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Calculate the % of acetic acid in vinegar is the mass of acetic acid is 0.104 g and the mass of the vinegar is 2.00 mL, assuming that the density of vinegar is 1.02 g/mL.
Write the electronic configuration in sublevels for the following atoms
A rigid tank of volume 0.5 m^3 is connected to a piston cylinder assembly by a valve, as shown below. Both vessels contain pure water. They a re immersed in a constant-temperature bath at 200°C and 600 kPa
What is the concentration of g salt per 100 g water of a saturated solution in which 3.82 g of salt are dissolved in 9.54 g of water?
Consider the graph of Gsystem versus extent of reaction (such as Q). Which of the following represents an irreversible reaction
How many molecules of gas could be confined in 230 mL at a pressure of 740 mmHg and a temperature of 25 degree C?
Grignard reagents can be used as nucleophiles in other reactions such as SN2 reactions. What would be the product for the following SN2-like reaction of an epoxide?
Consider the reaction that occurs when a solution containing hydrochloric acid (HCl) is added to a solution containing the weak base methylamine (CH3NH2).
What is the percent ionization of a 0.186 M solution of this acid? A certain weak base has a Kb of 7.50 × 10-7. What concentration of this base will produce a pH of 10.06?
The temperature of the entire system rose from 25.30 °C to 26.59 °C. Calculate the heat of reaction, in kJ, per mole of KOH(aq).
What is the rate constant of a first-order reaction that takes 215 for the reactant concentration to drop to half of its initial value?
How many atoms of manganese (atomic mass 54.94 g/mol) ar contained in 6.16 attograms
Protons can be accelerated to speeds near that of light in particle accelerators. Estimate the wavelength (in nm) of such a proton moving at 2.90 X 108 m/s. (Mass of a proton=1.673 X 10-27 kg)
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