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Calcium sulfate is sparingly soluble in water. describe and explain what would you see when few cm^3 of concentrated of Na2SO4 (aq) were added to a solution of CaSO4 (aq).
The answer says CaSo4 (s) will be formed but why? My answer is that since Na2SO4 is soluble in water it will react with water, is it correct? and why solid is formed?
Derive an expression for the change in temperature which occurs during adiabatic expansion and calculate the work done on a closed system
Using information from the table of Standard Thermodynamic Data, calculate the equilibrium constant, Keq, for the reaction given below at 298 K.
what is the mass of hydrogen gas released from 2.70 g of aluminum metal and hydrochloric acid?2 als 6 hclaq 2 alcl3aq
There are several reagents that can be used to effect addition to a double bond including: acid and water, oxymercuration-demercuration reagents, and hydroboration-oxidation reagents
Norborneol synthesis in this manner is stereoselective. So, there are two possible products one endo and one exo. Only one will form, but why aren't there actually four possible products since the alcohol can form on either carbon in the alkene?
8 ml of the HCl was used to titrate the pK_a 3.8 group; so 2 ml was enough to titrate the rest of the high pK_a group. The upper pK_a group must have begun the experiment as 80% acid form, 20% base form.
4 HCl(aq) + MnO2(s)-> MnCl2(aq) + 2 H2O(g) + Cl2(g) Consider the reaction of 1.53 mol HCl with excess MnO2. How many moles of Cl2 form?
Suppose you want to heat air in your house with methane (CH4). Assume your house has 275 m2 of floor area and that ceiling is 2.50 m from the floor.
What is the difference between a common name, IUPAC name, a name in an international journal, and a name in an American journal? I understand how to do IUPAC names, but then I am confused at the rest.
How do I calculate the concentration (molarity) using the calibration curve of absorbance vs. wavelength
have a buffer solution composed of 4.00 mol of acid and 1.75 mol of the conjugate base. If the pKa of the acid is 2.20, what is the pH of the buffer?
the coinage metals-copper silver and gold-crystallize in a face center cubic structure. use the density of copper of
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