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Question 60 (1 point) CO2 is best descibed as A nonpolar molecule with polar bonds A...
Your quiz has been submitted successfully. Question 3 Classify the bonds in CO2 as nonpolar covalent, polar covalen...
Your quiz has been submitted successfully. Question 3 Classify the bonds in CO2 as nonpolar covalent, polar covalent, or ionic. A) polar covalent and ionic B) nonpolar covalent and ionic C) polar covalent D) ionic E) nonpolar covalent Question 4 Consider the SO2 molecule. What is the electron arrangement around the central atom? A) tetrahedral OB) linear C) trigonal planar OD) bent E) trigonal pyramidal MacBook Pro
Question 9 (8 points) Which molecule has polar bonds but is overall nonpolar? SO3 H₂S 03...
Question 9 (8 points) Which molecule has polar bonds but is overall nonpolar? SO3 H₂S 03 SO2 Question 10 (8 points) Which statement best describes the bond length(s) in the nitrite ion (shown)? The bond length of N-O is 136 pm and N-O is 122 pm. O: There are two bonds lengths where one bond is 136 pm, and the other is 122 pm. There is one bond length of 129 pm. There are two bonds lengths where the bonds...
Question 1 4 pts Which species is nonpolar? ces НСІ Hog OC12 NCI3 CCIA Question 2...
Question 1 4 pts Which species is nonpolar? ces НСІ Hog OC12 NCI3 CCIA Question 2 4 pts Which molecule is nonpolar, yet contains polar covalent bonds? CO2 HCN NH3 P4
8) Which of the following isa nonpolar molecule? (1 point) s 1o a) H2S b) CO2...
8) Which of the following isa nonpolar molecule? (1 point) s 1o a) H2S b) CO2 c) HF d) NH3 S LE0C
Question 17 (1 point) ✓ Saved H2N-CH--2-0 CH3 How would this amino acid be classified? polar...
Question 17 (1 point) ✓ Saved H2N-CH--2-0 CH3 How would this amino acid be classified? polar acidic basic nonpolar Next Page Previous Page Question 15 (1 point) npt 1 Brows 0-CH3 Classify this molecule: CH3-C-CH2 ---CHz 0-CH3 amino acid none are correct fatty acid TG (triglyceride/triacylglycerol) carbohydrate 44 000 & 000 F4 Question 11 (1 point) Which IM force/attraction does this image depict? hydrogen bonding Dispersion forces disulfide linkages Dipole-dipole attractions Classify this molecule: Javcu O НО fatty acid 44...
Question 2 (1 point) Amino acids can be classified as A. Hydrophobic amino acids with nonpolar...
Question 2 (1 point) Amino acids can be classified as A. Hydrophobic amino acids with nonpolar R groups B. Polar amino acids with neutral R groups but the charge is not evenly distributed C. Positively charged amino acids with R groups that have positive charge at physiological pH. D. Negatively charged amino acids with R groups that have a negative charge at physiological pH. How would the amino acid alanine be classified? Think through your reasoning. L-Alanine H2N-CHC-OH CH3
Question 1 (Review): Make the following conversions (4 pts). A. Grams of oxygen in 0.158 mol...
Question 1 (Review): Make the following conversions (4 pts). A. Grams of oxygen in 0.158 mol dinitrogen tetroxide (1 pt) B. TOTAL ions in 32.7 g of Copper (I) carbonate (1 pt) C. Grams of nickel (II) nitrate in a 0.0233 M solution with a volume of 55.0 mL (1 pt) D. Atoms of gold in a gold nanoparticle (density of gold = 19.3 g/cm3 , volume of a gold nanoparticle, 33.5 nm3 ) (1 pt) Question 2 (Review): Balance...
Question 1 (1 point) Using the solubility curve, at which temperature do KCl and KCIO, have...
Question 1 (1 point) Using the solubility curve, at which temperature do KCl and KCIO, have the same solubility? Solubility Curve Grams of solute/100g H30 to .- 30. 0 10 70 80 90 100 20 30 40 50 60 Temperature (°C) O 93°C 56°C O 85°C 0750 Previous Page Next Page Page 2 of 24 Question 2 (1 point) Saline (salt) solution is 0.9% by mass which is similar to tears, blood, and other body fluids. Which of the following...
Question 1 (1 point) Reaction of chromium metal with phosphoric acid produces chromium(lI) phosphate and hydrogen gas....
Question 1 (1 point) Reaction of chromium metal with phosphoric acid produces chromium(lI) phosphate and hydrogen gas. Select the correct balanced equation O2Cr(s)+2H3PO4laq)-- 2CrPO4(s)+6H(g) O2Cr(s)+2H3PO4laq)--2CrPO4(s)+3H2(g) O3Cr(s)+3H3PO4(aq)--Cr3(PO4]3(s)+3 H2{g) O2Cr(s)+2H3PO3(aq)--2CrPO3(s)+3H2(g) Question 2 (1 point) Methane gas (CH4) reacts with steam (H20 (g)) to produce hydrogen gas and carbon monoxide gas. Select the correct balanced equation. OCHalg) +H20(g) -- 6H(g)+CO(g) O2CH4(8)+H20(g)- 3H2(g)+2CO(g) OCH4(8) +H20(g) - 3H2(g)+CO(g) OCH4(8) +2H208)-- 4H2{g)+CO2{g) Question 3 (1 point) When the following equation is balanced using the smallest possible...
Last 15 points (1 point/question unless noted otherwise.) 1. Draw the missing lone pairs on the...
Last 15 points (1 point/question unless noted otherwise.) 1. Draw the missing lone pairs on the structure shown in Figure 1. OCH 2. Carbon 1 has _hybridization, HC CH, 2 7 molecular geometry, and bond angle(s) of N° 3. The nitrogen has hybridization, H. CH molecular geometry, and bond angle(s) of Figure 1. DEET (N,N-diethyl-meta-toluamide or N,N- 4. The carbon indicated by the arrow has diethyl-3-methylbenzamide) is the active ingredient in hybridization, many mosquito repellents. For more information, see Paul...
Your quiz has been submitted successfully. Question 3 Classify the bonds in CO2 as nonpolar covalent, polar covalent, or ionic. A) polar covalent and ionic B) nonpolar covalent and ionic C) polar covalent D) ionic E) nonpolar covalent Question 4 Consider the SO2 molecule. What is the electron arrangement around the central atom? A) tetrahedral OB) linear C) trigonal planar OD) bent E) trigonal pyramidal MacBook Pro
Question 9 (8 points) Which molecule has polar bonds but is overall nonpolar? SO3 H₂S 03 SO2 Question 10 (8 points) Which statement best describes the bond length(s) in the nitrite ion (shown)? The bond length of N-O is 136 pm and N-O is 122 pm. O: There are two bonds lengths where one bond is 136 pm, and the other is 122 pm. There is one bond length of 129 pm. There are two bonds lengths where the bonds...
Question 1 4 pts Which species is nonpolar? ces НСІ Hog OC12 NCI3 CCIA Question 2 4 pts Which molecule is nonpolar, yet contains polar covalent bonds? CO2 HCN NH3 P4
8) Which of the following isa nonpolar molecule? (1 point) s 1o a) H2S b) CO2 c) HF d) NH3 S LE0C
Question 17 (1 point) ✓ Saved H2N-CH--2-0 CH3 How would this amino acid be classified? polar acidic basic nonpolar Next Page Previous Page Question 15 (1 point) npt 1 Brows 0-CH3 Classify this molecule: CH3-C-CH2 ---CHz 0-CH3 amino acid none are correct fatty acid TG (triglyceride/triacylglycerol) carbohydrate 44 000 & 000 F4 Question 11 (1 point) Which IM force/attraction does this image depict? hydrogen bonding Dispersion forces disulfide linkages Dipole-dipole attractions Classify this molecule: Javcu O НО fatty acid 44...
Question 2 (1 point) Amino acids can be classified as A. Hydrophobic amino acids with nonpolar R groups B. Polar amino acids with neutral R groups but the charge is not evenly distributed C. Positively charged amino acids with R groups that have positive charge at physiological pH. D. Negatively charged amino acids with R groups that have a negative charge at physiological pH. How would the amino acid alanine be classified? Think through your reasoning. L-Alanine H2N-CHC-OH CH3
Question 1 (1 point) Using the solubility curve, at which temperature do KCl and KCIO, have the same solubility? Solubility Curve Grams of solute/100g H30 to .- 30. 0 10 70 80 90 100 20 30 40 50 60 Temperature (°C) O 93°C 56°C O 85°C 0750 Previous Page Next Page Page 2 of 24 Question 2 (1 point) Saline (salt) solution is 0.9% by mass which is similar to tears, blood, and other body fluids. Which of the following...
Question 1 (1 point) Reaction of chromium metal with phosphoric acid produces chromium(lI) phosphate and hydrogen gas. Select the correct balanced equation O2Cr(s)+2H3PO4laq)-- 2CrPO4(s)+6H(g) O2Cr(s)+2H3PO4laq)--2CrPO4(s)+3H2(g) O3Cr(s)+3H3PO4(aq)--Cr3(PO4]3(s)+3 H2{g) O2Cr(s)+2H3PO3(aq)--2CrPO3(s)+3H2(g) Question 2 (1 point) Methane gas (CH4) reacts with steam (H20 (g)) to produce hydrogen gas and carbon monoxide gas. Select the correct balanced equation. OCHalg) +H20(g) -- 6H(g)+CO(g) O2CH4(8)+H20(g)- 3H2(g)+2CO(g) OCH4(8) +H20(g) - 3H2(g)+CO(g) OCH4(8) +2H208)-- 4H2{g)+CO2{g) Question 3 (1 point) When the following equation is balanced using the smallest possible...
Last 15 points (1 point/question unless noted otherwise.) 1. Draw the missing lone pairs on the structure shown in Figure 1. OCH 2. Carbon 1 has _hybridization, HC CH, 2 7 molecular geometry, and bond angle(s) of N° 3. The nitrogen has hybridization, H. CH molecular geometry, and bond angle(s) of Figure 1. DEET (N,N-diethyl-meta-toluamide or N,N- 4. The carbon indicated by the arrow has diethyl-3-methylbenzamide) is the active ingredient in hybridization, many mosquito repellents. For more information, see Paul...
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