Laboratory_2_Report - 201-2_IC

M Inbox ( x Precalc X A HOLID X Oluwa X Good ь Chemi X A fake X G spiral G the sar X X Micros X https://papers.xtremepape.rs/CAIE/IGCSE/Chemistry%20(0620)/0620_s05_qp_6.pdf The same mass of zinc was used each time. The volume of acid used was different each time. Use the syringe diagrams to record the volume of hydrogen produced each time in the table. Table of results volume of sulphuric acid/cm volume of syringe diagram hydrogen/cm3 10 20 30 40 50 60 70 80 10 20 30 40 50 60 70 80 15 10 20 30 40 50 60 70 80 20 10 20 30 40 50 60 70 80 25 10 20 30 40 50 60 70 80 30 10 20 30 40 50 60 70 80 10 20 30 40 50 60 70 80 35 40 10 20 30 40 50 60 70 80 ENG 23:09 O Type here to search 27°C US 21/04/2022

density of irregular solid mass of irregular solid 8.299 g initial volume 48 mL final volume 55 mL total volume displaced 7 mL what is the density of irregulatr solid?

3. While determining the volume during this experiment (Part II), if the total volume of the flask were incorrectly reported as 125 mL, how would this error affect the calculated molar mass of the unknown volatile liquid? Explain. MacBook Air 80 DII F3 F4 F5 F6 F7 F8 F9 F10 & * 4 5 6 7 8 R Y * 00

What is the molar mass of unknown Z, .0578g and 1.12 x10 -3moles. 2$ 4 5 dele R Y F G H. K L

Calculate the volume in milliliters of a 0.995 mol/L calcium bromide solution that contains 150. g of calcium bromide (CaBr, ). Round your answer to 3 Mary significant digits. mL x10 do Ar I Don't Know Submit 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibi 12:27 PM W 4/8/2022 DELL PgUp Delete PrtScr Insert F12 F10 F11 F8 F9 F6 F7 F4 F5 F2 F3 F1 Backspace

Masses of compounds used and observations NaCI CuSO4-5H20 Bright blue crystaline solids (NH4)2Fe(SO4)2 pale, Blue-green crystalline solid colorless Crystals Appearance of solid Mass of vial and 12.8364 12.7398 12.9445 compound (g) Mass of emptied vial (g) 11.6023 11.4888 11.9221 Mass of compound used (g) 1.2341. 1.2510. 1.0224 Volume of prepared solution = Type response here. Mass of sodium chloride used = Type response here.

Concentration 1. Sucrose (C12H22011) is mixed with water to make sugar water. The mass fraction of sucrose is 0.594 and the balance water. a) Find the volume fractions of sucrose and water. b) What is the mass fraction of carbon in the mixture? The density of sucrose is 1.58g/mL. Molecular weights: Carbon 12.011g/mol, Hydrogen 1.008g/mol and Oxygen 15.999g/mol

K Maya Paniagua - RC Ch 10 HW.p x E The State of Nature & the Social X The School District of Palm Beac + kamihq.com/web/viewer.html?state=%7B"ids"%3A%5B"1_9_gDqlBsnEI9NLSL9h9ixQGOBwtxhyJ"%5D%2C*action"%3A*o. a Paniagua - CI. A Kami Uploads Maya Paniagua - RC Ch 10 HW.pdf 134% 10. A compound with the empirical formula CH has a molar mass of 78 g/mol. Determine its molecular formula. 11. A compound is found to consist of 43.64% phosphorus and 56.36% oxygen. The molar mass of the compound is 284 g/mol. Find the molecular formula of the compound.

S #1 X K Maya Paniagua - Chem Bal x EMaya Paniagua - Unit 1: Mo x K Maya Paniagua- L8.8 CW LM web.kamihq.com/web/viewer.html?state%=%7B"ids"%3A%5B"1-iZgelEZyOML1EgliHSzHmkgcB7SZPdc"%5D%2C'acti Maya Paniagua - Cl. A Kami Uploads Maya Paniagua - Chem Balance Eq.pdf Chemistry Balancing Equations Worksheet #1 Balance the equations below: 1) N2 + H2 → _ NH3

4. You are trying to determine the volume of your setup according to the procedure in the lab manual. You have determined the following: Mass Standard CaCO3 0.4453 g % CaCO3 Pi Pf Ti Tf 99.6 % 50.5 kPa 129.5 kPa 20.33 °C 21.88 °C What is the volume of the setup in L? The volume is 0.138 L

H CPBA 5 CO H₂ Pd/C 1. NaBH4 2. H3O+ Br NH3 :0 OH

Chemistry temp: 8C, density 0.800 g/ml based on this data, how many molecules are contained in 30ml of ethanol at 8C? (MM of ethanol is 46.08 g/mol) a.) 8.6 x 10^-25 molecules b.) 3.1 x 10^25 molecules c.) 4.9 x 10^23 molecules d.) 6.7 x 10^26 molecules

Examples Cl2 / CCI4 a. 33 Study Unit 7 Br2 / CC4 b.

The first image is the problem and the second image is alek data to slove the problem. I been having a hard time figuring out how to slove this problem.

2. The goal behind suction filtration is to remove soluble impurities that are on the surface of the crystals. Therefore, why can't you simply use suction filtration instead of recrystallization to purify an impure solid?

Paylben

solve by filling in blank spots as it asks please

LU eFu X NCH X E NCH X Ь Му х LU Oef x LU Oef x U Oef x LU Oef x LU Oef x W Oef x U 202 x n Oef x A Mic x A docs.google.com/forms/d/e/1FAlpQLSfSGcE8gf218c6JoHMWME1A8Nydf8M4g1yG93D-2LPpoMj_g/formResponse Figure 1 но. Lavostatin Question 2: What is the approximate size of the bond angle y in the compound in Figure 1? * 90° 109,5° 120° 180° None of these bond angles gives the approximate size of y. 08:57 P Type here to search 25°C Sunny 2021/11/19 O O O O O

101 Chem101 b Search results for 'Using the infor x B Brainly.com - For students. By stu X G Using the information in the tab + -> A app.101edu.co I Apps y! email b bartleby B Brainly.com - For st. = Google Docs M gmail O eagle adv H school email S canvas m Monthly | My Classes 101 Chem101 general E Reading list Question 19 of 44 Submit Using the information in the table, the rate law for the reaction A(g) + 3 B(g) → C(g) + 2 D(g) is Rate [A], (M) [B], (M) (M/s) A) Rate = k[A][B]³ 1.25 0.100 0.850 B) Rate = k[B] C) Rate = k[A][B] 1.25 0.300 2.55 D) Rate = k[A][B]² 3.75 0.200 5.10 2:47 PM P Type here to search 67°F Clear 7/19/2021 近

LU eFu X NCH X NCH X ь Му х LU Oef x LU Oef x U Oef x LU Oef x n Oef x U Oef x A 202 x Oef X h Mic x A docs.google.com/forms/d/e/1FAlpQLSfSGcE8gf218c6JoHMWME1A8Nydf8M4g1yG93D-2LPpoMij_g/formResponse Question 17: Which type of compound reacted to form the product in Figure 17 from benzene? * Ketone Aldehyde Acyl halide Haloalkane Carboxylic acid Figure 17 AICI, + 09:04 P Type here to search 25°C Sunny 2021/11/19

LU eFu X NCH X E NCH X Ь Му х LU Oef X U Oef X U Oef x LU Oef x LU Oef x LU Oef x n 202 x n Oef x Mic x A docs.google.com/forms/d/e/1FAlpQLSfSGcE8gf218c6JoHMWME1A8Nydf8M4g1yG93D-2LPpoMj_g/formResponse Question 1: The compound in Figure 1 can be obtained from the oyster mushroom. It is used to slow the production of cholesterol in the body. Which of the following functional groups are not present in this compound? * O Alcohol O Ether Ester Alkene O Carboxylic acid Figure 1 HO Lavostatin 08:56 P Type here to search 25°C Sunny 2021/11/19

there is more than one correct answer

LU eFu X NCH X NCH X ь Му х U Oef x U Oef x U Oef x LU Oef x U Oef x n Oef x A 202 x n Oef x A Mic X A docs.google.com/forms/d/e/1FAlpQLSfSGcE8gf218c6JoHMWME1A8Nydf8M4g1yG93D-2LPpoMij_g/formResponse Question 19: Which structure in Figure 19 is numbered correctly? * O A O B D O None of these haloalkanes are numbered correctly. Figure 19 A Br Br Br Br 09:06 P Type here to search 25°C Sunny 2021/11/19 O O