(a) Interpretation: The given number should be converted into standard scientific notation. 102.3 × 10 − 5 Concept Introduction: Scientific notation for a number is written in such a way that large numbers are written in small decimal form which is then multiplied by the power of 10. For numbers less than 1, the power of 10 in scientific notation has negative exponent and for numbers greater than 1, the power is either zero or has positive exponent.
(a) Interpretation: The given number should be converted into standard scientific notation. 102.3 × 10 − 5 Concept Introduction: Scientific notation for a number is written in such a way that large numbers are written in small decimal form which is then multiplied by the power of 10. For numbers less than 1, the power of 10 in scientific notation has negative exponent and for numbers greater than 1, the power is either zero or has positive exponent.
The given number should be converted into standard scientific notation.
102.3×10−5
Concept Introduction:
Scientific notation for a number is written in such a way that large numbers are written in small decimal form which is then multiplied by the power of 10.
For numbers less than 1, the power of 10 in scientific notation has negative exponent and for numbers greater than 1, the power is either zero or has positive exponent.
Expert Solution
Answer to Problem 121AP
1.023×10−2.
Explanation of Solution
The given number is 102.3×10−5, to write it in scientific notation, decimal is placed after first non-zero digit. After placing the decimal, there will be three digits after the decimal thus, power of 10 will be increased by + 3 and scientific notation will be 1.023×10−2 (-5+3 = -2).
Interpretation Introduction
(b)
Interpretation:
The given number should be converted into standard scientific notation.
32.03×10−3
Concept Introduction:
Scientific notation for a number is written in such a way that large numbers are written in small decimal form which is then multiplied by the power of 10.
For numbers less than 1, the power of 10 in scientific notation has negative exponent and for numbers greater than 1, the power is either zero or has positive exponent.
Expert Solution
Answer to Problem 121AP
3.203.
Explanation of Solution
The given number is 32.03×10−3, to write it in scientific notation, decimal is placed after first non-zero digit. After placing the decimal, thus, three units are added to the power of 10. The power of 10 becomes + 3 and scientific notation will be 3.203 as power of 10 is -3 and after placing the decimal then + 3 is added to the power of 10, thus power of 10 is equal to 0. Hence, 3.203 is the standard scientific notation.
Interpretation Introduction
(c)
Interpretation:
The given number should be converted into standard scientific notation.
59933×102
Concept Introduction:
Scientific notation for a number is written in such a way that large numbers are written in small decimal form which is then multiplied by the power of 10.
For numbers less than 1, the power of 10 in scientific notation has negative exponent and for numbers greater than 1, the power is either zero or has positive exponent.
Expert Solution
Answer to Problem 121AP
5.9933×106.
Explanation of Solution
The given number is 59933×102, to write it in scientific notation, decimal is placed after first non-zero digit. Thus, after placing the decimal, there will be four digits after the decimal, thus, power of 10 will be increased by four units, and overall power of 10 will be + 2+4 = 6. Thus, standard scientific notation is 5.9933×106.
Interpretation Introduction
(d)
Interpretation:
The given number should be converted into standard scientific notation.
599.33×104
Concept Introduction:
Scientific notation for a number is written in such a way that large numbers are written in small decimal form which is then multiplied by the power of 10.
For numbers less than 1, the power of 10 in scientific notation has negative exponent and for numbers greater than 1, the power is either zero or has positive exponent.
Expert Solution
Answer to Problem 121AP
5.9933×108.
Explanation of Solution
The given number is 599.33×104, to write it in scientific notation, decimal is placed after first non-zero digit. Thus, after placing the decimal, there will be four digits after the decimal, thus, power of 10 will be increased by four units, and overall power of 10 will be + 4+4 = 8. Thus, standard scientific notation is 5.9933×108.
Interpretation Introduction
(e)
Interpretation:
The given number should be converted into standard scientific notation.
5993.3×103
Concept Introduction:
Scientific notation for a number is written in such a way that large numbers are written in small decimal form which is then multiplied by the power of 10.
For numbers less than 1, the power of 10 in scientific notation has negative exponent and for numbers greater than 1, the power is either zero or has positive exponent.
Expert Solution
Answer to Problem 121AP
5.9933×107.
Explanation of Solution
The given number is 5993.3×103, to write it in scientific notation, decimal is placed after first non-zero digit. Thus, after placing the decimal, there will be four digits after the decimal, thus, power of 10 will be increased by four units, and overall power of 10 will be + 3+4 = 7. Thus, standard scientific notation is 5.9933×107.
Interpretation Introduction
(f)
Interpretation:
The given number should be converted into standard scientific notation.
2054×10−1
Concept Introduction:
Scientific notation for a number is written in such a way that large numbers are written in small decimal form which is then multiplied by the power of 10.
For numbers less than 1, the power of 10 in scientific notation has negative exponent and for numbers greater than 1, the power is either zero or has positive exponent.
Expert Solution
Answer to Problem 121AP
2.054×102.
Explanation of Solution
The given number is 2054×10−1, to write it in scientific notation, decimal is placed after first non-zero digit. After placing the decimal, there will be three digits after the decimal thus, power of 10 will be + 3 and thus, overall power of 10 will be + 3-1=+2. Hence, standard scientific notation is 2.054×102.
Interpretation Introduction
(g)
Interpretation:
The given number should be converted into standard scientific notation.
32, 000, 000×10−6
Concept Introduction:
Scientific notation for a number is written in such a way that large numbers are written in small decimal form which is then multiplied by the power of 10.
For numbers less than 1, the power of 10 in scientific notation has negative exponent and for numbers greater than 1, the power is either zero or has positive exponent.
Expert Solution
Answer to Problem 121AP
3.2×101.
Explanation of Solution
The given number is 32, 000, 000×10−6, to write it in scientific notation, decimal is placed after first non-zero digit. After placing the decimal, there will be seven digits after the decimal thus, power of 10 will be + 7 and thus, overall power of 10 will be + 7-6=+1. Hence, standard scientific notation is 3.2×101.
Interpretation Introduction
(h)
Interpretation:
The given number should be converted into standard scientific notation.
59.933×105
Concept Introduction:
Scientific notation for a number is written in such a way that large numbers are written in small decimal form which is then multiplied by the power of 10.
For numbers less than 1, the power of 10 in scientific notation has negative exponent and for numbers greater than 1, the power is either zero or has positive exponent.
Expert Solution
Answer to Problem 121AP
5.9933×109.
Explanation of Solution
The given number is 59.933×105, to write it in scientific notation, decimal is placed after first non-zero digit. Thus, after placing the decimal, there will be four digits after the decimal, thus, power of 10 will be increased by four units, and overall power of 10 will be + 4+5 = 9. Thus, standard scientific notation is 5.9933×109.
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MISSED THIS? Read Section 19.9 (Pages 878-881); Watch IWE 19.10
Consider the following reaction:
CH3OH(g)
CO(g) + 2H2(g)
(Note that AG,CH3OH(g) = -162.3 kJ/mol and AG,co(g)=-137.2 kJ/mol.)
Part A
Calculate AG for this reaction at 25 °C under the following conditions:
PCH₂OH
Pco
PH2
0.815 atm
=
0.140 atm
0.170 atm
Express your answer in kilojoules to three significant figures.
Ο ΑΣΦ
AG = -150
Submit
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□?
kJ
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Calculate the free energy change under nonstandard conditions (AGrxn) by using the following relationship:
AGrxn = AGrxn + RTInQ,
AGxn+RTInQ,
where AGxn is the standard free energy change, R is the ideal gas constant, T is the temperature in kelvins, a
is the reaction quotient.
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