Three liquids with different densities are given in the table below. Draw a pict

Question

Three liquids with different densities are given in the table below. Draw a picture of how the liquids would stack if poured into a test tube. If a piece of chestnut wood (d = 0.45 g/cm^3), a piece of silver (d = 10.49 g/cm^3), and an ice cube (d = 0.92 g/cm^3) were added to the test tube, where would each sit? Add them to your drawing. Hypothermia occurs when body temperature drops very low. Mild hypothermia can lead to dizziness, trouble speaking, and lack of coordination (among other symptoms), while severe hypothermia can lead to slow breathing, w eak pulse, loss of consciousness, and even death. Normal body temperature is considered to be 98.6 degreeF. What is the temperature in degreeC? K? Hypothermia is defined as when body temperature drops below 35 degreeC. What is this temperature in degreeF? K? A sample of copper has a mass of 2.45 mg and a volume of 2.733timesl0^-4 cm^3. Calculate the density of copper in g/in^3.

Explanation / Answer

(11)

(a). From top to bottom---> rubbing alcohol, brine, chloroform

(b) From top to bottom----> Chestnut wood, rubbing alcohol, ice cube, brine, chloroform, silver

(12) Degree C = (degree F - 32 ) / 1.8 and K = degree C + 273.15

(a) Degree C = (98.6 - 32) / 1.8 = 37 degree C and K = 37 + 273.15 = 310.15 K

(b) Degree F = (degree C X 1.8) + 32 = (35 X 1.8) + 32 = 95 degree F

and K = 35 + 273.15 = 308.15 K

(13) 2.733 X 10-4 c.c = 1.668 X 10 -5 in3 and 2.45 mg = 2.45 X 10-3 g

Therefore, density = mass / volume

d = (2.45 X 10-3) / (1.668 X 10-5)

d = 146.9 g/ in3

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