CFCs Ozone (03) Oxygen Molecules (02) Chlorine Monoxide (CIO) Free Oxygen Atoms (0) UV Radiation Volatile Organic Compounds Free chlorine atoms (CI) React with H Broken down by Forming producing Reacts with Forming
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- Findthemass%ofH2O2 inasolutionmadefrom36gofH2O2 and84gofH2O: A) 84% B) 36% C) 43% D) 30.% E) 70.%Landfills usually contain a large deposit of various organic material that degrade over time producing a plethora of secondary pollutants. These compounds are displaced by the action of leachate and eventual accumulate in the leachate pond. One such organic molecule is compound I drawn below: Degradation of the organic molecule in the leachate pond occurs by a combustion-type reaction consuming dissolved oxygen in the water. Write a balanced equation representing a complete combustion-type reaction for compound I using the formula assessed in part (c).-ELON TWEETED HOD * OWLV2 | Online teaching and I + UPDATES AVAILABLE akeAssignment/takeCovalentActivity.do?locator=assignment-take Do you want to restart to install these un or try tonight? [Review Topics] [References) 2req Use the References to access important values if needed for this question. A sample of hydrogen gas at a pressure of 810 mm Hg and a temperature of 42 °C, occupies a volume of 14.4 liters. If the gas is heated at constant pressure to a temperature of 76 °C, the volume of the gas sample will be L. 2req Submit Answer Retry Entire Group 9 more group attempts remaining Visited Next Previous
- The process whereby chemical treatment is used to temporarily prevent decomposition is most completely defined as: Disinfection Restoration Public health measures Preservation(Record your answer with rounded answer to proper significant digits and the proper units.) 1.How many moles of butane (C4H10(g)) were combusted in the presence of excess oxygen gas if 55.8 L of water vapour at STP is collected?Hint: Write a balanced chemical reaction equation first. 2.One of the steps to sweeten sour gas using the Claus process is reacting hydrogen sulfide gas with sulfur dioxide gas to produce water vapour and sulfur. 16H2S(g)+8SO2(g)----->16H2O(g)+3S8(s) 8.75 kL of hydrogen sulfide at 175 kPa and 250 °C reacts with excess sulfur dioxide. Calculate the mass, in kg, of sulfur produced.Suppose 295 g of NO3 flows into a swamp each day. What volume of N2 would be produced each day at 17.0°Cand 1.00 atm if the denitrification process were complete? Lof N2 Part 2 O See Hint Suppose 295 g of NOg flows into a swaimp each day. What volume of CO, would be produced each day at 17.0°C and 1.00 atm? Lof CO2 Part 3 O See Hint Suppose the gas mixture produced by the decomposition reaction is trapped in a container at 17.0°C: what is the density of the mixture assuming Peotal = 1.00 atm? g/L
- What volume of O2 at STP will be needed to burn 36.1 of B2H5 ? Use the following equation: B2H6 +3O2=2HBO2 +2H2O125 kg of coal contains about 7.0 % sulfur, by complete burning, the gases were circulated in a wet scrubber containing 25 kg of CaCO3 to convert SO2 evolved by complete burning to CaSO4. Is the amount of CaCO3 enough to absorb all SO2 or not? If not, how many molecules of SO2 will escape from the wet scrubber?Which of the following statements is/are incorrect? I. Glass containers can be used to handle hydrofluoric ... acid. II. Plastic containers are a preferred choice in trace metal studies due to non-leaching of inorganic species. II. Sealed glass containers are impermeable to atmospheric gases which prevents the contents from oxidative degradation IV. Plastic containers are not suitable for use with most organic solvents (A I and III only B Il only c) I only
- Which of the following are not allowed? State which rule is violated for any that are not allowed. (a) 1p3 (b) 2p8 (c) 3g11 (d) 4f2Assume that a single cylinder of an automobile engine hasa volume of 524 cm3. (a) If the cylinder is full of air at 74 °C and 0.980 atm, how many moles of O2 are present? (Themole fraction of O2 in dry air is 0.2095.) (b) How manygrams of C8H18 could be combusted by this quantity ofO2, assuming complete combustion with formation ofCO2 and H2O?Freon-12 (CF2Cl2), widely used as a refrigerant and aerosol propellant, is a dangerous airpollutant. In the troposphere, it traps heat 25 times as effectively as CO2, and in thestratosphere, it participates in the breakdown of ozone. Freon-12 is prepared industrially byreaction of gaseous carbon tetrachloride with hydrogen fluoride. Hydrogen chloride gasalso forms. How many grams of carbon tetrachloride are required for the production of16.0 dm3 of Freon-12 at 27°C and 1.20 atm?