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Help Experiment 29 Post lab question #2 The solid KIO3 is diluted shy of the 100mL mark in the volumetric flask. does this technique error result in a reported molar concentration of KIO3 that is too high or too low? Explain. As a result will the reported molar concentration of the standardized Na2S2O3 solution be too high, too low, or unaffected? Explain
using all atoms and bond structure, show an ionization reaction for benzoic acid
conversion of 20 ATP molecules to cAMP per second. (Assume that each G protein activates a single unique adenylyl cyclase.) Calculate the number of moles of cAMP that are produced per second. Enter your answer to at least two significant figures.
What is the empirical formula of a hydrocarbon if complete combustion or 6.000 mg of the hydrocarbon produced
should be used to make 2.00 L of 0.0500 M solution? What kind of flask is used to prepare this solution?
Please review the occurrence and cycling of calcium in nature, along with its use. Analyze and evaluate the article as to it's contemporary relevance regarding the elements availability, health implications and environmental impact.
a reaction takes place in which a gas is one of the products. The gas had a d=1.81 g/L at 1.00 atm and 23 degrees C. What is the molar mass and identity of the gas?
Calculate (a) the work done when the gas expands isothermally against a constant external pressure of 200 Torr until its volume has increased by 3.6 dm3, and (b) the work that would be done if the same expansion had occurred reversibly.
In ploystyrene beaker , we mixed 30 mL of 0.1 M sodium acetate and 15 mL of 0.1 M hydrocloric acid. we measured the PH ( in PH meter ) it was 4.86 and then we added 5 mL of 0.1 M NaOH to this buffer.
Determine the root-mean-square speed of CO2 molecules that have an average kinetic energy of 4.21*10^(-21) J per molecule.
solvent to be used to extract a compond from an aqueous solution and when carrying out an extraction, what are the advantages/ disadvantages of having your extraction solution more/less dense than water?
You have a 134.0g sample of CO2 at -230 oC. You heat it until you have gaseous CO2 at 312 oC. Calculate the total energy required for this process. You will need to find some additional information - heat capacities, phase changes, etc.
What is the maximum amount of carbon dioxide that can be produced by the combustion of 0.450g of C2H5OH?
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