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What is the best way to isolate the compound of : 1,2,4,5-tetrachlorobenzene, o-toluic acid and 1,4-dibromobenzene
The solubility product constant for Cu(IO3)2 is 1.44 x 10-7. What volume of 0.0520 M S2O32- would be required to titrate a 20.00 mL sample of a saturated solution of Cu(IO3)2?
At equilibrium, the concentration of A is 0.381 M and that of B is 0.154 M. What is the value of the equilibrium constant, Keq?
When aluminum metal is dipped in an aqueous solution of hydrochloric acid, hydrogen gas is produced with the formation of an aluminum chloride solution. Write the balanced chemical equation showing the phase of reactants and products.
suppose a black-body chamber is constructed from 55.8 g one mole of iron and heated to 500 k.classical theory and the
your expense account allows you to spend $80.00 a day when you are on a trip. If you have a week-long trip to tiny country of Kratvia, where the exchange rate is 3.50 kratvels per dollar, how many kratvels can you spend during the week? (7 day..
Write out all equations (but you do not have to do the integration!) how you would calculate the absolute entropy of Cl2(g) at 298K. For full credit, you must include the limits of integration.
What is an indicator and explain how it is used in titration. Enumerate the criteria in choosing the indicator for a specific titration.
you mix 242 grams of NaCl with enough water to form 500 mL of solution. What is the final molarity?
A 12 liter tank contains helium gas pressurized to 160 atm. What size tank would be needed to contain this same amount of helium at 1 atm
A moth-ball, composed of naphthalene (C10H8), has a mass of 1.32 g. How many naphthalene molecules does it contain?
If the H+ ion concentration in an aqueous solution at 25.0 °C is measured as 6.6 x 10-4 M, then the pH is 1) 3.00 2) 3.18 3) 6.60 4) 9.55 5) 10.82
Write the chemical equation(s), including state symbols, for what happens when each soluble ionic compound that you identified above is placed in water. Are these substances reacting with water when they are added to water?
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