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An enzyme has a KM of 3 mM in the absence of a competitive inhibitor in a solution of 2 mM substrate and a Vmax of 15 nM/s. What concentration of a competitive inhibitor with Ki of 3 mM is required to achieve an initial velocity of 5 nM/s?
Problem- A sample of C2H2(g) has a pressure of 8.2kPa . After some time a portion of it reacts to form C6H6(g). The total pressure of the mixture of gases is then 4.8kPa. Assume the volume and the temperatures do not change.
At pH=7, do you expect the following peptides to bind a cation exchanger or an anion exchanger resins
Calculate the volume in mL required to provide 4.30g of ethanol ( C2H6O) from a 1.50M solution
Suppose that 35.47 g of ice at -13.7°C is placed in 46.51 g of water at 96.7°C in a perfectly insulated vessel. Calculate the final temperature.
A newly discovered gas has a density of 2.39g/L at 296K and 715 mm Hg. What is the molar mass of the gas
Stearic acid is an unsaturated fatty acid b.the short hand notation for fatty acid that is 20 carbons long with one double bond at carbon 5 can be written as 20:1(delta5)
the greek mathematician archimedes is credited with discovering how to verify the amount of pure gold in an
E85 fuel is a mixture of ethanol and gasoline. What is the mass in kilograms of E85 (d=0.758g/mL) in a 14.0 gallon tank.
The development of MCRI imaging technology is one useful spinoff of basic research into the structure of the atom. Research, nevertheless is expensive. Numerous people argue that the high cost of research out weights its potential benefits
Write down a lewis structure for SbCl5 and also explain Does the the octet rule is obeyed by this molecule Explain how many grams would 3.01 * x10 23 atoms of tellurium have?
Pure silver has a density of 10.50 g/cm3. A 22.8 gram sample reputed to be silver displaces 2.0 mL of water. Is the sample pure silver? and why?
Write a five page (body; double-spaced) review of the topic from a public health biology perspective. In your review, include the following- Explain the biological basis of asthma and allergic disease, including an introduction to your chosen focus..
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