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Carbon dioxide gas is added to water containing excess dissolved lime to form calcium carbonate precipitate. Write a balanced equation of CO2 reacting with Ca(OH)2. Calculate the mg/l of carbon dioxide required to react with 35 mg/l of calcium hydroxide and the m/l of precipitate formed.
Evaluate the electronic configuration for ionization energies of Magnesium, the orbital number in which the electrons are added in phosphorus ion, and the one will lose in the ionization of Alluminium.
A gas is placed in a storage tank at pressure of 30.0 atm at 20.3 degrees Celsius. As a safety device, there is a small metal plug in the tank made of metal alloy that melts at 125 degrees Celsius.
Draw the Lewis Structure for a Nitrate Ion (NO3-1). Assign the formal charge for the central atom, Nitrogen. What is that formal charge
understanding of chemistry basics.1. boltzmanns critics claimed his work was unscientific because he.a. presented his
if the initial pressures of the h2 and n2 in the flasks were 360 torr and 240 torr respectively what would be the final
If a mixture of gases contained 78% nitrogen at a pressure of 984 torr and 22% carbon dioxide at 345 torr, what is the total pressure of the system?
What are the major products of reaction of each of the following with (i) propanal and (ii) propanone. (a) LiAlH4 / THF then acidic workup (b) PhMgBr then acidic workup
If the propanoate ion comes from strontium propionate, Sr(C3H5O2)2 then how many grams of strontium propanoate are needed? Assume it is completely soluble.
The energy diagram shown represents the chemical reaction between solid ammonium chloride and solid barium hydroxide octahydrate: 2NH4Cl(s)+Ba(OH)2 * 8H2O(s)-----2NH3(aq)+BaCl2(aq)+10H2O(l)
a coffee contains 100 ml of h2o. initial temperature of calorimeter is temperature 23c.if 8.20g of cacl2 is added to
Determine the overall charge on each complex. a) hexachloroplatinate(IV) b) triamminetriiodocobalt(III) c) diaquadichloroethylenediaminecobalt(III)
With respect to the corrosion of steel in concrete, explain the significance of the following terms: carbonation of concrete, passivity of steel, electrical resistivity of concrete, state of oxidation of iron.
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