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Write the net ionic equation for the reaction that takes place when lead (II) ion precipitates with chloride ion.
Write the net ionic equation for the reaction that takes place when aqueous ammonia is added to mercury (I) chloride.
give an exmaple of a Group (IV) cation in the qualitative series.
If no precipitate is observed when hydrochloric acid is added to a solution that contains a mixture of cations, what can you conclude?
if you wish to centrifuge one tube of sample, what must you do to make sure you centrifuge the sample safely?
calculate the ph of each of these given solutions a 0.76 m koh bnbsp 0.0010 m hclcalculate the hydrogen ion
a 40 year old manager experiences abdominal pain post lunch. he goes to the restroom a couple of times but continues to
Calculate how much energy in the form of heat is available from 100mL of this mixture and compare it with the amount available from pure gasoline
c5h12, to Co2 and H20 is -3536.3 kJ/mol. What is the enthalpy of formation of pentane at 25 degrees celcuius?
Calculate [Cr3+] in equilibrium with Cr(OH)4- when 0.01 mol of Cr(NO3)3 is dissolved in a liter of solution buffered at pH 10.0
How much energy would be required to melt 48 g of HCl at its melting point of -110.8C? Hfus for HCl is 14.2 cal/g and Hvap for HCl is 98.7 cal/g.
an aqueous cacl2 solution has a vapor pressure of 82 mm hg at 50c. the vapor pressure of pure water at this temperature
what conversion factor is present in almost all stoichiometry
Using as sample of gas of 12.0 moles are in a tank of 8.00 Litres at the temperature of 22.6 degree celsius. compute the difference in pressure between CH 4 and an ideal gas under these conditions
The mass of the displaced fluid is equal to the mass of the object in air, 50.0 g, minus the apparent mass of the object in the fluid, 5.6 g: What is the mass of the displaced water
The bismuth-cadmium phase diagram is of interest in metallurgy, and its general form can be estimated from expressions for the depression of freezing point
A 330 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 626 mmHg. Calculate the moles of Ar present.
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