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The energy of a photon of light is ___ proportional to its frequency and ___ proportional to its wavelength.
How many grams of HCl are produced according to the following equation, H2 + Cl2 = 2 HCl, when 4.0 g of hydrogen reacts completely.
Why is a solution of sodium bisulfite added to the reaction product mixture? Write a reaction to account for what is happening
Describe how to prepare 0.200 L of 0.450 M HCl solution, starting with a 2.00 M HCl solution. What volume (in L) of the 2.00 M solution
If additional ammonia is introduced into the equalibrium mixture without changing the temperature until the pressure is 700 torr, what is the partial pressure of H2S under these conditions? What is the final total pressurein the flask when the new..
1. Use average bond energies to calculate ΔHr for the combustion of ethanol. CH3CH2OH(g)+3O2(g)→2CO2(g)+3H2O(g) Express your answer using four significant figures.
Calculate the number of atoms in 0.406 g of potassium (K). Enter your answer in scientific notation.
Gas A has a density of 0.20 g L-1 as well as gas B has a density of 0.80 g L-1, both at the same specific temperature and pressure. Which gas wills diffuse faster. Briefly define
limiting Reactant Worksheet - What are the two steps in the Experimental Procedures that are incorporated to reduce the loss of the calcium oxalate precipitate. Identify the steps in the procedure and the reason for each step.
what would the final common temp be assuming no heat loss? Use Cp for ethanol = 60.0 J K -1 mol -1 and Cp for Copper = 0.380 J K -1 g -1.
prepared by dissolving 0.798 g of acetic acid in 500 ml of water solution, what is the osmotic pressure, in mmHg at 25 degrees Celsius?
What effect on the value of Ca(OH)2's Ksp (6.5x10^-6 ) would sucking up some suspended calcium hydroxide solid have. Would the Ksp value be higher or lower than the normal value. Why
how many liters of fluoridated drinking water would a 70 kg person have to consume in one day to reach this toxic level? How many kg of sodium floride would be needed to treat a 7.49x10^6 -gal reservior?
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