Water (D 1.00 g/mL) luminum (D = 2.70 g/mL) FIGURE 2 water are r Lead (D objects th 11.3 g/mL)- and a old and silver have higher em, the den g/cm) or densities, whereas gases have low densities. In the metric sys- sities of solids and liquids are usually expressed as grams per cubic centimeter grams per mililiter (g/ml.). The densities of gases are usually stated as grams er liter (g/L) TABLE 2.8 gives the densities of some common substances. ABLE 2.8 Densities of Some Common Substances Solids (at 25 °C) Density Density (g/mL) Gases (at 0 °C) Hydrogen Helium Methane Neon Density Liquids (g/mL) (at 25 °C) 0.26 Gasoline 0.090 0.179 0.714 0.902 Body fat Ice (at 0 °C) Muscle Sugar Bone Salt (NaCI) Aluminum 0.909 0.92 1.06 1.59 Ethanol Olive oil Water (at 4 °C) Urine Plasma (blood) Milk Blood Mercury 0.92 1.00 1.003-1.030 Nitrogen 1.03 2.16 2.70 ir Oxygen Carbon dioxide 1.06 1.96 Copper 19 Gold Calculating Density We can calculate the density of a substance from its mass and volume as shown in Sample Problem 2.11. SAMPLE PROBLEM 2.11 Calculating Density TRY IT FIRST tein (HDL) is a type of cholesterol, sometimes called "good choles- ured in a routine blood test. If a 0.258-g sample of HDL has a volume 0.215 mL what is the densitraser i, of the HDL sample?

Question

I’m having trouble with a homework problem.

A graduated cylinder contains 155mL of water. A 15.0-g piece of iron and a 20.0-g piece of lead are added. What is the new water level, in milliliter, in the cylinder (see Table 2.8)?

Water (D 1.00 g/mL)
luminum (D = 2.70 g/mL)
FIGURE 2
water are r
Lead (D
objects th
11.3 g/mL)-
and a
old
and silver have higher
em, the den
g/cm) or
densities, whereas gases have low densities. In the metric sys-
sities of solids and liquids are usually expressed as grams per cubic centimeter
grams per mililiter (g/ml.). The densities of gases are usually stated as grams
er liter (g/L) TABLE 2.8 gives the densities of some common substances.
ABLE 2.8 Densities of Some Common Substances
Solids
(at 25 °C)
Density
Density
(g/mL)
Gases
(at 0 °C)
Hydrogen
Helium
Methane
Neon
Density Liquids
(g/mL) (at 25 °C)
0.26 Gasoline
0.090
0.179
0.714
0.902
Body fat
Ice (at 0 °C)
Muscle
Sugar
Bone
Salt (NaCI)
Aluminum
0.909
0.92
1.06
1.59
Ethanol
Olive oil
Water (at 4 °C)
Urine
Plasma (blood)
Milk
Blood
Mercury
0.92
1.00
1.003-1.030 Nitrogen
1.03
2.16
2.70
ir
Oxygen
Carbon dioxide
1.06
1.96
Copper
19
Gold
Calculating Density
We can calculate the density of a substance from its mass and volume as shown in
Sample Problem 2.11.
SAMPLE PROBLEM 2.11 Calculating Density
TRY IT FIRST
tein (HDL) is a type of cholesterol, sometimes called "good choles-
ured in a routine blood test. If a 0.258-g sample of HDL has a volume
0.215 mL what is the densitraser i, of the HDL sample?
Expand
Transcribed Image Text

Water (D 1.00 g/mL) luminum (D = 2.70 g/mL) FIGURE 2 water are r Lead (D objects th 11.3 g/mL)- and a old and silver have higher em, the den g/cm) or densities, whereas gases have low densities. In the metric sys- sities of solids and liquids are usually expressed as grams per cubic centimeter grams per mililiter (g/ml.). The densities of gases are usually stated as grams er liter (g/L) TABLE 2.8 gives the densities of some common substances. ABLE 2.8 Densities of Some Common Substances Solids (at 25 °C) Density Density (g/mL) Gases (at 0 °C) Hydrogen Helium Methane Neon Density Liquids (g/mL) (at 25 °C) 0.26 Gasoline 0.090 0.179 0.714 0.902 Body fat Ice (at 0 °C) Muscle Sugar Bone Salt (NaCI) Aluminum 0.909 0.92 1.06 1.59 Ethanol Olive oil Water (at 4 °C) Urine Plasma (blood) Milk Blood Mercury 0.92 1.00 1.003-1.030 Nitrogen 1.03 2.16 2.70 ir Oxygen Carbon dioxide 1.06 1.96 Copper 19 Gold Calculating Density We can calculate the density of a substance from its mass and volume as shown in Sample Problem 2.11. SAMPLE PROBLEM 2.11 Calculating Density TRY IT FIRST tein (HDL) is a type of cholesterol, sometimes called "good choles- ured in a routine blood test. If a 0.258-g sample of HDL has a volume 0.215 mL what is the densitraser i, of the HDL sample?

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