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The "roasting" of 48.7 g of ZnS at constant pressure gives off 220. kJ of heat. Calculate the DH for this reaction. 2ZnS(s) + 3O2(g) ® 2ZnO(s) + 2SO2(g)
liquid water and sealed at 25C and a pressure of 1.00 bar. What is the pressure if the temperature of the system is raised to 60.0C?
Based on the procedure that you used in this experiment and using the same molar quantaties of reactants, develop a procedure that would be suitable for the preparation of isobutyl propionate.
A critical reaction in the production of energy to do work or drive chemical in biological systems is the hydrolysis of adenosine triphosphate, ATP to adenosine diphosphate ADP as described by ATP
what volume will a 300.0 mL sample of gas at STP occupy when the pressure is doubled at constant temperature
How many milliliters of water must be added to a stock solution of 6.00 M HNO3 in order to prepare 500 mL of 0.200 M HNO3 by dilution.
Write net ionic equations for the reactions that take place when aqueous solutions of the following substances are mixed.
An aqueous CaCl2 solution has a vapor pressure of 83.7mmHg at 50 C . The vapor pressure of pure water at this temperature is 92.6mmHg.
A sample of oxygen that occupies 1.00 × 10-6 mL at 575 mm Hg is subjected to a pressure of 1.25 atm. What will the final volume of the sample be if the temperature is held constant
What enone product would you expect to obtain from intramolecular aldol condensation of 3-methylhexanedial
Write a net ionic equation for the reaction that occurs when cobalt(II) carbonate (s) and excess hydrochloric acid (aq) are combined.
Explain the valences for each, showing what may happen to the electronic structure in each case
An organic material is extracted from water. The separatory funnel containins 10 mL of ether and 20 mL of water. Considering that the K (partition coefficient) value is 3.2,
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