A reaction has a ΔHrxn=54.2 kJ. Calculate the change in entropy for the surroundings (ΔSsurr) for the reaction at 25.0 °C. (Assume constant pressure and temperature.) a. - 0.184 J/K

b. - 184 J/K

c. 1.66 J/K

d. 184 J/K

In a certain experiment 1.00 g of sodium bicarbonate and 1.00 g of citric acid are allowed to react. (a) which is the limiting reactant? (b) how many grams of carbon dioxide form? (c) how many

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In the bohr model of the atom, an electron that absorbs energy would

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What will be the equilibrium temperature when a 235 gg block of copper at 255 ∘C∘C is placed in a 155 gg aluminum calorimeter cup containing 875 gg of water at 16.0 ∘C∘C?

Determine the pH of a 0.350 M solution of HA. The pkb of A - is 12.830.

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How can you chose values for x when making a table of values representing a real world situation?