Recent content by Greyt

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    How Can I Calculate the Heat of Reaction Using Hess' Law and a Calorimeter?

    First off, thank you for the swift reply. It seems that is the correct method of solving the problem, but I am curious as to when I can use the heat capacity of water. Is there a general guideline as to how concentrated a solution has to be before you can no longer say its heat capacity is...
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    How Can I Calculate the Heat of Reaction Using Hess' Law and a Calorimeter?

    Hello there, I am supposed to experimentally determine (with the use of a calorimeter) the overall heat of reaction per mole of calcium metal in two cases: 1. When I mix HCL, calcium and water in that order. 2. When I mix water, calcium and HCL in that order. In each case, I am...
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    2D kinematics - Solved, but a question on the logic

    Ah, I completely neglected the fact it was traveling down from its peak and so the y represents how far the basket is from the top of its height. Thanks to you both! (I feel silly for ignoring that negative sign for gravity now)
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    2D kinematics - Solved, but a question on the logic

    The problem: (Note: the correct answer is bolded throughout) A basketball is launched with an initial speed of 8 m/s at a 45 degree angle from the horizontal. The ball enters the basket in 0.96 seconds. What is the distance x and y? Just ignore the distance x, I know it's simply the product...
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