1.22) A one-step conversion is sufficient to convert a temperatüre in the Celsius scale to the Kelvin scale, but not to the Fahrenheit scale. Explain.

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter1: Matter And Measurements
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I don’t understand these three questions
38
Chapter 1· Keys to Studying Chemistry:
what
1.20 For each of the following cases, state whether the density
of the object increases, decreases, or remains the same:
(a) A sample of chlorine gas is compressed.
(b) A lead weight is carried up a high mountain.
(c) A sample of water is frozen.
(d) An iron bar is cooled.
(e) A diamond is submerged in water.
the w
(d =
1.39
with
489.
muc
1.21 Explain the difference between heat and temperature. Does
1 L of water at 65°F have more, less, or the same quantity of en-
ergy as 1 L of water at 65°C?
chlo
1.4C
wei
1.22 A one-step conversion is sufficient to convert a temperature
in the Celsius scale to the Kelvin scale, but not to the Fahrenheit
scale. Explain.
1.4-
4.2
1.23 Describe the difference between intensive and extensive
erties. Which of the following properties are intensive: (a) mass;
(b) density; (c) volume; (d) melting point?
prop-
1.4
(a)
(b
Skill-Building Exercises (grouped in similar pairs)
1.24 Write the conversion factor(s) for
(a) in? to m?
(c) mi/h to m/s
na
(c
(b) km? to cm?
(d) lb/ft to g/cm3
tu
1.25 Write the conversion factor(s) for
(a) cm/min to in/s
(c) m/s? to km/h²
(b) m³ to in
(d) gal/h to L/min
(a
(E
1.26 The average radius of a molecule of lysozyme, an enzyme in
tears, is 1430 pm. What is its radius in nanometers (nm)?
1.27 The radius of a barium atom is 2.22x10-10 m. What is its
radius in angstroms (A)?
1.28 What is the length in inches (in) of a 100.-m soccer field?
t
Ca
(c
1.29 The center on your school's basketball team is 6 ft 10 in tall.
How tall is the player in millimeters (mm)?
1.30 A small hole in the wing of a space shuttle requires a 20.7-cm2
patch. (a) What is the patch's area in square kilometers (km2)?
(b) If the patching material costs NASA $3.25/in", what is the cost
of the patch?
1.5
fev
Transcribed Image Text:38 Chapter 1· Keys to Studying Chemistry: what 1.20 For each of the following cases, state whether the density of the object increases, decreases, or remains the same: (a) A sample of chlorine gas is compressed. (b) A lead weight is carried up a high mountain. (c) A sample of water is frozen. (d) An iron bar is cooled. (e) A diamond is submerged in water. the w (d = 1.39 with 489. muc 1.21 Explain the difference between heat and temperature. Does 1 L of water at 65°F have more, less, or the same quantity of en- ergy as 1 L of water at 65°C? chlo 1.4C wei 1.22 A one-step conversion is sufficient to convert a temperature in the Celsius scale to the Kelvin scale, but not to the Fahrenheit scale. Explain. 1.4- 4.2 1.23 Describe the difference between intensive and extensive erties. Which of the following properties are intensive: (a) mass; (b) density; (c) volume; (d) melting point? prop- 1.4 (a) (b Skill-Building Exercises (grouped in similar pairs) 1.24 Write the conversion factor(s) for (a) in? to m? (c) mi/h to m/s na (c (b) km? to cm? (d) lb/ft to g/cm3 tu 1.25 Write the conversion factor(s) for (a) cm/min to in/s (c) m/s? to km/h² (b) m³ to in (d) gal/h to L/min (a (E 1.26 The average radius of a molecule of lysozyme, an enzyme in tears, is 1430 pm. What is its radius in nanometers (nm)? 1.27 The radius of a barium atom is 2.22x10-10 m. What is its radius in angstroms (A)? 1.28 What is the length in inches (in) of a 100.-m soccer field? t Ca (c 1.29 The center on your school's basketball team is 6 ft 10 in tall. How tall is the player in millimeters (mm)? 1.30 A small hole in the wing of a space shuttle requires a 20.7-cm2 patch. (a) What is the patch's area in square kilometers (km2)? (b) If the patching material costs NASA $3.25/in", what is the cost of the patch? 1.5 fev
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