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2KMnO4 + 10KI + 8H2SO4 ---> 6K2SO4 + 2MnSO4 + 5I2 + 8H20. How many moles of I2 are produced by reacting 28.0 g KMnO4, 18.0 g KI, and 46.0 g H2SO4?
Spectroscopic studies have shown that the fusion reaction in the sun's core proceeds by a complicated mechanism. One proposed overall equation for the solar fusion reaction is
How are the opposing pathways of glycolysis and gluconeogenesis prevented from extensive futile cycling? a) The catabolic and anabolic pathways do not take place in the same part of the cell
a 155 gram sample of copper was heated to 150 degrees Celsius then placed into 250 gram of water at 19.8 degrees Celsius. Calculate the final temperature of the mixture.
The critical constants of ethane are Pc= 48.20 atm, Vc= 148 cm3mol-1, and Tc= 305.4 K. Calculate the van der Waals parameters of the gas and estimate the radius of the molecules.
A person inhales air richer in O2 and exhales air richer in CO2 and water vapor. During each hour of sleep, a person exhales a total of 300. L of this CO2-enriched and H2O-enriched air.
A balloon is filled to a volume of 7.00 x 102 mL at a temperature of 20.0 oC. The balloon is then cooled at constant pressure to a temperature of 1.00 x 102 K.
the volume of 4 cubic meters of gas is kept under constant pressure. its tempeture is increased from a minus 73 degrees
How many molecules of NH3 do you have when you have 2.6 moles of NH3. How many moles of water do you have when you have 1.12 x 10 26 molecules of water
What is the pH at the equivalence point of the titration and at the half equivalence point
54.9g of solid aluminum hydroxide, Al(OH)3, is neutralized with 91.9g of sulfuric acid, H2SO4. (a) write a balanced equation of the reaction (b) which one is the limiting reagent
Our book shows a radioactive decay series in which a sample that starts out as U-238 eventually winds up becoming non-radioactive Pb-206. The half life for this process is extremely long, being 4.51 x 10^9 years. Consider a radioactive mineral sam..
In an experiment 1.550g of mercury oxide decomposed to give oxygen gas and 1.435g of liquid mercury. What is the empirical formula of mercury oxide
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