See if you can complete the following table using only what is on this page. Hint: Two of the entries are for the same element. Electrons in Element Nuclear Symbol Atomic Mass Symbol Number Number Protons Neutrons Neutral Atom 51 72 121 Sb 51 Fe 26 55 26 26
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A: SO2(g)+NO2(g)↽−−⇀SO3(g)+NO(g) For the reaction, keq = [Product]/[Reactant] = [SO3][NO]/[SO2][NO2] ...
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Q: A 0.144 M solution of HA has a pH of 2.26 at 25°C. What is the value of Ka for HA? (the answer shoul...
A: Given that, a 0.144 M solution of HA has a pH of 2.26 at 25°C. I.e. concentration is C = 0.144 M. An...
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A: The mass of the water sample is = 135 g The initial temperature of the water is = 47.7oC The final t...
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A: Given 3.6M H2SO4 29% H2SO4 by mass means that 100 g of solution contains 29 g of H2SO4 Mw (H2SO4) ...
Q: ***** Which of the following statements is correct? explain a. "When strong acid or base is added to...
A: Answer Buffer solution :- Weak acid and its conjugate base ma...
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A: The concentration of OH- is 8.7096×10-3.
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Q: Cobalt(II) complex ion solution: [Co(H2O)6]+2(aq) + 4Cl-(aq) ...
A: [Co(H2O)6]2+ (aq)(pink)+ 4Cl- (aq)-----> [CoCl4]2-(blue)+ ...
Q: 51 For the following reaction, K = 0.538 at 313 K. N;O(g) = 2 NO2(g) If a reaction vessel initially ...
A: Given data : 1. K = 0.538 2. Initial concentration of N2O4 = 0.0500 M
Q: H2 (g) + 12 (g) 2 HI (g) Initially, 3.7 atm each of hydrogen gas and iodine gas are added to a steel...
A: at equilibrium the value of HI is given from this we can calculate the value of x or change. so fu...
Q: HN-CO Но- но, HO ÇI HO Но- Но- `NHẠC H H „NH2 N. H H H HN HOOC HO Он но OH -OH OH OH Teicoplanin
A: Given, Teicoplanin
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Q: At a given temperature, the elementary reaction A = B, in the forward direction, is first order in A...
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A: Given - - > Initial concentration of A = 0.0450 M Initial concentration of B = 0.0600 M Equilibri...
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A: Introduction: Titration can be defined as a technique where a solution of known concentration is u...
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Q: Nitrogon happen to the concentrations of H CO,& CH3OH at equilibrium if a catalust is added? A) Cata...
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Q: stion 11 Determine the molar concentration of a Ca(OH)2 solution whose pOH is 1.51 at 25.0 C. (the a...
A: 1 mole of caoh2 produced 2 mole of OH- ions
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Q: Kw in pure water at 10°C is 6.29 x 1015. What is the pH of pure water at 10 °C? (the answer should b...
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Q: Consider the following molecule H-N-H 1. How many bonding pair of electrons are present? 2. How many...
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A: Reactant is a substance that carry out the reaction. Catalyst is the substance that catalysis the c...
Q: tion 13 For the reaction, 2X = Y, If 4.0 moles of X and 0.4 moles of Y are introduced into a 4.00L f...
A: The solution is given below -
Q: What is the empirical formula for an unknown organic compound, if the compound contains 75% carbon a...
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Q: Consider the reaction: 2AI(OH)3 + 3H2SO4 --> Al2(S04)3 +6H20 The MW of AI(OH)3 is 78.00. The MW of H...
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Q: How many moles of carbon tetrachloride are present in 3.17 x 10^22 molecules of this compound? ____...
A: Given, The moles of carbon tetrachloride are present in 3.17 x 10^22 molecules of this compound? ...
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Q: 8. How would you describe the solution of the salt formed from the reaction of a weak acid and a str...
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Q: K for the reaction: 2 SO2(9) + O2(g) = 2 SO3(g) If initial concentrations are [SO2] = 0.20 M, [O2] =...
A: Answer) We have given equilibrium constant (Kc) and we also have concentration of each substance . S...
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Q: A Moving to another question will save this response. Question 3 Fuel engineers use the extent of th...
A: The given equilibrium reaction is as follows: CO2g + H2g ⇌ COg + H2Og
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Q: When heated, ammonium Carbonate decomposes according to the reaction: NH4CO2NH3(s) ⇌ 2NH3(g)+CO2(g)....
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Q: Acid Base Conjugate Acid Conjugate Base Equation HNO, + NO,- + H,O- HNO, H,O H,0 H,O F- OH- ОН H,O С...
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Q: Mass of beaker: 110.000g Mass of silver nitrate in beaker: 40.00ml After 40ml: 154.127g After 80ml: ...
A: Mass of empty beaker = 110g Mass After 40ml = 154.127g After 80ml = 198.254g After 120ml = 242.381g ...
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- kmarks Profiles Tab Window Help Paraphras X akeAssignment/takeCovalent Activity.do?locator-assignment-take = ery M Creq 2req 2req 2req 2req 2req 2req 2req 2req s 2req Homework X orld view.pdf World view X [Review Topics] [References] Use the References to access important values if needed for this question. Submit Answer SEP 14 Grammarl X The element chlorine has an atomic weight of 35.5 and consists of two stable isotopes chlorine-35 and chlorine-37. Retry Entire Group The isotope chlorine-35 has a mass of 35.0 amu and a percent natural abundance of 75.5%. The isotope chlorine-37 has a percent natural abundance of 24.5 %. What is the mass of chlorine-37? tv My Home X ♫ e amu OWLv2 10 X 9 more group attempts remaining A 1 ☆ O Show All - + 0 X WStuden X Final - Access X schedu X Paraph X Midlan X Studen X Final 8/ X OWLV2 X Periodi X Answer X PDF A https://east.cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take Sign in Final 8AM [References] Use the References to access important values if needed for this question. Question 2 1 pt Question 3 1 pt A compound is found to contain 10.85 % silicon , 27.40 % chlorine , and 61.75 % bromine by mass. Question 4 1 pt To answer the question, enter the elements in the order presented above. Question 5 1 pt QUESTION 1: Question 6 1 pt The empirical formula for this compound is Question 7 1 pt Question 8 1 pt QUESTION 2: The molecular weight for this compound is 258.8 amu. Question 9 1 pt Question 10 1 pt The molecular formula for this compound is Question 11 1 pt Question 12 1 pt Question 13 1 pt Submit Answer Try Another Version 2 item attempts remaining Question 14 1 pt Question 15 1 pt Question 16 1 pt Question 17 1 pt s: 0/35 items Pro Due Dec 1 at…ment/takeCovalentActivity.do?locator=assignment-take [References) Use the References to access important values if needed for this question. Taking logarithms and antilogarithms is necessary to solve many chemistry problems. For practice, complete the following table, where N is a number. log N 7.91 1.778 -0.054 Submit Answer Retry Entire Group 4 more group attempts remaining Previous Next Save and Exit
- Content C °- OWLv2 | O × Google Do G google slid x Inbox (4,5 x Certificate ☑ > Course E X Cengage L ✓ b Content C ✓ ChatGPT ✓ + prod03-cnow-owl.cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator-assignment-take E4 CH 16 17 and 18 [References] Question 1 1 pt This question has multiple parts. Work all the parts to get the most points. Question 2 2 pts Question 3 1 pt Question 4 2 pts Trimethylamine, (CH3)3 N, is a common reagent. It interacts readily with diborane gas, B2H6. The latter dissociates to BH3, and this forms a complex with the amine, (CH3)3 N→BH3. The reaction between trimethylamine and borane is shown. Question 5 1 pt Question 6 × 2 pts Question 7 1 pt CH3 H CH3 H CH3-N: + -H CH3 N- B -H CH3 H CH3 H Question 8 2 pts Is the BH3 fragment a Lewis acid or a Lewis base? To decide this, answer the following questions: Question 9 1 pt a Which of the following is a definition of a Lewis acid? Question 10 2 pts Question 11 1 pt Question 12 1 pt O O O Question 13 1…Content C °- OWLv2 | O × Google Do G google slid x Inbox (4,5 x Certificate ☑ > Course E X Cengage L ✓ b Calculate ✓ ChatGPT × + prod03-cnow-owl.cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator-assignment-take E4 CH 16 17 and 18 [References] Question 1 1 pt This question has multiple parts. Work all the parts to get the most points. Question 2 2 pts Question 3 1 pt Question 4 2 pts Trimethylamine, (CH3)3 N, is a common reagent. It interacts readily with diborane gas, B2H6. The latter dissociates to BH3, and this forms a complex with the amine, (CH3)3 N→BH3. The reaction between trimethylamine and borane is shown. Question 5 1 pt Question 6 × 2 pts Question 7 1 pt CH3 H CH3-N: + B CH3 H CH3 H CH3 -N- CH3 H Question 8 2 pts Is the BH3 fragment a Lewis acid or a Lewis base? To decide this, answer the following questions: Question 9 1 pt Question 10 2 pts a Which of the following is a definition of a Lewis acid? Question 11 1 pt Question 12 1 pt proton donor electron pair…Document1 - Word Search (Alt+Q) References Mailings Review View Help Write the corresponding letters to the following descriptions. Each proposal can be associated with 0 or 1 match and each letter is not necessarily associated with a proposal. a. [Ar] 4s? b. 1s 2s2p63s23p3 c. 1s2s2p2 d. [Ne] 3s23ps e. [Ar] 4s23d10 f. 1s22s! g. None of those answers 1. I am a halogen 2. I am a transition metal 3. I am alkaline 4. I have exactly 2 single electrons 5. I am the smallest of the atoms presented here 6. I have exactly 3 valence electrons 7.I am the most paramagnetic of the atoms presented here 8. I am the copper 9.I am isoelectronic with Ti2+ IF cessibility: Good to go IA 16 SIS
- Content Google Do google slid X Inbox (4,5 ✓ Certificate ☑ > Course EX Cengage L x b Content G ☑ OWLv2|0 x ChatGPT × + C prod03-cnow-owl.cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator-assignment-take 口 New Chrome available : E4 CH 16 17 and 18 Question 1 1 pt This question has multiple parts. Work all the parts to get the most points. Question 2 2 pts Question 3 1 pt a Consider the reaction of NO and Cl₂ to produce NOCI. Question 4 2 pts 2 NO(g) + Cl2(g) → 2 NOCl(g) Question 5 1 pt What is AS (system) for this reaction? Question 6 × 2 pts Compound S° (J/mol K) . Question 7 NO(g) 210.76 1 pt Question 8 2 pts Cl2(g) NOCI(g) 223.08 261.8 Question 9 1 pt AS (system) = -121 J/K⚫ mol-rxn Question 10 2 pts Question 11 1 pt b Does AS (system) change with temperature? Question 12 1 pt yes Question 13 1 pt no Question 14 1 pt Submit Question 15 1 pt Progress: 9/15 items Due Apr 14 at 05:00 PM Finish Assignment Submit Answer Try Another Version 2 item attempts remaining…MOTION EYE xE OWLV2 Student - OWLV2 | Online 8 Geometry w/Dat S Practice 10.10 |S 9 Geometry w/Dat G Sign in - Google Logins & Passwc D A https://east.cengagenow.com filrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take O Other Bookmarks [References] Use the References to access important values if needed for this question. (? An aqueous solution is 0.500 % by mass ammonia, NH3, and has a density of 0.996 a/mL. The mole fraction of ammonia in the solution is Try Another Version 2 item attempts remaining Submit Answer 204. 2.70 0 8.59 AM 5/5/2022 VON-NW3SOF SONY 169 (WEB3 E D 20 F3 [Review Topics] [References] Use the References to access important values if needed for th a. When 52.70 and 44.375 are divided, the answer should be based on 4 Enter the answer with the correct number of digits. 52.70 44.375= 1.188 An error has been détected in your answer. Check for typos, miscalculations etc. before submitting your answer. C b. When 44.375 is subtracted from 52.70, the answer should be based on 2 decimal place(s). Enter the answer with the correct number of digits. 52.70 44.375= 8.32 Submit Answer $ 4 888 R F Retry Entire Group V % 5 Cengage Learning Cengage Technical Support F5 T G 6 4 more group attempts remaining B MacBook Air F6 Y H & 7 F7 U N * 00 8 J DII FB - M ( 9 K F9 O ) [ V 1 F12 11 21 ? 1
- ow.com/ilrn/takeAssignment/takeCovalent Activity.do?locator-assignment-take pt 1 pt a. A particular orbital has n = 5 and (Enter an answer such as 18 or 3p.) Submit Answer = 1. What is the designation for this orbital? b. A particular orbital has n = 2 and = 0. What is the designation for this orbital? (Enter an answer such as 18 or 3p.) Try Another Version [References] 8 item attempts remainingCengage Learnin ✓ Cengage Learnin ✓ Cengage Learnin OWLv2 | Online ✓ b Cengage Learnin what are the unit X ChatGPT Buy iPhone 15 a ✓ prod03-cnow-owl.cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator-assignment-take Ex3 CH 14 and 15 [References] Question 1 1 pt This question has multiple parts. Work all the parts to get the most points. Question 2 1 pt Question 3 × 2 pts Question 4 2 pts Question 5 1 pt Question 6 × 2 pts Question 7 1 pt mol/L Sulfuryl chloride, SO2 C12, is a compound with very irritating vapors; it is used as a reagent in the synthesis of organic compounds. When heated to a sufficiently high temperature, it decomposes to SO2 and Cl₂. SO2Cl2(g) SO2(g) + Cl2(g) Kc = 0.045 at 375°C a An 1.00-L flask containing 6.95 g of SO2 Cl2 is heated to 375 °C. What is the concentration of SO 2 Cl 2 in the system when equilibrium is achieved? Concentration = Question 8 2 pts Submit Question 9 1 pt Question 10 2 pts Submit Answer Try Another Version 3 item attempts…ME TO U X T Scholarship Ap X Report - Googl t/takeCovalentActivity.do?locator-assignment-take 2req 2req 2req 2req 2req 2req 2req 2req 2req 2req 2req OE NGLSync Portal X X X + 0 [Review Topics] [References] Use the References to access important values if needed for this question. Identify whether each species functions as a Brønsted-Lowry acid or a Brønsted- Lowry base in this net ionic equation. + 7 + HF (aq) Brønsted-Lowry CN Brønsted-Lowry F Brønsted-Lowry HCN (aq) Brønsted-Lowry In this reaction: The formula for the conjugate The formula for the conjugate Submit Answer 99+ a OWLv2 | Online Retry Entire Group $3 ✓of HF is of CN is 9 more group attempts remaining 65°F Update X ? 8:55 PM 5/28/2022