which is the empirical formular? Why? a) C2H4 b) CH3COOH c) P4O10 d) NH4NO2 e) AG2CO3
which is the empirical formular? Why? a) C2H4 b) CH3COOH c) P4O10 d) NH4NO2 e) AG2CO3
Homework Answers
Emperical formula of a compound is a formula from which we can only know the ratio of number of atoms of constituent elements, we may not have the actual numbers. For example, the molecular formula of ethane is C2H6, but its emperical formula is CH3.
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which is the empirical formular? Why? a) C2H4 b) CH3COOH c)
P4O10 d) NH4NO2 e) AG2CO3
(C) CH3COOH in water (D)HNO3 in water 12. List the substances Ar, Cl2, CHs, and CH3COOH...
(C) CH3COOH in water (D)HNO3 in water 12. List the substances Ar, Cl2, CHs, and CH3COOH in order of increasing strength of intermolecular attractions. (A) CH4 < Ar < CH3COOH < Cl2 (B) Cl2 < CH3COOH< Ar<CH4 (C) CH4< Ar < Clz < CH3COOH (D)CH3COOH< Cl2< Ar< CH4 (E) Ar < Cl2 < CH4 < CH3COOH 13, which of the following compounds has the lowest viscosity? ACCLn RI Na) (CHQ (D) CHa-(CH2)ks-CH3) (E) HCI(g)
13. Consider the molecule C2H4. The hybridization of each C atom is a. sp b. sp...
13. Consider the molecule C2H4. The hybridization of each C atom is a. sp b. sp c. sp d. dsp e. 14. Which of the following substances contains two pi bonds? a. C2H4 b. C2H2 e. C2H6 d. CH4
51) Which of the following formulas could be an empirical formula? A) C4H04 B) C&H1208 C)...
51) Which of the following formulas could be an empirical formula? A) C4H04 B) C&H1208 C) CsH5Os D) C2H302 52) Which of the following statements is true about carbon dioxide? A) It cannot be represented by an empirical formula. B) It cannot be represented by a molecular formula. C) It cannot be represented by a structural formula. D) It can only be represented by a molecular formula. E) Its molecular and empirical formulas are identical.
for Problem 19, there is option E which is E) C2H4 Problem 18 The Lewis formula...
for
Problem 19, there is option E which is
E) C2H4
Problem 18 The Lewis formula of which species does not represent an exception to the octet/duet rule? A) SiFs B) SCl C) SF4 D) BF E) CF Problem 19 Predict and draw the Lewis structures of the following particles A) CH3+ carbon atom won't follow an octet rule in this ion B) NH2F C) CICN D) CO
which of these molecules will NOT be able to H-bond with itself? a.) CH3COOH b.) CH3NH2...
which of these molecules will NOT be able to H-bond with itself? a.) CH3COOH b.) CH3NH2 c.) CH2F2 d.) NH3 e.) H2O
HELP 33. Which molecule or ion has a trigonal pyramidal molecular geometry! a. C2H4 b. H2CO...
HELP
33. Which molecule or ion has a trigonal pyramidal molecular geometry! a. C2H4 b. H2CO c. CH3 d. H2CCO e. CH3
electrical conductivity e (B) trigonal bipyramidal (C) octahedral (D) square planar (E) either tetrahedral or square...
electrical conductivity
e (B) trigonal bipyramidal (C) octahedral (D) square planar (E) either tetrahedral or square planar 13) Which aqueous solution has the highest electrical conductivity? (A) 04 M CH3COOH (B) 0.1 M CHCICOOH (C) 0.1 M CHCI2COOH (D) 0.01 M CH3COOH (E) 0.01 M CHCI-COOH, 14) Which pair of the following aqueous solution can produce precipitates? (A) NaNO3 and H.So, 10 d H-C-Cro COOKIES for (a) Teflon and (b) polystyrene (14 EC=( 7 3) Write down a mechanism for...
Which aqueous solution has the highest boiling point? (A) 1.0 m acetic acid, CH3COOH (B) 1.0...
Which aqueous solution has the highest boiling point? (A) 1.0 m acetic acid, CH3COOH (B) 1.0 m sulfuric acid, H2SO4 (C) 1.0 m phosphoric acid, H3PO4 (D) 1.0 m glucose, C6H12O6 Answer is B. Why?
6. Which pair of the following compounds are constitutional isomers? A B and C B. A and D C. C and D D. B and D E....
6. Which pair of the following compounds are constitutional isomers? A B and C B. A and D C. C and D D. B and D E. A and C 7. Which pair of the following compounds are constitutional isomers? A B and C B. A and D C. C and D D. B and D E A and C 8. Which of the following is a Newman projection for the following compound as viewed down the indicated bond in...
Which of the following is not a topological ordering for the graph: A ) O f, e, d, a, c, b O f, a, b, d, e, c O e, f, a, d, c, b O f,a,c,e,d,b QUESTION 4 Which of the following is not part of the def...
Which of the following is not a topological ordering for the graph: A ) O f, e, d, a, c, b O f, a, b, d, e, c O e, f, a, d, c, b O f,a,c,e,d,b QUESTION 4 Which of the following is not part of the definition of a flow? The flow out of the source is 0. O The flow into a vertex (not the source or drain) equals the flow out of that vertex. O The...
(C) CH3COOH in water (D)HNO3 in water 12. List the substances Ar, Cl2, CHs, and CH3COOH in order of increasing strength of intermolecular attractions. (A) CH4 < Ar < CH3COOH < Cl2 (B) Cl2 < CH3COOH< Ar<CH4 (C) CH4< Ar < Clz < CH3COOH (D)CH3COOH< Cl2< Ar< CH4 (E) Ar < Cl2 < CH4 < CH3COOH 13, which of the following compounds has the lowest viscosity? ACCLn RI Na) (CHQ (D) CHa-(CH2)ks-CH3) (E) HCI(g)
13. Consider the molecule C2H4. The hybridization of each C atom is a. sp b. sp c. sp d. dsp e. 14. Which of the following substances contains two pi bonds? a. C2H4 b. C2H2 e. C2H6 d. CH4
51) Which of the following formulas could be an empirical formula? A) C4H04 B) C&H1208 C) CsH5Os D) C2H302 52) Which of the following statements is true about carbon dioxide? A) It cannot be represented by an empirical formula. B) It cannot be represented by a molecular formula. C) It cannot be represented by a structural formula. D) It can only be represented by a molecular formula. E) Its molecular and empirical formulas are identical.
for
Problem 19, there is option E which is
E) C2H4
Problem 18 The Lewis formula of which species does not represent an exception to the octet/duet rule? A) SiFs B) SCl C) SF4 D) BF E) CF Problem 19 Predict and draw the Lewis structures of the following particles A) CH3+ carbon atom won't follow an octet rule in this ion B) NH2F C) CICN D) CO
HELP
33. Which molecule or ion has a trigonal pyramidal molecular geometry! a. C2H4 b. H2CO c. CH3 d. H2CCO e. CH3
electrical conductivity
e (B) trigonal bipyramidal (C) octahedral (D) square planar (E) either tetrahedral or square planar 13) Which aqueous solution has the highest electrical conductivity? (A) 04 M CH3COOH (B) 0.1 M CHCICOOH (C) 0.1 M CHCI2COOH (D) 0.01 M CH3COOH (E) 0.01 M CHCI-COOH, 14) Which pair of the following aqueous solution can produce precipitates? (A) NaNO3 and H.So, 10 d H-C-Cro COOKIES for (a) Teflon and (b) polystyrene (14 EC=( 7 3) Write down a mechanism for...
6. Which pair of the following compounds are constitutional isomers? A B and C B. A and D C. C and D D. B and D E. A and C 7. Which pair of the following compounds are constitutional isomers? A B and C B. A and D C. C and D D. B and D E A and C 8. Which of the following is a Newman projection for the following compound as viewed down the indicated bond in...
Which of the following is not a topological ordering for the graph: A ) O f, e, d, a, c, b O f, a, b, d, e, c O e, f, a, d, c, b O f,a,c,e,d,b QUESTION 4 Which of the following is not part of the definition of a flow? The flow out of the source is 0. O The flow into a vertex (not the source or drain) equals the flow out of that vertex. O The...
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