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A wastewater has been characterized for nitrogen-containing compounds and the total nitrogen was 26 mg N/L, the total kjeldahl nitrogen was 14 mg N/L, and the nitrate was 27.3 mg N03-/L. What is the potential theoretical oxygen demand (mg O2/L) associated with nitrogen species in the wastewater. My teacher said there should be a way to relate all of these together to find the answer, but I cannot figure out their relationship.
Ethanol is a possible fuel. Use average bond energies to calculate delta Hrxn for the combustion of ethanol.
A particular sensitizer can absorb photons of one wavelength and release photons of a longer wavelength. Why must the radiation be at a longer wavelength
The F-Cl-F bond angle between adjacent F's in ClF3 (Cl being the central atom) is closest to
what is the product of the reaction of CsCl and SnCl4 and what is the role of cesium chloride in the reaction
The rate of the reaction will increase if the pressure of the gases increases. The rate of the reaction will remain constant with increasing temperature. The rate of the reaction will increase as time increases.
Consider the electronic transition from n = 2 to n = 4 in a hydrogen atom and select the correct statement below.
Calculate the values of q, w, delta U, and delta H for the reversible adiabatic expansion of 1 mole of a monoatomic ideal gas from 5.00 m^3 to 25.0 m^3. The temperature of the gas is initially 298K.
How will you prepare 10 mL of 0.050 M HCl from a 0.10 M solution of HCl? Assume that you use a 10-mL graduated cylinder (in which volumes can be read to the nearest 0.1 mL).
If 10ml of 0.1M zinc nitrate were added to 25mL of 0.1M Ba(OH)2, what would you obersve? write a chemical reaction for this process.
When a 5.60 g sample of solid sodium hydroxide dissolves in 100.0 g of water in a coffee-cup calorimeter, the temperature rises from 22.3 degrees Celsius to 41.6 degrees Celcius.
The specific heat of silver is .24 j/g. How many joules of energy are need to warm 4.37g from 25 to 27.5 ?
A gas occupies a volume of 925mL at 30 degrees celcius and 1.2atm. What volume will it occupy at STP?
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