Concentration of CFCS in the Atmosphere 260 240 220 200 180 160 1995 140 1985 120 1977 1979 Year 1993 1991 1989 1987 1983 CFC-11 (ppt) 1981

Q: 4. In Beer's law (A = abc), what corresponds to y, m, x, and b in the equation of a line (y = mx +…

A: Beer's Law gives the relationship between absorption of light and concentration of absorbing…

Q: If the atmospheric burden of CO2 increases by 27.0 Gt (gigatonnes, 1Gt= 1 x 1012kg) over a given…

A: Given:  Current CO2 concentration = 408.3 ppm Increase in CO2 atmospheric burden = 27 GT = 27 x 1012…

Q: If 3.50 g sample of acetylene (C2H2) is burned in excess oxygen, how many liters of CO2(g) can be…

A: Given: Mass of the acetylene sample= 3.50 g Pressure = 1.00 atm Temperature= 0°C=0+273.15 K=273.15 K…

Q: An environmental scientist obtained the following replicate concentration measurements of methane…

A:

Q: 19. When 0.75 moles chromium(III) oxide reacts with 2.5 moles hydrogen sulfide (H2S) gas,…

A:

Q: There are 2.60   x 1015 short tons of oxygen in the atmosphere (1 short ton 5 2000 lb). How many…

A: Consider the given information is as follows; Mass of oxygen in the atmosphere= 2.60×1015 short…

Q: The average kinetic energy of the molecules in a gas sample depends only on the temperature, ?.…

A: Root mean square speed is calculated as: vrms =3 R TM where T= Temperature R = Universal Gas…

Q: Calculate the mass of the greenhouse gas, carbon dioxide (CO2) that you release into the atmosphere…

A: Given :- volume of tank containing octane = 60 L  Density of octane = 0.702 g/mL  To calculate :-…

Q: How many moles of O2 are needed to burn 1.45 mol of C8H18? Express the amount in moles to three…

A: The combustion of octane is given as

Q: The equation shown represents a gas-producing reaction. 2 KNO3 ->> 2 KNO₂ + 0₂ After 3.75 grams of…

A:

Q: Ammonia is produced industrially by reacting N2 with H2 at elevated pressure and temperature in the…

A:

Q: A lecture hall contains 12 rows of seats. If the professor releases laughing gas (N2O) from the…

A:

Q: 2C2H6 + 7O2 = 4CO2 + 6H2O 7. If we instead had the combustion of acetone, C3H6O, how many grams of…

A: (7) The combustion of acetone is,

Q: Propane (C3H8) reacts with air to form carbon dioxide (CO2) and water vapor. Write the balanced…

A: Combustion of propane.

Q: How can I convert 500 tons/day of NO2 emissions to moles per second

A: The molar mass of Nitrogen (N) is 14.01 grams per mole. The molar mass of Oxygen (O) is 16.00 grams…

Q: On January 28, 2014, in Germany, a barn containing 90 cows exploded when a stray spark caught the…

A: We know, the following conversion 1day=24hour 1mole=22.4L 1mol water=18g For the second question, we…

Q: A cylinder with a movable piston contains 2.00 gg of helium, HeHe, at room temperature. More helium…

A: According to the Avogadro rule, the volume of the gas depends on the number of moles of the gas. At…

Q: 6. At 100°C and 16.0 kPa, the mass density of phosphorus vapor is 0.6388 kg/m³. What is the…

A:

Q: Zn(s) + 2 HCl(aq) → ZnCl₂ + H₂(g) Assume that 194.4 grams of Zn was used in this reaction. To…

A: Number of moles can be calculated by dividing mass by molar mass. Number of moles = Mass / Molar…

Q: Using stoichiometry, you calculate that you will create 0.43 moles of carbon dioxide when you react…

A: The explanation is given below-

Q: A gas is formed in the reaction shown below. The gas laws can help determine the volume of gas…

A: ZnS+2HCLaq→Zn CL2+H2 g145.4gFirst , we find the number of moles of Znn° of moles=given molesmolar…

Q: A cylinder with a movable piston contains 2.00 gg of helium, HeHe, at room temperature. More helium…

A: mass of He = 2.00 g  atomic mass of He = 4.00 g/mol  mole of He = n1 = 2.00 g /4.00 g/mol = 0.5 mol…

Q: a) Theoretically speaking, if we fully combust 3.0 kg of octane, and keep the products at STP, what…

A: (a) Octane combustion:                2 C8H18 (l) + 25 O2 (g) ⇔ 16 CO2 (g) + 18 H20 (l)…

Q: A gas is formed in the reaction shown below. The gas laws can help determine the volume of gas…

A: For the reaction; Zn(s) + 2 HCl(aq) → ZnCl₂ + H₂(g)  1 mol   2 mol           1 mol     1 mol Mass of…

Q: If three oxygen particles are needed to form ozone, how many units of ozone could be formed from 6…

A: The units of ozone that could be formed from 6 oxygen particles, 9 oxygen particles, and 27 oxygen…

Q: 6. A fire extinguisher contains 2.27 Kg of pressurized carbon dioxide. At 25.0°C, the volume of the…

A:

Q: A package of freshly picked peas weighed 454g (1lb. ). The peas were freeze dried and the recovered…

A: Since the freshly picked peas are dried this shows that they are dehydrated . Dehydration is the…

Q: It’s a bad day in the lab!  Two students are doing experiments.  Each is 20 feet away from the…

A:

Q: Refer to this equation: 2NaMnO4(aq) + H2O2(aq) + 3H2SO4(aq)  →  2MnSO4(aq)  + Na2SO4(aq)  + 3O2(g) +…

A: The given reaction is : 2NaMnO4(aq) + H2O2(aq) + 3H2SO4(aq)  →  2MnSO4(aq)  + Na2SO4(aq)  + 3O2(g) +…

Q: Consider the following equation, which represents the combustion of hydrogen sulfide.…

A:

Q: The production capacity for acrylonitrile (C3H3N) in the United States is over 2 billion pounds per…

A: A numerical problem based on mole concept. A balanced equation and the mass of the reactant involved…

Q: Q: Suppose a helium gas cylinder survived the fire and had the pressure valve replaced. Now it reads…

A: For a constant volume and temperature, the pressure of a gas is directly proportional to its number…

Q: Ethylene burns in oxygen to form carbon dioxide and water vapor at the same temperature and pressure…

A: The question is based on concept of ideal gas. we have been given volume of ethylene consumed. we…

Q: What is reservior in environmental chemistry? What are O1D (O singlet D) and O3P( O priplet P)? Not…

A: As follows.

Q: 14. What is the total volume of gas produced by the action of heat on 1 g of silver nitrate? 211.9…

A: Mass of silver nitrate  = 1 gramChemical equation:

Q: It takes 3.500 in³ of mercury to make one manometer. Find the price of the mercury used to make 19…

A: As you have not provided the cost for Mercury , So here I will be taking a sample cost of 100 to…

Q: Suppose you are brewing beer, and you want to estimate how long it will take to complete the…

A: To estimate the time it will take for the fermentation process to complete, we need to consider the…

Q: If you combust 364 liters of methane, CH4, in insufficient oxygen.  How many liters of carbon…

A: The balanced reaction taking place is  2 CH4 (g) + 3 O2 (g) → 2 CO (g) + 4 H2O (g) Given : volume of…

Q: A gas is formed in the reaction shown below. The gas laws can help determine the volume of gas…

A: For the reaction:  Zn(s) + 2 HCl(aq) → ZnCl₂ + H₂ 1 mol   2 mol          1 mol     1 mol Mass of Zn…

Q: How many moles of oxygen are consumed in burning 1.6 moles of Benzene, C6H6?

A:

Q: Calculate the amount of CO2 emitted in jordan from gasolene ( C8H17) powered vehicles Assume the…

A:

Q: A Moving to another question will save this response. Question 26 SHOW WORK Given the following…

A:

Q: A student completes the experiment The Universal Gas Constant and obtains the following data for one…

A: Given, Mass of Mg =0.0326 g Molar mass of Mg = 24.305 g/mol Temperature of H2=21.3 oC Atmospheric…

Q: 3. A neon sign is constructed of a cylindrical glass tube with an inner diameter of 12.5 mm and a…

A: Answer:Here:

Q: D Which statement best describes the kinetic molecular theory? A The kinetic molecular theory…

A: To solve this problem we have to know about kinetic molecular theory .