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To calculate the number of molecules of a gas using ideal gas law and Avogadro's number.
Ozone molecules in the stratosphere absorb much of the harmful radiation from the sun. Typically, the temperature and pressure of ozone in the stratosphere are 250 K and 1.0 x 10 to the negative third atm, respectively. How many ozone molecules are present in 1.0 L of air under these conditions?
Determine the equilibrium concentrations - what are the new equilibrium concentrations of all species.
Find the new volume of the gas sample - What is the new volume of the gas sample
Sketch Flow diagram and explain the extraction process - What is the purpose of extracting the organic layer with water in the first extraction step?
What masses of iron(III)oxide and aluminium must be used to produce 15.0g iron? What is the maximum mass of aluminium oxide that could be produced?
Complexometric titration and stoichiometry - How many grams of chloride ion were present in sample
Draw Lewis dot structure and predict molecular geometry - Show the Lewis structures of the following molecules and then predict their geometry.
Gas stoichiometry and Percentage of calcium carbonate in the sample
We are asked to explain the pH and how to find hydrogen ion concentration - Find the pH of an acidic substance of your choice.
Find the rate of the reaction - What is the rate of the reaction?
Determine the partial pressure of each gas in a mixture of gases using Dalton's law of partial pressures
Solving this question helps the student to understand what is happening in a chemical reaction and to balance the given equation.
The reaction between white phosphorous and oxygen produces solid tetra phosphorus decoxide (P 4 O 10 ).
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