IMG_1425

phs.blackboard.com/webapps/assessment/take/take.jsp?course_assessment_id%3D 36688_1&course_id%3D_31958 1&content_id%3_1130567_1&- 8r 10 13 140 15 16 20 11 12 17 18 19 20 A Moving to another question will save this response. Quèstion 6 Select the statement that is not supported by the following equation: q=0=(mwater)(Cwater)(ATwater)+ (mmetal)(Cmetal)( ATmetal) The total change in heat is the sum of the changes in heat of water and a metal. Energy is conserved. Energy is transferred between water and a metal. Energy is lost during a calorimetry experiment. A Moving to another question will save this response. hp & %23 9. 6. 00 进3

Please answer 5,6,7,8. I submitted already and only got answer for number 4. Please help with the rest.

For items 7-8 choose the letter of the best answer. No need to write the explanations.

Please put your observations in data table part 2 and answer the post lab questions(1-5) AND 6 A AND B and for number 7 ONLY DO THE EQUATIONS FOR 11 12 AND 13 I MARKED ON THE WORKSHEET BUT ONLY DO EQUATION FOR HCI WITH CUSO4 AGNO3 AND FE2SO4 I KNOW I DID IT BUT I MAY BE WRONG

5.50x10-2 M in acetic acid (Ka = 1.8 x 10-5) and 5.50x10-2 M in hydrocyanic acid (Ka = 4.9 x 10-10) Express your answer to two decimal places. pH = ΜΕ ΑΣΦ ? Submit Previous Answers Request Answer

So I went throught the material to re learn this question we had in class but I still don't get it. Maybe I don't understand my professors style of teaching as much. Can someone help me answer these questions and undertand them. Thank you

Question number 7-2 only

Case #5 Case #6 Jeepers! Someone snuck into the Movie Madness studio and Someone stole the net from the High Wire act at the Crazy Circus! Without it, the show can't go on! stole the reels for the new film! The CSI team found a liquid at At this crime scene, there were traces of a liquid, 9 drops (at ,059 drop) were found to contain 279C, 119790, and ,06039H, What was the empirical formula of the compound? Who committed the heinous act? this crime scene, When the ,77009 sample was analyzed, it was found to contain ,04679H and ,724390, What was the empirical formula? Who should the police question? a Case #7 Case #8 Old Man Higgins had his favorite cane taken from him when he was out for a walk through Sinister Park, The CSI team found traces of a uhite powder at this crime scene, To be 61,67%CL, A flame test yielded a yellow flame, indicating the remaining portion was sodium, What was the empirical formula of the compound? What kind of person would steal an antique cane? The original…

Type of isomerism Type in answer H H H-C-H H H- H-C-H H- .C-C -c- -H H -C- H H H H-C-H H Type in answer Type in answer OH OH OH Type in answer Type in answer он CH3 HC HC Type in answer -OH HO CH, CH, CH3 CH,CH, CH3 Type in answer X-X .CO.H CO̟H CO,H HO,C H. Type in answer OH OH CH3 CH3 CH3 ČH3

* Question Completion Status: QUESTION 17 What is the IUPAC name for the following molecule: CH,CH,CH; CH,CH,CHCCH,CH,CH3 H;C CH,CH3 For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Arial 14px A 三 = x? X2 ABC +, 田田国 田田 Ť {;} Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All JUL tv 图 II

Re-type this equation into the answer box. H,O(1) = H*(aq) + OH¯(aq) H,O(1) = H* (aq) + OH¯(aq): MAR 26 étv MacBook Air DII DD 80 888 F10 F11 F12 F6 F7 F8 F9 F3 F4 F5 * & delet

k Part F [OH-]= 3.9 x 10-6 M Express your answer using two decimal places. pH = Submit Requeet Answer MarBook Air

Y Part A > Spell out the full name of the compound. Submit Previous Answers Request Answer X Incorrect; Try Again; 8 attempts remaining Part B w Spell out the full name of the compound. Submit Request Answer

Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic steps. Be sure to account for all bond-breaking and bond-making steps. Na Select to Add Arrows نکه Select to Add Arrows NaOH, H₂O Na Ⓒ heat Select to Add Arrows 1. NaOH, H₂O heat NaOH, H₂O heat NaOH, H₂O heat 1 41 Na Na Ⓒ ON: Select to Add Arrows Na Ⓒ NaOH, H₂O é heat Select to Add Arrows Select to Add Arrows

15 16 17 18 19 20 21 22 23 24 25 26 27 An aqueous solution at 25 °C has a OH concentration of 1. x 10 "M. Calculate the H,O' concentration. Be sure your answer has 1 significant digits. -10 M dh Submit Assignment Continue MacBook Air F12 F9 F10 888 O00 FB 30 F7 F5 F6 esc F4 F2 F3 F1 & @ # $ %3D 4 5 7 8 9 2 3

7 Complete the table below. Be sure each of your answer entries has the correct number of significant digits. You may assume the temperature is 25 °C. 4 W formula NH 80°F Partly sunny 0 conjugate acid Continue HCN 3 E Ka 5.6 x 10 0 X 4.9 × 10 -10 $ 4 R -10 с formula F5 HS % 5 T 0 conjugate base H Q Search F6 6 K₂ 0 1.8 x 10 F7 87 & F8 Do X J * 8 - F9 a x10 F10 ( 9 Ⓒ2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Cen C O - F11 ) 0 *+ F12 PrtSc + 11 Insert Subr = Delete Backsp

Answers I2 SO42- Fe3+ S2O82- I-

Number answer choices: 5, 2, 0, 1, 4, 3, or 6 Sign answer choices: +, -, or no sign

Please confirm if my answer is correct or not. Due to the need for this to be correct I would like you to provide me with a confidence score in you answer on a scale from 1 to 10 how confident are you in your answer. Please be sure to double check your answer

10-15   please answer all

What are the H3O+ and OH concentrations of solutions that have the following pH values?

Suspect #1: George Norman Suspect #2: Becky Baker George Norman recently Becky Baker is a world famous chef. She had just finished baking a cake at the time of the crime. The recipe called for baking soda. The formula for baking soda (sodium bicarbonate) is had an accident where he cut himself with a Alaia knife. He cleaned the wound with rubbing alcohol. The formula for rubbing alcohol Bak ing Seda NaHCOз. (isopropanol) is C3H80. Suspect # 3: Liz Lemon Suspect #4: Ben Linus Liz Lemon just had her nails Ben Linus had been walking done, and she still has traces of nail polish remover on her hands. Nail around in the rain for about an hour before the crime polish remover he was suspected contains acetone. Acetone of occurred. He The formula for Polish was dripping wet with water acetone is C3H60. renover at the time. The formula for water is H2o.

01-5a Match the generic formula to its generic name. CnH2n+2 [Select] CnH2n-2 [Select] C6H6 [Select] соно CnH2n [Select] <

True or False:

7. Chemical Formula: C3H7NO₂ 1H, broad 12 10 2H, broad Final Answer 8 PPM 6 1H q A- 3H d 2 0