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Discuss the primary differences between how plants and animals deal with any TWO of the following three characteristics of life:
A 400ml sample of gas at 10 degrees celsius is warmed to 25 degrees celcius at a constant pressure. Calculate the final volume.
Calculation of stoichiometric points of inflection on a titration curve is very useful in choosing indicators that will change color (have an end point) at the equivalence point. How does an end point differ from an equivalence point
One mole of an ideal gas cp=7r/2 in a closed piston/cylinder is compressed from t1=100k p1=0.1 mpa to pf=0.7 mpa by the subsequent pathways. For each pathway, compute dU, dH, q, w(ec) at a)isothermal, b) constant volume, c) adiabatic
an atom of a certain element has 20 electrons write the ground state configuration of the element
When a 0.325 g sample was studied by combustion analysis, 0.583 g of CO2 and 0.0790 g of H2O formed. How many moles of each of the following were in the original sample and what is the molecular formula
Does this verify that only a single detergent compound is in the extract. What specifically can you do to gain more information about the composition of the shampoo extract
Two vessels are labeled A and B. Vessel A contains NH3 gas at 73 degrees C and vessel B contains Ne gas at the same temperature. If the average kinetic energy of NH3 is 7.1 10-21 J/molecule at 70 degrees C.
calculate the pH change when 25 mL HCl are added to 500 mL of a solution that is 0.10 M CH3COO-
What is the basic structure of phosphatidyl cholines and how do they work as emulsifiers? Why is there so much research interest in phosphatidyl cholines and similar compounds in heart research?
calculate the amount of heat required to heat a 3.9 gold bar from 27 to
The distance between layers in a crystal is 281 pm. X rays are diffracted from these layers at an angle of 19.0°. Assuming that n = 1, calculate the wavelength of the X rays in nm.
Before performing an analysis of calcium in a powdered cement sample with an EDTA titration, the EDTA must be standardized. A 50.0 mL known solution of 5.67 x 10-3 M Ca2+(aq) required 38.10 mL of an unknown EDTA solution to reach its end point. Ba..
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