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What is the amount of heat in kilojoules required to convert 281.0 g of ice at -15.2°C to liquid water at 35.6°C? The specific heat of ice is 2.03 J/g ·°C. The molar heat of fusion of ice is 6010 J/mol. The specific heat of water is 4.184 J/g ·°C.
A hydrolysis reaction in which substrate is converted to products is catalyzed by an enzyme. the reaction was determined to have a Kcat of 10000 s^-1 and a standard free energy change of -13.8 kJ/mol. answer the following questions about experimen..
When the chain-growth polymerization is conducted in dilute and more concentrated solutions the resulting degrees of polymerization/molecular weights obtained are observed to be very different,
Aluminum forms a layer of aluminum oxide when exposed to air which protects the bulk metal from further corrosion.
Propane reacts with molecular fluorine to form fluoropropane in the presence of light energy. Using curvy arrows to show the movement of electrons, present a reasonable mechanism for this reaction. Label each step in the process.
Determine the molar internal energy (kJ/mol) of HCl (B = 10.59 cm-1 and ? = 2886 cm-1) under standard thermodynamic conditions. For the vibrational part, use N = nNa.
1. what is the mode of reaction of an acid buffer.2. make list of industrial applications of buffers with clear
the indicator phenolphthalein is used in this lab and changes from colorless to red at ph around 9 when a base is
Ferrocene cannot be nitrated using the conventional HNO3-H2SO4 mixed acid conditions, even though nitration is an electrophilic
The activation energy for the isomerization of methyl isonitrile (see figure below) is 160 kJ/mol. Calculate the fraction of methyl isonitrile molecules that has an energy of 160.0 kJ or greater at 499 K.
Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5. Enter your answer with 2 decimal places.
Problem- A mixture 0.500 mole of carbon monoxide and 0.400 mole of bromine was placed into a rigid1.00-L container and the system was allowed to come to equilibrium. The equilibrium concentration of COBr2 was 0.233M. What is the value of Kc for th..
exactly 16.9mL of EDTA are required to reach the EBT endpoint. calculate the total hardness in ppm CaCO3.
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