chem chapter quiz 2

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Nashville State Community College *

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1010

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Chemistry

Date

Apr 26, 2024

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docx

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17

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Question 1 (0.25 points) Identify an ether. Question 1 options: A)  CH 3 COOH B)  CH 3 CH 2 OCH 2 CH 3 C)  CH 3 CH 2 NH 2 D)  CH 3 CH 2 OH E)  CH 3 CH 2 SCH 2 CH 3 Question 2 (0.15 points) Give the name for H 2 CO 3 . Question 2 options: A)  carbonous acid B)  dihydrogen carbonate C)  hydrocarbonic acid D)  carbonic acid E)  hydrocarbide acid Question 3 (0.15 points) What is the charge on the Fe ions in Fe 2 O 3 ? Question 3 options: A)  4- B)  2-
C)  3+ D)  3- E)  1+ Question 4 (0.25 points) The solid compound, Li 2 SO 4 , contains Question 4 options: A)  Li + , S 6+ , and O 2-  ions. B)  Li +  and SO 4 2-  ions. C)  Li 2 +  and SO 4 2-  ions. D)  Li 2 SO 4  molecules. Question 5 (0.25 points) Give a possible molecular formula for the empirical formula of C 2 H 5 N. Question 5 options: A)  C 4 H 10 N B)  C 4 H 5 N 2 C)  C 4 H 10 N 2 D)  C 6 H 15 N E)  C 5 H 10 N 2 Question 6 (0.25 points)
Which combination of protons, neutrons, and electrons is correct for the isotope of copper, Question 6 options: A)  29 p + , 34 n°, 29 e - B)  29 p + , 29 n°, 63 e - C)  34 p + , 29 n°, 34 e - D)  34 p + , 34 n°, 29 e - E)  63 p + , 29 n°, 63 e - Question 7 (0.25 points) Give the correct formula for aluminum sulfate. Question 7 options: A)  AlSO 4 B)  Al 2 (SO 4 ) 3 C)  Al 2 SO 4 D)  Al 3 (SO 4 ) 2 E)  Al(SO 4 ) 3 Question 8 (0.15 points) Determine the name for N 2 O 5 . Question 8 options: A)  nitrogen(V) oxide
B)  nitrogen dioxide C)  nitrogen(II) oxide D)  dinitrogen pentoxide E)  dinitrogen oxide Question 9 (0.15 points) What is the empirical formula for Hg 2 (NO 3 ) 2 ? Question 9 options: A)  Hg 2 NO 3 B)  Hg(NO 3 ) 2 C)  Hg 4 (NO 3 ) 4 D)  HgNO 3 E)  Hg 2 (NO 3 ) 2 Question 10 (0.25 points) Write the formula for the compound formed between potassium and selenium. Question 10 options: A)  3K 3 Se 3 B)  K 2 Se C)  K 2 Se 3 D)  KSe 2
E)  KSe Question 11 (0.25 points) Give the structure for rubidium hypoiodite. Question 11 options: A)  RbIO B)  RbIO 2 C)  RbIO 3 D)  RbIO 4 E)  Rb 2 IO 3 Question 12 (0.25 points) The modern periodic law states that the properties of the elements repeat when the periodic table is arranged according to which of the following? Question 12 options: A)  increasing atomic number B)  increasing mass number C)  increasing atomic mass D)  increasing isotopic mass E)  none of the above Question 13 (0.25 points)
A molecule of water contains hydrogen and oxygen in a 1:8 ratio by mass. This is a statement of ________. Question 13 options: A)  the law of conservation of energy B)  the law of constant composition C)  the law of conservation of mass D)  the law of multiple proportions E)  none of the above Question 14 (0.25 points) An aqueous solution of H 2 S is named Question 14 options: A)  persulfurate acid B)  sulfuric acid. C)  sulfurous acid. D)  hydrosulfurous acid. E)  hydrosulfuric acid. Question 15 (0.15 points) Give the name for P 4 O 10 . Question 15 options: A)  tetraphosphorus decoxide B)  phosphorus(II) oxide
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