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Q. How much would an empty volumetric flask, (weighing 27.16 grams, has a volume of 100.4 cm3 ) weigh when filled with bromine, an element that has a density of 3.1028 g/cm3?
Q. Using a sample containing cyclohexane (C6H12) dissolved in C6H6(Pure benzene C6H6 (freezes at 5.5°C and boils at 80.1°C) now determine What is the boiling point of a solution if the freezing point of this solution is 0.0°C?
Calculating the equilibrium constant (Keq) for the given reactions - Determine the Keq for the following reactions
The vapor pressure of water is 28.3 torr at 29°C then determine what is the partial pressure of oxygen collected if a reaction at that temperature produces Carbon Dioxide which is collected over water at a total pressure of 576 torr, ?
Explain how does unique physical and chemical properties of water contribute to significance of water for life on Earth to survive.
Identify the unknown gas - Find the molecular formula of the compound
Determine theoretical yield, limiting agent and excess reagent - How much excess reagent remains after the reaction goes to completion
A buffer solution containing 0.25 M Acetic acid and 0.56 m Sodium acetate. After addition of 0.0060 mol HCL what is Ph of buffer.
Chemical Kinetics - Determine the time taken by a reactant to reach a particular concentration
Determine the partial pressure and total pressure of the gases and Find the partial pressure of carbon dioxide in a gas mixture
how many mols of H 2 can produce
What is the concentration of unknown acid solution? Write the neutralization reaction, balance it, name the products THEN Solve the problem above.
With respect to the corrosion of steel in concrete, explain the significance of the following terms: carbonation of concrete, passivity of steel, electrical resistivity of concrete, state of oxidation of iron.
By Solving this problem student understand about isotopic abundance and how to calculate atomic weight (average atomic mass) of an element -
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