A student was performing a density experiment in chemistry lab. He used his 10.0 mL volumetric pipet to measure an unknown liquid sample into a tared beaker on the balance. Here is his data: Trial Mass (g) 1 10.123 2 10.321 3 10.231 Calculate the average density (3 s.f.) in (g/mL) of his unknown liquid. Average density (g/mL) =

A student was performing a density experiment in chemistry lab. He used his 10.0 mL volumetric pipet to measure an unknown liquid sample into a tared beaker on the balance. Here is his data: Trial Mass (g) 1 10.123 2 10.321 3 10.231 Calculate the average density (3 s.f.) in (g/mL) of his unknown liquid. Average density (g/mL) =

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...

See similar textbooks

Similar questions

Title: Determination of the density of water Purpose: Determine the density of water Procedure: type the steps one by one in short sentences Data/Results (use these data) beaker one beaker two beaker three empty beaker mass (g) 54.5678 55.7768 60.3322 beaker +water mass(g) 64.3678 65.6768 70.1322 Volume of water (ml) 10.00 10.00 10.00 density of water (g/ml) average Conclusion The density of water is______g/ml
= 1 = 2 = 3 Continue Cube's Mass Edge Length 72.576 g 1.72 cm 4 Percent error = 0% X 5 090 6 cm A student experimentally determines the density of a metal cube. The edge length of the cube is measured using calipers. The cube's true density is 12.30 Use the student's collected data below and calculate the percent error for the measurement. Be sure your answer has the correct number of significant digits. Student's Collected Data: S 7 8 9 MacBook Air 8 10 F7 g DII F8 F9 3. olo Submit Assignr 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Acc Ar ALL F10 W
3. Give the result of the following calculation to the correct number of significant figures. Express your answer in standard scientific notation: (13.5467)(9.81)(14.30)/(33.102 – 12.671)(1.548 X 10-5)/(5.67 X 108)
Specific gravity is important for diagnosing various health conditions, such as dehydration. The normal specific gravity falls between 1.002 - 1.030. Mild dehydration is indicative from specific gravity that is greater than 1.010 and the higher the value the more dehydrated one may be. A 25 year old female patient wastaken to the hospital with symptoms of extreme thirst, fatigue, and headaches. An 0.0077 liter urine sample was taken for the patient described above. The sample had a mass of 8.05 grams.
10) Solve each problem and report your answer to correct significant figure and units. Remember that units multiply, divide, add, subtract and simplify just like variables. ml 65.0 kg + 0.05 kg + 179.1 kg = 17 g x 1.08 175 cm - 22.5 cm = 9.20 g/ (1.72 cm³ + 21 cm³) = ot avlo2a 3.23 x 10=23 ma (23.0 lb/gal)(2 ft) = (2.1 x 10-10 cm)3 to 1edmun sdi enimale0 (2.23 x 103 g)(9.0 × 10-3 g) (3.1 x 104 nm²)1/2 = Jmy to. 10.1 x 10-7 s2
answer in proper number of significant figures. 1. Convert 6.4 decades to seconds. 10 years)x(30 (24 hours 60 minuies 60 seconds I minatte 6.4 decades x 305 dags I decade I year I dag 1 hour 2. Convert 71.0 Pa to dyne/cm?. 3. It was found out that 2.0 kg of sucrose can dissolve per liter of water at 25°C. How many tablespoons of water is needed to dissolve 54 g of sucrose?
A general chemistry student found a chunk of metal in the basement of a friend's house. To figure class about density. First he measured the mass of the metal to be 133.2 grams. Then he dropped the metal into a mea water. Calculate the density of the metal. Density: g/mL Use the table below to decide the identity of the metal. This metal is most likely Densities of Some Common Substances
Convert 6.75 g/L to lb/in3. Give your answer in scientific notation (e. g. 1.23E4 instead of 12340). 1 lb = 453.59 g Question 8 Convert 0.00 K to °C and °F. Give your answers to the correct number of sig. figs. KC+273.15 °F (9/5)(°C) + 32 T = T = Question 9 °C 1 in 2.54 cm °F Convert 322 °F to °C and K. Give your answers to the correct number of sig. figs. K= °C + 273.15 °C (5/9)(°F-32)
What is the volume (in mL) of (6.23x10^0) kg of a liquid that has a density of (1.1000x10^0) g/mL? Enter your answer in scientific notation with 3 sig figs. Do not include any units in your answer. Do not round any intermediate calculations. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer:
Carry out the following operations as if they were calculations fromexperimental data and express each answer in the correct units and with thecorrect number of significant figures.a. 5.6792 m + 0.6 m + 4.33 m =b. 3.70 g - 2.9133 g =c. 4.51 cm X 3.6666 cm =d. (22.4 g + 102.7 g + 0.005 g) / 5.478 ml =
Water hardness is expressed as parts per million calcium carbonate. If there are 850 ppm of calcium carbonate in well water, how many grams of calcium carbonate are in 16.2kg of water? Answer with 2 significant figures and do not put units in the answer box (they are g). Show your calculation on your submitted work.
significant figures and units. 3. Perform the following calculations and report the answer with the correct number of A. (9.2030 g)(0.00230 g) + 0.1020 g² = 00²0211237 0.10205² 0.123292 B. 234.020 g- 184.08 g 382.402 mL-326.322 mL (1 fl oz = 29.6 mL) 4. An aluminum beverage can contains 12.0 fluid ounces of liquid. Express this volume in liters. 12. uffaz X 560 080ML 49.949 = 0.8905g/mL CHE 1011 29.6mL = 355.2 mL Ift:0² (1 in = 2.54 cm) 5. What is the volume, in cubic centimeters, of a brick that is 4.0 in x 2.7 in × 8.0 in? 4.0A x 2,54 cm = 10.16cm liAcc 207 + x 2.54cm = 60858cm هذا 8.0MAX 2.54cm ITA 20032cm So volume 20.32cm x 6.858cm x 200320 1415.84 cm³ 6. The S.I. unit of energy is the joule, J (1 J = 1 kgom²/s²). Another energy unit, the erg, was once in widespread use (1 erg = 1 gocm²/s²). Calculate the number of ergs in 1.0 J. Page 2 of 2