15. You are calibrating a buret that is graduated to 0.1 mL. The measured volume delivered is 10.88 mLat 24.000°C. The calculated actual volume based on the mass of water is 10.859 mL. IMPORTANT: Theactual volume is reported to 2 decimal places since the buret volume is reported to 1/100 of a mL. Theburet error (mL) is:-0.020.02-0.0210.021

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Answered: 15. You are calibrating a buret that is…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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The following volumes of 0.000300 M SCN are diluted to 15.00 mL. Determine the concentration of SCN in each sample after dilution. These values will be used during the experiment. To enter exponential values, use the format 1.0e-5. Sample 0.000300 M SCN (mL) [SCN'] (M) 1 1.50 3.50 7.00 4 10.00 3.
1.A student performed an experiment to find the number of water molecules associated with the CuSO, x H2O, and obtained the following data. Using the data given, find the number of water molecules associated with CuSO, x H2O, and also find out the percentage of water in the hydrate. Trial-1 1.Mass of empty micro-crucible (grams) 16.3564 2.Mass of micro-crucible + 18.3709 hydrate (grams) 3.Mass of hydrate(grams) 4.Mass of micro-crucible + 17.6372 anhydrate (grams) 5.Mass of anhydrate (grams) 6.Mass of water (grams) 7.Percent composition of water 8.Moles of anhydrate 9.Moles of water 10. Formula of hydrated compound.(CUSO4 x H,O)
The mystery fuel speedster! (Homework ) For fun, you build an explosive car with your little brother by attaching wheels to an empty windshield washer container. To advance it, you add 1.20 ml ( = 0.7915 g/ml) of a liquid but volatile fuel into the container. You close the cap and shake to evaporate the liquid. Finally, you place the car on its wheels, remove the cap and insert a burning wooden rod into the container. A flame suddenly comes out of the car, which is propelled with good speed in front of your little brother surprised, but all upset by the maneuver. The volatile fuel is composed of 37.5% carbon, 12.6% hydrogen and 49.9% oxygen. Its molar mass is approximately 32.0 g/mol. During the reaction, the fuel (gaseous) burns in the presence of gaseous oxygen, and the products of the reaction are carbon dioxide and water, gaseous too. The volume of the windshield washer container used is 4.00 litres. Useful Info: There is 21.0% gaseous oxygen in the air and initial conditions…
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You rent a Peugeot in Sarlot France to go see chateau Baynac. Its gas rating is 17.2 km/L. Convert this to miles per gallon using the following conversions; 1 L = 1.06 qts, 4 qts = 1 gal, 1 mile = 1.609 km. (report answer, a space, then units, miles/gallon)
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- 1 A certain liquid X has a normal boiling point of 95.40 °C and a boiling point elevation constant K,=0.75 °C•kg•mol A solution is prepared by dissolving some zinc chloride (ZNCI,) in 400. g of X. This solution boils at 96.5 °C. Calculate the mass of ZnCl, that was dissolved. Round your answer to 2 significant digits. olo Ar x10 ?

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