Part 3: Calculate density of a metal an unknown metal. 1. Using the pictures below, record the displayed data in the data table in the report sheet. Make sure to include the right number of significant figures in the measurements and calculations. Mass measurement 7.1 g on TARE
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Q: Part 3: Calculate density of a metal an unknown metal. 1. Using the pictures below, record the…
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Q: Part 3: Calculate density of a metal an unknown metal. 1. Using the pictures below, record the…
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- solve as neatly as possible and show completesolution. Round your final answer to 4 decimal places and box / highlight all final answers. and all values must include proper units with proper conversion if needed in your solution. kindly folllow the format Given,Required,Solution subject physical chemistry #4) final answer must be in cm/sec 4. An iron sphere of density 7.874 g/cm3 is falling at a steady speed in glycerol at 200C. The density of glycerol is 1.2613 g/ml and its viscosity at this temperature is 1.49 kg/m-s. If the diameter of the sphere is 10 mm, find the speed (in cm/s), assuming Stoke’s Law is valid.An experiment was performed to look at how density changes when t he ratio of water and ethanol was changed. The following data was obtained: % Mass Ethano1.00 2.50 3.50 4.00 6.00 7.50 9.50 Density, g/mL0.9963 0.9936 0.9918 0.9910 0.9878 0.9855 0.9826 Use Excel or a similar spreadsheet program to plot these six data points and answer the following questions . a.What is the independent variable? b.What is the dependent variable? c.What is the equation of the best-‐fit line? d.What is the value of the coefficient of determination? e. According to the best-‐fit line, what should the density of pure water be (i.e. what is the density when % mass ethanol = 0.00)?A density bottle test on a sample of dry soil gave the following results:Mass of 50ml density bottle empty (g) = 25.07Mass of 50ml density bottle+20g of dry soil particles (g) = 45.07Mass of 50ml density bottle+20g of dry soil particles, with remainder of space in bottle filled with water (g) = 87.55Mass of 50ml density bottle filled with water only (g) = 75.10Calculate the relative density (specific gravity) of the soil particles. Round your answer to 2 decimal places.
- The mass of a beaker is 8.342 grams. After 3.00 mL of an organic liquid is pipetted into the beaker, the combined mass of the beaker and the organic liquid is 10.697 grams. From the data, what is the measured density of the organic liquid ?A student decided to undertake a balance calibration exercise during a lab session involving burette calibration. He found the apparent weight of calcium carbonate in air to be 100 grams and density to be 1.33g/mL. Assume that the standard steel weight used in the calibration has a density of 8.0g/mL and air has a density of 0.0012g/mL. What would be the true mass of the calcium carbonate sample?A total of 0.03295kg of zinc was placed into a graduated cylinder containing 50.0mL of water. By method of displacement, the water level rose to 54.6mL. Determine the density (g/mL) of the zinc.
- 2): The denisty of toluene is 0.855 g/ml. what volume og toluene would have a mass of 15.00g. show the detailed calculation and appropiate set-up wherein the density value is used as a conversion factor?At 20oC 25.0 ml of concentrated nitric acid solution was found to have a mass of 32.503 g. What is the calculated density of this solution at 20oC? Show your calculation set-up and result using correct significant figures and proper unitsYou wait an empty glass filter on the balance and record a way of 12.4361 g. After a 1.00 L sample of river water has been filtered and the filter has been dried for one week at 105°C, the dried filter and TSS weigh 13.682 g. What is the weight of the TSS? Make sure to give the answer in correct significant figures in with the correct units. Thank you!
- 1.) A dense plastic-like shape has a mass of 42.985 g and has a volume of 41.96 mL. What is the density of the substance? 2.) Another plastic-like piece has a mass of 65.389 grams and displaces 53.652 grams of water (measured at 24.6 ⁰C). Is this piece likely to be composed of the same material as the sample in problem 1? Explain using the Claim-Evidence-Reasoning process.Please answer and adhere to significant figures where it is applicable. Thank you very much for your assistance and alike is guaranteed.The mass of preheated crucible with cover was 12.1125 g. After the hydrate sample was added, the weight increased to 13.1533 g. After heating the crucible for three times in order to remove hydrate water and bring it to the constant weight the lowest of the three mass measurements was 12.9971 g. 1)What is the mass percent of water in the hydrate? Please report your answer with the correct number of significant figures but without "%" (Canvas will not let you to enter units in this problem). 2) What is the theoretical mass % of water in the hydrate if the salt is BaCl2 x 2H2O? Make sure you use enough significant figures for the atomic weights of the elements and round your answer to 3 decimals. 3) What is the mass of the hydrate placed in the crucible? 4) What is the mass of the anhydrous salt?