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Considering the limiting reactant concept, how many moles of C are produced from the reaction of 2.00 mol A and 4.50 mol B?
A(g) + 3 B(g) → 2 C(g)
In a separate experiment, it was found that, for fixed temperature and pressure, a 0.100 L sample of this compound takes 1.97 times longer to effuse than does a 0.100 L sample of Ar(g). What is the molecular formula of the compound? draw possible ..
ketones react with dimethylsulfonium methylide to yield epoxides by a mechanism that involves (1) an initial nucleophilic addition followed by (2) an intramolecular Sn2 substituition, Show the mechanism.
1) The concentration of HC2H3O2 is 1.0x10^-1. The ka value is 1.8x10^-5. Calculate pH.
If an FM radio station broadcasts at a frequency of 93.6MHz (1MHz=106 Hz or cycles per second). Explain what is the wavelength of the radiation in meters
Impure benzoic acid was dissolved in hot water. the container of solution was placed in ice-water bath instead of being allowed to cool slowly.
Compute the volume (in mL) of a 0.320 M KOH solution that must be added to 4.500 g of HEPES MW=238.306 g/mol, pKa = 7.56 to give a pH of 7.64.
What is the number of moles of O2 needed to burn 260.0g of C2H2 in the reaction: 2C2H2 + 5O2 yields 4CO2 + 2H2O?
Explain what is the height of water column in meters. Define the density of mercury is 13.53 g/mL at 298 K and pressure is 6.30 mmHg
A semipermeable membrane separates two solutions. On one side of the membrane the concentration of sodium ions is 0.87 mol/L, and on the other side the concentration of sodium ions is 2.5 mol/L.
Conduct a 30-minute long face-to-face interview with a person in a professional corporate communication position who has experience in any of the areas included in the syllabus and the textbooks. Please do not include your friends or relatives. ..
What is the purpose of treating your spinach with methanol prior to extraction? By considering their structures (Manual p 2), explain why β-carotene has a higher Rf than xanthophyll.
Methanol has a normal boiling point of 46.4 degrees Celsius as well as a heat of vaporization of 53.2 kJ/mol. Explain what is the vapor pressure of methanol at 28.5 degrees Celsius
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