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Determine the maximum number of moles of SO2 produced from 12 moles of H2S and 4.0 moles of O2
The final temperature of the water and metal was 25.0 C. Assuming no heat is lost to the surroundings,calculate the specific heat of the metal and estimate its atomic weight
All of the carbon atoms in the ring of carbon atoms of the benzene molecule are double bonded to each other. All of the carbon atoms in the ring of carbon atoms of the benzene molecule are single bonded to each other.
calculate the temperature (in EC) at which the vapor pressure is 760 torr. The vapor pressure of Ethanol is 115 torr at 34.9EC
When heat and a stream of H2 gas is applied to the sample, the Fe2O3 reacts to form metallic Fe and H2O(g). The Al2O3 does not react. If the sample residue weighs 2.499 g, what is the mass fraction of Fe2O3 in the original sample?
If 17.9 mL of 0.800 M HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution, what is the molar concentration of the ammonia.
Which of the following statements about free radicals is true? Free radicals are considered good because they are good oxidizing agents.
What is the estimated temperature of the object using the above approximate prescription? what is the percent error?
Many gases are shipped in high-pressure containers. Consider a steel tank whose volume is 65.0L and which contains O2 gas at a pressure of 16,500kPa at 23°C.
The Al2O3 does not react. If the sample residue weighs 2.456 g, what is the mass fraction of Fe2O3 in the original sample?
Ligands approaching in a tetrahedral pattern cause some orbitals to be raised in energy. How many orbitals are on the lower energy level?
The activation energy for a given reaction is 87 kJ/mol. What is the ratio of the rate constants for this reaction when the temperature is decreased from 37 °C to 15 °C
The measured boiling point of the solution was 65.46 °C. Calculate the molecular weight of the unknown substance.
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