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All chemical reactions, spontaneous and non spontaneous require an energy "push" in the form of energy of activation. why is the reaction called spontaneous if energy is required to start the reaction?
Fill in the MO diagram for N2 (+). Im having trouble remembering how to use MO diagrams again and if you could explain how to use them I would be very grateful.
A sample of gaseous C2H2 (acetylene, or ethyne) was stored for one year, yet at the end of this period the sample remained unchanged and no graphite or hydrogen gas had been formed. Briefly explain why there is no inconsistency between the sign of..
Calculate the enthalpy change associated with the conversion of 25.0 grams of ice at -4.00°C to water vapor at 110.0°C. The specific heats of ice, water, and steam are 2.09 J/g-K, 4.18 J/g-K, and 1.84 J/g-K
Describe how you can use titration to determine the molar mass of an unknown acid, by giving a specific example and showing a sample calculation.
The second order rate constant for a reaction is 4.2300 x 102 M-1s-1. If the initial reagent concentration is 0.93800 mol/L, determine the time (in seconds) required for the reagent concentration to reach 0.21800 mol/L.
Determine what mass of sulphuric acid would be needed to mix with 0.75 mol of sodium hydroxide(NaOH)?
A 25.0mL sample of HCl solution is titrated with a 0.139 M NaOH solution. The equivalence point is reached with 30.2 mL of base
Calculate the partial pressure of ozone and the number of ozone molecules per liter of air if the temperature and pressure were 20.0 °C and 758 mmHg, respectively.
Which absorption band present in the acetaminophen spectrum but absent in the p-aminophenol spectrum indicates that this product is an amide
A gas expands and does P-V work on the surroundings equal to 285 J. At the same time, it absorbs 216 J of heat from the surroundings. What is the change in energy of the system?
he uses the combustion of natural gas which is exothermic to heat the water how much natural gas will he need to burn?
Solid aluminum metal and diatomic chlorine gas react spontaneously to form a solid product. Give the balanced chemical equation (including phases) that describes this reaction.
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