Recent content by DDNow

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    Basic Mathematical Induction w/ n In the Exponent

    I'm not sure how that is incorrect. I get it now. When I look at it like 1[4^(K+1)]+3[4^(K+1)], it makes sense. I was trying to multiply, which was wrong, and didn't let me pull out 4/3. Thanks, everyone.
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    Basic Mathematical Induction w/ n In the Exponent

    Homework Statement All I am trying to do is the basic mathematical induction routine: n=1, n=k, n=k+1 and how n=k proves n=k+1. The problem I am having is with the algebra. 4+16+64+...+4^{n}=\frac{4}{3}(4^{n}-1) 2. Homework Equations and Attempts For n=1 4=4 That's OK For n=k...
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    Simple (Frustrating) Combined Gas Law Problem

    Hey! Thank you for that. Worked perfectly. I assumed since it was a temperature divided by a temperature that the ratio would be the same for C or K. Obviously, I was wrong. I really appreciate your time alphysicist! Edit: I'm not sure if I need to mark this as resolved or whatnot. If someone...
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    Simple (Frustrating) Combined Gas Law Problem

    Homework Statement If 562L of a gas is prepared at 700 torr and 213 degrees C, and it is then pumped into a 25.3L tank at 35 degrees C, what pressure will the tank have to withstand? Homework Equations \frac{V_{1}*P_{1}}{T_{1}}=\frac{V_{2}*P_{2}}{T_{2}} Becomes...
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    I keep getting errors in a simple copper sulfate experiment

    Homework Statement I need to find the total number of water molecules per copper sulfate molecule. The answer is 5. But, I keep getting ~4 with the average of two dehydrating experiments. 2. Homework Equations with my Attempts I am just using simple factor equations for these. I am...
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