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According to XRF my sample has 41 wt-% of SiO2 and 59 wt-% of Fe2O3. How do I convert the oxide wt-% to element mol-% to determine the cation Si:Fe ratio?
Compare the relative rate of the foward (EtOH as a substrate) and back reaction (with acetylaldehyde). Use the Michaelis-Menten equation to solve for v when ethanol is 99mM and acetylaldehyde is the substrate and its concentration is 1mM
If 488 g SO2 escaped into the atmosphere and all the escaped SO2 were converted to H2SO4. How many grams of H2SO4 would be produced in the atmosphere?
What is the molecular, complete ionic equation, and net ionic reaction for the following. I get stuck trying to figure out the solubility. NaOH + HC2H3O2 -> BaCO3 + HNO3 -> K2S + HCl ->
a)Calculate the final temperature for Cv,m=3R/2.b)Calculate q for Cv,m=3R/2 .c)Calculate w for Cv,m=3R/2 d)Calculate delta H for Cv,m=3R/2 e)Calculate delta U for Cv,m=3R/2
How many grams of Ni(OH)2 are produced from the reaction of 31.2 mL of 1.75 M NaOH and excess NiCl2
Rank the solutions from the highest to lowest pH.
A student attempted to identify an unknown compound by the method used in this experiment. she found that when she heated a sample weighing 0.4826 g, the mass barely changed
Ethanol (C2H5OH) has a normal boiling point of 78.4 OC. Estimate Suniverse at this 50.0 OC for the process: C2H5OH (l) ? C2H5OH (g).
protons can be accelerated to speeds near that of light in particle accelerators. estimate the wavelength in nm of
200 mL of 1.00M NaOH is reacted with 200 mL of 1.00 M HCl in a calorimeter. The calorimeter and the solutions were at an initial temperature of 19.5oC before mixing.
1. Predict the maximum oxidation state and the most stable secondary oxidation state for the following elements: i. Bi ii. W iii. Os
write the half reaction for oxidation of n-butanol. (d) Calculate Eo' at 25.0 oC for the n-butanol half reaction in (c) above
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