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Lakes that have been acidified by acid rain can be neutralized by the addition of limestone (CaCO3). How much limestone in kilograms would be required to completely neutralize a 5.2 x 109 L lake containing 5.0 x 10-3 g of H2SO4 per liter?
Predict the electron-domain geometry, the molecular geometry, and the hybridization of the central atom. For each non ionic species, state whether it will be polar or nonpolar. a) SeO2 b) XeF4 c) PCL5 d) BrF2-
so3 can be produced in the following two-step processfes2 o2 ---gt fe2o3 so2s02 o2 ----gt so3assuming that all the
a) H2 (g) + Br2 (g) â?" 2 HBr (g) + heat [0.513] [0.62] [0.346] b) N2O4 (g) + heat â?" 2 NO2 (g) [0.0325] [0.022] c) NH4SH (g) â?" NH3 (g) + H2S (g) + heat [0.027] [0.0234] [0.209] Calculate Ke for the following (equilibrium concentrations give..
Draw the skeletal structure of the major organic product formed inthe reaction below when the second step is heated to reflux.
Because of porosity of the filter paper some of the CaC2O4*H2O precipitate passes through the filter paper. Will the reported percent of the limiting reactant in the original salt mixture be reported too high or too low
How many grams of potassium nitrate are required to prepare 0.250 L of a 0.700 M solution?
classfy each reaction as cmbnation, decompositon, single replacement, double replacement, or combustion
A 5.0 g sample of a hydrate of BaCl2 was heated, and only 4.3 g of the anhydrous salt remained. What percentage of water was in the hydrate?
dissociate into two NO2 molecules if one mole of pure N2O4 is introduced to a 10 liter constant volume, constant temperature of 298K reactor. In addition determine the initial and final pressures within the reactor and the composition of the equil..
An unknown mass of each of the given substances 1.Sand (tf=70.4 C),2.Pyrex glass(tf=67.6 C),3.water(tf=55.9 C) ,4.ethanol (tf=45.9 C), initially at 19.0 degrees Celsius, absorbs 1930 Joules of heat. Find out the mass of each substance.
When a solution containing equal moles of hemoglobin and myoglobin is bubbled with a small amount of O2: A. hemoglobin will dissociate into free dimers. B. hemoglobin will dissociate into free monomers.
Calorimetry is a method used to measure enthalpy, or heat, changes that occur during chemical processes. Two common calorimeters are constant-pressure calorimeters and constant-volume (or "bomb") calorimeters
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