1.66 Carry out each calculation, paying special attention to sig- nificant figures, rounding, and units (J = joule, the SI unit of en- ergy; mol = mole, the SI unit for amount of substance): (6.626x10-34 J .s)(2.9979x10° m/s) (a) 489x10- m (6.022x1023 molecules/mol)(1.23x10° g) (b) 46.07 g/mol 1 (c) (6.022x1023 atoms/mol)(1.28x10-18 J/atom) .2 where the numbers 2 and 3 in the last term are exact 32
1.66 Carry out each calculation, paying special attention to sig- nificant figures, rounding, and units (J = joule, the SI unit of en- ergy; mol = mole, the SI unit for amount of substance): (6.626x10-34 J .s)(2.9979x10° m/s) (a) 489x10- m (6.022x1023 molecules/mol)(1.23x10° g) (b) 46.07 g/mol 1 (c) (6.022x1023 atoms/mol)(1.28x10-18 J/atom) .2 where the numbers 2 and 3 in the last term are exact 32
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
Related questions
Question
100%
I don’t understand these two questions.(66 and 67)
![eters of
d from
Es 66%
nder =
1.62 Write the following numbers in standard notation. Use a ter-
minal decimal point when needed.
(a) 5.55x10°; (b) 1.0070×10“; (c) 8.85×10-7; (d) 3.004x10-3.
1.63 Write the following numbers in standard notation. Use a ter-
minal decimal point when needed.
(a) 6.500x10°; (b) 3.46x10-8; (c) 7.5×10²; (d) 1.8856×10².
1.64 Convert the following into correct scientific notation:
(a) 802.5x102; (b) 1009.8×10-6; (c) 0.077x10-9.
eated
1.65 Convert the following into correct scientific notation:
(a) 14.3x10'; (b) 851x10-; (c) 7500x10-3.
mea-
cali-
ain.
ck's
1.66 Carry out each calculation, paying special attention to sig-
nificant figures, rounding, and units (J = joule, the SI unit of en-
ergy; mol = mole, the SI unit for amount of substance):
(6.626x10-34 J .s)(2.9979×10® m/s)
%3D
ures
(a)
489x10 m
ple
ws-
(6.022x1023 molecules/mol) (1.23x10 g)
(b)
this
uld
(c) (6.022x1023 atoms/mol)(1.28x10-18
46.07 g/mol
J/atom)
where the numbers 2 and 3 in the last term are exact
1.67 Carry out each calculation, paying special attention to sig-
nificant figures, rounding, and units:
4.32x10' g
(The term is exact.)
(a)
(3.1416)(1.95x10 cm)³
(1.84x10° g)(44.7 m/s)?
(b)
i-
(The term 2 is exact.)
2
(1.07x10 mol/L)²(3.8×10-³ mol/L)
(c)
(8.35x10 mol/L)(1.48×10-² mol/L)
1.68 Which statements include exact numbers?
(a) Angel Falls is 3212 ft high.
(b) There are 8 known planets in the Solar System.
e](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F878f7b50-6050-483a-af47-6a6f18eb659f%2F447f1824-51c7-424f-9f44-0dee1a2c953f%2F8fhwxeg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:eters of
d from
Es 66%
nder =
1.62 Write the following numbers in standard notation. Use a ter-
minal decimal point when needed.
(a) 5.55x10°; (b) 1.0070×10“; (c) 8.85×10-7; (d) 3.004x10-3.
1.63 Write the following numbers in standard notation. Use a ter-
minal decimal point when needed.
(a) 6.500x10°; (b) 3.46x10-8; (c) 7.5×10²; (d) 1.8856×10².
1.64 Convert the following into correct scientific notation:
(a) 802.5x102; (b) 1009.8×10-6; (c) 0.077x10-9.
eated
1.65 Convert the following into correct scientific notation:
(a) 14.3x10'; (b) 851x10-; (c) 7500x10-3.
mea-
cali-
ain.
ck's
1.66 Carry out each calculation, paying special attention to sig-
nificant figures, rounding, and units (J = joule, the SI unit of en-
ergy; mol = mole, the SI unit for amount of substance):
(6.626x10-34 J .s)(2.9979×10® m/s)
%3D
ures
(a)
489x10 m
ple
ws-
(6.022x1023 molecules/mol) (1.23x10 g)
(b)
this
uld
(c) (6.022x1023 atoms/mol)(1.28x10-18
46.07 g/mol
J/atom)
where the numbers 2 and 3 in the last term are exact
1.67 Carry out each calculation, paying special attention to sig-
nificant figures, rounding, and units:
4.32x10' g
(The term is exact.)
(a)
(3.1416)(1.95x10 cm)³
(1.84x10° g)(44.7 m/s)?
(b)
i-
(The term 2 is exact.)
2
(1.07x10 mol/L)²(3.8×10-³ mol/L)
(c)
(8.35x10 mol/L)(1.48×10-² mol/L)
1.68 Which statements include exact numbers?
(a) Angel Falls is 3212 ft high.
(b) There are 8 known planets in the Solar System.
e
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