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The standard enthalpy of fusion of bromobenzene is 10.7 kJ/mol at its melting point, 242.4 K. What is the standard change in entropy for the melting of bromobenzene at its melting point?
In some industrial processes, sulfite is added to remove dissolved O2 to prevent corrosion of pipes. Write the balanced overall chemical reaction for reduction of dissolved O2 by sulfite (SO32-)
Problem- Suppose that the atomic mass unit (amu) had been defined as one-twentieth of the average mass of an atom of carbon instead of one-twelfth of the mass of an atom of carbon-12. What would the average atomic mass of aluminum be on this new s..
ow many coulombs are required to produce 63.8 g of potassium metal from a sample of molten potassium
Which step is the rate determining step on a reaction?
Which of the following correctly shows the oxidation numbers for each of the elements in H2PO4?, I2, and Al(OH)4
How does the strength of the attration between water molecules and sodium and chloride ions compare with the strength of the attraction between the sodium ions and chloride ions?
How much heat energy is evolved or absorbed 8kg of Ca(OH)2 reacts with a stoichiometric amount of CO2 Delta(H) = -69.8 kJ/mol
Identify which of the following statements are incorrect. If the statement is incorrect, rewrite it to be correct. a. Reactions are faster at higher temperature because activation energies are lower.
adiabatic expansion back to its initial temperature, (c) reversible isothermal compression back to 1.00 atm. Calculate q, w, delta U, and delta H for each step.
In an experiment to calculate he enthalpy change of combustion of a fuel, 1.5g (0.0326 mol) of the fuel was used to heat 200g of water. The temperature of the water rose from 25'C to 55'C. The specific heat capacity of water is 4.18 J/Kg.There is a s..
batteries are listed by their cranking power which is the amountof current that the battery can produce for 30 seconds.
If 352 g of magnesium reacts with excess oxygen to produce 296 g of magnesium oxide, what is the percent yield for the reaction?
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