How could one be endothermic and one be exothermic
If ΔG= - and ΔS= + for two dissolving process, how could one be endothermic and one be exothermic? is there more to consider than just the dissolving process?
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Discuss a real-life example in which you would need to add, subtract, multiply, or divide fractions or mixed numbers, and show the math.
When copper (II) sulfate penthydrate is heated, the deep blue color of the hydrate changes to the white color of the anhydrous salt. Determine why such a vivid change in color is common when such elements' hydrated compounds are heated.
(a) How much time does it take for the bike to come to rest? (b) What is the angular acceleration of each wheel?
After 10.0 s, a spinning roulette wheel at a casino has slowed down to an angular velocity of +1.72 rad/s. During this time, the wheel has an angular acceleration of -5.05 rad/s2. Determine the angular displacement of the wheel.
A 35.8-g sample of cadmium metal was melted by an electric heater providing 4.66 J/s of heat. If it took 6.92 min from the time themetal began to melt until it was completely melted, what is the heat of fusion per mole of cadmium?
At the local swimming hole, a favorite trick is to run horizontally off a cliff that is 7.1 m above the water. One diver runs off the edge of the cliff, tucks into a "ball," and rotates on the way down with an average angular speed of 1.4 rev/s. I
Aluminum and iron blocks of the same weight are heated to 250?C. These blocks are dropped into a bucket of water. Assuming enough heat is available in the blocks, which block will heat the water the quickest to 75?C? Explain
An auto race is held on a circular track. A car completes one lap in a time of 20.5 s, with an average tangential speed of 47.5 m/s. Find the following. (a) the average angular speed
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