Question #2. I’m using the formula for thermal expansion and keep getting this answer wrong. See...
When the temperature of a coin is raised by 86.9 C°, the coin's diameter increases by 2.78 x 10-5 m. If the original diameter is 1.73 x 10-2 m, find the coefficient of linear expansion.
Class Test-II Phy-105-02 Fall 2019 Section-III: (Problem solving each carrying 2 marks; 2X5 =10) 21. Find the Young's modulus (Y) of the steel rod of 0.01 m long and a cross sectional area of 0.001 cm', elongates 0.1% when supported by a 100 kg load, hung from the other end. 22. Find the speed of water at the narrow end of a pipe through a cross section of 0.001 m when water flows from the other end of area 0.002...
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REPORT SHEET Determination of the Solubility-Product Constant for a Sparingly Soluble Salt EXPERIMENT 8 A. Preparation of a Calibration Curve Initial (Cro121 0.0024 M Absorbance 5 mL Volume of 0.0024 M K Cro Total volume 1. I mL 100 mL 2. 100ML 3. 10 mL 100ml 4. 15 mL 100 ML Molar extinction coefficient for [CrO2) [Cro,2) 2.4x100M 12x1044 2.4810M 3.6810M 0.04) 2037.37 0.85 1.13 2. 3. Average molar extinction coefficient...