Chem 161-2013 exam I + solutions

Question 35

Please answer questions 3 and 4 and show work please. Thank you

Please help

0 / 5,000                         What is your question?   photo 0 / 2 Images Ask an Expert Submit your question Answers in as fast as 30 minutes* Questions are typically answered in as fast as 30 minutes* Like you, we deeply value honesty and integrity. Learn about our honor code. *Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers. Get 24/7Homework Help! Ask a homework question in 30 subjects...and growing! Subject matter experts are on standby 24/7. Get a detailed solution in as fast as 30 minutes.* Recently asked questions     About FAQ Honor Code Code of Conduct Sitemap Careers Become an Ambassador Refer a Friend Contact Bartleby Contact Research (Essays) High School Textbooks Literature Guides Concept Explainers by Subject Essay Help

ter 9- CHEM A054 520 2 x Question 12 - Chapter 9 part 2 X с Chapter 9 part 2 Homework i 12 1 points ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%25 8 01:46:13 eBook Hint Print References Mc Graw Hill CH6_Chem103 - Kenai Peninsu X + °C Determine the freezing point of an aqueous solution that is 0.584 m sucrose. Saved DU

This is not an graded assignment please complete 6-9 again NEXT PAGE I POSTED TO SHOW HOW IT SHOULD BE DONE

Please let me know which 2 answers are correct, an explanation including evidence

Subparts 4-6

Instructions You are required to produce a short lab report using the information given in the accompanying document, ‘Lab report assessment_student data’. This document introduces an experiment, and also provides a set of experimental data for this experiment. You are required to use this data to perform steps 8 and 9 of the procedure. This includes calculations of a particular value, and then comparison to the true value. Consider any experimental errors when comparing calculated values and true values. Your report should be between 300 and 500 words (including all table contents and titles of tables and graphs). Your lab report should consist of three sections only: • Experimental • Results and Discussion • Conclusion You do NOT need to include an introduction section. Your experimental section should be written in appropriate lab report format, (passive voice, 3 rd person, in paragraphs). Your results and discussion section should contain the data presented in table format, and…

Please help answer question 1, 2 and 3

口 A docs.google.com Classroom | Google for Education Alchemy Lesson 20 & 21 Worksheet Andres Carrill Andres Carrillo - Alchemy Lessons 20 & 21 Worksheet Update Apple ID S Some account servi available until you sig File Edit View Insert Format Tools Add-ons Help Last edit was 2 days ago 100% Normal text Arial 11 BIUA E = E = EE E - E E X 1 2 3 4 .. 6 I 7 O 8 1 IC 5 AIV-20: Getting Connected (Writing lonic Compounds) Part 1: Putting together lonic Compounds lonic compound Metal Number of cation nonmetal number of anion total total charge = 0 valence valence number of electrons electrons valence electrons NaF, sodium fluoride Na Na + (+1)+(-1) = 0 F- 8. MgO, magnesium oxide Mg 02- (+2) + (-2) = 0 MgCl2, magnesium chloride Mg CI 7 16 (+2) + 2(-1) = 0 Ne, neon Ne 8 BeF2, beryllium fluoride Be MgS, magnesium sulfide CaCl,, calcium chloride Na Br K Se Al Al203, aluminum oxide Al Al F

SHOW WORK. DON'T GIVE Ai generated solution

Refer to the table below. Answer the questions that follow. Express all your answers in four decimal places. Note: Do not round off the values of the slope and the y-intercept.Please keep your units consistent while calculating for the answers. Enclose in a box/highlight your final answers.  answer letter B

5 please help! *urgent* write as many accurate and relevant statements about the picture below. please write more than 5 correct descriptions/statements. please be as descriptive as possible.

100% 41 Safari File Edit View History Bookmarks Window Help Wed 4:51 PM A uk.instructure.com My Questions | bartleby Course Details University of Kentucky - CHE 111 Lab - Fall19 - FRENCH: Quiz.. Calculate the Molarity of Sodium Hydroxide? | Yahoo Answers = CHE111-017-032 > CHE111 Sections 017 to 32 (Tuesdays): General Chemistry I Laboratory (Fall 2019) Fall 2019 Home Account Announcements Dashboard Question #: 11 Syllabus Course Details An aqueous solution containing 0.3845 g of KHP (KHC;H4O4) was titrated with a solution of sodium hydroxide, producing the following titration curve. What is the concentration of the NaOH solution? Courses Modules Titration of KHP with NaOH Piazza Groups 14 Grades 12 Calendar 10 Inbox 6. Help Volume NaOH (ml) DEC 18

determine the mass in grams of 1.6x10-3 mol glucose, C6H12O6 I need help filling in the blanks in the photo attached

What safety rules did Andrew break?

Please answer all items will give you thumbs up and good rating. Each item consists of two statements (I and II). Identify if each statement is either true or false, then select the appropriate answer from the choices.

Name the following Fe(NO3)2

2 W S Type your answer to the following: Consider the steps the student took in the following scenario. Then describe anything the student did wrong and how it would have affected the student results (too high, low, or unchanged) and why. X A student forgot to weigh the filter paper prior to filtering the salt from the sand. To make up for this, the student weighed a different filter paper from the box and used that mass in the calculations. Edit View Insert Format Tools Table 12pt Paragraph # 3 80 F3 E D $ 4 C 888 R LL F BI U % 5 V F5 T G MacBook Air 6 F6 Y B T² & 7 H F7 A U N * 00 8 J 1 ( 9 M K O F10 L X P

Blank 1 is a cheap material used to create buildings, bridges, and other massive constructions. Blank 1 Add your answer

3500 nm isn't an option.

please type this, don’t write it.

Write A if only statement A is true; Write B if only statement B is true; Write C if both statements A and B are true; Write D if both statements A and B are false.   ______ (1) A. The scientific paper provides information about a chemical's toxicity, health hazards, physical properties, fire, and reactivity data—including storage, spill, and handling precautions.  B. Chemicals and other hazardous materials are an integral component of the laboratory environment.   ______ (2) A. The skull and crossbones signage indicates corrosive substances. B. Globally Harmonized System Pictograms illustrates different signages in relation to safety and proper handling of certain chemicals.

A docs.google.com Chapter 8 Test Camila Vasquez - American 2 Vir. e Progressive Era AIPO4(s) + Mg(s) --> ? * Your answer Solid iron is placed in a solution of gold (III) nitrate. * Your answer Mg(NO3)2(aq) + Cr(s) --> ? * Your answer CuC12(aq) + Ni(s)->?" Your answer.

+ terface/acellus_engine.htm?ClassID=1467683063 Use the data below to determine the mass ratio of iron to oxygen for compound 2. Compound 1 2 Et onal Academy of Science. All Rights Reserved. Mass Fe (grams) 15.55 20.98 [20:1 Enter the answer that belongs in the green box. Iron Ratio Cmpd 2 Mass O (grams) 4.45 9.02 Sh Enter

I need help understanding how to do this, can you please show me how you get the CFU/mL

FINAL Experiment 1- January 2021_-789644623 - Saved Layout Review View Table A friend of yours went panning for gold last weekend and found a nugget that appears to be gold. With your newfound scientific prowess, you set out to determine if it is really gold. Your tests show that the nugget has a mass of 7.6 g. Immersing the nugget in water raised the volume from 7.22 mL to 8.06 mL. The density of gold is 19.32 g/cm3. What will you tell your friend? acer

Write as many accurate and relevant statements about the following visual prompt as you can think of. No less than 8 statements. Drawings with descriptions of their meanings can be considered a response too.

Please solve parts a,b,c ans.

Pls help me with number 6

The Bay of Fundy in Nova Scotia, Canada is reported to have the largest tides in the world with high tide and low tide occurring two times per day. The tides can measure ft in height. At the Hopewell Rocks at Hopewell Cape, over approximately 50.0 on a specific day height increase was recorded as a rate of 6.08 feet per hour. What is the rate in meters per second ? ARTING AMOUNT ADD FACTOR DELETE ANSWER RESET *( ) %3D 60 5.15 x 104 1 0.332 7 50.0 111 1.20 x 103 0.3048 12 6.08 0.0309 ft ft/h h min day m/s S

Microsoft Teams Login Page | Mi X * (1) Assignments | Microsoft Team X -> Ô https://teams.microsoft.com/_?culture=en-ca&country=DCA&lm=Ddeeplink&Imsrc=homePageWeb&cmpid=WebSign Microsoft Teams Q Search Module 3 File Home Insert Draw View Help Open in Desktop App O Tell me what you want to do I U Ev E E E Arial 12 Tme following tabie compares irie mass of packaging, tolal cost and Tiumber of servirigs of irOzen concentrate and drinking boxes. Use the table to answer questions 40-41 Servings of Prepared Julce Volume of Mass of Packaging (9) Total Cost Рrepared Juice (mL) nts of Juice ($) I frozen concentrate 33.66 1364 5.5 1.20 drinking boxes 78.72 1500 6 2.58 40. Calculate the mass of packaging per serving for both frozen concentrate and drinking boxes. Use the following formula. Mass of packaging Mass of Package per serving Number of Servings Calculations: 123.88 41. Calculate the cost per serving for both frozen concentrate and drinking boxes. Use the following formula. Total Cost pps…

Current Attempt in Progress From the curves shown in Animated Figure and using the following Equation, determine the rate of recrystallization for pure copper at the several temperatures. Make a plot of In(rate) versus the reciprocal of temperature (in K-1). (a) Determine the activation energy for this recrystallization process. (See Section FACTORS THAT INFLUENCE DIFFUSION.) (b) By extrapolation, estimate the length of time required for 50% recrystallization at room temperature, 20°C (293 K). (a) i kJ/mol (b) i days