1. Component Container Stretch Wrap Pallet Product Material Polypropylene Polystyrene Wood Ca(OCI)2 Weight (kg/pallet) 48 0.5 15-18 725 Based on the above table, answer the following questions. (a) Discuss the possibility of fire at the calcium hypochlorite Ca(OCI)2 storage warehouse. Include your assumption on how the fire could spread in the storage warehouse. (b) Recommend solutions to avoid fire occur at the storage warehouse. (10) (10) (Total / Jumlah: 20 )
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- s.com/course.html?courseld%3D15828855&HeplD353706194671Of71a192e43597b01c6e0#10301 Principles of Chemistry I (Chem 1107-327) signments <09 - Pre-Lab 9.11 Pre-Lab Methane burns in oxygen to produce CO2 and H2O. CH:(9) + 202(g)→2H»O(1) +CO2(g) Part A If 0.55 L of gaseous CH, is bumed at STP, what volume of O, is required for complete combustion? Hνα ΑΣφ Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining 40 DELL(a) What is the difference between chlorofluorocarbonsand hydrofluorocarbons? (b) Why are hydrofluorocarbonspotentially less harmful to the ozone layer than CFCs?PART3-1ABORATORY FQUIEMENT FQUIPMENTNAME FUNCTION To hold test tubes. Attaches to a retort stand to support glassware being heated. To pour liquid from a large container into a small container. To provide a flame during an experiment. To light the Bunsen burner. To attach test tubes to a retort stand. To clean substances out of a test tube. To hold a hot crucible or flask. To hold a hot test tube. To place on the lab bench to prevent burning or to use with ring clamp. To transfer small amounts of liquid. To grow bacteria or contain small experiments. To hold liquids. To measure liquids. To contain experiments (a stopper can be used to close the flask). To hold a hot beaker. To perform an experiment with a different substance in each well. To hold chemicals and perform experiments in. To scoop and transfer small amounts of substances. To stir during experiments that involve mixing or dissolving.
- Be sure to answer all parts. Hint Nitroglycerin (C3H;N3O9) is a powerful explosive. Its decomposition may be represented by Solution 4C3H5N3O9 → 6N2 + 12CO, + 10H,O + 02 Guided Solution This reaction generates a large amount of heat and gaseous products. It is the sudden formation of these gases, together with their rapid expansion, that produces the explosion. (a) What is the maximum amount of O, in grams that can be obtained from 5.50 × 102 g of nitroglycerin? (b) Calculate the percent yield in this reaction if the amount of O, generated is found to be 16.4 g. Next > < Prev 19 of 45 29°C Mostly clear e to searchTab Caps M Inbox (1,600)-fantil@udeledu X Mail- Francesca A Tantillo-Out X x ← C app.101edu.co < DA 。。 A 88°F ME Mostly sunny Fn Z 2 W S X 3 Alt E Silane, SiH, is a colorless, pyrophoric, toxic gas that is used to deposit elemental silicon for semiconductor and photovoltaic applications. D SiH. has 8 total valence electrons. Draw the Lewis structure for SiH, that minimizes the formal charges on all atoms. $ 4 EXP DOP #12: Geometry-CHM150xAktw Chemistry C R F Pll S % 5 T Question 18.d of 23 V G Click to draw a new structure 6 Y + B * H & 7 PrtScn 8 N Home UL U M ( 9 K K End na O POUP $11 0 L P Alt A PgDn A D 90% B 0 Update Submit 6:19 PM D X 7 Del Backss (The air in a recently used classroom 9m x 7m x 9m tested 0.12% carbon dioxide. How many cubic meters of fresh air must be admitted per minute in order that 10 minutes later it shall contain not over 0.06% carbon dioxide. Fresh air contains 0.04% carbon dioxide. Assumeimmediate mixing of fresh with stale air. (A) 14 (B) 11 (C) 15 (D) 19 (E) 17
- points A 0.1938 g of an organic compound known to contain C and H only was burned. The traps for H2O and CO₂ increased in mass by 0.2750 g and 0.5972 g. respectively. What is the percentage of carbon?The density of moist air (ideal gas mixture) at 20°C temperature and 700 mmHg pressure was found to be 1.1 g/lt. Calculate the partial pressure of water vapor in this air. Additional data: MA(H2O)18, MA (Air)29A metal sheet, 2 mm thick, has been exposed to nitrogen gas at 1473 K at the flux of 1.2 x 10-6 kg/m2-s. The higher-pressure side has a concentration of 4 kg/m3. How far, in mm, from the high- pressure side will the concentration be 1 kg/m3? Assume a constant of 6 x 10-10 m2/s. Don't include the unit in your answer.
- 16. The combustion of gasoline (octane) in a car engine can be represented by the following equation: 2C3H18(1) + 2502(g) a. What mass of oxygen is used up to burn a full tank of 36.00 kg of gasoline? Text --> 16CO2(g) +18H20(g) b. Why might a vehicle that is calibrated to run perfectly at sea level run poorly at higher elevations? Text Тext According to the Canadian Automobile Association, the average Canadian drives 20,000 km/yr. C. Assuming that distance, how many more kg of carbon dioxide are added to the atmosphere each year by a Toyota Tacoma (fuel economy of 12.8 L/100 km) than a Toyota Prius (4.52 L/100 km)? The density of gasoline is 0.719 kg/L.These organic solvents are used to clean compact discs:(a) If a 15.00-mL sample of CD cleaner weighs 11.775 g at 20C, which solvent is most likely to be present?(b) The chemist analyzing the cleaner calibrates her equipment and finds that the pipet is accurate to 0.02 mL, and the balance is accurate to 0.003 g. Is this equipment precise enough to dis-tinguish between ethanol and isopropanol?A sample containing a mixture of SrCl, · 6 H,0 (MW = 266.62 g/mol) and CSCI (MW = 168.36 g/mol) originally weighs 1.6017 g. Upon heating the sample to 320 °C, the waters of hydration are driven off SrCl, · 6 H,0, leaving the anhydrous SrCl,. After cooling the sample in a desiccator, it has a mass of 1.1433 g. Calculate the weight percent of Sr, Cs, and Cl in the original sample. 320 °C SrCl, · 6 H,0(s)- SrCl, (s) + 6 H,O(g) wt% Sr = wt% Cs = wt% CI =