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All of the following are balanced equations. State the number of atoms of each element in the reactant and in the products. a) 2N2(g)+3O2(g)--->2N2O3(g); b)Al2O3(s)+6HCl(aq)--->2AlCl3(aq)+3H2O(l); c) C5H12(l)+8O2(g)--->5CO2(g)+6H2O(g).
Calculate the product of 3.214 x 10-6 and 2.6x10-3. Answer using the correct number of significant figures.
A buffer is 0.282 M C6H5COOH (aq) and 0.282 M NA(C6H5COO)(aq). Calculate the pH after the addition of 0.150 moles of nitric acid to 1.0 L of the buffer.
How many grams of water are required to prepare a 1 .50 m NaCl solution using 45.5 grams of NaCl?
If you dilute 21.0 mL of the stock solution to a final volume of 0.500 L, what will be the concentration of the diluted solution?
An interstitial alloy prepared from two metals. metal A with the larger atomic radius has a hexagonal closed-packed structure. What if the formula(for example:A2B,AB,AB2)of the alloy if atoms of metal B occupy the following?
If the specific heat of the salt is 0.663 J/C.g, what is the enthalpy of solution for salt MX if its molar mass is 68.0 g/mol?
You are given an acid with an equivalent weight of 62.5 g. What is the average molecular weight if the acid is diprotic? a) How many grams of your acid are needed to make 150mL of a .750 N (normal) solution?
In an acid-base titration experiment, 50.00 mL of a 0.0500 M solution of acetic acid (ka=1.75 x 10^-5) was titrated with a 0.0500 M solution of NaOH at 25 degree C
What is the hybridization of the nitrogen atom in sulfathiazole, and assuming the sulfur atom is sp2 hybridized how many electrons are there in the sulfathiazole ring
What actions should an exposed person take during the immediate aftermath of the explosion?
How many moles of chloride ions are there?
an acetic acid solution of 2.87 pH is titrated with 1.5 mL of bromocresol green. When the color changes to light green
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