laboratory workbook. 3. Then we determined the volume of the unknown solid by water displacement. We first filled a 100mL graduated cylinder about 1/3 of the way with water and we recorded the volume to the nearest 0.1mL. We carefully slid the unknown solid into the cylinder with water. We then recorded the new volume and subtracted the two recordings equaling the volume of the unknown. 4. We then calculate the density by dividing the mass by the volume. 5. We then remove the metal cylinder‚
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Density Lab- Nick Schlosser I. Overview- Finding the volume of regular shapes and irregular shapes using different methods like the water displacement method. Procedure- See data chart III. A.)With a ruler of calipers calculate volumes of regular and irregular objects- fill in chart. B.) Record data from another group to compare data for same object. Preliminary questions- 1. Explain how you propose we go about measuring the volume of sand(as sand has air around it. What is the water
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penny it must be first weighed on a scale. Find the average mass of multiple pennies from the same year. After weighing it find the volume by placing the pennies into a 50 ml beaker with 15 ml of water. Note the change in volume to obtain the volume of the pennies‚ obtain the average volume‚ and then calculate the density by dividing the mass of the penny by the volume. 2.) To keep measurements accurate and precise test multiple pennies from the same year and make sure to measure 10mls of water as
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Egg Buoyancy and Density: Can you make an egg float by changing the density of water? If you put an egg in tap water‚ it will sink to the bottom. If you add enough salt‚ the egg will float to the surface. Density is the mass or volume of an object. It’s easier to think of it as the thickness of the object. Buoyancy is the force that allows an object to float. I performed a fun experiment to see how increasing density of water could make an egg float or submerge. Anyone can do
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For pre-1982 pennies- Mass 10 pennies‚ record data. Fill a 100mL graduated cylinder to 40mL or enough to fully submerge the pennies with water‚ record the volume in data table. Carefully place the pennies into the graduated cylinder‚ record the final volume of the water in data table. To find the volume of the pennies‚ subtract the final volume from the initial‚ record the data. Repeat this procedure twice more. Use the density formula to calculate the density‚ and then calculate the accuracy and
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Lab Report: [Liquid Density] Your Name: ______________________________________________________________ 1 Purpose of this Lab What is the goal of this lab? What question are you trying to answer‚ or what problem are you trying to explain? | | |
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potato mass will increase as the water will move into the potato by osmosis causing it to expand. In tube B‚ C the potato will also increase in mass and volume but not as much as in tube A. In tube D we have a very concentrated solution so water will be drown out of the potato by osmosis causing it to shrink‚ i.e. decrease in mass and volume. Conclusion: Tube A= pure water: water moved into the potato cylinder by osmosis . It caused the potato to expand‚ as a result the mass
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Chapter 3 Surface Area‚ Volume‚ and Capacity 3.1 Surface Area of Prisms 3.2 Surface Area of Pyramids‚ Cylinders‚ Spheres‚ and Cones 3.3 Volume and Capacity of Prisms and Cylinders 3.4 Volume and Capacity Spheres‚ Cones‚ and Pyramids [pic] Name: _____________________________ 3.1 Surface Area of Prisms
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measurement of mass‚ length‚ volume‚ temperature‚ and density 2. Learning to identify and use tools provided within the labpaq kit 3. Becoming familiar with common lab tools used in Chemistry Observations: While participating in experiment 1‚ I was able to become familiar with my new lab kit. I observed how to weigh and measure objects as well as record those findings in an organized graph. Throughout the lab I was able to measure using a ruler‚ all the way to measuring volume. Data Table 1 – Length
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record the new water level. 7. Repeat Step 6 8. Repeat Step 6 until all 25 the pennies are dropped into the graduated cylinder and all the volumes are recorded. 9. Dry the pennies and store them or give them to the teacher. 10. Do the same with the other set of pennies. 11. Find the net volume of both set of pennies. (Subtract 20 mL from the total volume). 12. Enter all data into specific columns. Data and Observations: Data- 22mL-20mL = 2mL‚ 24mL-20mL = 4mL‚ 26mL-20mL = 6mL‚ 27.5mL- 20mL =
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