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Using the information that Nguyen collected, fill out the data table for the mass and volume of each rock. Then calculate the density of each rock, and write the answer to the nearest tenth in the density column of the data table. To calculate the density of a rock, divide its mass by its volume.
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Answers
Answer:
The volume of rock X is 8 mL
The volume of rock Y is 4 mL
The volume of rock Z is 10 mL
Explanation:
The density of the Halite rock sample is 3.28 g/[tex]cm^{3}[/tex] and the Density of the Pyrite rock sample is 3.1 g/[tex]cm^{3}[/tex]
How to calculate the densityThe density of the Halite rock sample- 16.4/5.0 = 3.28 g/[tex]cm^{3}[/tex]
Similarly, the density for the Pyrite rock sample can also be calculated
Density for Pyrite rock sample- 6.2/2.0 = 3.1 g/[tex]cm^{3}[/tex]
B) Given the rock shape is 1-2 inches in diameter. Hence, I would assume rock to be perfectly spherical (a 3-dimensional form of a circle). We know that the volume of the sphere is 4/3 πr³. Since the diameter of the rock particles can be found by the physical measurement process, hence the volume too of these rock particles too can be found.
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Related Questions
Nguyen tests the chemical composition of the rocks by adding three drops of a strong acid to each rock. He takes a photograph of each rock as the acid is added, and records his data in a table.
Does the acid behave the same way for each rock?
Answers
The acid does not behave the same way for each rock.
Why does different rocks react to an acid in different ways?Because of their various compositions, different rocks respond to acids in different ways. While some minerals in some rocks are more resistant to acid than others, acid can more readily dissolve some minerals in other rocks.
For instance, while granite is composed of a variety of minerals, some of which are more acid-resistant than others, limestone is primarily composed of calcium carbonate, which reacts strongly with acid.
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1. The minerals that make up rocks give them their unique properties. Based on Nguyen's results, do you think that any of the three rocks have the exact same mineral makeup, or are they three different types of rock?
Explain your answer.
2. Mark and Amanda conduct the same investigation as Nguyen, but they use four rocks. They test the same three rocks as Nguyen but add one more rock that has the same color and density as limestone. However, the rock doesn't produce bubbles when acid is added to it. Explain how the mineral composition of this rock compares with that of limestone.
3. A group of scientists comes across a rock that they can’t identify. They believe it’s made up of a certain type of mineral. Explain how the techniques used in Nguyen's experiment can help scientists identify the mineral that the rock contains.
Answers
Based on Nguyen's experiment, it is improbable that the three rocks have the same not organic makeup cause the acid test created different results.
What was the result?Rock 1 presented bubbles, indicating the closeness of calcite, while rock 2 and 3 did not. This desires that the three rocks are different types accompanying varying, not organic compositions.
The addition of a fourth rock that is to say similar in color and bulk to limestone but does not produce bubbles when acid is additional suggests that it has a various mineral arrangement from limestone.
Techniques secondhand in Nguyen's experiment, such as the critical test, streak test, and analysis of bulk and color, can help chemists identify the not organic composition of a rock and decide its type.
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2. The rock that has the same color and density as limestone but does not produce bubbles when acid is added to it is likely not made up of the same mineral as limestone. Limestone is primarily composed of calcium carbonate, which reacts with acid to produce carbon dioxide gas. The fact that the fourth rock did not produce bubbles when acid was added to it suggests that it does not contain calcium carbonate. This could mean that it is made up of a different mineral or a different form of calcium carbonate that does not react with acid.
3. The techniques used in Nguyen's experiment can help scientists identify the mineral that the rock contains by providing clues about its physical and chemical properties. For example, the color, texture, and density of the rock can provide information about the types of minerals it may contain. The acid test can help identify minerals that react with acid, such as calcite, while the magnet test can help identify minerals that are magnetic, such as magnetite. By using a combination of these tests, scientists can narrow down the possible minerals that the rock contains and make an educated guess about its identity. However, additional tests, such as X-ray diffraction or spectroscopy, may be needed to confirm the mineral composition of the rock.
Nguyen uses a graduated cylinder to find the volume of each rock. Determine the initial volume of water in the graduated cylinder. Then determine the final volume in the graduated cylinder for rocks X, Y, and Z.
Fill in the data table, and calculate the volume of each rock.
Answers
Answer: The initial water was 30ml so what you do is subtract 30 from the amount of the other beakers to get the volume of the rock.
Explanation:
X- 38ml-30ml= 8
Y- 35ml-30ml=5
z- 40ml-30ml=10
Answer:
X: 38ml - 30ml = 8
Y: 35ml - 30ml = 5
Z: 40ml - 30ml = 10
Explanation:
The original amount of water was 30ml. Therefore, you should subtract 30 from the amount of the beakers Rock X, Y, and Z. Then you will get the volume of the rock.
