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Presume you inserted a piece of an unknown metal into a solution of zinc (II) nitrate and observed no reaction. After that if you inserted the unknown piece of the metal into the solution of iron (III) chloride a deposit formed on the bottom of the well in the well plate. Explain where does the unknown metal fit into your activity series?
The solubility of CO2 in water at 25 degrees celsius and 1 atm is 0.034 mol/L. What is its solubility at a partial pressure in air of 0.00017 atm? Assume that CO2 obeys Henry's Law. Enter your answer in scientific notation.
Explain what is the final temperature of the block after the evaporation of the alcohol. Presume that the heat required for the vaporization of the alcohol comes merely from the aluminum block as well as that the alcohol vaporizes at 25.
How much PV work is done in kilojoules and what is the value of ^E in kilojoules for the reaction of 6.50g of acetylene at atmospheric pressure if the volume change is -2.80L
Solid calcium oxide reacts with solid ammonium chloride to produce gaseous ammonia, gaseous water, and solid calcium chloride. If 112 grams of calcium oxide were mixed with 224 grams of ammonium chloride
A microwave oven operates at 3.00GHz . What is the wavelength of the radiation produced by this appliance? Express the wavelength numerically in nanometers.
54.0 mL of a 1.40 M solution is diluted to a volume of 218 mL. A 109-mL portion of that solution is diluted using 183 mL of water. What is the final concentration.
The values of delta h and delta s for the reaction CaCo3(s) yields CaO(s)+CO2(g) are 177.8kJ and 160.5 J/K respectively. the pressure of CO2 at equilibrium for the process
strontium-90 and radon-222 both pose serious health risks. sr-90 decay by beta particle production and has a relatively
A mixture of 2.0 mol of H2 (g) and 1.0 mol of O2 (g) is placed in a sealed evacuated container made of a perfect insulating material at 25C. The mixture is ignited with a spark and it reacts to form liquid water. Find the temperature of the water.
sylvanite is a mineral that contains 28.0 gold by mass. how much sylvanite would you need to dig up to obtain 70.0 g og
write balanced net ionic equations for the following electrolysis reactions using platinum electrodes
What total volume of ozone measured at a pressure of 21.0 {\rm mmHg} and a temperature of 227 {\rm K} can be destroyed when all of the chlorine from 12.0 {\rm g} of {\rm{CF}}_3 {\rm{Cl}} goes through ten cycles of the above reactions
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