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Based on your knowledge of the periodic trend in electronegativies, predict which chemical compound below will have the LOWEST percent ionic character (aLiI or KI Submit Answer Tries 0/1 SrSe or SrTe...
(a) Based on your knowledge of the periodic trend in first electron affinity, place the following...
(a) Based on your knowledge of the periodic trend in first electron affinity, place the following in order of DECREASING electron affinity such that 1 is the element with the highest predicted first electron affinity and 5 is the element with the lowest predicted first electron affinity. Si Os Sn Submit Answer Tries 0/13 (b) Based on your knowledge of the periodic trend in first ionization energy, place the following in order of DECREASING first ionization energy such that 1...
PART A 1. Based on your observations, which is the stronger oxidizing agent, chlorine (bleach) or...
PART A 1. Based on your observations, which is the stronger oxidizing agent, chlorine (bleach) or iodine? Provide a one-sentence reason why your answer follows from your observation. 2. a. Predict whether NaOBr would be able to oxidize I to iodine (I) or whether, rather, I would oxidize Br to Br+. b. On the basis of your prediction formulate a periodic trend for oxidizing power. Does it increase as you go down the periodic table or does it decrease? c....
answers for the second page Post-Lab Questions: I. Based on your knowledge of VSEPR, predict the molecular geometry...
answers for the second page
Post-Lab Questions: I. Based on your knowledge of VSEPR, predict the molecular geometry of the following molecules Draw the three-dimensional shape of the molecule using wedges and dashes: SOOS=O o=n una SiCla: - Si --:C16 CE II. The Lewis Structure of disodium fumarate is given as follows: No H c osco Hd No Four electron density surfaces of disodium fumarate are shown below. The electron density, p, is listed for each picture. p=0.01 p=0.1 p=0.3...
Ionic & Covalent Virtual Lab Pre-Virtual Lab Questions: Answer these before going to the website to...
Ionic & Covalent Virtual Lab Pre-Virtual Lab Questions: Answer these before going to the website to begin the virtual lab. 1. Where are metal atoms located on the periodic table? Where are non metal atoms located on the periodic table? 2. What subatomic particles) participate in chemical bonding? 3. In your own words, define valence electrons. 4. How can you determine the number of valence electrons in an atom using the periodic table? 5. Draw a Lewis Dot Structure for...
1. For each compound given here, write what type of compound it is (molecular or ionic...
1. For each compound given here, write what type of compound it is (molecular or ionic or acid). (a) NH4Cl (b) AlH3 (c) O2 (d) CH4 (e) NH3 (f) H2O (g) PCl5 (h) SF4 (I) ClF3 (j) XeF2 (k) SF6 (l) BrF5 (m) XeF4 (o) CS2 (p) CH2Cl2 2. Write a chemical equation that goes with Lattice energy of CaCl2(s). 3. Draw the Lewis Dot structure of .. (a) Na (b) Cl (c) O-2 (d) Mg+2 4. What is the...
Complete the questions below that are based on your chapter readings. Submit your answers in a...
Complete the questions below that are based on your chapter readings. Submit your answers in a Microsoft Word document (no PDFs) by 11:00 p.m. on Sunday of Unit 2 or as directed by your professor. 1. Suppose you are given the following data for a small economy: Number of unemployed workers: 1,000,000. Labor force: 10,000,000. Based on this data, answer the following: What is the unemployment rate? Can you determine whether the economy is operating at its full employment level?...
answer all questions ral Chemistry Concept 5 pts Question 1 Balance the chemical equation shown below,...
answer all questions
ral Chemistry Concept 5 pts Question 1 Balance the chemical equation shown below, Indicate the stoichiometric coefficients for the reaction. Do not leave answer spaces blank if the coefficient is one (1). AIBrg(aq)+ HBr(aq)- Al(s)+ H2(g) The balanced equation will then be used in the following two questions. 5 pts Question 2 Using the balanced chemical equation from the previous question, how many moles of H2(g) will be formed from 6.24 moles of HBr. Your answer will...
Based on the data, please answer question 3 (a,b, and c). thank you! CHEM 2115 Limiting...
Based on the data, please answer question 3 (a,b, and c).
thank you!
CHEM 2115 Limiting Reagent Lab Report #6 Chem I Lab Name Mikhayla D'Anne Section# Station# A5 Date 1%4/19 Overall equation: CaCl (aq) + K:C:04H:0 (aq) = CaC,O4+H20 (8) +2 KCI (aq) Net lonic Equation: Ca"? (aq) + CO. (aq) + H20 (1 = CaC20. H:0 (5) 1. Data & Calculations : CaCl K2C2O4+H2O Concentration of solution 0.75 mol/L Volume of solution 15 ml Moles of CaCl2 used...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has its own characteristic atom in which a. the atomic mass is constant. b. the atomic number is constant. c. the mass number is constant. d. Two of the above are correct. e. All of the above are correct. 2. Which of the following is not a trace element in the human body? a. iodine b. zinc c. iron d. calcium e. fluorine 3. A...
1. (6 pts total; 2 pts each) Proteins that catalyze chemical reactions in living systems are...
1. (6 pts total; 2 pts each) Proteins that catalyze chemical reactions in living systems are called enzymes. The basic building blocks of proteins are called amino acids and have the general structure pictured below, left, where R is a substituent containing one of many organic functional groups. Some representative examples of amino acids found in nature are pictured here as well (R groups only) сн. н 0:00 HO-C-H. HỌC-C-CH, CH,SH H-C-H H2N -CO,H H An Amino Acid Threonine Valine...
(a) Based on your knowledge of the periodic trend in first electron affinity, place the following in order of DECREASING electron affinity such that 1 is the element with the highest predicted first electron affinity and 5 is the element with the lowest predicted first electron affinity. Si Os Sn Submit Answer Tries 0/13 (b) Based on your knowledge of the periodic trend in first ionization energy, place the following in order of DECREASING first ionization energy such that 1...
PART A 1. Based on your observations, which is the stronger oxidizing agent, chlorine (bleach) or iodine? Provide a one-sentence reason why your answer follows from your observation. 2. a. Predict whether NaOBr would be able to oxidize I to iodine (I) or whether, rather, I would oxidize Br to Br+. b. On the basis of your prediction formulate a periodic trend for oxidizing power. Does it increase as you go down the periodic table or does it decrease? c....
answers for the second page
Post-Lab Questions: I. Based on your knowledge of VSEPR, predict the molecular geometry of the following molecules Draw the three-dimensional shape of the molecule using wedges and dashes: SOOS=O o=n una SiCla: - Si --:C16 CE II. The Lewis Structure of disodium fumarate is given as follows: No H c osco Hd No Four electron density surfaces of disodium fumarate are shown below. The electron density, p, is listed for each picture. p=0.01 p=0.1 p=0.3...
Ionic & Covalent Virtual Lab Pre-Virtual Lab Questions: Answer these before going to the website to begin the virtual lab. 1. Where are metal atoms located on the periodic table? Where are non metal atoms located on the periodic table? 2. What subatomic particles) participate in chemical bonding? 3. In your own words, define valence electrons. 4. How can you determine the number of valence electrons in an atom using the periodic table? 5. Draw a Lewis Dot Structure for...
answer all questions
ral Chemistry Concept 5 pts Question 1 Balance the chemical equation shown below, Indicate the stoichiometric coefficients for the reaction. Do not leave answer spaces blank if the coefficient is one (1). AIBrg(aq)+ HBr(aq)- Al(s)+ H2(g) The balanced equation will then be used in the following two questions. 5 pts Question 2 Using the balanced chemical equation from the previous question, how many moles of H2(g) will be formed from 6.24 moles of HBr. Your answer will...
Based on the data, please answer question 3 (a,b, and c).
thank you!
CHEM 2115 Limiting Reagent Lab Report #6 Chem I Lab Name Mikhayla D'Anne Section# Station# A5 Date 1%4/19 Overall equation: CaCl (aq) + K:C:04H:0 (aq) = CaC,O4+H20 (8) +2 KCI (aq) Net lonic Equation: Ca"? (aq) + CO. (aq) + H20 (1 = CaC20. H:0 (5) 1. Data & Calculations : CaCl K2C2O4+H2O Concentration of solution 0.75 mol/L Volume of solution 15 ml Moles of CaCl2 used...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has its own characteristic atom in which a. the atomic mass is constant. b. the atomic number is constant. c. the mass number is constant. d. Two of the above are correct. e. All of the above are correct. 2. Which of the following is not a trace element in the human body? a. iodine b. zinc c. iron d. calcium e. fluorine 3. A...
1. (6 pts total; 2 pts each) Proteins that catalyze chemical reactions in living systems are called enzymes. The basic building blocks of proteins are called amino acids and have the general structure pictured below, left, where R is a substituent containing one of many organic functional groups. Some representative examples of amino acids found in nature are pictured here as well (R groups only) сн. н 0:00 HO-C-H. HỌC-C-CH, CH,SH H-C-H H2N -CO,H H An Amino Acid Threonine Valine...
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