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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?
Sufficient sodium cyanide, NaCN, was added to 0.015 M silver nitrate, AgNO3, to give a sloution that was initially 0.100M in cyanide ion, CN-. What is the concentration of silve ion, Ag+, in this solution after Ag(CN)2- forms
what mass of limestone is required to remove all the sulfur dioxide formed by the combustion of 9.2 X 10^4 kg of coal that is 0.33 mass % sulfur?
What substitution product(s) is(are) obtained when 2-chlorobutane reacts with Ag/NO3/ethanol-water (1:1)
If both enzymes catalyze their reaction with similar rates, explain why the hydrolysis of the starch molecule is accelerated when both enzymes act together.
The temperature of the mixture is 0? , and the total pressure is 1.00 atm . How many grams of helium are present in the gas mixture? Mass of He =?
Thermal decomposition of KClO3(s) yields KCl(s) and O2(g). When 4.289 g of KClO3 (0.03500 mol) undergo this reaction, how many grams of oxygen are produced
A 7.75-L container holds a mixture of two gases at 37 °C. The partial pressures of gas A and gas B, respectively, are 0.209 atm and 0.735 atm. If 0.130 mol a third gas is added with no change in volume or temperature, what will the total pressure ..
how to break glass bottles where you soak yarn in acetone, tie it around the bottle, light it on fire for 20-30 seconds then submerge it in water and the glass seperates.
One liter of a gas has a pressure of 150.00 kPa at 25.0°C. If the pressure increases to 600.0 kPa and the temperature to 100.0°C, what would be the new volume of the gas?
Calculate the enthalpy change associated with the conversion of 25.0 grams of ice at -4.00°C to water vapor at 110.0°C. The specific heats of ice, water, and steam are 2.09 J/g-K, 4.18 J/g-K, and 1.84 J/g-K, respectively. For H2O, Hfus = 6.01 kJ/m..
Calculate the amount of isopentyl acetate that should be present in the reaction mixture at equilibrium based on 300 mmol of acetic acid and 150 mmol of isopentyl alcohol as starting quantities. Use equilibrium constant of 4.2 for this calculation..
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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