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A solution contains 75.0 g of CaCl2 ( a strong electrolyte, 110.98g/mol) per 400.0 mL of water. What is the new boiling point of water? The Kb and Kf of water is 52.0 C/M and 1.86 C/M, respectively.
Calculate the change in both labor productivity and multifactor producitivity as a result of the introduction of this computerized title search system.
If you are performing a Zinc-Copper Galvanic Cell where Zn is the Anode and Cu is the cathode and you soak the salt bridge with a saturated ammonium nitrate solution, in which direction would the ammonium ions move when the salt bridge completes t..
The reaction between NO2 and CO to produce NO and CO2 is believed to occur via two steps shown below. Step 1: NO2 + NO2 ? NO + NO3
Write a balanced chemical reaction describing the decomposition of ammonium nitrate, and calculate the standard heat of reaction using the appropriate enthalpies of formation
An aqueous stock solution is 72.0% HNO3 by mass and its density is 1.42 g/mL. What volume of this solution is required to make 1.25 L of 2.10 mol/L HNO3(aq)? Give your answer in millilitres, accurate to three significant figures.
What volume of 3.50M H2S is required to react with excess O2 to produce enough NH3 to fill a cylinder that is 50ft long and has a diameter of 13 ft at a pressure of 450 torr and 20°F
Titanium (w=6.94x10^-19J) and silicon (w=7.77x10^-19J) surfaces are irradiated with UV radiation with a wavelength of 217nm. What is the wavelength of the electrons emitted by the titanium surface
You have been asked to review the calculations of an assistant with respect to the calculation of the internal energy of CO2. The assistant looked up the enthalpy of CO2
a mole of hydrogen gas was found to have an average de broglies wavelength of 1a 10-10m the approximate length of the
The bismuth-cadmium phase diagram is of interest in metallurgy, and its general form can be estimated from expressions for the depression of freezing point
Why does a piece of potato break down a 100% hydrogen peroxide solution faster than lets say a 75% hydrogen peroxide and 25% water
Calculate the frequency of the photon emitted by a hydrogen atom when its electron droops from the n=3 state to the n=1state
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