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How does the strength of an electromagnet depend on the current and the number of turns in the coil?
In sickle-cell anemia, how does the structural difference between valine and glutamic acid lead to the improper folding of the hemoglobin protein?
Explain the order of elution you would observe while performing gas chromatography during an elimination/dehydration process on 2-butanol. What property of the product molecules seems to be the most important in determining the relative retention ..
Explain why magnetic metals are found only among the 3d and 4f elements. Why are Sc and Ti, which are also 3d elements, diamagnetic?
A 25.00 mL sample containing Fe3+ was treated with 10.00 mL of 0.0367M EDTA to complex all of the Fe3+ and leave excess EDTA in solution. The excess EDTA was then titrated, requiring 2.37 mL of 0.0461M Mg2+ standard solution.
What is the pH of a sodium acetate solution prepared by adding 0.820 grams of sodium acetate to 100.0 ml of water at 25.0 oC? The Ka at 25.0 oC for acetic acid is 1.8 × 10-5.
In the laboratory you dissolve 15.3 g of copper(II) iodide in a volumetric flask and add water to a total volume of 500 mL. What is the molarity of the solution
the urge to breathe is increased and excessive CO2 is removed from the body D. respiratory tissue is damaged by oxidation E. no problems result from this situation
Determine the mole fractions and partial pressures of CO2, CH4, and He in a sample of gas that contains 1.25 mole of CO2, 1.59 moles of CH4, and 3.41 moles of He, and in which the total pressure is 5.78 atm.
Consider the molecular orbitals of the P2 molecule. Assume that the MOs of diatomics from the third row of the periodic table are analogous to those from the second row. Which valence atomic orbitals of P are used to construct the MOs of P2?
Determine the limiting reactant and the numbers of moles of Cu will be formed If you place .092 mol of iron filling in a solution containing .158 mol of Copper sulphate,?
A specific heat of gold is .129J/g deg. Celsius. What is the molar heat capacity of gold
Why does the addition of the NO2+ to the acidic solution of acetanilide need to be performed at a cold temperature. What products would form if the temperature is not kept cold
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