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Calculate the molar heat of vaporization of a substance given that 0.383 mol of the substance absorbs 24.1 kJ of energy when it is vaporized.
Answer in units of kJ/mol
The enthalpy change for any reaction can be obtained by subtracting the sum of the enthalpy changes of formation of the reactants from the sum of the enthalpy changes of formation of the products.
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rate constant for the decomposition of N2O5 to NO2 and O2 at 70 degree celsius is 6.82 x 10^-3 s-1. Suppose we start with 0.300 mol of N2O5(g) in a .500L container. What is the half-life of N2O5 at 70 degrees celsius?
If 4 mol of a gas at 100 K and 1 atm occupies a volume of 2.5 L, what would the pressure be, in atm, if the volume decreased to 2.0 L and the temperature increased to 110 K
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Define the normal boiling point of a liquid. Explain why atmospheric pressure affects boiling points of liquids.
For each of the following unbalanced equations, indicate how many moles of the second reactant would be required to react exactly with 0.275 mol of the first reactant. Show all work below.
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In an electrochemical cell, which of the following statements is FALSE? A. The cathode is the electrode where reduction occurs. B. The anode is electrode where oxidation occurs. C. A spontaneous electrochemical cell is called a galvanic cell. D. A..
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