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The contents of the closed box in each of the following illustrations represent a system, and the arrows show the changes to the system during some process. The lengths of the arrows represent the relative magnitudes of q and w.
(a) Which of these processes is endothermic?
(b) For which of these processes, if any, is E 6 0?
(c) For which process, if any, does the system experience a net gain in internal energy? [Section 5.2]
Give the structure that corresponds to the following molecular formula and 1H NMR spectrum: C4H10O2: δ 1.36 (3H, d, J = 5.5 Hz); δ 3.32 (6H, s); δ 4.63 (1H, q, J = 5.5 Hz)
When 9.25 g of ClF3 was introduced into an empty 2.00 L container at 700.0 K, 19.8 % of the ClF3 decomposed to give an equilibrium mixture of ClF3, ClF, and F2.
calculate the pH of a 0.10M solution of hypochlorous acid. ka for hypochlorous acid is 3.5x10^-8
assume you have a solution that is 0.020m in both cd2ions and ni2 ions. if you add sulfide ions cds and niswill
Assume a specific heat of 4.18 J/(g·°C) for the solution, an initial temperature of 25.0°C, and no heat transfer between the cold pack and the environment
What concentration of glucose will be isotonic with 1.2% CaCl2 solution? Assume a van't Hoff factor of 2.8 for the CaCl2 solution. The molar masses of glucose and CaCl2 are 180.2 g/mol and 111.0 g/mol, respectively.
fundamentals of chemistry.1. hydrogen bonding innbsp water contributes toa. a decreasednbsp boiling
An ideal gas is allowed to expand from 8.40L to 12.6L at constant temperature. By what factor does the volume increase. The pressure will increase by same factor
identify the spectator ion s in the following equationhclaq li2co3aq rarr lihco3aq
Calculate deltaG for this reaction at 298K in kJ. What can be said about the spontaneity of the reaction at 298K? (1) spontaneous in the reverse direction
Predict the products for the following set of reactants- PCl3(l) + H2O(l) ? (You are just asked to determine the products and not necessarily balance the equation)
the following reaction is carried out in a bomb calorimeter 4nh3 g 5o2 g--gt4no g6h2o gthe calorimeter constant is
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