Q8. The correct set of quantum numbers (n, 1, m, m.) for an electron in a 5f orbital A. (4, 2, 1, 1/2) B. (5, 2, 3, 1/2) C. (5, 2, 0, 1/2) D. (5, 3,-1,-1/2)
Q8. The correct set of quantum numbers (n, 1, m, m.) for an electron in a 5f orbital A. (4, 2, 1, 1/2) B. (5, 2, 3, 1/2) C. (5, 2, 0, 1/2) D. (5, 3,-1,-1/2)
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...
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Question
Q 8 please
![Choose the best answer.
Q1. What mass of K₂CO3 is needed to prepare 200 mL of a solution having a potassium ion concentration c
0.150 M?
A. 2.07
B. 4.15 g
C. 10.4 g
D. 1.49g
Q2. A 47.27 g of Ca(OH)2 is dissolved in water to make 2.5 L of solution. How many mL of this solution mu
be diluted with water to make 1.0 L of 0.10 M Ca(OH)₂?
B. 658 mL
D. 3.34 ml
A. 392.1 mL
Q3. Arrange the following in order of increasing first ionization energy.
A. Ca<Ba<P<S
B. Ca<Ba<S<P
C. Ba<Ca<S<P
D. Ba<Ca<P<S
Which pair of ions will not form a precipitate (soluble) when their solutions are mixed?
A. Ca²+, SO4²-
B. Ag+, NO3
C. AP¹+, PO¹
D. Pb, OH
5. Calculate the molar mass of the acid when 0.425 g sample of H₂X acid is completely neutralized with
34.6 mL of 0.151 M NaOH.
A. 162.8 g/mol
B. 246.8 g/mol
C) 173 g/mol
D. 82.9 g/mol
Q6. Calculate ) of the light emitted by a H atom if an electron falls from n=7 to n-4 principal energy level.
B. 1.010 10³ nm
A. 4.450 x 10-22 nm
C. 9.180 10-20 nm
D.2.166 10's
C. 18.5 mL
Q7. The electron configuration for the sulfur ion (S²) is?
A. 1s 2s 2p 3s 3p²
B. 1s²2s²2p 3s²3p
(n, 1, m, m.) for an electron in a 5f orbital
B. (5, 2, 3, 1/2)
Q8. The correct set of quantum numbers
A. (4, 2, 1, 1/2)
C. (5, 2, 0, 1/2)
Q9. Which one of the following is the correct order for atomic radius? (Smallest to largest)
B. F<Ca<P
A. Ca<P <F
C. Ca < F<P
incorrectly?
Q10. Which of the following is paired
A. C6H12O6 nonelectrolyte
C. Na(OH) strong electrolyte
C. [Ne]3s 3p 4s
Q11. Which of the following frequencies corresponds to light with the longest wavelength?
B. 4.12 x 10³ s¹
A..3.00 × 10¹3 ¹
C. 8.50 100 ¹
A. 1, 1, 1
B. HNO, weak electrolyte
D. HCI strong electrolyte
D. [Ne]3s 3p
D. (5, 3,-1,-1/2)
D. F<P <Ca
Q12. The spectator ions in the following reaction are? Pb(NO3)2+ 2NaC1→ PbCl₂ + 2NaNO,
B. Pb2+, NO3-
A. Na²+, NO3-
C. NO, CH-
D. 9.12 - 102
D. Pb, C1-
Q13. When the following equation is balanced in acidic solution, the coefficients for Cr₂O, I and Cr
respectively are?
r
Cr₂O72 (aq) +1¹(q) →→ Cr+ (aq) + 10) (q)
C. 1, 1,2
B. 1, 1,2
D. 2, 1, 1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F73756e6a-601d-4e3a-a6d7-35b2b5f0e6cb%2F2c28ad2e-e4f8-4488-a8f8-9e9c8d587a61%2F675qfxk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Choose the best answer.
Q1. What mass of K₂CO3 is needed to prepare 200 mL of a solution having a potassium ion concentration c
0.150 M?
A. 2.07
B. 4.15 g
C. 10.4 g
D. 1.49g
Q2. A 47.27 g of Ca(OH)2 is dissolved in water to make 2.5 L of solution. How many mL of this solution mu
be diluted with water to make 1.0 L of 0.10 M Ca(OH)₂?
B. 658 mL
D. 3.34 ml
A. 392.1 mL
Q3. Arrange the following in order of increasing first ionization energy.
A. Ca<Ba<P<S
B. Ca<Ba<S<P
C. Ba<Ca<S<P
D. Ba<Ca<P<S
Which pair of ions will not form a precipitate (soluble) when their solutions are mixed?
A. Ca²+, SO4²-
B. Ag+, NO3
C. AP¹+, PO¹
D. Pb, OH
5. Calculate the molar mass of the acid when 0.425 g sample of H₂X acid is completely neutralized with
34.6 mL of 0.151 M NaOH.
A. 162.8 g/mol
B. 246.8 g/mol
C) 173 g/mol
D. 82.9 g/mol
Q6. Calculate ) of the light emitted by a H atom if an electron falls from n=7 to n-4 principal energy level.
B. 1.010 10³ nm
A. 4.450 x 10-22 nm
C. 9.180 10-20 nm
D.2.166 10's
C. 18.5 mL
Q7. The electron configuration for the sulfur ion (S²) is?
A. 1s 2s 2p 3s 3p²
B. 1s²2s²2p 3s²3p
(n, 1, m, m.) for an electron in a 5f orbital
B. (5, 2, 3, 1/2)
Q8. The correct set of quantum numbers
A. (4, 2, 1, 1/2)
C. (5, 2, 0, 1/2)
Q9. Which one of the following is the correct order for atomic radius? (Smallest to largest)
B. F<Ca<P
A. Ca<P <F
C. Ca < F<P
incorrectly?
Q10. Which of the following is paired
A. C6H12O6 nonelectrolyte
C. Na(OH) strong electrolyte
C. [Ne]3s 3p 4s
Q11. Which of the following frequencies corresponds to light with the longest wavelength?
B. 4.12 x 10³ s¹
A..3.00 × 10¹3 ¹
C. 8.50 100 ¹
A. 1, 1, 1
B. HNO, weak electrolyte
D. HCI strong electrolyte
D. [Ne]3s 3p
D. (5, 3,-1,-1/2)
D. F<P <Ca
Q12. The spectator ions in the following reaction are? Pb(NO3)2+ 2NaC1→ PbCl₂ + 2NaNO,
B. Pb2+, NO3-
A. Na²+, NO3-
C. NO, CH-
D. 9.12 - 102
D. Pb, C1-
Q13. When the following equation is balanced in acidic solution, the coefficients for Cr₂O, I and Cr
respectively are?
r
Cr₂O72 (aq) +1¹(q) →→ Cr+ (aq) + 10) (q)
C. 1, 1,2
B. 1, 1,2
D. 2, 1, 1
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