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Problem- Glucose and mannose differ in structure only at one chiral carbon. which term BELOW best describes glucose and mannose?
a) epimers
b)enantiomers
c)anomers
d)alpha and beta forms
You must show your work in an efficient manner so I can understand it in clearly
at 986°C is 0.63. A rigid cylinder at that temperature contains 1.2 atm of carbon monoxide, 0.20 atm of water vapor, 0.30 atm of carbon dioxide, and 0.27 atm of hydrogen. Is the system at equilibrium?
Problem- In a qualitative analysis procedure, a chemist adds HCl to an unknown group of ions and then saturates the solution with H2S so that the solution is 0.2 M in HCl and 0.10 M in H2S. (a) What is the [HS -] of the solution
Combustion analysis of toluene, a common organic solvent, gives 4.12mg of {\rm{CO}}_2 and 0.959mg of {\rm{H}}_2 {\rm{O}}. If the compound contains only carbon and hydrogen, what is its empirical formula
If you didn't wipe away any frost or condensation formed during sublimation, how would your molar mass value be affected? Be specific please.
In climates where snow and ice cover roads in winter, some agencies spread solid ice melter on the road. suggest and identify for the ice melter and briefly explain how it works.
Given the following thermochemical equation, calculate the heat (in kJ) involved in decomposing 18.0 g of water to give one mole of (g). 2H2 + O2 ---> 2H2O change in heat is -571.6 Kilojoules a. 286 b. 572 c. 1143 d. -572 e. -286
If a pure R isomer has a specific rotation of -134.0°, and a sample contains 60.0% of the R isomer and 40.0% of its enantiomer, what is the observed specific rotation of the mixture
What is the pH of a solution made by mixing 25.00mL of 0.200M CH3COOH with 10.00mL of 0.200M NaOH? Ka of acetic acid is 1.8 x 10^-5.
Atoms, such as sodium, typically give line spectra, as opposed to continuous spectra. Given that such spectra are due to changes in the energies of electrons, explain, using a suitable diagram, what this tells you about the electronic structure of..
Propane, C3H8, is widely used in liquid form as a fuel for barbecue grills and camp stoves. Given 97.5 g propane, calculate the mass (grams) of carbon it contains.
Problem- The equilibrium constant for triiodide formation from iodine and iodide is about 700. the extinction coefficients of iodine and triiodide at the absorption maximum of triiodide are about 16 and 25,000 respectively.
Louis de Broglie pointed out that particles can have wave-nature in a way analogous to how electromagnetic waves have particle nature. Explain which of these objects would exhibit the greatest observable nature
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