1.43 Perform the following conversions: (a) 106°F (the body temperature of many birds) to K and °C (b) 3410°C (the melting point of tungsten, the highest for any metallic element) to K and °F (c) 6.1x10° K (the surface temperature of the Sun) to °F and °C - in
1.43 Perform the following conversions: (a) 106°F (the body temperature of many birds) to K and °C (b) 3410°C (the melting point of tungsten, the highest for any metallic element) to K and °F (c) 6.1x10° K (the surface temperature of the Sun) to °F and °C - in
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter1: Matter, Energy, And Measurement
Section: Chapter Questions
Problem 1.86P: 1-86 The specific heats of some elements at 25oC are as follows: aluminum = 0.215 cal/g · oC; carbon...
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Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
Question
43..... Only please..
Transcribed Image Text:1.42 Perform the following conversions:
(a) 68°F (a pleasant spring day) to °C and K
(b) -164°C (the boiling point of methane, the main component of
natural gas) to K and °F
(c) 0 K (absolute zero, theoretically the coldest possible tempera-
ture) to °C and °F
mass;
1.43 Perform the following conversions:
(a) 106°F (the body temperature of many birds) to K and °C
(b) 3410°C (the melting point of tungsten, the highest for any
metallic element) to K and °F
(c) 6.1x10° K (the surface temperature of the Sun) to °F and °C
yme in
Problems in Context
at is its
1.44 A 25.0-g sample of each of three unknown metals is added to
25.0 mL of water in graduated cylinders A, B, and C, and the final
volumes are depicted in the circles below. Given their densities, iden-
tify the metal in each cylinder: zinc (7.14 g/mL), iron (7.87 g/mL), or
nickel (8.91 g/mL).
Geld?
D in tall.
20.7-cm?
s (km)?
s the cost
30-
30-
-30-
25-
25-
-25-
is the area
to polish
lens?
B
A
1.45 The distance between two adjacent peaks on a wave is called
the wavelength.
(a) The wavelength of a beam of ultraviolet light is 247 nano-
meters (nm). What is its wavelength in meters?
(b) The wavelength of a beam of red light is 6760 pm. What is its
wavelength in angstroms (A)?
1.46 Each of the beakers depicted below contains two liquids that
= atmosphere
gen are pres-
What is its den-
Three
w.
m/s. VWhat is its
A.B. and C.and w ater is
or the following densities is possi-
86 g/mL, 0.94 g/mL, or 1.2 g/mlL?
high and 0.85 cm in diameter is
ow many cubic decimeters (dm')
der = arh)?
u gmL, and
4.8 g
(b)
16.1 ml-8.44 ml.
(c) V=xrh, where r 6.23 cm and h=4.630 cm
1.60 Write the following numbers in scientific notation:
(a) 131,000.0; (b) 0.00047; (c) 210,006; (d) 2160.5.
1.61 Write the following numbers in scientific notation:
(a) 282.0; (b) 0.0380; (c) 4270.8; (d) 58,200.9.
in wires. How many meters of
10- in) can be produced from
an ore of copper that is 66%
as a cylinder: V of cylinder=
1.62 Write the following numbers in standard notation. Use a ter-
minal decimal point when needed.
(a) 5.55x10'; (b) 1.0070x10*; (c) 8.85×10-"; (d) 3.004x10-³.
1.63 Write the following numbers in standard notation. Use a ter-
minal decimal point when needed.
(a) 6.500x103. (h) 3 46x10-5, ) 0
icant Figures
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