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You add 5.6 g iron to 28.20 mL of water and observe that the volume of iron and water together is 28.91 mL. Calculate the density of iron.
Identify the property of gas that is measured in each of the following: a) 425 K; b) 1.0 atm; c) 10.0 L; d) 0.50 mol of He.
An ideal gas is compressed isothermally from 2.0 atm and 2.0 L to 4.0 atm and 1.0 L. Calculate the values of delta U and delta H is the process is carried out a) reversibly and b) irreversibly
When the following deuterium-labled isomer undergoes elimination, the reaction yields only trans-2-butene and cis-2-butene-2-d.
Find the real and imaginary parts of the Fourier transform of a casual function exp(-πx2/ σ2) x>0. Why do we get both real and imaginary parts for this transform
solid silicon and solid magnesium chloride form when silicon tetrachloride gas reacts with magnesium metal. write a
Explain why cis dichloroethene has a boiling point of 60 degrees C while trans - dichloroethen has a boiling point of 48 degrees C.
What is the expected theoretical yeild of aspirin based on exactly 1 g of salicylic acid and 3.50 mL of Acetic Anhydride (Density = 1.082 mL^-1)
provide reaction mechanisms for the formation of each of these byproducts and specify whether the mechanisms you write are SN1, SN2, E1, E2, or none of these. explain why you would expect bisulfate to be a good leaving group for substitution or eli..
Gastric juice is made up of substances secreted from parietal cells, chief cells, and mucous-secreting cells. The cells secrete HCl, proteolytic enzyme zymogens, mucin, and intrinsic factor
A buffer contains 0.19 mol of propionic acid (C2H5COOH) and 0.22 mol of sodium propionate (C2H5COONA) in 1.20L. What is the pH of the buffer after the addition of 0.02 mol of HI
FeCl3 and Mg3(PO4) to give FeSO4 and MgCl2 I need to know what are the : Molecular Equation? Ionic Eq? Net Ionic Eq? What is the name of this type of reaction. Which ions are spectator ions
describe the basic steps involved in a gravimetric analysis. how does this procedure help us determine the identity of
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