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Use of de-Broglie equation in electromagnetic spectra.
a. What is the wavelength of the photon involved in this procedure?
b. To what region of electromagnetic spectrum does this correspond?
A. How many milliliters of a 0.72 MHCl solution do you need to obtain 0.0032 mol of HCl? B. A flask containing 470 mL of 0.50 M H2SO4 was accidentally knocked to the floor. How many grams of NaHCO3 do you need to put on ...
Using the following data, calculate the pressure of 100.0mol of CO(g) in a 40.0L container at 25 degrees Celcius using both the ideal gas equation and the real gas equation. Why are these two values so different? (aCO=14 ...
Assuming that air is 21.0 percent oxygen by volume, what volume of air in liters at 45.0 °C and 793 mmHg would be required to burn 185 g of ethanol (C 2 H 5 OH)?
A 1.00 L flask is filled with 1.00 g of argon at 25 °C. A sample of ethane vapor is added to the same flask until the total pressure is 1.350 atm. What is the partial pressure of argon in the flask and what is the partia ...
Write three reactions for the oxidation of pyrite and explain how these can result in the production of acid waters that are enriched in trace metals and metalloids.
An empty 100-mL measuring cylinder weighs 132.456 g. When filled with rice to the 100-mL mark it weighs 220.345 g. After water has been added to fill the spaces between the grains, the weight is 250.123 g. What is the ...
Why is the freezing point of water set at 32ºF? Why does the Fahrenheit scale start at 0º?
Potassium and sodium chloride are similar in charge and they both have the same anion. When comparing sodium chloride (36 g / 100 mL at 0 oC) and potassium chloride, which has a higher solubility at 0 oC?
If it is considered that drinking 800 mL of water per day containing an arsenic concentration equal to the US EPA maximum contaminant level (MCL), delivers the dose to an adult that corresponds to a 1 in 10,000 excess ri ...
Aim - To understand the fundamentals of atomic structure, chemical bonding, periodic tableandits application in engineering problems - Objective - Observing and explaining the reasons of engineering chemistry related pro ...
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