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To determine the number of molecules present in air using the ideal gas law and Avogadro's number.
Assuming that air contains 78 percent N2, 21 percent O2, and 1 percent Ar, all by colume, how many molecules of each type of gas are present in 1.0 L of air at STP?
Find the concentration and pH solution - What is the pH of a solution of 0.65 M acid and 0.51 M of its conjugate base if the pKa = 5.30?
Understanding of Chemistry basics - explain a situation that violates the second law of thermodynamics?
Describe the process design and application - Water and Wastewater Treatment
Find the volume of a molar solution - What volume of a 0.250 molar solution of silver nitrate, AgNO 3 , is required to react with 18.6g of potassium phosphate
Determine the mass of snow that can be completely melted - Determine the mass of snow (frozen water) that can be completely melted with the application
How many grams of water should be produced and What is the theoretical yield of nitrogen?
Element symbols and Chemical formulas - What is the total number of atoms found in each of the following compounds? What is the total number of elements found in each?
Multiple choice questions in Nuclear reactions - make nuclear fission more efficient, which device is used in a nuclear reactor to slow the speed
Multiple choice questions in nuclear chemistry - which equation represents the balanced nuclear equation
By Solving this problem student understand about isotopic abundance and how to calculate atomic weight (average atomic mass) of an element -
Chemical Kinetics - Predict the rate law of a reaction based on the mechanism of the reaction - What is the overall reaction and Predict the rate law based on the mechanism.
Find the rate of the reaction - What is the rate of the reaction?
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