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Depict the structures of the compounds and predict whether they can diffuse across a membrane without facilitated diffusion. Define why you came to this conclusion.
When 0.047 moles of ammonium sulfate are dissolved in enough water to make 413 milliliters of solution, how many ammonium ions are present?
Draw a Lewis structure for each of the following molecules, and then use the VSEPR theory to predict the molecular deometry of each.
a sample of pure caco3 weighing 0.2500g is dissolved in hydrochloric acid and the solution diluted to 250.0ml in a
how to determine the carbondioxide content of the air in your lungs as a function of time after inhalation by a
Presume that the trial wave function = (1-ar)-2 is chosen to explain the hydrogen atom, where A is a variable parameter. Assume that what is normalized. Explain the resulting energy expression for the hydrogen atom is E= a 2/5-a/2 in atomic units.
If we add a solid aluminum cylinder to a graduated cylinder containing 19.2 mL of water, and the water level in the cylinder rises to 24.7 mL, what is the mass of the aluminum cylinder?
A person suffering from hyponatremia has a sodium ion concentration in the blood of 0.120 M and a total blood volume of 5L. What mass of sodium chloride would need to be added to the blood to bring the sodium ion concentration up to 0.136 M
compare the purity/identity of the samples from the extraction with the purity of the samples obtained from column chromatography.
What mass in grams of ethanol is required to (experimentally) produce 100 g of carbon dioxide with an 88.9% yield
A solution containing 50.0 g NaNO3 in 75.0 g of H20 at 50°C is cooled to 20°. How many grans of NaNO3 remain at 20°.
The measured cell voltage is 0.0841 V and the Pt | H2 | H+ half-cell is the cathode. Standard reduction potentials are given on the next page. (a) Draw a diagram of the electrochemical cell, labeling all electrodes and solutions. (b) What is the p..
the values of Hfo given in kJ/mol, calculate the value of ?Go in kJ for the combustion of 1 mole of propane to form carbon dioxide and gaseous water at 298 K.
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