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Which sample contains more molecules, 3.14 L of Ar at 85.00C and 1111 mm Hg pressure or 11.07g of Cl2?
When 414 J of heat is added to the gas, it expands and does 104 J of work on the surroundings. What is the value of delta H?
Explain what is meant by phase imaging AFM and what is an example of an experiment where specific properties can be quantified in an AFM experiment.
What are the advantages and disadvantages of gas chromatography compared to other chromatographic techniques
what is the percent relative error? Please explain by showing work. Are these measurements more precise or more accurate? What is the purpose of repetition in measurements?
Enough of a monoprotic acid is dissolved in water to produce a 0.0137 M solution. The pH of the resulting solution is 6.48. Calculate the Ka for the acid.
calculate the concentration of calcium ion (in mg/L -1) in the water (25C). What assumptions are made in carrying out the calculation?
Find the total number of atoms in a sample of cocaine hydrochloride, C17H22ClNO4 of mass 20.0 mg.
How many moles of Oxygen are in an "empty" two-liter cola bottle at atmospheric pressure (1atm) at room tempertature (25 degrees celsius) assume ideal behavior
what are the products of the following acid base reaction and are the reactants or products favored? CH3-NH-CH3 + H3O+
Some aromatic compounds also undergo nucleophilic substitution, propose a mechanism for this reaction and indicate what types of substituents would be expected to be most reactive
How much bacterial tissue is produced in a treatment plant for every 1.0 multiplied by 104 kg of wastewater containing 3.0% NH4+ ions by mass?
Assuming ideal-solution behaviour, what is the vapor pressure of the solution at 63.5°C? (c) What is the mole fraction of ethanol in the vapor above the solution?
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