and 20mL of cl2(g) are allwoed to reactaccording to the following reaction below, what is the total volumeof all gases after the reaction provided all gases at the smae temp and pre
What will pressure inside the container become if the pistonis moved to the 2.20L mark while the temperature is keptconstant?
You are given two small bottles of white crystalline carbohydrates. one is label glucose and the other dextrose. what are the similarities and diffrences you would expect between the two samples?
A gas is compressed from an initial volume of 5.75L to a final volume of 1.24 L by an external pressure of 1.00 ATM. During the compression the gas releases 125 J of heat. What is the change in int
In the electroysis of an aqueous solution AgNO3, 0.67gof Agis deposited after a certain period of time. What is the probable oxidation half reaction? Show me how you get it andexplain it.