Senior High School students discover a vaccine that helps to cure the Covid19 virus. The President gave a prestigious award to each student an honoring coin that is 3 in diameter to be plated with 20 mg of gold. if the density of gold is 19.3 g/cc, and the amount of gold around the edge of the coin can be ignored, what is the thickness of the gold on the top and bottom faces of the coin?

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A: Given: Mass of the foil = 0.557 g Length of the foil= 9.85 cm Width of the foil=10.10 cm

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A: 1. As 1 light year =3.725×1017 inches

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A: Answer: Relation between Mass, volume and density of a substance is: d=MV

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Q: Heptane and water do not mix, and heptane has a lower density (0.684 g/mL) than water (1.00 g/mL). A…

A:

Q: Question attached

A: Density of a substance is equal to the mass of the substance divided by its volume.

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Q: Heptane and water do not mix, and heptane has a lower density (0.684 g/mL) than water (1.00 g/mL). A…

A:

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A: Considered the cube, having the length of each side is l. So, the cube volume is equal to l3.

Q: A chemist is trying to identify an unknown metal, and finds that 25.0 cm³ of the substance has a…

A: Density = Mass/volume mass = density *volume

Q: Heptane and water do not mix, and heptane has a lower density (0.684 g/mL) than water (1.00 g/mL). A…

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A: the volume of a cube is given by, V=πr2hr is radius of cylinderh is height of the cylinderHere the…

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A: Given, The length of the aluminum foil is 27.94 cm.Width of the aluminum foil is 22.86 cm.Thickness…

Q: Heptane and water do not mix, and heptane has a lower density (0.684 g/mL) than water (1.00 g/mL). A…

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