AutoSave C Of A 2- ) Lab 7 Flame report (1) - Word P Search A santicyn840@gmail.com s Help Table Design Layout 8 Share P Comments File Home Insert Design Layout References Mailings Review View X Cut a Copy O Find 12 - A A Aa A E-E- E- EE 1 AaBbCcDd AaBbCcDd AaBbC AaBbCcC AaB AaBbCcD AaBbCcDd 1 Normal 1 No Spac. Heading 1 Heading 2 Calibri E Replace A Select Subtle Em. = Dictate Sensitivity Paste BIU- ab x, x' A- 2 - A - Title Subtitle Editor Format Painter Clipboard Font Paragraph Styles Editing Voice Sensitivity Editor Experiment: Flame Test- General Chemistry I Data Sheet Results in Order of Increasing Frequency (lowest one on top): Metal Color of Flame Wavelength Range Frequency Range Orange 585 - 620 nm Na K Violet 400 – 420 nm Ba Yellow 570 - 585 nm Sr Red 620-780 nm 3.8.104 – 4.8x104Hz Li Red 620-780 nm 3.8.1014 – 4.8x10“Hz Cu Green 490 -570 nm Unknown Violet 400 - 420 nm Color of flame of unknown: Violet

AutoSave C Of A 2- ) Lab 7 Flame report (1) - Word P Search A santicyn840@gmail.com s Help Table Design Layout 8 Share P Comments File Home Insert Design Layout References Mailings Review View X Cut a Copy O Find 12 - A A Aa A E-E- E- EE 1 AaBbCcDd AaBbCcDd AaBbC AaBbCcC AaB AaBbCcD AaBbCcDd 1 Normal 1 No Spac. Heading 1 Heading 2 Calibri E Replace A Select Subtle Em. = Dictate Sensitivity Paste BIU- ab x, x' A- 2 - A - Title Subtitle Editor Format Painter Clipboard Font Paragraph Styles Editing Voice Sensitivity Editor Experiment: Flame Test- General Chemistry I Data Sheet Results in Order of Increasing Frequency (lowest one on top): Metal Color of Flame Wavelength Range Frequency Range Orange 585 - 620 nm Na K Violet 400 – 420 nm Ba Yellow 570 - 585 nm Sr Red 620-780 nm 3.8.104 – 4.8x104Hz Li Red 620-780 nm 3.8.1014 – 4.8x10“Hz Cu Green 490 -570 nm Unknown Violet 400 - 420 nm Color of flame of unknown: Violet

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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02A: 2.1-2.5 and Accuracy Handout (70 min) ulate Figures of Merit for Trueness ▾ Part A. Absolute Error A breathalyzer is a portable electrochemical instrument that measures the concentration of ethyl alcohol in a sample of exhaled breath A forensic chemist checks the calibration of a breathalyzer by testing a standard air sample known to contain 0.174 mg/L of ethanol seven times. The average value of these seven replicate measurements is found to be 0 157 mg/1 Calculate the absolute error of the breathalyzer. 1971 ΑΣΦΑ Submit Previous Answers Request Answer ? Previous x Incorrect; Try Again: 4 attempts remaining Q Search mgl ly Colle 16 of 17 E dx Next 11:44 PM 1/31/202 BANG &
AutoSave w | homework – Saved to my Mac OFF ... Home Insert Draw Design Layout References Mailings Review View O Tell me R Share O Comments Calibri (Bo. v 11 v A A E vE v E v E E Aa v AaBbCcDdEe AaBbCcD AaBbCcDdE AaBb AaBbCcDdEe Paste BIU V ab x, x A v I v A v No Spacing Normal Heading 1 Heading 2 Title Styles Pane Dictate Sensitivity Please answer the following questions fully and to the best of your ability 1) Please state how you would synthesize the following polymer below and show the mechanism behind the reaction. Note that this also means you need to tell me which molecule you are starting with as well as specifying all conditions required. он OH 2) Will either the polymer or the monomers you used to make it show peaks if IR spectroscopy analysis was done on them, and if so where? How about if UV-vis spectroscopy was performed instead? Page 1 of 1 93 words E English (United States) O Focus 白
A ALEKS - Dona Luc - Lean H My Grades - 2021 Spring Term (2 X Tutor.com Learning Suite M Hey - lucdona7@gmail.com - Gm x www-awn.aleks.com/alekscgi/x/Isl.exe/1o_u-lgNslkr7j8P3jH-IBIZZhveDw7yX8A9043nt5P1XWJwAREDsbwIERg1UdvpRqH651Jk. O MATTER Solving applied density problems Mr. Auric Goldfinger, criminal mastermind, intends to smuggle several tons of gold across international borders by disguising it as lumps of iron ore. He commands his engineer minions to form the gold into little spheres with a diameter of exactly 6 cm and paint them black. However, his chief engineer points out that customs officials will surely notice the unusual weight of the "iron 3. ore" if the balls are made of solid gold (density 19.3 g/cm). He suggests forming the gold into hollow balls 3. instead (see sketch at right), so that the fake "iron ore" has the same density as real iron ore (5.15 g/cm). One of the balls of fake "iron ore," sliced in half. Calculate the required thickness of the walls of each hollow…
Question 1 of 20 A barrel of crude oil has a volume of 42 gallons, only approximately 45% of which is processed into gasoline. If your car achieves 32 mi/gal, and you drive 36,000 miles in one year, how many barrels of crude oil are required to run your car for a year? Tap here or pull up for additional resources
Search he web.. H Take T X G What is th P Pearson S b Answered M Inbox (1,0 er 1 0 8 https://bblearn.rcsj.edu/webapps/assessment/ Question Completion Status: 3. 50 70 100 110 120 130 14G 18 QUESTION 3 3.478 g x 1.164 g What is the best answer to report for -0.116 g/mL g/mL? 2.00 mL O a. 1 g/mL O b.1.904 g/mL Oc.1.90478009 g/mL O d. 1.9 g/mL Oe1.91 g/mL QUESTION 4 The state of matter for an object that has both definite volume and definite shape i a. gaseous state b. elemental state OC. solid state Od. mixed state e. liquid state Click Save and Submit to scue and subrt CackSae74nswers to save al cnswers. Type here to search
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Help 100% 47 T. "ublic Health Ch HSC 258 - Major Projec x MindTap - Cengage Lea X C The Illustration To T =55750828934189288909969212&elSBN=9781305657571&id=D1061392007&nbld=21... * Q Search t Referonces Use the References to access important values if needed for this question. For the following reaction, 50.4 grams of sulfur dioxide are allowed to react with 17.9 grams of water. sulfur dioxide (g) + water (I) sulfurous acid (H2SO3) (g) grams What is the maximum amount of sulfurous acid (H,SO3) that can be formed? What is the FORMULA for the limiting reagent? grams What amount of the excess reagent remains after the reaction is complete? Submit Answer
Potentially Useful Reference Information Kw = 0.114 x 10-14 at 0°C Kw = 0.465 x 1014 at 15°C Kw = 0.681 x 10-14 at 20°C %3D Kw = 1.00 x 10-14 at 25°C %3D Kw = 2.42 x 10-14 at 37°C Kw = 9.61 x 10-14 at 60°C Acid Ka HCI 1.3 x 106 H2SO4 1х 103 HNO3 2.4 x 101 HSO4 1.2 x 10-2 A student measures the temperature of an NaOH solution to be 15 degrees C. The student then measures the pH of this NaOH solution to be pH = 12.39. H3PO4 7.5 x 103 H3CCOOH 1.8 x 10-5 In a separate experiment at 25°C, a student recorded that it took 25.8 mL of a 0.200M NAOH solution to completely neutralize 32.00 mL of H2CO3 4.3 x 107 an unknown, diprotic acid solution. Determine the initial molarity of H2PO4 6.2 x 10-8 this unknown acid solution. Error analysis is not necessary, but report your answer with the correct HCO3 4.8 x 10-11 number of significant figures. HPO,2 4.8 x 10-13
Run 1 Run 2 Run 3 Run 4 Run# 1 2 3 4 Na₂S₂O3 0.005M 1 drop 1 drop 1 drop 1 drop Quantity. [Na2S2O3] stock [KI] stock [H202] stock k' KI 0.1M 2 drops KI 0.2M 2 drops 2 drops 2 drops Trial 1 (s) 0:34 0:07 1:11 0:12 Value 5.00 * 10^-3 2.00 * 10^-1 1.00 * 10^-3 0.0289 H₂O2 0.05M 1 drop H₂O2 0.1M 2 drops 2 drops 1 drop Trial 1 (s) 0:32 0:06 1:01 0:10 Trial 1 (s) 0:32 0:05 0:59 0:17 Trial 1 (s) 0:23 0:04 1:06 0:09 Trial 1 (s) 0:14 0:3 01:13 0:13 For the results you have shown in the Summary tables, provide the following sample calculations. Show your work in the space provided: Calculate the average reaction time for Run #1: For all Run #1 reaction times, use the Grubbs test to show whether you have an "outlier" in your data set.
dec. Im Table 1.5 Appropriate use of a pipette. Type (P1000, P200, P20, or other) P200 or P100 085 10 1 3 8 2 4 5 6 7 9 Volume Required (UL) 25 12.5 300 5 1000 958 150.2 1.5 7000 1250 Show Transcribed Text P20 P1000 P200 PIO 5mL P1000 0 30 ere. P1000 P200 P2 or PIO 10mL Ser. Ap 5mL Ser. Pip P1000 Reading on Pipette - moo 050 - O 09 50 Fill Table 1.5 with the most appropriate equipment to measure the listed volume. There may be more than one possible answer for some. Choose the best option/combination from p20, p200, and p1000 or serological pipette. (We use 5 ml., 10 mL and 25 mL serological pipettes in the lab.)