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In the first part of urine analysis, we used special test strips that are used by medical professionals and in the second part we tested the same samples using classical qualitative analysis techniques. Which technique do you find preferable. List several reasons to justify your answer.
4.5 L of Mg(OH)2 solution was titrated with 5.03 mL of 0.200 M HCl. Calculate the the molarity of Mg(OH)2 solution and the ksp.
If a reaction is reversible, what are the relative amounts of reactant and product at the end of the reaction
calculate the amount of heat absorbed when 50g of ice areheated to produce steam at 100 degrees celsuis. the specific
Calculate the energy in joules and calories lost when 18.0 {rm g} gold ({rm Au}) cools from 226^circ C to 124^circ C.
Problem- The flask shown here contains 0.761 g of acid and a few drops of phenolphthalein indicator dissolved in water. The buret contains 0.160 M NaOH. 1) What volume of base is needed to reach the end point of the titration
Assuming the solution has a heat capacity of 4.18 J/°C·g and assuming no heat loss to the calorimeter, calculate the enthalpy change for the dissolution of NH4NO3 in units of kJ/mol.
question a 50.00-ml solution of 0.0350 m ammonia kb 1.8 times 10-5 is titrated with a 0.0152 m solution of
At 46 degrees Celsius, a sample of ammonia gas exerts a pressure of 5.3 atm. What is the pressure when the volume of gas is reduced to 0.10 of the original value at the same temp
Predict whether a precipitate will form in the following experiments. write down the associated balanced chemical equations for the formation of the precipitate.
3. Concentrated acetic acid is a Class II combustible liquid. What is the molecular weight of acetic acid that will form 2 moles of CO2 assuming complete combustion?
Determine the internuclear distance r for pottasium chloride given that the ionic radius for chloride ions is 1.82Angstroms?
How would you write the Sn2 mechanism of sodium chlorophenolate with sodium chloroacetate?
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