13 Quizzes - FSS_202_100_2020SP Hazardous Materials Chemistry - Elgin Community College

Help me fill out the rest please.

Match the following heat treatment process: A-1,8-1,C-2,0-3 A-4, B-1,C2,D-3 A 2.B-3.C-4,D-1 A-1.0-2 C-3.04 Reset Answer Column I A-Annealing B-Malleablizing C-Snap Temper D-Cryogenic treatment Column II 1) Complete elimination of carbon 2) Prevent Cracking 3) Resistance to impact 4) Eliminate Residual stress

View History Bookmarks People Tab Window Help S, Amaya K - Outlo x B Chapter 5- CHEM-1110-941- x Question 20 - Chapter 5- Con x education.com/ext/map/index.html?_con%3con&external_browser%3D0&launchUrl=https%253A%252F%252Flms Saved 3 attempts left Check my work Enter your answer in the provided box. It takes 155 s for an unknown gas to effuse through a porous wall and 97 s for the same volume of N2 gas to effuse at the same temperature and pressure. What is the molar mass of the unknown gas? g/mol ... 115 MAR 1664 18 ottv A

Activity 1-1 part 3

Activity 3 Evidences of Chemical Change Objective: Identify signs that chemical changes are taking place. Write down the evidences which prove that the chemical change occurs in each process. You can use Google or YouTube to search for the possible results of the given chemical system. Chemical System 1. Decaying of food. Evidence of Chemical Change 2. A silver spoon tarnishes. 3. An iron nail rusts. 4. Cooking of adobo. 5. Lithium in cell phone battery 6. Coconut water turning sour. 7. Pineapple juice ferments. 8. Ripening of green mango. 9. Liquid milk is added to vinegar in a glass. 10.A firecracker explodes. 7

Please help

For this question: How SPF blocks UV rays from the Sun Please answers it Try to answer it in a presentation way please Please please please answer as fast as possible please

older. Or import from another browser. Import favorites [Review Topics] [References] Some fuel-efficient hybrid cars are rated at 55.0 miles per gallon of gasoline. Calculate the energy used to drive 9.00 miles if gasoline produces 48.0 kJ/g and the density of gasoline is 0.737 g/cm. (1.00 gal = 3.785 L) Energy = kJ %3D Submit Answer Retry Entire Group 3 more group attempts remaining 640 PM

Name (please print): Fall 2022 Basic Laboratory Operations Post Lab Questions 1.) Suppose you're attempting to measure the density of a liquid that is highly volatile (it evaporates quickly). If you first measure the mass and then several minutes later you measure the volume of the liquid will the measured density be higher than the true value, lower than the true value, or the true density of the liquid. [It helps to understand this problem with the density equation.] 2.) Suppose you're attempting to measure the density of a liquid that is highly volatile (it evaporates quickly). If you first measure the volume and then several minutes later you measure the mass of the liquid will the measured density be higher than the true value, lower than the true value, or the true density of the liquid. [It helps to understand this problem with the density equation.] 3.) You're attempting to calculate the density of an alloy. The alloy is in the shape of a cylinder. If the mass of the alloy is…

Remaining Time: 42 minutes, 23 seconds. ✓ Question Completion Status: What is the skeletal formula, for the aldehyde or ketone formed when the following alcohol is oxidized [O]. If no reaction, write none. OA 08. OH OC. OD. 0 C-H [0] C-OH Click Save and Submit to save and submit. Click Save All Answers to save all answers. Betalin

I need your help plz

solve very very fast in 15 min | I need a clear answer by hand, not by keyboard

Experiment 605_Hydrates_1_2_1 (1) (Protected View) - Word (Unlicensed Product) ces Mailings Review View Help Foxit PDF Tell me what you want to do contain viruses. Unless you need to edit, it's safer to stay in Protected View. Enable Editing ir Office product is inactive. To use for free, sign in and use the Web version. Post-lab Questions Activate Use free at Office.cc 1. Calculate the mass percent of water for the hydrate, LINO,-3H;O. 2. What will be the probable effect if you kept the crucible completely covered during the entire heating and cooling processes? Would your calculated percent water in the hydrate be high, low, or unaffected? Explain. 3. If 2.752 g sample of Ca(NO:); XH;O is heated to constant mass, the residue weighs 1.941 g. Determine the value of x and the formula of the hydrate.

i)16O and 18O are two different isotopes of oxygen. What is  ONE IS TRUE about 18O? it less easily evaporated than 16O it is more volatile and reactive than 16O it is lighter than 16O it is more commonly occurring than 16O II) Ice core samples taken from Antarctica have been used to estimate changes in surface temperatures and the atmospheric concentrations of carbon dioxide and methane. This data indicates that when the temperature is relatively warm, the amounts of carbon dioxide and methane are ___________ Select one: relatively low (negative correlation) sometimes high, sometimes low (no correlation) relatively high (positive correlation) III) The answer to the previous above question indicates that ___________ . Select one: high atmospheric concentrations of carbon dioxide and methane might lead to warmer temperatures high atmospheric concentrations of carbon dioxide and methane might lead to cooler temperatures there is no…

Exit Fullscreen For this assignment, you are required to conduct research on one of the following energy sources within Canada: • Fossil fuels • Nuclear energy • Biofuels • Wind energy • Solar energy You will research how the energy is extracted or produced, and provide details about the chemical process (stating equations and reactions). Your work must also include a comment on the impact your chosen energy source has on the environment and society. This assignment is worth 15% of your course grade. Instructions Assignment components Ensure your assignment includes the following pieces of information relevant to your chosen energy source: • The name of your chosen energy source and a brief description of what types of compounds are used in the production process • Details about the chemical process, stating balanced equations and reactions • A calculation of bond dissociation energy for the reaction, accompanied by an explanation of what the value indicates • An analysis of the impact…

Please explain with typed answer and correct answer, no copy paste

Experiment Initial Initial Initial rate/ concentration concentration mol dm-3 s-1 of A/mol dm-3 of B/mol dm-3 1 0.16 0.20 5.0 x 10-5 2 0.24 0.20 7.5 × 10-5 3 0.32 0.10 10.0 x 10-5 4 0.12 0.16 Determine value of X. Select one: O a. 2.50 x 10-5 O b. 3.00 x 10-5 О с. 3.75 х 10-5 O d. 4.00 x 10-5

Subject environmental engineering solve question 11

Help please.

Pls help ASAP and pls show all steps. PLS ASAP

7. You can see an MSDS below. Please answer the following questions related to the MSDS. a) What is the name of this chemical? b) What should you do if someone drinks the chemical? c) Would this chemical catch on fire if it was exposed to flames? d) If this chemical gets in your eye what should you do? e) What color is this chemical? f) What should you do if someone spills a small amount of the chemical?

tion 12 - Chapter 10 Home X ezto.mheducation.com/ext/map/index.html?_con=con&external_browser=0&launchUrl=https%253A%252F%252Fclasses.alaska.edu%252Fwebapps%252Fport ter 10 Homework i 2 ts Skipped eBook Hint Print References + Mc Graw Hill NH4NO3 → (Click to select) N20 + Balance the chemical equation. Note that you must select "1" if that is the correct coefficient, though the "1" is not typically written in a balanced equation, but is implied. (Click to select) NH4NO3 5 2 1 JUL 11 Saved (Click to select) H20 AN 1 átv Help A S

Trial 1 2 3 4 [BrO3-] (M) 0.1 0.2 0.2 0.1 [Br-] (M) 0.1 0.1 0.2 0.1 1, 1 and 1 respectively 2, 1 and 0 respectively 1, 1, 2 respectively 1, 2 and 1 respectively none of the above 1 [H+] (M) 0.1 0.1 0.1 0.2 Initial Rate (M/s) 8.0x10^-4 What are the orders with respect to BrO3. Br. Ht respectively? 1.6x10^-3 3.2x10^-3 3.2x10^-3

LAB task can u explain how to do this or can u try to find some info online do