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1) In mammals, which two molecules serve as a reservoir of amino groups in the body? What are they converted to/from as they receive or donate -NH2?
2) To excrete excess nitrogen from the body, the Urea Cycle forms what compound that will be removed in the urine through the kidneys? Draw the structure of this compound.
classify each solute represented in the following equations as a strong, weak, or nonelectrolyte: a)CH3-OH(l) H2O> CH3-OH(aq). b)MgCl2(s) H2O> Mg2+(aq) + 2Cl-(aq). c) HClO(aq) H+(aq) + ClO-(aq)
What is the relationship between the atomic numbers and the ionic radius of the elements in a group.
Question- Three standard reduction electrode potentials are given as E(A)= -1.00 V for A+(aq)/A(s); E(B)= -0.50 V for B+(aq)/B(s); and E(c)= -0.25V for C+(aq)/C(s). Which of the following chemical reactions will spontaneously occur? Briefly explai..
A 155-g piece of copper at 159oC is dropped into 250.0 g of water at 18.7oC. (The specific heat of copper is 0.385 J/goC.) Calculate the final temperature of the mixture.
The carbohydrate glyceraldehyde is shown below in several different Fischer projections. Sort the structures according to whether the Fischer projection represents glyceraldehyde
The boiling point of another member of this homologous series was found to be 309 . What is the likely molecular formula for this compound
use a sketch to show the change that occurs as a sulfur atombecomes a sulfide ion. describe how the distance from the
What are these types of electrons called? Show the valence electrons in a molecule of water, and tell which ones are which.
Assuming the peaks are caused by 12C and 13C isotopes, determine the number of carbon atoms in the compound. Natural abundances: 12C is 98.93% and 13C is 1.07%
A quantity of 7.50 g of SO2Cl2 was placed in a 2.00 L flask. At 648 K there is a 0.0345 mole of SO2 present. Compute K(constant) for the reaction. SO2Cl2 (gas) SO2(gas) + Cl2(g)
Predict the species that will be oxidized first if the following mixture of molten salts undergoes electrolysis
Products of combustion are then exhausted to the atmosphere. Calculate partial pressures of gases in the exhaust of the tool if 0.1 g of butanol is ignited in a chamber with the initial volume of 1.4 l at 1 atm. Exhaust temperature is 55 oC. Air c..
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