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The reaction that produces the water gas mixture is as follows: C(s) + H2O(g) ? CO(g) + H2(g) This reaction requires an input of 131 kJ of heat for every mole of carbon that reacts.
a. Is this reaction endothermic or exothermic?
b. What is the energy change for this reaction in units of kJ/mol of carbon?
Effusion describes, A) the process by which a gas spreads out through another gas B) the process that describes the collisiions that occur between gas molecules
write the equation for self-ionization of water and why ammonia is a weak base.
If an archaeologist finds an ancient firepit containing partially consumed firewood, and the 14C content of the wood is only 13.1% that of an equal carbon sample from a present-day tree, what is the age of the ancient site?
Since the freezing point of a solution depends on the number of particles, what would you expect the freezing point of 0.1 m solutions of aqueous NaCL and BaCl2?
Propanoic Acid, HC3H5O2, is a weak acid. A 0.125 M solution of propanoic acid, HC3H5O2, dissociates 1.020%. Using this information, calculate the pH of the 0.125 M solution of propanoic acid.
have the same melting point.How can you determine if they are the same without using any form of spectroscopy? Explain in details.
Complete and balance the equation for this reaction in basic solution. Phases are optional.
Splitting patterns and integrations may be used more than once, or not at all, as needed. Likewise, some bins might remain blank. Note that peak heights are arbitrary and do not indicate proton integrations.
calculate the value of deta s when 1.80 mol ch3oh l of is vaporized at 64.7 c. the normal boiling point of methanol is
What is the ultraviolet catastrophe? Explain why it was predicted and why this prediction
Calculate the partial pressure of the hydrogen gas using the atmospheric pressure and the vapor pressure of water at the temperature of the solution. Assuming ideal gas behavior, calculate the number of moles of hydrogen gas evolved.
aluminum has the mass of 8.37g. when it is placed in a graduated cylinder containing 20.0mL of water, the water level rose 23.1mL. calculate the density and specific gravitas of the object.
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