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when a metal sample reacts with acid, the gas evolved will be collected over water; the gas is said to be wet. what is the composition of wet gas? How can partial pressure of hydrogen gas be abstained from the total pressure of wet gas? From where will you obtain the necessary data to determine the pressure of hydrogen gas?
Given the equilibrium pH will you have successfully reduced each metal ion level to below the MLC? Provide detailed calculations to support your answer.
Calculate the wavelengths of the following objects: a) a muon(a subatomic particle with a mass of 1.884x10^-25 g) traveling at 3.00x10^2 m/s
The temperature of 1.5 kg of ethanol is 37°C. What will the final temperature be if 80,000 J of energy as heat is added to the ethanol.
Iron has a body-centered cubic unit cell, and a density of 7.87 g/cm3. Calculate the edge length of the unit cell, in pm.
Nitrogen forms more oxides than any other element. The percents by mass of N in three different nitrogen oxides are (I) 46.69% (II) 36.85% (III) 25.94%. For each compound, determine
The boiling point of a solution containing 10.44 g of an unknown nonelectrolyte in 50.00 g of acetic acid is 159.2°C. What is the molar mass of the solute?
Explain your reasoning for each by writing a balanced net ionic equation to describe its behavior in water.
Using the technique of the previous problem ?E was found to be -2,000.00 kJ/mol at 298 K for an unknown liquid hydrocarbon. In another experiment it was determined that for each mole of hydrocarbon
For each molecule, identify the central atom, the steric number on the central atom, the number of bonded electron pairs on the central atom, and the number of lone pairs on the central atom.
What would the pH change be if this same amount of 1.000 M HCl were put into a gallon of pure water?
Calculate the molar concentration of H+ ion of a 1.86×10-1 M solution of the weak acid HClO (make an approximate calculation assuming that initial concentration is equal to the equilibrium
Write the equations that represent the first and second ionization steps for selenic acid (H2SEO4) in water.
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