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For each of the reactions shown, calculate the mass (in grams) of the product formed when 2.9 of the underlined reactant completely reacts. Assume that there is more than enough of the other reactant.
1)Ba(s)+Cl2(g)-----BaCl2(s)
2)Al(s)+3O2(g)----2Al2O3(s)
Ethanol (CH3Ch2OH) the intoxicant in alcoholic beverages, is also used to make other organic compounds. In concentrated sulfuric acid, ethanol forms diethyl ether and water.
If you have a sample of 2.5 mol of Fe2(SO4)3, how many mol of sulfate ion do you have
The active ingredient in aspirin is acetylsalicylic acid (HC9H7O4) a monoprotic acid with Ka = 3.3 10-4 at 25°C. What is the pH of a solution obtained by dissolving two extra-strength aspirin tablet
What happens to the amount of ionisation as we increase the ionic strength of a solution? What happens to the solubility of a salt and what is meant by the various terms we use when discussing analytical techniques?
does it mean that the solution will shift towards the products because there is excess of reactants? what does it mean when the solution is orange (is it shifting towards products or reactant)?
tap water with a Cl- ion concentration of 1*10^-5 mol/L? Ksp=1.77*10^-10
The net charge of a polypeptide at a particular pH can be determined by considering the pKa value of each ionizable group in the protein. For a linear polypeptide composed of 10 amino acids, how many (alpha-carboxyl plus alpha-amino) groups must b..
the brown gas no2 and the colorless gas n2o4 exist in equilibrium 2no2 lt----gt n2o4. in an experiment 0.625 mole of
What volume of concentrated HCl solution that is 36% HCl by mass has a density of 1.197g should be used to make 4.85L of HCl solution
The reaction takes place in a bomb calorimeter where 4.50g of glucose are burned. What is the heat capacity of the bomb if the temp. of the water in the bomb increases from 22.75 degrees Celsius to 25.32 degrees Celsius?
A 21.6 mL volume of 0.107 M NaOH solution, reaches the stoichiometric point in the titration of a 25.0 mL aliquot of nitrous acid, HNO2. What is the molar concentration of the HNO2 solution
consider a flask at 298 K with an air pressure of 738 mmHg to which some n-butanol is added. If the measured pressure after the addition is 745 mmHg, what is the vapor pressure of n-butanol at 298 K?
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