Smelling a sharp penetrating odor probably indicates that you have formed which of the following. A)...
Smelling a sharp penetrating odor probably indicates that you have formed which of the following.
A) CO2
B) NH3
C) H2O
D) H2
Homework Answers
CO2 'H2O ' H2 literally don't have any odor.. But here ammonia has a very sharp pungent smell. The smell distinguish NH3 from the other molecules here.
So answer is B) NH3
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Smelling a sharp penetrating odor probably indicates that you
have formed which of the following.
A)...
Which of the following processes have a ΔS > 0? A) Na2CO3(s) + H2O(g) + CO2(g) → 2 NaHCO3(s) B)CH4(g) + H2O(g) → CO(g...
Which of the following processes have a ΔS > 0? A) Na2CO3(s) + H2O(g) + CO2(g) → 2 NaHCO3(s) B)CH4(g) + H2O(g) → CO(g) + 3 H2(g) C)CH3OH(l) → CH3OH(s) D)N2(g) + 3 H2(g) → 2 NH3(g) E)All of the above processes have a DS > 0.
Please answer both questions. Thank you For which of the following reactions is ASO > 0?...
Please answer both questions. Thank you
For which of the following reactions is ASO > 0? a. 2 C2H6(g) +702(g) → 4 CO2(g) + 6 H2O(g) b. H2CO(g) + O2(g) → CO2(g) + H20(1) C. N2(g) + 3 H2(g) → 2 NH3(g) d. NH3(g) + HI(g) → NH41(s) QUESTION 5 For which of the following reactions is AS° at 25 °C closest to zero? a. N2(g) + O2(g) → 2 NO(g) b. H2(g) + 12(s) → 2 HI(g) c. CH3CHO(g)...
Which of the following reaction stoichiometry would be used to calculate the moles of H2O formed...
Which of the following reaction stoichiometry would be used to calculate the moles of H2O formed when a given mole of NH3 completely react with excess amount of O2? 4 NH3 + 5 O2 → 4 NO + 6 H2O a. 6 mol H2O/4 mol NH3 b. 4 mol NH3/6 mol H2O c. 5 mol O2/4 mol NH3 d. 4 mol NH3/5 mol O2
3 pages 22.. Which of the following ia not a chemical method of taste and odor...
3
pages
22.. Which of the following ia not a chemical method of taste and odor removal: a.- Ozonation b.- Aeration C.- Chlorination d.- Potassium Permanganate oxidation 23.- Which of the following is not a quality of Ozone gas: a.- Pungent bluish gas b.- Powerful oxidizer C.- Leaves no residual d.- Most economical method 24.- Which of the following is true regarding Chlorination for taste & odor removal: a.- Very expensive b.- May create odor problems C.- Is used with...
1. Animals probably evolved from: a). Placozoans that formed colonies b). Choanoflagellates that formed colonies c)....
1. Animals probably evolved from: a). Placozoans that formed colonies b). Choanoflagellates that formed colonies c). All protozoa d). Both a and b 2. Which of the following represent an early branch on the animal family tree? a). Placozoans that formed colonies b). Choanoflagellates that formed colonies c). All protozoa d). Both a and b 3. Feathers first evolved in reptiles.Today they are seen in reptile descendants, the ....? a). mammals b). Birds c). Insects d). Crocdilians
2. Which of the following equations will have a negative ∆S? A. 3 H2(g)+ N2(g) -->...
2. Which of the following equations will have a negative ∆S? A. 3 H2(g)+ N2(g) --> 2 NH3(g) B. C6H6(l)--> C6H6(g) C. NH4OH(s)--> H2O(l)+ NH3(g) D. NaCl(s) --> Na+(aq) + Cl-(aq)
Which member of the following pairs would you expect to have a higher boiling point? (a)...
Which member of the following pairs would you expect to have a higher boiling point? (a) N2 or F2, ?(b) SO2 or CO2, (c) HF or HBr, ?(d) Ar or Xe, (e) CO2 or CS2, ?(f) CCl4 or CH4, (g) Cl2 or LiCl, ?(h) NH3 or PH3, ?(i) BH3 or NH3,?(j) F2 or I2?
Select all of the following that you would predict to have a negative ΔS. a) 2...
Select all of the following that you would predict to have a negative ΔS. a) 2 NO2 (g) → N2 (g) + 2 O2 (g) b) 2SO2 (g) + O2 (g) → 2 SO3 (g) c) 2 C6H6 (l) + 15 O2 (g) → 12 CO2 (g) + 6 H2O (g) d) 4 NO (g) + 6 H2O (g) → 4 NH3 (g) + 5 O2 (g) e) 2 BF3 (g) + 3 CaO (s) → B2O3 (s) + 3...
In a patch of 594 wildflowers, you have the following genotypes: a strong smelling (SS) flower,...
In a patch of 594 wildflowers, you have the following genotypes: a strong smelling (SS) flower, a weak smelling flower (ss), and an intermediate smelling flower (Ss). The number of flowers with each genotype is as follows: Ss ss 170 407 17 6. Assuming Hardy-Weinberg Equilibrium among the population of wildflowers described above, determine the frequency of the S and s alleles. S
Which of the following reactions would have the most positive AS° value? A) SO2(g) + Na20(s)...
Which of the following reactions would have the most positive AS° value? A) SO2(g) + Na20(s) – Na,SO3(s) B) CO2(s) — CO2(g) C) Fe3+(aq) + SCN-(aq) — FeSCN2+(aq) D) N2(g) + 3 H2(g) – 2 NH3(g) E) 2 NO(g) + Cl2(g) – 2 NOCI(g)
Please answer both questions. Thank you
For which of the following reactions is ASO > 0? a. 2 C2H6(g) +702(g) → 4 CO2(g) + 6 H2O(g) b. H2CO(g) + O2(g) → CO2(g) + H20(1) C. N2(g) + 3 H2(g) → 2 NH3(g) d. NH3(g) + HI(g) → NH41(s) QUESTION 5 For which of the following reactions is AS° at 25 °C closest to zero? a. N2(g) + O2(g) → 2 NO(g) b. H2(g) + 12(s) → 2 HI(g) c. CH3CHO(g)...
3
pages
22.. Which of the following ia not a chemical method of taste and odor removal: a.- Ozonation b.- Aeration C.- Chlorination d.- Potassium Permanganate oxidation 23.- Which of the following is not a quality of Ozone gas: a.- Pungent bluish gas b.- Powerful oxidizer C.- Leaves no residual d.- Most economical method 24.- Which of the following is true regarding Chlorination for taste & odor removal: a.- Very expensive b.- May create odor problems C.- Is used with...
In a patch of 594 wildflowers, you have the following genotypes: a strong smelling (SS) flower, a weak smelling flower (ss), and an intermediate smelling flower (Ss). The number of flowers with each genotype is as follows: Ss ss 170 407 17 6. Assuming Hardy-Weinberg Equilibrium among the population of wildflowers described above, determine the frequency of the S and s alleles. S
Which of the following reactions would have the most positive AS° value? A) SO2(g) + Na20(s) – Na,SO3(s) B) CO2(s) — CO2(g) C) Fe3+(aq) + SCN-(aq) — FeSCN2+(aq) D) N2(g) + 3 H2(g) – 2 NH3(g) E) 2 NO(g) + Cl2(g) – 2 NOCI(g)
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