- How many grams of CaCl2 are needed to prepare 0.250 L of a 1.56 M solution?

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What is the history behind adiabatic processes in regards to thermodynamics? Please explain as simply as possible, thank you!? Given σ=5 and P(x ≥ 25) = .0526 find μ.
Given μ=25 and P(x ≤ 10) = .0778 find σ
Given μ=30 and P(x ≤ 50) = .9772 find σ? P(x) and r(x) are polynomials.p(x) is a trinomial.give an example for p(x) and r(x) such that p(x) - r(x) is a trinomial. show that it works? How to derive speed of sound using particles in vaccume along tube? "Explain the significance of earthquake depth in relation to the Hypocentre and, therefore, the earthquake risk"?

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